Refactoring Metrics test

Change-Id: I99290a3dec61b3ce0f4d5fd33d6b429d091b48ca
Issue-ID: POLICY-954
Signed-off-by: waqas.ikram <waqas.ikram@ericsson.com>

18 files changed, 818 insertions, 285 deletions

diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/distribution/ContextInstantiation.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/distribution/ContextInstantiation.java
index 03ef650da..888394be2 100644
--- a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/distribution/ContextInstantiation.java
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/distribution/ContextInstantiation.java
@@ -44,7 +44,6 @@ import static org.onap.policy.apex.context.test.utils.Constants.STRING_GLOBAL_VA
 import static org.onap.policy.apex.context.test.utils.Constants.STRING_VAL;
 import static org.onap.policy.apex.context.test.utils.Constants.TEST_POLICY_CONTEXT_ITEM;
 import static org.onap.policy.apex.context.test.utils.Constants.TIME_ZONE;
-import static org.onap.policy.apex.context.test.utils.Constants.USED_ARTIFACT_STACK_ARRAY;
 import static org.onap.policy.apex.context.test.utils.Constants.VERSION;
 
 import java.util.Collection;
@@ -79,6 +78,7 @@ import org.onap.policy.apex.context.test.concepts.TestExternalContextItem;
 import org.onap.policy.apex.context.test.concepts.TestGlobalContextItem;
 import org.onap.policy.apex.context.test.concepts.TestPolicyContextItem;
 import org.onap.policy.apex.context.test.factory.TestContextAlbumFactory;
+import org.onap.policy.apex.context.test.utils.Constants;
 import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
 import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult;
 import org.onap.policy.apex.model.contextmodel.concepts.AxContextModel;
@@ -129,7 +129,7 @@ public class ContextInstantiation {
                     contextDistributor.createContextAlbum(new AxArtifactKey(POLICY_CONTEXT_ALBUM, VERSION));
 
             assertNotNull(policyContextAlbum);
-            policyContextAlbum.setUserArtifactStack(USED_ARTIFACT_STACK_ARRAY);
+            policyContextAlbum.setUserArtifactStack(Constants.getAxArtifactKeyArray());
 
             final Date testDate = new Date();
 
@@ -204,7 +204,7 @@ public class ContextInstantiation {
             final AxArtifactKey axContextAlbumKey = new AxArtifactKey(EXTERNAL_CONTEXT_ALBUM, VERSION);
             final ContextAlbum externalContextAlbum = contextDistributor.createContextAlbum(axContextAlbumKey);
             assertNotNull(externalContextAlbum);
-            externalContextAlbum.setUserArtifactStack(USED_ARTIFACT_STACK_ARRAY);
+            externalContextAlbum.setUserArtifactStack(Constants.getAxArtifactKeyArray());
 
             externalContextAlbum.putAll(valueMap2);
             externalContextAlbum.getAlbumDefinition().setWritable(false);
@@ -363,7 +363,7 @@ public class ContextInstantiation {
         final ContextAlbum globalContextAlbum =
                 contextDistributor.createContextAlbum(new AxArtifactKey(GLOBAL_CONTEXT_ALBUM, VERSION));
         assertNotNull(globalContextAlbum);
-        globalContextAlbum.setUserArtifactStack(USED_ARTIFACT_STACK_ARRAY);
+        globalContextAlbum.setUserArtifactStack(Constants.getAxArtifactKeyArray());
         return globalContextAlbum;
     }
 
diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/distribution/ContextUpdate.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/distribution/ContextUpdate.java
index 75d559724..33100165b 100644
--- a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/distribution/ContextUpdate.java
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/distribution/ContextUpdate.java
@@ -31,8 +31,8 @@ import static org.onap.policy.apex.context.test.utils.Constants.EXCEPTION_MESSAG
 import static org.onap.policy.apex.context.test.utils.Constants.LONG_CONTEXT_ALBUM;
 import static org.onap.policy.apex.context.test.utils.Constants.MAP_CONTEXT_ALBUM;
 import static org.onap.policy.apex.context.test.utils.Constants.TIME_ZONE;
-import static org.onap.policy.apex.context.test.utils.Constants.USED_ARTIFACT_STACK_ARRAY;
 import static org.onap.policy.apex.context.test.utils.Constants.VERSION;
+import static org.onap.policy.apex.context.test.utils.Constants.getAxArtifactKeyArray;
 
