--- /dev/null
+<!--
+ ============LICENSE_START=======================================================
+ Copyright (C) 2018 Ericsson. All rights reserved.
+ ================================================================================
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+ SPDX-License-Identifier: Apache-2.0
+ ============LICENSE_END=========================================================
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.onap.policy.apex-pdp.plugins.plugins-executor</groupId>
+ <artifactId>plugins-executor</artifactId>
+ <version>2.0.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>plugins-executor-java</artifactId>
+ <name>${project.artifactId}</name>
+ <description>[${project.parent.artifactId}] Plugin for execution of Java logic in Apex</description>
+
+ <properties>
+ <apex-plugins-executor-java-dir>${project.basedir}/src</apex-plugins-executor-java-dir>
+ </properties>
+</project>
\ No newline at end of file
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.executor.java;
+
+import org.onap.policy.apex.core.engine.ExecutorParameters;
+
+/**
+ * This class provides executor parameters for the Java Executor plugin. It specifies the classes that provide the Java
+ * implementations of the abstract classes {@link org.onap.policy.apex.core.engine.executor.TaskExecutor},
+ * {@link org.onap.policy.apex.core.engine.executor.TaskSelectExecutor}, and
+ * {@link org.onap.policy.apex.core.engine.executor.StateFinalizerExecutor}.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class JavaExecutorParameters extends ExecutorParameters {
+ /**
+ * Constructor that sets the abstract implementation classes.
+ */
+ public JavaExecutorParameters() {
+ this.setTaskExecutorPluginClass(JavaTaskExecutor.class.getCanonicalName());
+ this.setTaskSelectionExecutorPluginClass(JavaTaskSelectExecutor.class.getCanonicalName());
+ this.setStateFinalizerExecutorPluginClass(JavaStateFinalizerExecutor.class.getCanonicalName());
+ }
+}
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.executor.java;
+
+import java.lang.reflect.Method;
+import java.util.Map;
+
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.core.engine.executor.StateFinalizerExecutor;
+import org.onap.policy.apex.core.engine.executor.context.StateFinalizerExecutionContext;
+import org.onap.policy.apex.core.engine.executor.exception.StateMachineException;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * The Class JavaStateFinalizerExecutor is the state finalizer executor for state finalizer logic written in Java.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class JavaStateFinalizerExecutor extends StateFinalizerExecutor {
+ // Logger for this class
+ private static final XLogger LOGGER = XLoggerFactory.getXLogger(JavaStateFinalizerExecutor.class);
+
+ // The Java State Finalizer executor class
+ private Object stateFinalizerLogicObject = null;
+
+ /**
+ * Prepares the state finalizer for processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void prepare() throws StateMachineException {
+ // Call generic prepare logic
+ super.prepare();
+
+ // Get the class for state finalizer execution
+ try {
+ // Create the state finalizer logic object from the byte code of the class
+ stateFinalizerLogicObject = Class.forName(getSubject().getLogic()).newInstance();
+ } catch (final Exception e) {
+ LOGGER.error("instantiation error on Java class \"" + getSubject().getLogic() + "\"", e);
+ throw new StateMachineException("instantiation error on Java class \"" + getSubject().getLogic() + "\"", e);
+ }
+ }
+
+ /**
+ * Executes the executor for the state finalizer logic in a sequential manner.
+ *
+ * @param executionID the execution ID for the current APEX policy execution
+ * @param incomingFields the incoming fields for finalisation
+ * @return The state output for the state
+ * @throws StateMachineException on an execution error
+ * @throws ContextException on context errors
+ */
+ @Override
+ public String execute(final long executionID, final Map<String, Object> incomingFields)
+ throws StateMachineException, ContextException {
+ // Do execution pre work
+ executePre(executionID, incomingFields);
+
+ // Check and execute the Java logic
+ boolean returnValue = false;
+ try {
+ // Find and call the method with the signature "public boolean getStateOutput(final
+ // StateFinalizerExecutionContext executor) throws ApexException"
+ // to invoke the
+ // task logic in the Java class
+ final Method method = stateFinalizerLogicObject.getClass().getDeclaredMethod("getStateOutput",
+ new Class[] { StateFinalizerExecutionContext.class });
+ returnValue = (boolean) method.invoke(stateFinalizerLogicObject, getExecutionContext());
+ } catch (final Exception e) {
+ LOGGER.error("execute: state finalizer logic failed to run for state finalizer \"" + getSubject().getID()
+ + "\"");
+ throw new StateMachineException(
+ "state finalizer logic failed to run for state finalizer \"" + getSubject().getID() + "\"", e);
+ }
+
+ // Do the execution post work
+ executePost(returnValue);
+
+ // Send back the return event
+ if (returnValue) {
+ return getOutgoing();
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Cleans up the state finalizer after processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void cleanUp() throws StateMachineException {
+ LOGGER.debug("cleanUp:" + getSubject().getID() + "," + getSubject().getLogicFlavour() + ","
+ + getSubject().getLogic());
+ }
+}
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.executor.java;
+
+import java.lang.reflect.Method;
+import java.util.Map;
+
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.core.engine.executor.TaskExecutor;
+import org.onap.policy.apex.core.engine.executor.context.TaskExecutionContext;
+import org.onap.policy.apex.core.engine.executor.exception.StateMachineException;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * The Class JavaTaskExecutor is the task executor for task logic written in Java.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class JavaTaskExecutor extends TaskExecutor {
+ // Logger for this class
+ private static final XLogger LOGGER = XLoggerFactory.getXLogger(JavaTaskExecutor.class);
+
+ // The Java Task executor class
+ private Object taskLogicObject = null;
+
+ /**
+ * Prepares the task for processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void prepare() throws StateMachineException {
+ // Call generic prepare logic
+ super.prepare();
+
+ // Get the class for task execution
+ try {
+ // Create the task logic object from the byte code of the class
+ taskLogicObject = Class.forName(getSubject().getTaskLogic().getLogic()).newInstance();
+ } catch (final Exception e) {
+ LOGGER.error("instantiation error on Java class \"" + getSubject().getTaskLogic().getLogic() + "\"", e);
+ throw new StateMachineException(
+ "instantiation error on Java class \"" + getSubject().getTaskLogic().getLogic() + "\"", e);
+ }
+ }
+
+ /**
+ * Executes the executor for the task in a sequential manner.
