1 files changed, 170 insertions, 0 deletions
diff --git a/testsuites/integration/integration-context-metrics/src/main/java/org/onap/policy/apex/plugins/context/metrics/ConcurrentContextMetricsThread.java b/testsuites/integration/integration-context-metrics/src/main/java/org/onap/policy/apex/plugins/context/metrics/ConcurrentContextMetricsThread.java
new file mode 100644
index 000000000..e207832c1
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+++ b/testsuites/integration/integration-context-metrics/src/main/java/org/onap/policy/apex/plugins/context/metrics/ConcurrentContextMetricsThread.java
@@ -0,0 +1,170 @@
+/*-
+ * ============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.util.Random;
+
+import org.onap.policy.apex.context.ContextAlbum;
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.context.Distributor;
+import org.onap.policy.apex.context.impl.distribution.DistributorFactory;
+import org.onap.policy.apex.context.test.concepts.TestContextLongItem;
+import org.onap.policy.apex.context.test.factory.TestContextAlbumFactory;
+import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+import org.onap.policy.apex.model.contextmodel.concepts.AxContextModel;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * The Class ConcurrentContextMetricsThread gets metrics for concurrent use of context.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class ConcurrentContextMetricsThread implements Runnable {
+    // Logger for this class
+    private static final XLogger LOGGER = XLoggerFactory.getXLogger(ConcurrentContextMetricsThread.class);
+    private final Distributor contextDistributor;
+    private final int jvm;
+    private final int instance;
+    private final int threadLoops;
+    private final int longArraySize;
+    private final int lockType;
+
+    /**
+     * The Constructor.
+     *
+     * @param jvm the jvm
+     * @param instance the instance
+     * @param threadLoops the thread loops
+     * @param longArraySize the long array size
+     * @param lockType the lock type
+     * @throws ApexException the apex exception
+     */
+    public ConcurrentContextMetricsThread(final int jvm, final int instance, final int threadLoops,
+            final int longArraySize, final int lockType) throws ApexException {
+        this.jvm = jvm;
+        this.instance = instance;
+        this.threadLoops = threadLoops;
+        this.longArraySize = longArraySize;
+        this.lockType = lockType;
+
+        final AxArtifactKey distributorKey = new AxArtifactKey("ApexDistributor_" + jvm + "_" + instance, "0.0.1");
+        contextDistributor = new DistributorFactory().getDistributor(distributorKey);
+    }
+
+    /*
+     * (non-Javadoc)
+     *
+     * @see java.lang.Runnable#run()
+     */
+    @Override
+    public void run() {
+        LOGGER.info("running ConcurrentContextMetricsThread_" + jvm + "_" + instance + " . . .");
+
+        ContextAlbum lTypeAlbum = null;
+        try {
+            final AxContextModel axTestContextModel = TestContextAlbumFactory.createMultiAlbumsContextModel();
+            contextDistributor.registerModel(axTestContextModel);
+            lTypeAlbum = contextDistributor.createContextAlbum(new AxArtifactKey("LTypeContextAlbum", "0.0.1"));
+        } catch (final Exception e) {
+            LOGGER.error("could not get the test context album", e);
+            LOGGER.error("failed ConcurrentContextMetricsThread_" + jvm + "_" + instance);
+            return;
+        }
+
+        if (lTypeAlbum == null) {
+            LOGGER.error("could not find the test context album");
+            LOGGER.error("failed ConcurrentContextMetricsThread_" + jvm + "_" + instance);
+            return;
+        }
+
+        final AxArtifactKey[] usedArtifactStackArray =
+                {new AxArtifactKey("testCC-top", "0.0.1"), new AxArtifactKey("testCC-" + instance, "0.0.1")};
+
+        lTypeAlbum.setUserArtifactStack(usedArtifactStackArray);
+
+        final Random rand = new Random();
+
+        for (int i = 0; i < threadLoops; i++) {
+            // Get the next random entry to use
+            final String nextLongKey = Integer.toString(rand.nextInt(longArraySize));
+
+            if (lockType == 0) {
+                final TestContextLongItem item = (TestContextLongItem) lTypeAlbum.get(nextLongKey);
+                final long value = item.getLongValue();
+                if (LOGGER.isTraceEnabled()) {
+                    LOGGER.trace("lock type=" + lockType + ", value=" + value);
+                }
+                continue;
+            }
+
+            if (lockType == 1) {
+                try {
+                    lTypeAlbum.lockForReading(nextLongKey);
+                } catch (final ContextException e) {
+                    LOGGER.error("could not acquire read lock on context album, key=" + nextLongKey, e);
+                    continue;
+                }
+
+                final TestContextLongItem item = (TestContextLongItem) lTypeAlbum.get(nextLongKey);
+                final long value = item.getLongValue();
+                if (LOGGER.isTraceEnabled()) {
+                    LOGGER.trace("lock type=" + lockType + ", value=" + value);
+                }
+
+                try {
+                    lTypeAlbum.unlockForReading(nextLongKey);
+                } catch (final ContextException e) {
+                    LOGGER.error("could not release read lock on context album, key=" + nextLongKey, e);
+                }
+
+                continue;
+            }
+
+            if (lockType == 2) {
+                try {
+                    lTypeAlbum.lockForWriting(nextLongKey);
+                } catch (final ContextException e) {
+                    LOGGER.error("could not acquire write lock on context album, key=" + nextLongKey, e);
+                    continue;
+                }
+
+                final TestContextLongItem item = (TestContextLongItem) lTypeAlbum.get(nextLongKey);
+                long value = item.getLongValue();
+                if (LOGGER.isTraceEnabled()) {
+                    LOGGER.trace("lock type=" + lockType + ", value=" + value);
+                }
+                item.setLongValue(++value);
+                lTypeAlbum.put(nextLongKey, item);
+
+                try {
+                    lTypeAlbum.unlockForWriting(nextLongKey);
+                } catch (final ContextException e) {
+                    LOGGER.error("could not release write lock on context album, key=" + nextLongKey, e);
+                }
+                continue;
+            }
+        }
+
+        LOGGER.info("completed ConcurrentContextMetricsThread_" + jvm + "_" + instance);
+    }
+}