 import java.io.IOException;
 import java.util.Date;
@@ -160,7 +160,7 @@ public class ContextUpdate {
         final ContextAlbum longContextAlbum =
                 contextDistributor.createContextAlbum(new AxArtifactKey(albumKey, VERSION));
         assertNotNull(longContextAlbum);
-        longContextAlbum.setUserArtifactStack(USED_ARTIFACT_STACK_ARRAY);
+        longContextAlbum.setUserArtifactStack(getAxArtifactKeyArray());
         return longContextAlbum;
     }
 
diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/distribution/SequentialContextInstantiation.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/distribution/SequentialContextInstantiation.java
index dbf5ab2c6..4041c079d 100644
--- a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/distribution/SequentialContextInstantiation.java
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/distribution/SequentialContextInstantiation.java
@@ -36,7 +36,6 @@ import static org.onap.policy.apex.context.test.utils.Constants.LONG_VAL;
 import static org.onap.policy.apex.context.test.utils.Constants.PI_VAL;
 import static org.onap.policy.apex.context.test.utils.Constants.STRING_GLOBAL_VAL;
 import static org.onap.policy.apex.context.test.utils.Constants.TIME_ZONE;
-import static org.onap.policy.apex.context.test.utils.Constants.USED_ARTIFACT_STACK_ARRAY;
 import static org.onap.policy.apex.context.test.utils.Constants.VERSION;
 
 import java.util.Collection;
@@ -63,6 +62,7 @@ import org.onap.policy.apex.context.test.concepts.TestContextIntItem;
 import org.onap.policy.apex.context.test.concepts.TestContextLongItem;
 import org.onap.policy.apex.context.test.concepts.TestContextLongObjectItem;
 import org.onap.policy.apex.context.test.concepts.TestContextStringItem;
+import org.onap.policy.apex.context.test.utils.Constants;
 import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
 import org.slf4j.ext.XLogger;
 import org.slf4j.ext.XLoggerFactory;
@@ -351,7 +351,7 @@ public class SequentialContextInstantiation {
             throws ContextException {
         final ContextAlbum dateAlbum = contextDistributor.createContextAlbum(new AxArtifactKey(albumName, VERSION));
         assertNotNull(dateAlbum);
-        dateAlbum.setUserArtifactStack(USED_ARTIFACT_STACK_ARRAY);
+        dateAlbum.setUserArtifactStack(Constants.getAxArtifactKeyArray());
         return dateAlbum;
     }
 
diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/AlbumModifier.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/AlbumModifier.java
new file mode 100644
index 000000000..24e633109
--- /dev/null
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/AlbumModifier.java
@@ -0,0 +1,29 @@
+/*-
+ * ============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=========================================================
+ */
+package org.onap.policy.apex.context.test.lock.modifier;
+
+import org.onap.policy.apex.context.ContextAlbum;
+import org.onap.policy.apex.context.ContextException;
+
+public interface AlbumModifier {
+
+    void modifyAlbum(final ContextAlbum contextAlbum, final int loopSize, final int arraySize) throws ContextException;
+
+}
diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/LockType.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/LockType.java
new file mode 100644
index 000000000..0dd0e7224
--- /dev/null
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/LockType.java
@@ -0,0 +1,77 @@
+/*-
+ * ============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=========================================================
+ */
+package org.onap.policy.apex.context.test.lock.modifier;
+
+import org.onap.policy.apex.context.ContextRuntimeException;
+
+public enum LockType {
+
+    NO_LOCK(0) {
+        @Override
+        public AlbumModifier getAlbumModifier() {
+            return NO_LOCK_MODIFER;
+        }
+    },
+    READ_LOCK(1) {
+        @Override
+        public AlbumModifier getAlbumModifier() {
+            return READ_LOCK_MODIFER;
+        }
+    },
+    WRITE_LOCK(2) {
+        @Override
+        public AlbumModifier getAlbumModifier() {
+            return WRITE_LOCK_MODIFER;
+        }
+    },
+    WRITE_LOCK_SINGLE_VALUE_UPDATE(3) {
+        @Override
+        public AlbumModifier getAlbumModifier() {
+            return WRITE_LOCK_SINGLE_VALUE_MODIFER;
+        }
+    };
+
+    private static final AlbumModifier NO_LOCK_MODIFER = new NoLockAlbumModifier();
+    private static final AlbumModifier READ_LOCK_MODIFER = new ReadLockAlbumModifier();
+    private static final AlbumModifier WRITE_LOCK_MODIFER = new WriteLockAlbumModifier();
+    private static final AlbumModifier WRITE_LOCK_SINGLE_VALUE_MODIFER = new SingleValueWriteLockAlbumModifier();
+
+    private final int value;
+
+    private LockType(final int value) {
+        this.value = value;
+    }
+
+    public int getValue() {
+        return value;
+    }
+
+    public static LockType getLockType(final int value) {
+        for (final LockType lockType : LockType.values()) {
+            if (lockType.getValue() == value) {
+                return lockType;
+            }
+        }
+        throw new ContextRuntimeException("Invalid Lock type value: " + value);
+    }
+
+    public abstract AlbumModifier getAlbumModifier();
+
+}
diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/NoLockAlbumModifier.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/NoLockAlbumModifier.java
new file mode 100644
index 000000000..b6ee1b8eb
--- /dev/null
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/NoLockAlbumModifier.java
@@ -0,0 +1,45 @@
+/*-
+ * ============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=========================================================
+ */
+package org.onap.policy.apex.context.test.lock.modifier;
+
+import java.util.Random;
+
+import org.onap.policy.apex.context.ContextAlbum;
+import org.onap.policy.apex.context.test.concepts.TestContextLongItem;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+public class NoLockAlbumModifier implements AlbumModifier {
+    private static final XLogger LOGGER = XLoggerFactory.getXLogger(NoLockAlbumModifier.class);
+
+    @Override
+    public void modifyAlbum(final ContextAlbum contextAlbum, final int loopSize, final int arraySize) {
+        final Random rand = new Random();
+        for (int i = 0; i < loopSize; i++) {
+            final String nextLongKey = Integer.toString(rand.nextInt(arraySize));
+            final TestContextLongItem item = (TestContextLongItem) contextAlbum.get(nextLongKey);
+            final long value = item.getLongValue();
+            if (LOGGER.isTraceEnabled()) {
+                LOGGER.trace("lock type={}, value={}", LockType.NO_LOCK, value);
+            }
+        }
+    }
+
+}
diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/ReadLockAlbumModifier.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/ReadLockAlbumModifier.java
new file mode 100644
index 000000000..57c6b7524
--- /dev/null
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/ReadLockAlbumModifier.java
@@ -0,0 +1,60 @@
+/*-
+ * ============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=========================================================
+ */
+package org.onap.policy.apex.context.test.lock.modifier;
+
+import java.util.Random;
+
+import org.onap.policy.apex.context.ContextAlbum;
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.context.test.concepts.TestContextLongItem;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+public class ReadLockAlbumModifier implements AlbumModifier {
+    private static final XLogger LOGGER = XLoggerFactory.getXLogger(ReadLockAlbumModifier.class);
+
+    @Override
+    public void modifyAlbum(final ContextAlbum contextAlbum, final int loopSize, final int arraySize) {
+        final Random rand = new Random();
+        for (int i = 0; i < loopSize; i++) {
+            final String nextLongKey = Integer.toString(rand.nextInt(arraySize));
+            try {
+                contextAlbum.lockForReading(nextLongKey);
+            } catch (final ContextException e) {