+ *
+ * @param executionID the execution ID for the current APEX policy execution
+ * @param incomingFields the incoming fields
+ * @return The outgoing fields
+ * @throws StateMachineException on an execution error
+ * @throws ContextException on context errors
+ */
+ @Override
+ public Map<String, Object> execute(final long executionID, final Map<String, Object> incomingFields)
+ throws StateMachineException, ContextException {
+ // Do execution pre work
+ executePre(executionID, incomingFields);
+
+ // Check and execute the Java logic
+ boolean returnValue = false;
+ try {
+ // Find and call the method with the signature "public boolean getEvent(final TaskExecutionContext executor)
+ // throws ApexException" to invoke the
+ // task logic in the Java class
+ final Method method = taskLogicObject.getClass().getDeclaredMethod("getEvent",
+ new Class[] { TaskExecutionContext.class });
+ returnValue = (boolean) method.invoke(taskLogicObject, getExecutionContext());
+ } catch (final Exception e) {
+ LOGGER.error("execute: task logic failed to run for task \"" + getSubject().getKey().getID() + "\"");
+ throw new StateMachineException(
+ "task logic failed to run for task \"" + getSubject().getKey().getID() + "\"", e);
+ }
+
+ // Do the execution post work
+ executePost(returnValue);
+
+ // Send back the return event
+ if (returnValue) {
+ return getOutgoing();
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Cleans up the task after processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void cleanUp() throws StateMachineException {
+ LOGGER.debug("cleanUp:" + getSubject().getKey().getID() + "," + getSubject().getTaskLogic().getLogicFlavour()
+ + "," + getSubject().getTaskLogic().getLogic());
+ }
+}
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.executor.java;
+
+import java.lang.reflect.Method;
+
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.core.engine.event.EnEvent;
+import org.onap.policy.apex.core.engine.executor.TaskSelectExecutor;
+import org.onap.policy.apex.core.engine.executor.context.TaskSelectionExecutionContext;
+import org.onap.policy.apex.core.engine.executor.exception.StateMachineException;
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * The Class JavaTaskSelectExecutor is the task selection executor for task selection logic written in Java.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class JavaTaskSelectExecutor extends TaskSelectExecutor {
+ // Logger for this class
+ private static final XLogger LOGGER = XLoggerFactory.getXLogger(JavaTaskSelectExecutor.class);
+
+ // The Java Task Selection executor class
+ private Object taskSelectionLogicObject = null;
+
+ /**
+ * Prepares the task for processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void prepare() throws StateMachineException {
+ // Call generic prepare logic
+ super.prepare();
+
+ // Get the class for task selection
+ try {
+ // Create the task logic object from the byte code of the class
+ taskSelectionLogicObject = Class.forName(getSubject().getTaskSelectionLogic().getLogic()).newInstance();
+ } catch (final Exception e) {
+ LOGGER.error("instantiation error on Java class" + taskSelectionLogicObject, e);
+ throw new StateMachineException("instantiation error on Java class" + taskSelectionLogicObject, e);
+ }
+ }
+
+ /**
+ * Executes the executor for the task in a sequential manner.
+ *
+ * @param executionID the execution ID for the current APEX policy execution
+ * @param incomingEvent the incoming event
+ * @return The outgoing event
+ * @throws StateMachineException on an execution error
+ * @throws ContextException on context errors
+ */
+ @Override
+ public AxArtifactKey execute(final long executionID, final EnEvent incomingEvent)
+ throws StateMachineException, ContextException {
+ // Do execution pre work
+ executePre(executionID, incomingEvent);
+
+ // Check and execute the Java logic
+ boolean returnValue = false;
+ try {
+ // Find and call the method with the signature "public boolean getTask(final TaskSelectionExecutionContext
+ // executor)" to invoke the task selection
+ // logic in the Java class
+ final Method method = taskSelectionLogicObject.getClass().getDeclaredMethod("getTask",
+ new Class[] { TaskSelectionExecutionContext.class });
+ returnValue = (boolean) method.invoke(taskSelectionLogicObject, getExecutionContext());
+ } catch (final Exception e) {
+ LOGGER.error(
+ "execute: task selection logic failed to run for state \"" + getSubject().getKey().getID() + "\"",
+ e);
+ throw new StateMachineException(
+ "task selection logic failed to run for state \"" + getSubject().getKey().getID() + "\"", e);
+ }
+
+ // Do the execution post work
+ executePost(returnValue);
+
+ // Send back the return event
+ if (returnValue) {
+ return getOutgoing();
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Cleans up the task after processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void cleanUp() throws StateMachineException {
+ LOGGER.debug("cleanUp:" + getSubject().getKey().getID() + ","
+ + getSubject().getTaskSelectionLogic().getLogicFlavour() + ","
+ + getSubject().getTaskSelectionLogic().getLogic());
+ }
+}
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+/**
+ * Implements the Java executor plugin for Apex, providing extensions of the abstract classes
+ * {@link org.onap.policy.apex.core.engine.executor.TaskExecutor},
+ * {@link org.onap.policy.apex.core.engine.executor.TaskSelectExecutor}, and
+ * {@link org.onap.policy.apex.core.engine.executor.StateFinalizerExecutor}.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+
+package org.onap.policy.apex.plugins.executor.java;
--- /dev/null
+<!--
+ ============LICENSE_START=======================================================
+ Copyright (C) 2018 Ericsson. All rights reserved.
+ ================================================================================
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+ SPDX-License-Identifier: Apache-2.0
+ ============LICENSE_END=========================================================
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.onap.policy.apex-pdp.plugins.plugins-executor</groupId>
+ <artifactId>plugins-executor</artifactId>
+ <version>2.0.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>plugins-executor-javascript</artifactId>
+ <name>${project.artifactId}</name>
+ <description>[${project.parent.artifactId}] Plugin for execution of Javascript logic in Apex</description>
+
+ <properties>
+ <apex-plugins-executor-javascript-dir>${project.basedir}/src</apex-plugins-executor-javascript-dir>
+ </properties>
+</project>
\ No newline at end of file
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.executor.javascript;
+
+import org.onap.policy.apex.core.engine.ExecutorParameters;
+
+/**
+ * This class provides executor parameters for the Javascipt Executor plugin. It specifies the classes that provide the
+ * Javascript implementations of the abstract classes {@link org.onap.policy.apex.core.engine.executor.TaskExecutor},
+ * {@link org.onap.policy.apex.core.engine.executor.TaskSelectExecutor}, and
+ * {@link org.onap.policy.apex.core.engine.executor.StateFinalizerExecutor}.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class JavascriptExecutorParameters extends ExecutorParameters {
+ /**
+ * Constructor that sets the abstract implementation classes.
