1 files changed, 212 insertions, 0 deletions
diff --git a/testsuites/integration/integration-context-metrics/src/main/java/org/onap/policy/apex/plugins/context/metrics/ConcurrentContextMetricsJVM.java b/testsuites/integration/integration-context-metrics/src/main/java/org/onap/policy/apex/plugins/context/metrics/ConcurrentContextMetricsJVM.java
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index 000000000..ed81e39a1
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+++ b/testsuites/integration/integration-context-metrics/src/main/java/org/onap/policy/apex/plugins/context/metrics/ConcurrentContextMetricsJVM.java
@@ -0,0 +1,212 @@
+/*-
+ * ============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.context.metrics;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.Arrays;
+
+import org.onap.policy.apex.context.ContextAlbum;
+import org.onap.policy.apex.context.Distributor;
+import org.onap.policy.apex.context.impl.distribution.DistributorFactory;
+import org.onap.policy.apex.context.test.factory.TestContextAlbumFactory;
+import org.onap.policy.apex.core.infrastructure.threading.ThreadUtilities;
+import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+import org.onap.policy.apex.model.basicmodel.service.AbstractParameters;
+import org.onap.policy.apex.model.basicmodel.service.ParameterService;
+import org.onap.policy.apex.model.contextmodel.concepts.AxContextModel;
+import org.onap.policy.apex.model.utilities.Assertions;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonSyntaxException;
+
+/**
+ * The Class ConcurrentContextMetricsJVM rins in its own JVM to test concurrent context updates and
+ * lockings across JVMs.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public final class ConcurrentContextMetricsJVM {
+    // Logger for this class
+    private static final XLogger LOGGER = XLoggerFactory.getXLogger(ConcurrentContextMetricsJVM.class);
+
+    private static final int NUM_ARGS = 6;
+    private static final int ARG_JVM_NO = 1;
+    private static final int ARG_THREAD_COUNT = 2;
+    private static final int ARG_ITERATIONS = 3;
+    private static final int ARG_ARRAY_SIZE = 4;
+    private static final int ARG_LOCK_TYPE = 5;
+
+    private static final int WAIT_10_MS = 10;
+
+    /**
+     * The Constructor for this class.
+     *
+     * @param testType the test type
+     * @param jvmNo the jvm no
+     * @param threadCount the thread count
+     * @param threadLoops the thread loops
+     * @param longArraySize the long array size
+     * @param lockType the lock type
+     * @throws ApexException the apex exception
+     * @throws IOException the IO exception
+     */
+    private ConcurrentContextMetricsJVM(final String testType, final int jvmNo, final int threadCount,
+            final int threadLoops, final int longArraySize, final int lockType) throws ApexException, IOException {
+        LOGGER.debug("starting JVMs and threads . . .");
+
+        final BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
+
+        // Set up the distributor for this JVM
+        final AxArtifactKey distributorKey = new AxArtifactKey("ApexDistributor", "0.0.1");
+        final Distributor contextDistributor = new DistributorFactory().getDistributor(distributorKey);
+
+        final AxArtifactKey[] usedArtifactStackArray = {new AxArtifactKey("testC-top_" + jvmNo, "0.0.1"),
+                new AxArtifactKey("testC-next_" + jvmNo, "0.0.1"), new AxArtifactKey("testC-bot_" + jvmNo, "0.0.1")};
+
+        final AxContextModel testAxContextModel = TestContextAlbumFactory.createLongContextModel();
+        contextDistributor.registerModel(testAxContextModel);
+        final ContextAlbum testContextAlbum =
+                contextDistributor.createContextAlbum(new AxArtifactKey("LongSameTypeContextAlbum", "0.0.1"));
+        Assertions.argumentNotNull(testContextAlbum, "testContextAlbum may not be null");
+        testContextAlbum.setUserArtifactStack(usedArtifactStackArray);
+
+        final Thread[] threadArray = new Thread[threadCount];
+
