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.examples.adaptive;
24 import static org.awaitility.Awaitility.await;
25 import static org.junit.Assert.assertEquals;
26 import static org.junit.Assert.assertNotNull;
27 import static org.junit.Assert.assertTrue;
29 import java.io.IOException;
30 import java.util.Random;
31 import java.util.concurrent.TimeUnit;
33 import org.junit.After;
34 import org.junit.Before;
35 import org.junit.Test;
36 import org.onap.policy.apex.context.impl.schema.java.JavaSchemaHelperParameters;
37 import org.onap.policy.apex.context.parameters.ContextParameterConstants;
38 import org.onap.policy.apex.context.parameters.ContextParameters;
39 import org.onap.policy.apex.context.parameters.SchemaParameters;
40 import org.onap.policy.apex.core.engine.EngineParameters;
41 import org.onap.policy.apex.core.engine.engine.ApexEngine;
42 import org.onap.policy.apex.core.engine.engine.impl.ApexEngineFactory;
43 import org.onap.policy.apex.core.engine.event.EnEvent;
44 import org.onap.policy.apex.examples.adaptive.model.AdaptiveDomainModelFactory;
45 import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
46 import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
47 import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult;
48 import org.onap.policy.apex.model.enginemodel.concepts.AxEngineState;
49 import org.onap.policy.apex.model.policymodel.concepts.AxPolicyModel;
50 import org.onap.policy.apex.plugins.executor.java.JavaExecutorParameters;
51 import org.onap.policy.apex.plugins.executor.mvel.MvelExecutorParameters;
52 import org.onap.policy.common.parameters.ParameterService;
53 import org.slf4j.ext.XLogger;
54 import org.slf4j.ext.XLoggerFactory;
57 * This policy passes, and recieves a Double event context filed called "EVCDouble".<br>
58 * The policy tries to detect anomalies in the pattern of values for EVCDouble<br>
59 * See the 2 test cases below (1 short, 1 long)
61 * @author John Keeney (John.Keeney@ericsson.com)
63 public class AnomalyDetectionTslUseCaseTest {
64 private static final XLogger LOGGER = XLoggerFactory.getXLogger(AnomalyDetectionTslUseCaseTest.class);
66 private static final int MAXITERATIONS = 3660;
67 private static final Random RAND = new Random(System.currentTimeMillis());
69 private SchemaParameters schemaParameters;
70 private ContextParameters contextParameters;
71 private EngineParameters engineParameters;
77 public void beforeTest() {
78 schemaParameters = new SchemaParameters();
80 schemaParameters.setName(ContextParameterConstants.SCHEMA_GROUP_NAME);
81 schemaParameters.getSchemaHelperParameterMap().put("JAVA", new JavaSchemaHelperParameters());
83 ParameterService.register(schemaParameters);
85 contextParameters = new ContextParameters();
87 contextParameters.setName(ContextParameterConstants.MAIN_GROUP_NAME);
88 contextParameters.getDistributorParameters().setName(ContextParameterConstants.DISTRIBUTOR_GROUP_NAME);
89 contextParameters.getLockManagerParameters().setName(ContextParameterConstants.LOCKING_GROUP_NAME);
90 contextParameters.getPersistorParameters().setName(ContextParameterConstants.PERSISTENCE_GROUP_NAME);
92 ParameterService.register(contextParameters);
93 ParameterService.register(contextParameters.getDistributorParameters());
94 ParameterService.register(contextParameters.getLockManagerParameters());
95 ParameterService.register(contextParameters.getPersistorParameters());
97 engineParameters = new EngineParameters();
98 engineParameters.getExecutorParameterMap().put("MVEL", new MvelExecutorParameters());
99 engineParameters.getExecutorParameterMap().put("JAVA", new JavaExecutorParameters());
100 ParameterService.register(engineParameters);
107 public void afterTest() {
108 ParameterService.deregister(engineParameters);
110 ParameterService.deregister(contextParameters.getDistributorParameters());
111 ParameterService.deregister(contextParameters.getLockManagerParameters());
112 ParameterService.deregister(contextParameters.getPersistorParameters());
113 ParameterService.deregister(contextParameters);
115 ParameterService.deregister(schemaParameters);
119 * Test anomaly detection tsl.
121 * @throws ApexException the apex exception
122 * @throws InterruptedException the interrupted exception
123 * @throws IOException Signals that an I/O exception has occurred.