+ */
+ public JavascriptExecutorParameters() {
+ this.setTaskExecutorPluginClass(JavascriptTaskExecutor.class.getCanonicalName());
+ this.setTaskSelectionExecutorPluginClass(JavascriptTaskSelectExecutor.class.getCanonicalName());
+ this.setStateFinalizerExecutorPluginClass(JavascriptStateFinalizerExecutor.class.getCanonicalName());
+ }
+}
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.executor.javascript;
+
+import java.util.Map;
+
+import javax.script.Compilable;
+import javax.script.CompiledScript;
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
+import javax.script.ScriptException;
+
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.core.engine.executor.StateFinalizerExecutor;
+import org.onap.policy.apex.core.engine.executor.exception.StateMachineException;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * The Class JavascriptStateFinalizerExecutor is the state finalizer executor for state finalizer logic written in
+ * Javascript It is unlikely that this is thread safe.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class JavascriptStateFinalizerExecutor extends StateFinalizerExecutor {
+ // Logger for this class
+ private static final XLogger LOGGER = XLoggerFactory.getXLogger(JavascriptStateFinalizerExecutor.class);
+
+ // Javascript engine
+ private ScriptEngine engine = new ScriptEngineManager().getEngineByName("JavaScript");
+ private CompiledScript compiled = null;
+
+ /**
+ * Prepares the state finalizer for processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void prepare() throws StateMachineException {
+ // Call generic prepare logic
+ super.prepare();
+ try {
+ compiled = ((Compilable) engine).compile(getSubject().getLogic());
+ } catch (final ScriptException e) {
+ LOGGER.error("execute: state finalizer logic failed to compile for state finalizer \""
+ + getSubject().getKey().getID() + "\"");
+ throw new StateMachineException("state finalizer logic failed to compile for state finalizer \""
+ + getSubject().getKey().getID() + "\"", e);
+ }
+ }
+
+ /**
+ * Executes the executor for the state finalizer logic in a sequential manner.
+ *
+ * @param executionID the execution ID for the current APEX policy execution
+ * @param incomingFields the incoming fields for finalisation
+ * @return The state output for the state
+ * @throws StateMachineException on an execution error
+ * @throws ContextException on context errors
+ */
+ @Override
+ public String execute(final long executionID, final Map<String, Object> incomingFields)
+ throws StateMachineException, ContextException {
+ // Do execution pre work
+ executePre(executionID, incomingFields);
+
+ // Set up the Javascript engine
+ engine.put("executor", getExecutionContext());
+
+ // Check and execute the Javascript logic
+ boolean returnValue = false;
+ try {
+ if (compiled == null) {
+ engine.eval(getSubject().getLogic());
+ } else {
+ compiled.eval(engine.getContext());
+ }
+ } catch (final ScriptException e) {
+ LOGGER.error("execute: state finalizer logic failed to run for state finalizer \""
+ + getSubject().getKey().getID() + "\"");
+ throw new StateMachineException("state finalizer logic failed to run for state finalizer \""
+ + getSubject().getKey().getID() + "\"", e);
+ }
+
+ returnValue = (boolean) engine.get("returnValue");
+
+ // Do the execution post work
+ executePost(returnValue);
+
+ // Send back the return event
+ if (returnValue) {
+ return getOutgoing();
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Cleans up the state finalizer after processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void cleanUp() throws StateMachineException {
+ LOGGER.debug("cleanUp:" + getSubject().getKey().getID() + "," + getSubject().getLogicFlavour() + ","
+ + getSubject().getLogic());
+ engine = null;
+ }
+}
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.executor.javascript;
+
+import java.util.Map;
+
+import javax.script.Compilable;
+import javax.script.CompiledScript;
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
+import javax.script.ScriptException;
+
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.core.engine.executor.TaskExecutor;
+import org.onap.policy.apex.core.engine.executor.exception.StateMachineException;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * The Class JavascriptTaskExecutor is the task executor for task logic written in Javascript It is unlikely that this
+ * is thread safe.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class JavascriptTaskExecutor extends TaskExecutor {
+ // Logger for this class
+ private static final XLogger LOGGER = XLoggerFactory.getXLogger(JavascriptTaskExecutor.class);
+
+ // Javascript engine
+ private ScriptEngine engine = new ScriptEngineManager().getEngineByName("JavaScript");
+ private CompiledScript compiled = null;
+
+ /**
+ * Prepares the task for processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void prepare() throws StateMachineException {
+ // Call generic prepare logic
+ super.prepare();
+ try {
+ compiled = ((Compilable) engine).compile(getSubject().getTaskLogic().getLogic());
+ } catch (final ScriptException e) {
+ LOGGER.error("execute: task logic failed to compile for task \"" + getSubject().getKey().getID() + "\"");
+ throw new StateMachineException(
+ "task logic failed to compile for task \"" + getSubject().getKey().getID() + "\"", e);
+ }
+ }
+
+ /**
+ * Executes the executor for the task in a sequential manner.
