2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2016-2018 Ericsson. All rights reserved.
4 * Modifications Copyright (C) 2019-2020 Nordix Foundation.
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.apex.plugins.executor.javascript;
24 import java.util.Properties;
26 import org.onap.policy.apex.context.ContextException;
27 import org.onap.policy.apex.core.engine.event.EnEvent;
28 import org.onap.policy.apex.core.engine.executor.TaskSelectExecutor;
29 import org.onap.policy.apex.core.engine.executor.exception.StateMachineException;
30 import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
31 import org.slf4j.ext.XLogger;
32 import org.slf4j.ext.XLoggerFactory;
35 * The Class JavascriptTaskSelectExecutor is the task selection executor for task selection logic written in Javascript
36 * It is unlikely that this is thread safe.
38 * @author Liam Fallon (liam.fallon@ericsson.com)
40 public class JavascriptTaskSelectExecutor extends TaskSelectExecutor {
41 // Logger for this class
42 private static final XLogger LOGGER = XLoggerFactory.getXLogger(JavascriptTaskSelectExecutor.class);
44 private JavascriptExecutor javascriptExecutor;
47 * Prepares the task selection logic for processing.
49 * @throws StateMachineException thrown when a state machine execution error occurs
52 public void prepare() throws StateMachineException {
53 // Call generic prepare logic
56 // Create the executor
57 javascriptExecutor = new JavascriptExecutor(getSubject().getKey());
59 // Initialize and cleanup the executor to check the Javascript code
60 javascriptExecutor.init(getSubject().getTaskSelectionLogic().getLogic());
64 * Executes the executor for the task in a sequential manner.
66 * @param executionId the execution ID for the current APEX policy execution
67 * @param executionProperties properties for the current APEX policy execution
68 * @param incomingEvent the incoming event
69 * @return The outgoing event
70 * @throws StateMachineException on an execution error
71 * @throws ContextException on context errors
74 public AxArtifactKey execute(final long executionId, final Properties executionProperties,
75 final EnEvent incomingEvent) throws StateMachineException, ContextException {
76 // Do execution pre work
77 executePre(executionId, executionProperties, incomingEvent);
79 // Execute the Javascript executor
80 javascriptExecutor.init(getSubject().getTaskSelectionLogic().getLogic());
81 boolean result = javascriptExecutor.execute(getExecutionContext());
82 javascriptExecutor.cleanUp();
84 // Execute the Javascript
91 * Cleans up the task after processing.
93 * @throws StateMachineException thrown when a state machine execution error occurs
96 public void cleanUp() throws StateMachineException {
97 LOGGER.debug("cleanUp:" + getSubject().getKey().getId() + ","
98 + getSubject().getTaskSelectionLogic().getLogicFlavour() + ","
99 + getSubject().getTaskSelectionLogic().getLogic());