+        for (int t = 0; t < threadCount; t++) {
+            threadArray[t] =
+                    new Thread(new ConcurrentContextMetricsThread(jvmNo, t, threadLoops, longArraySize, lockType));
+            threadArray[t].setName(testType + ":ConcurrentContextMetricsThread_" + jvmNo + "_" + t);
+            threadArray[t].start();
+            LOGGER.debug("started thread " + threadArray[t].getName());
+        }
+
+        System.out.println("ReadyToGo");
+        while (true) {
+            final String goLine = bufferedReader.readLine();
+            if (!goLine.trim().equals("OffYouGo")) {
+                throw new IOException("Expected OffYouGo");
+            }
+            break;
+        }
+
+        boolean allFinished;
+        do {
+            allFinished = true;
+            for (int t = 0; t < threadCount; t++) {
+                if (threadArray[t].isAlive()) {
+                    allFinished = false;
+                    ThreadUtilities.sleep(WAIT_10_MS);
+                    break;
+                }
+            }
+        } while (!allFinished);
+
+        System.out.println("AllFinished");
+        while (true) {
+            final String goLine = bufferedReader.readLine();
+            if (!goLine.trim().equals("FinishItOut")) {
+                throw new IOException("Expected FinishItOut");
+            }
+            break;
+        }
+
+        LOGGER.debug("threads finished");
+        contextDistributor.clear();
+    }
+
+    /**
+     * The main method.
+     *
+     * @param args the args
+     * @throws JsonSyntaxException the json syntax exception
+     * @throws ClassNotFoundException the class not found exception
+     */
+    @SuppressWarnings("unchecked")
+    public static void main(final String[] args) throws JsonSyntaxException, ClassNotFoundException {
+        if (args.length < NUM_ARGS || (args.length % 2 != 0)) {
+            LOGGER.error("invalid arguments: " + Arrays.toString(args));
+            LOGGER.error(
+                    "usage: ConcurrentContextMetricsJVM testLabel jvmNo threadCount threadLoops longArraySize lockType [parameterKey parameterJson].... ");
+            return;
+        }
+
+        int jvmNo = -1;
+        int threadCount = -1;
+        int threadLoops = -1;
+        int longArraySize = -1;
+        int lockType = -1;
+
+        try {
+            jvmNo = Integer.parseInt(args[ARG_JVM_NO]);
+        } catch (final Exception e) {
+            LOGGER.error("invalid argument jvmNo", e);
+            return;
+        }
+
+        try {
+            threadCount = Integer.parseInt(args[ARG_THREAD_COUNT]);
+        } catch (final Exception e) {
+            LOGGER.error("invalid argument threadCount", e);
+            return;
+        }
+
+        try {
+            threadLoops = Integer.parseInt(args[ARG_ITERATIONS]);
+        } catch (final Exception e) {
+            LOGGER.error("invalid argument threadLoops", e);
+            return;
+        }
+
+        try {
+            longArraySize = Integer.parseInt(args[ARG_ARRAY_SIZE]);
+        } catch (final Exception e) {
+            LOGGER.error("invalid argument longArraySize", e);
+            return;
+        }
+
+        try {
+            lockType = Integer.parseInt(args[ARG_LOCK_TYPE]);
+        } catch (final Exception e) {
+            LOGGER.error("invalid argument lockType", e);
+            return;
+        }
+
+        for (int p = NUM_ARGS; p < args.length - 1; p += 2) {
+            @SuppressWarnings("rawtypes")
+            final Class parametersClass = Class.forName(args[p]);
+            final AbstractParameters parameters =
+                    (AbstractParameters) new Gson().fromJson(args[p + 1], parametersClass);
+            ParameterService.registerParameters(parametersClass, parameters);
+        }
+
+        try {
+            new ConcurrentContextMetricsJVM(args[0], jvmNo, threadCount, threadLoops, longArraySize, lockType);
+        } catch (final Exception e) {
+            LOGGER.error("error running test in JVM", e);
+            return;
+        }
+    }
+}