+ *
+ * @param executionID the execution ID for the current APEX policy execution
+ * @param incomingFields the incoming fields
+ * @return The outgoing fields
+ * @throws StateMachineException on an execution error
+ * @throws ContextException on context errors
+ */
+ @Override
+ public Map<String, Object> execute(final long executionID, final Map<String, Object> incomingFields)
+ throws StateMachineException, ContextException {
+ // Do execution pre work
+ executePre(executionID, incomingFields);
+
+ // Set up the Javascript engine
+ engine.put("executor", getExecutionContext());
+
+ // Check and execute the Javascript logic
+ boolean returnValue = false;
+ try {
+ if (compiled == null) {
+ engine.eval(getSubject().getTaskLogic().getLogic());
+ } else {
+ compiled.eval(engine.getContext());
+ }
+ } catch (final ScriptException e) {
+ LOGGER.error("execute: task logic failed to run for task \"" + getSubject().getKey().getID() + "\"");
+ throw new StateMachineException(
+ "task logic failed to run for task \"" + getSubject().getKey().getID() + "\"", e);
+ }
+
+ try {
+ final Object ret = engine.get("returnValue");
+ if (ret == null) {
+ LOGGER.error("execute: task logic failed to set a return value for task \""
+ + getSubject().getKey().getID() + "\"");
+ throw new StateMachineException("execute: task logic failed to set a return value for task \""
+ + getSubject().getKey().getID() + "\"");
+ }
+ returnValue = (Boolean) ret;
+ } catch (NullPointerException | ClassCastException e) {
+ LOGGER.error("execute: task selection logic failed to set a correct return value for state \""
+ + getSubject().getKey().getID() + "\"", e);
+ throw new StateMachineException("execute: task selection logic failed to set a return value for state \""
+ + getSubject().getKey().getID() + "\"", e);
+ }
+
+ // Do the execution post work
+ executePost(returnValue);
+
+ // Send back the return event
+ if (returnValue) {
+ return getOutgoing();
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Cleans up the task after processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void cleanUp() throws StateMachineException {
+ LOGGER.debug("cleanUp:" + getSubject().getKey().getID() + "," + getSubject().getTaskLogic().getLogicFlavour()
+ + "," + getSubject().getTaskLogic().getLogic());
+ engine = null;
+ }
+}
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.executor.javascript;
+
+import javax.script.Compilable;
+import javax.script.CompiledScript;
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
+import javax.script.ScriptException;
+
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.core.engine.event.EnEvent;
+import org.onap.policy.apex.core.engine.executor.TaskSelectExecutor;
+import org.onap.policy.apex.core.engine.executor.exception.StateMachineException;
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * The Class JavascriptTaskSelectExecutor is the task selection executor for task selection logic written in Javascript
+ * It is unlikely that this is thread safe.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class JavascriptTaskSelectExecutor extends TaskSelectExecutor {
+ // Logger for this class
+ private static final XLogger LOGGER = XLoggerFactory.getXLogger(JavascriptTaskSelectExecutor.class);
+
+ // Javascript engine
+ private ScriptEngine engine = new ScriptEngineManager().getEngineByName("JavaScript");
+ private CompiledScript compiled = null;
+
+ /**
+ * Prepares the task for processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void prepare() throws StateMachineException {
+ // Call generic prepare logic
+ super.prepare();
+ try {
+ compiled = ((Compilable) engine).compile(getSubject().getTaskSelectionLogic().getLogic());
+ } catch (final ScriptException e) {
+ LOGGER.error("execute: task selection logic failed to compile for state \"" + getSubject().getKey().getID()
+ + "\"");
+ throw new StateMachineException(
+ "task selection logic failed to compile for state \"" + getSubject().getKey().getID() + "\"", e);
+ }
+
+ }
+
+ /**
+ * Executes the executor for the task in a sequential manner.
+ *
+ * @param executionID the execution ID for the current APEX policy execution
+ * @param incomingEvent the incoming event
+ * @return The outgoing event
+ * @throws StateMachineException on an execution error
+ * @throws ContextException on context errors
+ */
+ @Override
+ public AxArtifactKey execute(final long executionID, final EnEvent incomingEvent)
+ throws StateMachineException, ContextException {
+ // Do execution pre work
+ executePre(executionID, incomingEvent);
+
+ // Set up the Javascript engine
+ engine.put("executor", getExecutionContext());
+
+ // Check and execute the Javascript logic
+ boolean returnValue = false;
+ try {
+ if (compiled == null) {
+ engine.eval(getSubject().getTaskSelectionLogic().getLogic());
+ } else {
+ compiled.eval(engine.getContext());
+ }
+ } catch (final ScriptException e) {
+ LOGGER.error(
+ "execute: task selection logic failed to run for state \"" + getSubject().getKey().getID() + "\"");
+ throw new StateMachineException(
+ "task selection logic failed to run for state \"" + getSubject().getKey().getID() + "\"", e);
+ }
+
+ try {
+ final Object ret = engine.get("returnValue");
+ if (ret == null) {
+ LOGGER.error("execute: task selection logic failed to set a return value for state \""
+ + getSubject().getKey().getID() + "\"");
+ throw new StateMachineException(
+ "execute: task selection logic failed to set a return value for state \""
+ + getSubject().getKey().getID() + "\"");
+ }
+ returnValue = (Boolean) ret;
+ } catch (NullPointerException | ClassCastException e) {
+ LOGGER.error("execute: task selection logic failed to set a correct return value for state \""
+ + getSubject().getKey().getID() + "\"", e);
+ throw new StateMachineException("execute: task selection logic failed to set a return value for state \""
+ + getSubject().getKey().getID() + "\"", e);
+ }
+
+ // Do the execution post work
+ executePost(returnValue);
+
+ // Send back the return event
+ if (returnValue) {
+ return getOutgoing();
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Cleans up the task after processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void cleanUp() throws StateMachineException {
+ LOGGER.debug("cleanUp:" + getSubject().getKey().getID() + ","
+ + getSubject().getTaskSelectionLogic().getLogicFlavour() + ","
+ + getSubject().getTaskSelectionLogic().getLogic());
+ engine = null;
+ }
+}
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+/**
+ * Implements the Javascript executor plugin for APEX, providing extensions of the abstract classes
+ * {@link org.onap.policy.apex.core.engine.executor.TaskExecutor},
+ * {@link org.onap.policy.apex.core.engine.executor.TaskSelectExecutor}, and
+ * {@link org.onap.policy.apex.core.engine.executor.StateFinalizerExecutor}.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+
+package org.onap.policy.apex.plugins.executor.javascript;
--- /dev/null
+<!--
+ ============LICENSE_START=======================================================
+ Copyright (C) 2018 Ericsson. All rights reserved.
+ ================================================================================
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+ SPDX-License-Identifier: Apache-2.0
+ ============LICENSE_END=========================================================
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.onap.policy.apex-pdp.plugins.plugins-executor</groupId>
+ <artifactId>plugins-executor</artifactId>
+ <version>2.0.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>plugins-executor-jruby</artifactId>
+ <name>${project.artifactId}</name>
+ <description>[${project.parent.artifactId}] Plugin for execution of JRuby logic in Apex</description>
+
+ <properties>
+ <apex-plugins-executor-jruby-dir>${project.basedir}/src</apex-plugins-executor-jruby-dir>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.jruby</groupId>
+ <artifactId>jruby-complete</artifactId>
+ <version>1.7.26</version>
+ </dependency>
+ </dependencies>
+</project>
\ No newline at end of file
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.executor.jruby;
+
+import org.onap.policy.apex.core.engine.ExecutorParameters;
+
+/**
+ * This class provides executor parameters for the JRuby Executor plugin. It specifies the classes that provide the Juby
+ * implementations of the abstract classes {@link org.onap.policy.apex.core.engine.executor.TaskExecutor},
+ * {@link org.onap.policy.apex.core.engine.executor.TaskSelectExecutor}, and
+ * {@link org.onap.policy.apex.core.engine.executor.StateFinalizerExecutor}.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class JrubyExecutorParameters extends ExecutorParameters {
+ /**
+ * Constructor that sets the abstract implementation classes.