+                LOGGER.error("could not acquire read lock on context album, key=" + nextLongKey, e);
+                continue;
+            }
+
+            final TestContextLongItem item = (TestContextLongItem) contextAlbum.get(nextLongKey);
+            final long value = item.getLongValue();
+            if (LOGGER.isTraceEnabled()) {
+                LOGGER.trace("lock type={}, value={}", LockType.READ_LOCK, value);
+            }
+
+            try {
+                contextAlbum.unlockForReading(nextLongKey);
+            } catch (final ContextException e) {
+                LOGGER.error("could not release read lock on context album, key=" + nextLongKey, e);
+            }
+        }
+
+    }
+
+}
diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/SingleValueWriteLockAlbumModifier.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/SingleValueWriteLockAlbumModifier.java
new file mode 100644
index 000000000..a41de8dd7
--- /dev/null
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/SingleValueWriteLockAlbumModifier.java
@@ -0,0 +1,65 @@
+/*-
+ * ============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=========================================================
+ */
+package org.onap.policy.apex.context.test.lock.modifier;
+
+import static org.onap.policy.apex.context.test.utils.Constants.TEST_VALUE;
+
+import org.onap.policy.apex.context.ContextAlbum;
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.context.test.concepts.TestContextLongItem;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+public class SingleValueWriteLockAlbumModifier implements AlbumModifier {
+    private static final XLogger LOGGER = XLoggerFactory.getXLogger(SingleValueWriteLockAlbumModifier.class);
+
+
+    @Override
+    public void modifyAlbum(final ContextAlbum contextAlbum, final int loopSize, final int arraySize)
+            throws ContextException {
+        for (int i = 0; i < loopSize; i++) {
+            try {
+                contextAlbum.lockForWriting(TEST_VALUE);
+                TestContextLongItem item = (TestContextLongItem) contextAlbum.get(TEST_VALUE);
+                if (item != null) {
+                    long value = item.getLongValue();
+                    item.setLongValue(++value);
+                } else {
+                    item = new TestContextLongItem(0L);
+                }
+                contextAlbum.put(TEST_VALUE, item);
+            } finally {
+                contextAlbum.unlockForWriting(TEST_VALUE);
+            }
+        }
+
+        try {
+            contextAlbum.lockForWriting(TEST_VALUE);
+            final TestContextLongItem item = (TestContextLongItem) contextAlbum.get(TEST_VALUE);
+            final long value = item.getLongValue();
+            LOGGER.info("Value after modification: ", value);
+        } catch (final Exception e) {
+            LOGGER.error("could not read the value in the test context album", e);
+        } finally {
+            contextAlbum.unlockForWriting(TEST_VALUE);
+        }
+    }
+
+}
diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/WriteLockAlbumModifier.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/WriteLockAlbumModifier.java
new file mode 100644
index 000000000..09e280026
--- /dev/null
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/lock/modifier/WriteLockAlbumModifier.java
@@ -0,0 +1,63 @@
+/*-
+ * ============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=========================================================
+ */
+package org.onap.policy.apex.context.test.lock.modifier;
+
+import java.util.Random;
+
+import org.onap.policy.apex.context.ContextAlbum;
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.context.test.concepts.TestContextLongItem;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+public class WriteLockAlbumModifier implements AlbumModifier {
+    private static final XLogger LOGGER = XLoggerFactory.getXLogger(WriteLockAlbumModifier.class);
+
+
+    @Override
+    public void modifyAlbum(final ContextAlbum contextAlbum, final int loopSize, final int arraySize) {
+        final Random rand = new Random();
+        for (int i = 0; i < loopSize; i++) {
+            final String nextLongKey = Integer.toString(rand.nextInt(arraySize));
+            try {
+                contextAlbum.lockForWriting(nextLongKey);
+            } catch (final ContextException e) {
+                LOGGER.error("could not acquire write lock on context album, key=" + nextLongKey, e);
+                continue;
+            }
+
+            final TestContextLongItem item = (TestContextLongItem) contextAlbum.get(nextLongKey);
+            long value = item.getLongValue();
+            if (LOGGER.isTraceEnabled()) {
+                LOGGER.trace("lock type={}, value={}", LockType.WRITE_LOCK, value);
+            }
+            item.setLongValue(++value);
+            contextAlbum.put(nextLongKey, item);
+
+            try {
+                contextAlbum.unlockForWriting(nextLongKey);
+            } catch (final ContextException e) {
+                LOGGER.error("could not release write lock on context album, key=" + nextLongKey, e);
+            }
+        }
+
+    }
+
+}
diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/locking/ConcurrentContext.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/locking/ConcurrentContext.java
index b62364e9d..b373e9fa0 100644
--- a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/locking/ConcurrentContext.java
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/locking/ConcurrentContext.java
@@ -23,22 +23,20 @@ package org.onap.policy.apex.context.test.locking;
 import java.io.Closeable;
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
 import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
 