126 // once through the long running test below
127 public void testAnomalyDetectionTsl() throws ApexException, InterruptedException, IOException {
128 final AxPolicyModel apexPolicyModel = new AdaptiveDomainModelFactory().getAnomalyDetectionPolicyModel();
129 assertNotNull(apexPolicyModel);
131 final AxValidationResult validationResult = new AxValidationResult();
132 apexPolicyModel.validate(validationResult);
133 assertTrue(validationResult.isValid());
135 final AxArtifactKey key = new AxArtifactKey("AnomalyTSLApexEngine", "0.0.1");
137 final ApexEngine apexEngine1 = new ApexEngineFactory().createApexEngine(key);
139 final TestApexActionListener listener1 = new TestApexActionListener("TestListener1");
140 apexEngine1.addEventListener("listener", listener1);
141 apexEngine1.updateModel(apexPolicyModel, false);
143 final EnEvent triggerEvent =
144 apexEngine1.createEvent(new AxArtifactKey("AnomalyDetectionTriggerEvent", "0.0.1"));
145 final double rval = RAND.nextGaussian();
146 triggerEvent.put("Iteration", 0);
147 triggerEvent.put("MonitoredValue", rval);
148 LOGGER.info("Triggering policy in Engine 1 with " + triggerEvent);
149 apexEngine1.handleEvent(triggerEvent);
150 final EnEvent result = listener1.getResult();
151 LOGGER.info("Receiving action event {} ", result);
152 assertEquals("ExecutionIDs are different", triggerEvent.getExecutionId(), result.getExecutionId());
153 triggerEvent.clear();
155 await().atLeast(1, TimeUnit.MILLISECONDS).until(() -> result.isEmpty());
160 * This policy passes, and recieves a Double event context filed called "EVCDouble"<br>
161 * The policy tries to detect anomalies in the pattern of values for EVCDouble <br>
162 * This test case generates a SineWave-like pattern for the parameter, repeating every 360 iterations. (These Period
163 * should probably be set using TaskParameters!) Every 361st value is a random number!, so should be identified as
164 * an Anomaly. The policy has 3 Decide Tasks, and the Decide TaskSelectionLogic picks one depending on the
165 * 'Anomaliness' of the input data. <br>
166 * To plot the results grep debug results for the string "************", paste into excel and delete non-relevant
169 * @throws ApexException the apex exception
170 * @throws InterruptedException the interrupted exception
171 * @throws IOException Signals that an I/O exception has occurred.
173 // Test is disabled by default. uncomment below, or execute using the main() method
175 // EG Dos command: apex-core.engine> mvn
176 // -Dtest=org.onap.policy.apex.core.engine.ml.TestAnomalyDetectionTslUseCase test | findstr /L /C:"Apex [main] DEBUG
177 // c.e.a.e.TaskSelectionExecutionLogging -
178 // TestAnomalyDetectionTSL_Policy0000DecideStateTaskSelectionLogic.getTask():"
179 public void testAnomalyDetectionTslmain() throws ApexException, InterruptedException, IOException {
181 final AxPolicyModel apexPolicyModel = new AdaptiveDomainModelFactory().getAnomalyDetectionPolicyModel();
182 assertNotNull(apexPolicyModel);
184 final AxValidationResult validationResult = new AxValidationResult();
185 apexPolicyModel.validate(validationResult);
186 assertTrue(validationResult.isValid());
188 final AxArtifactKey key = new AxArtifactKey("AnomalyTSLApexEngine", "0.0.1");
189 final EngineParameters parameters = new EngineParameters();
190 parameters.getExecutorParameterMap().put("MVEL", new MvelExecutorParameters());
191 parameters.getExecutorParameterMap().put("JAVA", new JavaExecutorParameters());
193 final ApexEngine apexEngine1 = new ApexEngineFactory().createApexEngine(key);
195 final TestApexActionListener listener1 = new TestApexActionListener("TestListener1");
196 apexEngine1.addEventListener("listener1", listener1);
197 apexEngine1.updateModel(apexPolicyModel, false);
200 final EnEvent triggerEvent =
201 apexEngine1.createEvent(new AxArtifactKey("AnomalyDetectionTriggerEvent", "0.0.1"));
202 assertNotNull(triggerEvent);
204 for (int iteration = 0; iteration < MAXITERATIONS; iteration++) {
205 // Trigger the policy in engine 1
207 double value = (Math.sin(Math.toRadians(iteration))) + (RAND.nextGaussian() / 25.0);
208 // lets make every 361st number a random value to perhaps flag as an anomaly
209 if (((iteration + 45) % 361) == 0) {
210 value = (RAND.nextGaussian() * 2.0);
212 triggerEvent.put("Iteration", iteration);
213 triggerEvent.put("MonitoredValue", value);
214 LOGGER.info("Iteration " + iteration + ":\tTriggering policy in Engine 1 with " + triggerEvent);
215 apexEngine1.handleEvent(triggerEvent);
216 final EnEvent result = listener1.getResult();
217 LOGGER.info("Iteration " + iteration + ":\tReceiving action event {} ", result);
218 triggerEvent.clear();
222 await().atLeast(1000, TimeUnit.MILLISECONDS).until(() -> apexEngine1.getState().equals(AxEngineState.STOPPED));
228 * @param args the arguments
229 * @throws ApexException the apex exception
230 * @throws InterruptedException the interrupted exception
231 * @throws IOException Signals that an I/O exception has occurred.
233 public static void main(final String[] args) throws ApexException, InterruptedException, IOException {
234 new AnomalyDetectionTslUseCaseTest().testAnomalyDetectionTslmain();