+ */
+ public JrubyExecutorParameters() {
+ this.setTaskExecutorPluginClass(JrubyTaskExecutor.class.getCanonicalName());
+ this.setTaskSelectionExecutorPluginClass(JrubyTaskSelectExecutor.class.getCanonicalName());
+ this.setStateFinalizerExecutorPluginClass(JrubyStateFinalizerExecutor.class.getCanonicalName());
+ }
+}
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.executor.jruby;
+
+import java.util.Map;
+
+import org.jruby.embed.EmbedEvalUnit;
+import org.jruby.embed.LocalContextScope;
+import org.jruby.embed.LocalVariableBehavior;
+import org.jruby.embed.ScriptingContainer;
+import org.jruby.runtime.builtin.IRubyObject;
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.core.engine.executor.StateFinalizerExecutor;
+import org.onap.policy.apex.core.engine.executor.exception.StateMachineException;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * The Class JrubyStateFinalizerExecutor is the state finalizer executor for state finalizer logic written in JRuby.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class JrubyStateFinalizerExecutor extends StateFinalizerExecutor {
+ // Logger for this class
+ private static final XLogger LOGGER = XLoggerFactory.getXLogger(JrubyStateFinalizerExecutor.class);
+
+ // Jruby container
+ private ScriptingContainer container =
+ new ScriptingContainer(LocalContextScope.CONCURRENT, LocalVariableBehavior.TRANSIENT, true);
+ private EmbedEvalUnit parsedjruby = null;
+
+ /**
+ * Prepares the state finalizer for processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void prepare() throws StateMachineException {
+ // Call generic prepare logic
+ super.prepare();
+
+ // Set up the JRuby engine
+ container = (container == null)
+ ? new ScriptingContainer(LocalContextScope.CONCURRENT, LocalVariableBehavior.TRANSIENT, true)
+ : container;
+ container.setError(System.err);
+ container.setOutput(System.out);
+ container.put("executor", getExecutionContext()); // needed for the compile
+ parsedjruby = container.parse(getSubject().getLogic());
+ }
+
+ /**
+ * Executes the executor for the state finalizer logic in a sequential manner.
+ *
+ * @param executionID the execution ID for the current APEX policy execution
+ * @param incomingFields the incoming fields for finalisation
+ * @return The state output for the state
+ * @throws StateMachineException on an execution error
+ * @throws ContextException on context errors
+ */
+ @Override
+ public String execute(final long executionID, final Map<String, Object> incomingFields)
+ throws StateMachineException, ContextException {
+ // Do execution pre work
+ executePre(executionID, incomingFields);
+
+ // Check and execute the JRuby logic
+ container.put("executor", getExecutionContext());
+
+ /* Precompiled version */
+ boolean returnValue = false;
+ final IRubyObject ret = parsedjruby.run();
+ if (ret != null) {
+ final Boolean retbool = (Boolean) ret.toJava(java.lang.Boolean.class);
+ if (retbool != null) {
+ returnValue = true;
+ }
+ }
+
+ // Do the execution post work
+ executePost(returnValue);
+
+ // Send back the return event
+ if (returnValue) {
+ return getOutgoing();
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Cleans up the state finalizer after processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void cleanUp() throws StateMachineException {
+ LOGGER.debug("cleanUp:" + getSubject().getKey().getID() + "," + getSubject().getLogicFlavour() + ","
+ + getSubject().getLogic());
+ container.terminate();
+ container = null;
+ }
+}
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.executor.jruby;
+
+import java.util.Map;
+
+import org.jruby.embed.EmbedEvalUnit;
+import org.jruby.embed.LocalContextScope;
+import org.jruby.embed.LocalVariableBehavior;
+import org.jruby.embed.ScriptingContainer;
+import org.jruby.runtime.builtin.IRubyObject;
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.core.engine.executor.TaskExecutor;
+import org.onap.policy.apex.core.engine.executor.exception.StateMachineException;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * The Class JrubyTaskExecutor is the task executor for task logic written in JRuby.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class JrubyTaskExecutor extends TaskExecutor {
+ // Logger for this class
+ private static final XLogger LOGGER = XLoggerFactory.getXLogger(JrubyTaskExecutor.class);
+
+ // Jruby container
+ private ScriptingContainer container =
+ new ScriptingContainer(LocalContextScope.CONCURRENT, LocalVariableBehavior.TRANSIENT, true);
+ private EmbedEvalUnit parsedjruby = null;
+
+ /**
+ * Prepares the task for processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void prepare() throws StateMachineException {
+ // Call generic prepare logic
+ super.prepare();
+
+ // Set up the JRuby engine
+ container = (container == null)
+ ? new ScriptingContainer(LocalContextScope.CONCURRENT, LocalVariableBehavior.TRANSIENT, true)
+ : container;
+ container.setError(System.err);
+ container.setOutput(System.out);
+ container.put("executor", getExecutionContext()); // needed for the compile
+ parsedjruby = container.parse(getSubject().getTaskLogic().getLogic());
+ }
+
+ /**
+ * Executes the executor for the task in a sequential manner.