 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.context.test.utils.IntegrationThreadFactory;
+import org.onap.policy.apex.context.test.utils.ConfigrationProvider;
 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.handling.ApexModelException;
-import org.onap.policy.apex.model.contextmodel.concepts.AxContextModel;
 import org.slf4j.ext.XLogger;
 import org.slf4j.ext.XLoggerFactory;
 
@@ -55,24 +53,17 @@ public class ConcurrentContext {
     private Distributor contextDistributor = null;
     private ContextAlbum lTypeAlbum = null;
 
-    /**
-     * Test concurrent context.
-     *
-     * @param testType the test type
-     * @param jvmCount the jvm count
-     * @param threadCount the thread count
-     * @param threadLoops the thread loops
-     * @return the long
-     * @throws ApexModelException the apex model exception
-     * @throws IOException the IO exception
-     * @throws ApexException the apex exception
-     */
-    public long testConcurrentContext(final String testType, final int jvmCount, final int threadCount,
-            final int threadLoops) throws ApexModelException, IOException, ApexException {
-        final ConcurrentContext concurrentContext = new ConcurrentContext();
+    private final ConfigrationProvider configrationProvider;
+
+    public ConcurrentContext(final ConfigrationProvider configrationProvider) {
+        this.configrationProvider = configrationProvider;
+    }
+
+    public Map<String, TestContextLongItem> testConcurrentContext()
+            throws ApexModelException, IOException, ApexException {
 
         try {
-            concurrentContext.setupAndVerifyContext();
+            setupAndVerifyContext();
         } catch (final Exception exception) {
             LOGGER.error("Error occured while setting up and verifying concurrent context", exception);
             throw exception;
@@ -80,28 +71,25 @@ public class ConcurrentContext {
 
         LOGGER.debug("starting JVMs and threads . . .");
 
-        final String name = getThreadFactoryName(jvmCount, testType);
-        final IntegrationThreadFactory threadFactory = new IntegrationThreadFactory(name);
-        final ExecutorService executorService = Executors.newFixedThreadPool(threadCount, threadFactory);
+        final ExecutorService executorService = configrationProvider.getExecutorService();
 
-        final List<Closeable> tasks = new ArrayList<>(threadCount);
+        final List<Closeable> tasks = new ArrayList<>(configrationProvider.getThreadCount());
 
         addShutDownHook(tasks);
 
         // Check if we have a single JVM or multiple JVMs
-        if (jvmCount == 1) {
+        if (configrationProvider.getJvmCount() == 1) {
             // Run everything in this JVM
-            for (int t = 0; t < threadCount; t++) {
-                final ConcurrentContextThread task = new ConcurrentContextThread(0, t, threadLoops);
+            for (int t = 0; t < configrationProvider.getThreadCount(); t++) {
+                final ConcurrentContextThread task = new ConcurrentContextThread(0, t, configrationProvider);
                 tasks.add(task);
                 executorService.execute(task);
             }
 
         } else {
             // Spawn JVMs to run the tests
-            for (int j = 0; j < jvmCount; j++) {
-                final ConcurrentContextJVMThread task =
-                        new ConcurrentContextJVMThread(testType, j, threadCount, threadLoops);
+            for (int j = 0; j < configrationProvider.getJvmCount(); j++) {
+                final ConcurrentContextJVMThread task = new ConcurrentContextJVMThread(j, configrationProvider);
                 tasks.add(task);
                 executorService.execute(task);
             }
@@ -120,7 +108,7 @@ public class ConcurrentContext {
         LOGGER.info("Shutting down now ...");
         executorService.shutdownNow();
 