+ *
+ * @param executionID the execution ID for the current APEX policy execution
+ * @param incomingFields the incoming fields
+ * @return The outgoing fields
+ * @throws StateMachineException on an execution error
+ * @throws ContextException on context errors
+ */
+ @Override
+ public Map<String, Object> execute(final long executionID, final Map<String, Object> incomingFields)
+ throws StateMachineException, ContextException {
+ // Do execution pre work
+ executePre(executionID, incomingFields);
+
+ // Check and execute the JRuby logic
+ container.put("executor", getExecutionContext());
+
+ /* Precompiled version */
+ boolean returnValue = false;
+ final IRubyObject ret = parsedjruby.run();
+ if (ret != null) {
+ final Boolean retbool = (Boolean) ret.toJava(java.lang.Boolean.class);
+ if (retbool != null) {
+ returnValue = true;
+ }
+ }
+
+ // Do the execution post work
+ executePost(returnValue);
+
+ // Send back the return event
+ if (returnValue) {
+ return getOutgoing();
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Cleans up the task after processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void cleanUp() throws StateMachineException {
+ LOGGER.debug("cleanUp:" + getSubject().getKey().getID() + "," + getSubject().getTaskLogic().getLogicFlavour()
+ + "," + getSubject().getTaskLogic().getLogic());
+ container.terminate();
+ container = null;
+ }
+}
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.executor.jruby;
+
+import java.util.Set;
+import java.util.TreeSet;
+
+import org.jruby.embed.EmbedEvalUnit;
+import org.jruby.embed.LocalContextScope;
+import org.jruby.embed.LocalVariableBehavior;
+import org.jruby.embed.ScriptingContainer;
+import org.jruby.runtime.builtin.IRubyObject;
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.core.engine.event.EnEvent;
+import org.onap.policy.apex.core.engine.executor.TaskSelectExecutor;
+import org.onap.policy.apex.core.engine.executor.exception.StateMachineException;
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * The Class JrubyTaskSelectExecutor is the task selection executor for task selection logic written in JRuby.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class JrubyTaskSelectExecutor extends TaskSelectExecutor {
+ // Logger for this class
+ private static final XLogger LOGGER = XLoggerFactory.getXLogger(JrubyTaskSelectExecutor.class);
+
+ // Jruby container
+ private ScriptingContainer container =
+ new ScriptingContainer(LocalContextScope.CONCURRENT, LocalVariableBehavior.TRANSIENT, true);
+ private EmbedEvalUnit parsedjruby = null;
+
+ /**
+ * Prepares the task for processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void prepare() throws StateMachineException {
+ // Call generic prepare logic
+ super.prepare();
+
+ // Set up the JRuby engine
+ container = (container == null)
+ ? new ScriptingContainer(LocalContextScope.CONCURRENT, LocalVariableBehavior.TRANSIENT, true)
+ : container;
+ container.put("executor", getExecutionContext()); // needed for compile as a placeholder
+ parsedjruby = container.parse(getSubject().getTaskSelectionLogic().getLogic());
+ }
+
+ /**
+ * Executes the executor for the task in a sequential manner.
+ *
+ * @param executionID the execution ID for the current APEX policy execution
+ * @param incomingEvent the incoming event
+ * @return The outgoing event
+ * @throws StateMachineException on an execution error
+ * @throws ContextException on context errors
+ */
+ @Override
+ public AxArtifactKey execute(final long executionID, final EnEvent incomingEvent)
+ throws StateMachineException, ContextException {
+ // Do execution pre work
+ executePre(executionID, incomingEvent);
+
+ // Check and execute the JRuby logic
+ container.put("executor", getExecutionContext());
+
+ /* Precompiled version */
+ boolean returnValue = false;
+ final IRubyObject ret = parsedjruby.run();
+ if (ret != null) {
+ final Boolean retbool = (Boolean) ret.toJava(java.lang.Boolean.class);
+ if (retbool != null) {
+ returnValue = true;
+ }
+ }
+
+ // Do the execution post work
+ executePost(returnValue);
+
+ // Send back the return event
+ if (returnValue) {
+ return getOutgoing();
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Cleans up the task after processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void cleanUp() throws StateMachineException {
+ LOGGER.debug("cleanUp:" + getSubject().getKey().getID() + ","
+ + getSubject().getTaskSelectionLogic().getLogicFlavour() + ","
+ + getSubject().getTaskSelectionLogic().getLogic());
+ container.terminate();
+ container = null;
+ }
+
+ /**
+ * Gets the output event set.
+ *
+ * @return the output event set
+ */
+ public Set<AxArtifactKey> getOutputEventSet() {
+ return new TreeSet<>();
+ }
+}
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+/**
+ * Implements the JRuby executor plugin for APEX, providing extensions of the abstract classes
+ * {@link org.onap.policy.apex.core.engine.executor.TaskExecutor},
+ * {@link org.onap.policy.apex.core.engine.executor.TaskSelectExecutor}, and
+ * {@link org.onap.policy.apex.core.engine.executor.StateFinalizerExecutor}.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+
+package org.onap.policy.apex.plugins.executor.jruby;
--- /dev/null
+<!--
+ ============LICENSE_START=======================================================
+ Copyright (C) 2018 Ericsson. All rights reserved.
+ ================================================================================
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+ SPDX-License-Identifier: Apache-2.0
+ ============LICENSE_END=========================================================
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.onap.policy.apex-pdp.plugins.plugins-executor</groupId>
+ <artifactId>plugins-executor</artifactId>
+ <version>2.0.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>plugins-executor-jython</artifactId>
+ <name>${project.artifactId}</name>
+ <description>[${project.parent.artifactId}] Plugin for execution of Jython logic in Apex</description>
+
+ <properties>
+ <apex-plugins-executor-jython-dir>${project.basedir}/src</apex-plugins-executor-jython-dir>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.python</groupId>
+ <artifactId>jython</artifactId>
+ <version>2.2.1</version>
+ </dependency>
+ </dependencies>
+</project>
\ No newline at end of file
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.executor.jython;
+
+import org.onap.policy.apex.core.engine.ExecutorParameters;
+
+/**
+ * This class provides executor parameters for the Jython Executor plugin. It specifies the classes that provide the
+ * Jython implementations of the abstract classes {@link org.onap.policy.apex.core.engine.executor.TaskExecutor},
+ * {@link org.onap.policy.apex.core.engine.executor.TaskSelectExecutor}, and
+ * {@link org.onap.policy.apex.core.engine.executor.StateFinalizerExecutor}.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class JythonExecutorParameters extends ExecutorParameters {
+ /**
+ * Constructor that sets the abstract implementation classes.