-        return concurrentContext.verifyAndClearContext(jvmCount, threadCount, threadLoops);
+        return verifyAndClearContext();
     }
 
 
@@ -140,85 +128,34 @@ public class ConcurrentContext {
         });
     }
 
-
-    private String getThreadFactoryName(final int jvmCount, final String testType) {
-        return jvmCount == 1 ? testType + ":TestConcurrentContextThread_0_"
-                : testType + ":TestConcurrentContextJVMThread_";
-    }
-
     /**
      * Setup and verify context.
      *
      * @throws ContextException the context exception
      */
     private void setupAndVerifyContext() throws ContextException {
-        final AxArtifactKey distributorKey = new AxArtifactKey("ApexDistributor", "0.0.1");
-        contextDistributor = new DistributorFactory().getDistributor(distributorKey);
-
-        // @formatter:off
-        final AxArtifactKey[] usedArtifactStackArray = {
-                new AxArtifactKey("testC-top", "0.0.1"),
-                new AxArtifactKey("testC-next", "0.0.1"),
-                new AxArtifactKey("testC-bot", "0.0.1")
-                };
-        // @formatter:on
-
-        final AxContextModel albumsModel = TestContextAlbumFactory.createMultiAlbumsContextModel();
-        contextDistributor.registerModel(albumsModel);
-
-        lTypeAlbum = contextDistributor.createContextAlbum(new AxArtifactKey("LTypeContextAlbum", "0.0.1"));
-        assert (lTypeAlbum != null);
-        lTypeAlbum.setUserArtifactStack(usedArtifactStackArray);
-
-        // CHECKSTYLE:OFF: checkstyle:magicNumber
-        lTypeAlbum.put("lTypeValue0", new TestContextLongItem(0xFFFFFFFFFFFFFFFFL));
-        lTypeAlbum.put("lTypeValue1", new TestContextLongItem(0xFFFFFFFFFFFFFFFEL));
-        lTypeAlbum.put("lTypeValue2", new TestContextLongItem(0xFFFFFFFFFFFFFFFDL));
-        lTypeAlbum.put("lTypeValue3", new TestContextLongItem(0xFFFFFFFFFFFFFFFCL));
-        lTypeAlbum.put("lTypeValue4", new TestContextLongItem(0xFFFFFFFFFFFFFFFBL));
-        lTypeAlbum.put("lTypeValue5", new TestContextLongItem(0xFFFFFFFFFFFFFFFAL));
-        lTypeAlbum.put("lTypeValue6", new TestContextLongItem(0xFFFFFFFFFFFFFFF9L));
-        lTypeAlbum.put("lTypeValue7", new TestContextLongItem(0xFFFFFFFFFFFFFFF8L));
-        lTypeAlbum.put("lTypeValue8", new TestContextLongItem(0xFFFFFFFFFFFFFFF7L));
-        lTypeAlbum.put("lTypeValue9", new TestContextLongItem(0xFFFFFFFFFFFFFFF6L));
-        lTypeAlbum.put("lTypeValueA", new TestContextLongItem(0xFFFFFFFFFFFFFFF5L));
-        lTypeAlbum.put("lTypeValueB", new TestContextLongItem(0xFFFFFFFFFFFFFFF4L));
-        lTypeAlbum.put("lTypeValueC", new TestContextLongItem(0xFFFFFFFFFFFFFFF3L));
-        lTypeAlbum.put("lTypeValueD", new TestContextLongItem(0xFFFFFFFFFFFFFFF2L));
-        lTypeAlbum.put("lTypeValueE", new TestContextLongItem(0xFFFFFFFFFFFFFFF1L));
-        lTypeAlbum.put("lTypeValueF", new TestContextLongItem(0xFFFFFFFFFFFFFFF0L));
-        LOGGER.debug(lTypeAlbum.toString());
-        assert (lTypeAlbum.size() >= 16);
-        // CHECKSTYLE:ON: checkstyle:magicNumber
-
-        // The initial value for concurrent testing
-        final TestContextLongItem item = new TestContextLongItem(0L);
-        lTypeAlbum.put("testValue", item);
+        contextDistributor = configrationProvider.getDistributor();
+        lTypeAlbum = configrationProvider.getContextAlbum(contextDistributor);
+        final Map<String, Object> initValues = configrationProvider.getContextAlbumInitValues();
 