+ */
+ public JythonExecutorParameters() {
+ this.setTaskExecutorPluginClass(JythonTaskExecutor.class.getCanonicalName());
+ this.setTaskSelectionExecutorPluginClass(JythonTaskSelectExecutor.class.getCanonicalName());
+ this.setStateFinalizerExecutorPluginClass(JythonStateFinalizerExecutor.class.getCanonicalName());
+ }
+}
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.executor.jython;
+
+import java.util.Map;
+
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.core.engine.executor.StateFinalizerExecutor;
+import org.onap.policy.apex.core.engine.executor.exception.StateMachineException;
+import org.python.core.Py;
+import org.python.core.PyCode;
+import org.python.core.PyException;
+import org.python.util.PythonInterpreter;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * The Class JythonStateFinalizerExecutor is the state finalizer executor for state finalizer logic written in Jython It
+ * is unlikely that this is thread safe.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class JythonStateFinalizerExecutor extends StateFinalizerExecutor {
+ // Logger for this class
+ private static final XLogger LOGGER = XLoggerFactory.getXLogger(JythonStateFinalizerExecutor.class);
+
+ // The Jython interpreter
+ private final PythonInterpreter interpreter = new PythonInterpreter();
+ private PyCode compiled = null;
+
+ /**
+ * Prepares the state finalizer for processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void prepare() throws StateMachineException {
+ interpreter.setErr(System.err);
+ interpreter.setOut(System.out);
+
+ // Call generic prepare logic
+ super.prepare();
+ try {
+ synchronized (Py.class) {
+ compiled = Py.compile_flags(getSubject().getLogic(), "<" + getSubject().getKey().toString() + ">",
+ "exec", null);
+ }
+ } catch (final PyException e) {
+ LOGGER.warn("failed to compile Jython code for state finalizer " + getSubject().getKey(), e);
+ throw new StateMachineException(
+ "failed to compile Jython code for state finalizer " + getSubject().getKey(), e);
+ }
+
+ }
+
+ /**
+ * Executes the executor for the state finalizer logic in a sequential manner.
+ *
+ * @param executionID the execution ID for the current APEX policy execution
+ * @param incomingFields the incoming fields for finalisation
+ * @return The state output for the state
+ * @throws StateMachineException on an execution error
+ * @throws ContextException on context errors
+ */
+ @Override
+ public String execute(final long executionID, final Map<String, Object> incomingFields)
+ throws StateMachineException, ContextException {
+
+ boolean returnValue = false;
+
+ // Do execution pre work
+ executePre(executionID, incomingFields);
+
+ try {
+
+ // Check and execute the Jython logic
+ /* Precompiled Version */
+ synchronized (Py.class) {
+ // Set up the Jython engine
+ interpreter.set("executor", getExecutionContext());
+ interpreter.exec(compiled);
+ returnValue = (boolean) interpreter.get("returnValue", java.lang.Boolean.class);
+ }
+ /* */
+ } catch (final Exception e) {
+ LOGGER.warn("failed to execute Jython code for state finalizer " + getSubject().getKey(), e);
+ throw new StateMachineException(
+ "failed to execute Jython code for state finalizer " + getSubject().getKey(), e);
+ }
+
+ // Do the execution post work
+ executePost(returnValue);
+
+ // Send back the return event
+ if (returnValue) {
+ return getOutgoing();
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Cleans up the state finalizer after processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void cleanUp() throws StateMachineException {
+ interpreter.cleanup();
+ LOGGER.debug("cleanUp:" + getSubject().getKey() + "," + getSubject().getLogicFlavour() + ","
+ + getSubject().getLogic());
+ }
+}
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.executor.jython;
+
+import java.util.Map;
+
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.core.engine.executor.TaskExecutor;
+import org.onap.policy.apex.core.engine.executor.exception.StateMachineException;
+import org.python.core.Py;
+import org.python.core.PyCode;
+import org.python.core.PyException;
+import org.python.util.PythonInterpreter;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * The Class JythonTaskExecutor is the task executor for task logic written in Jython It is unlikely that this is thread
+ * safe.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class JythonTaskExecutor extends TaskExecutor {
+ // Logger for this class
+ private static final XLogger LOGGER = XLoggerFactory.getXLogger(JythonTaskExecutor.class);
+
+ // The Jython interpreter
+ private final PythonInterpreter interpreter = new PythonInterpreter();
+ private PyCode compiled = null;
+
+ /**
+ * Prepares the task for processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void prepare() throws StateMachineException {
+ interpreter.setErr(System.err);
+ interpreter.setOut(System.out);
+
+ // Call generic prepare logic
+ super.prepare();
+ try {
+ synchronized (Py.class) {
+ compiled = Py.compile_flags(getSubject().getTaskLogic().getLogic(),
+ "<" + getSubject().getKey().toString() + ">", "exec", null);
+ }
+ } catch (final PyException e) {
+ LOGGER.warn("failed to compile Jython code for task " + getSubject().getKey().getID(), e);
+ throw new StateMachineException("failed to compile Jython code for task " + getSubject().getKey().getID(),
+ e);
+ }
+
+ }
+
+ /**
+ * Executes the executor for the task in a sequential manner.
+ *
+ * @param executionID the execution ID for the current APEX policy execution
+ * @param incomingFields the incoming fields
+ * @return The outgoing fields
+ * @throws StateMachineException on an execution error
+ * @throws ContextException on context errors
+ */
+ @Override
+ public Map<String, Object> execute(final long executionID, final Map<String, Object> incomingFields)
+ throws StateMachineException, ContextException {
+
+ boolean returnValue = false;
+
+ // Do execution pre work
+ executePre(executionID, incomingFields);
+
+ try {
+
+ // Check and execute the Jython logic
+ /* Precompiled Version */
+ synchronized (Py.class) {
+ // Set up the Jython engine
+ interpreter.set("executor", getExecutionContext());
+ interpreter.exec(compiled);
+ try {
+ final Object ret = interpreter.get("returnValue", java.lang.Boolean.class);
+ if (ret == null) {
+ LOGGER.error("execute: task logic failed to set a return value for task \""
+ + getSubject().getKey().getID() + "\"");
+ throw new StateMachineException("execute: task logic failed to set a return value for task \""
+ + getSubject().getKey().getID() + "\"");
+ }
+ returnValue = (Boolean) ret;
+ } catch (NullPointerException | ClassCastException e) {
+ LOGGER.error("execute: task selection logic failed to set a correct return value for state \""
+ + getSubject().getKey().getID() + "\"", e);
+ throw new StateMachineException(
+ "execute: task selection logic failed to set a return value for state \""
+ + getSubject().getKey().getID() + "\"",
+ e);
+ }
+ }
+ /* */
+ } catch (final Exception e) {
+ LOGGER.warn("failed to execute Jython code for task " + getSubject().getKey().getID(), e);
+ throw new StateMachineException("failed to execute Jython code for task " + getSubject().getKey().getID(),
+ e);
+ }
+
+ // Do the execution post work
+ executePost(returnValue);
+
+ // Send back the return event
+ if (returnValue) {
+ return getOutgoing();
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Cleans up the task after processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void cleanUp() throws StateMachineException {
+ interpreter.cleanup();
+ LOGGER.debug("cleanUp:" + getSubject().getKey().getID() + "," + getSubject().getTaskLogic().getLogicFlavour()
+ + "," + getSubject().getTaskLogic().getLogic());
+ }
+}
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.executor.jython;
+
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.core.engine.event.EnEvent;
+import org.onap.policy.apex.core.engine.executor.TaskSelectExecutor;
+import org.onap.policy.apex.core.engine.executor.exception.StateMachineException;
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+import org.python.core.Py;
+import org.python.core.PyCode;
+import org.python.core.PyException;
+import org.python.util.PythonInterpreter;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * The Class JythonTaskSelectExecutor is the task selection executor for task selection logic written in Jython It is
+ * unlikely that this is thread safe.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class JythonTaskSelectExecutor extends TaskSelectExecutor {
+ private static final XLogger LOGGER = XLoggerFactory.getXLogger(JythonTaskSelectExecutor.class);
+
+ // The Jython interpreter
+ private final PythonInterpreter interpreter = new PythonInterpreter();
+ private PyCode compiled = null;
+
+ /**
+ * Prepares the task for processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void prepare() throws StateMachineException {
+ interpreter.setErr(System.err);
+ interpreter.setOut(System.out);
+
+ // Call generic prepare logic
+ super.prepare();
+ try {
+ synchronized (Py.class) {
+ compiled = Py.compile_flags(getSubject().getTaskSelectionLogic().getLogic(),
+ "<" + getSubject().getKey().toString() + ">", "exec", null);
+ }
+ } catch (final PyException e) {
+ LOGGER.warn("failed to compile Jython code for task selection logic in " + getSubject().getKey().getID(),
+ e);
+ throw new StateMachineException(
+ "failed to compile Jython code for task selection logic in " + getSubject().getKey().getID(), e);
+ }
+
+ }
+
+ /**
+ * Executes the executor for the task in a sequential manner.
+ *
+ * @param executionID the execution ID for the current APEX policy execution
+ * @param incomingEvent the incoming event
+ * @return The outgoing event
+ * @throws StateMachineException on an execution error
+ * @throws ContextException on context errors
+ */
+ @Override
+ public AxArtifactKey execute(final long executionID, final EnEvent incomingEvent)
+ throws StateMachineException, ContextException {
+
+ boolean returnValue = false;
+
+ // Do execution pre work
+ executePre(executionID, incomingEvent);
+
+ try {
+ // Check and execute the Jython logic
+ /* Precompiled Version */
+ synchronized (Py.class) {
+ // Set up the Jython engine
+ interpreter.set("executor", getExecutionContext());
+ interpreter.exec(compiled);
+
+ try {
+ final Object ret = interpreter.get("returnValue", java.lang.Boolean.class);
+ if (ret == null) {
+ LOGGER.error("execute: task selection logic failed to set a return value for state \""
+ + getSubject().getKey().getID() + "\"");
+ throw new StateMachineException(
+ "execute: task selection logic failed to set a return value for state \""
+ + getSubject().getKey().getID() + "\"");
+ }
+ returnValue = (Boolean) ret;
+ } catch (NullPointerException | ClassCastException e) {
+ LOGGER.error("execute: task selection logic failed to set a correct return value for state \""
+ + getSubject().getKey().getID() + "\"", e);
+ throw new StateMachineException(
+ "execute: task selection logic failed to set a return value for state \""
+ + getSubject().getKey().getID() + "\"",
+ e);
+ }
+ }
+ /* */
+ } catch (final Exception e) {
+ LOGGER.warn("failed to execute Jython code for task selection logic in " + getSubject().getKey().getID(),
+ e);
+ throw new StateMachineException(
+ "failed to execute Jython code for task selection logic in " + getSubject().getKey().getID(), e);
+ }
+
+ // Do the execution post work
+ executePost(returnValue);
+
+ // Send back the return event
+ if (returnValue) {
+ return getOutgoing();
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Cleans up the task after processing.
+ *
+ * @throws StateMachineException thrown when a state machine execution error occurs
+ */
+ @Override
+ public void cleanUp() throws StateMachineException {
+ interpreter.cleanup();
+ LOGGER.debug("cleanUp:" + getSubject().getKey().getID() + ","
+ + getSubject().getTaskSelectionLogic().getLogicFlavour() + ","
+ + getSubject().getTaskSelectionLogic().getLogic());
+ }
+}
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+/**
+ * Implements the Jython executor plugin for APEX, providing extensions of the abstract classes
+ * {@link org.onap.policy.apex.core.engine.executor.TaskExecutor},
+ * {@link org.onap.policy.apex.core.engine.executor.TaskSelectExecutor}, and
+ * {@link org.onap.policy.apex.core.engine.executor.StateFinalizerExecutor}.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+
+package org.onap.policy.apex.plugins.executor.jython;
</dependency>
</dependencies>
- <profiles>
- <profile>
- <id>apexDefault</id>
- <activation>
- <activeByDefault>true</activeByDefault>
- </activation>
- <modules>
- <module>plugins-executor-mvel</module>
- </modules>
- </profile>
- <profile>
- <id>apexTests</id>
- <activation>
- <property>
- <name>apexTests</name>
- </property>
- </activation>
- <modules>
- <module>plugins-executor-mvel</module>
- </modules>
- </profile>
- <profile>
- <id>apexAll</id>
- <activation>
- <property>
- <name>apexAll</name>
- </property>
- </activation>
- <modules>
- <module>plugins-executor-mvel</module>
- </modules>
- </profile>
- </profiles>
+ <modules>
+ <module>plugins-executor-java</module>
+ <module>plugins-executor-javascript</module>
+ <module>plugins-executor-jruby</module>
+ <module>plugins-executor-jython</module>
+ <module>plugins-executor-mvel</module>
+ </modules>
</project>
\ No newline at end of file
Code Review / policy / apex-pdp.git / commitdiff