+        for (final Entry<String, Object> entry : initValues.entrySet()) {
+            lTypeAlbum.put(entry.getKey(), entry.getValue());
+        }
     }
 
-    /**
-     * Verify and clear context.
-     *
-     * @param jvmCount the jvm count
-     * @param threadCount the thread count
-     * @param threadLoops the thread loops
-     * @return the long
-     * @throws ContextException the context exception
-     */
-    private long verifyAndClearContext(final int jvmCount, final int threadCount, final int threadLoops)
-            throws ContextException {
+    private Map<String, TestContextLongItem> verifyAndClearContext() throws ContextException {
+        final Map<String, TestContextLongItem> values = new HashMap<>();
         try {
-            LOGGER.debug("threads finished, end value is {}",
-                    ((TestContextLongItem) lTypeAlbum.get("testValue")).getLongValue());
+
+            for (Entry<String, Object> entry : lTypeAlbum.entrySet()) {
+                values.put(entry.getKey(), (TestContextLongItem) entry.getValue());
+            }
         } catch (final Exception exception) {
             LOGGER.error("Error: ", exception);
         }
-        final long total = ((TestContextLongItem) lTypeAlbum.get("testValue")).getLongValue();
-
         contextDistributor.clear();
         contextDistributor = null;
 
-        return total;
+        return values;
     }
 }
diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/locking/ConcurrentContextJVM.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/locking/ConcurrentContextJVM.java
index e2a6b0da0..fc1c830e7 100644
--- a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/locking/ConcurrentContextJVM.java
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/locking/ConcurrentContextJVM.java
@@ -30,20 +30,19 @@ import java.util.List;
 import java.util.Map.Entry;
 import java.util.TreeSet;
 import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
 
 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.context.test.utils.IntegrationThreadFactory;
+import org.onap.policy.apex.context.test.utils.ConfigrationProvider;
+import org.onap.policy.apex.context.test.utils.ConfigrationProviderImpl;
+import org.onap.policy.apex.context.test.utils.Constants;
 import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
+import org.onap.policy.apex.model.basicmodel.concepts.ApexRuntimeException;
 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.slf4j.ext.XLogger;
 import org.slf4j.ext.XLoggerFactory;
 
@@ -62,55 +61,29 @@ public final class ConcurrentContextJVM {
 
     private final int jvmNo;
 
-    private final int threadCount;
-
-    private final int threadLoops;
-
     private final ExecutorService executorService;
 
-    /**
-     * The Constructor.
-     *
-     * @param testType the test type
-     * @param jvmNo the jvm no
-     * @param threadCount the thread count
-     * @param threadLoops the thread loops
-     * @throws ApexException the apex exception
-     */
-    private ConcurrentContextJVM(final String testType, final int jvmNo, final int threadCount, final int threadLoops) {
+    private final ConfigrationProvider configrationProvider;
+
+    private ConcurrentContextJVM(final int jvmNo, final ConfigrationProvider configrationProvider) {
         this.jvmNo = jvmNo;
-        this.threadCount = threadCount;
-        this.threadLoops = threadLoops;
-        final String name = testType + ":ConcurrentContextThread_" + jvmNo;
-        this.executorService = Executors.newFixedThreadPool(threadCount, new IntegrationThreadFactory(name));
+        this.configrationProvider = configrationProvider;
+        final String name = configrationProvider.getTestName() + ":ConcurrentContextThread_" + jvmNo;
+        this.executorService = configrationProvider.getExecutorService(name, configrationProvider.getThreadCount());
     }
 
     public void execute() throws ApexException {
         LOGGER.debug("starting JVMs and threads . . .");
 
         final AxArtifactKey distributorKey = new AxArtifactKey("ApexDistributor" + jvmNo, "0.0.1");
-        final Distributor contextDistributor = new DistributorFactory().getDistributor(distributorKey);
-
-        // @formatter:off
-        final AxArtifactKey[] usedArtifactStackArray = {
-                new AxArtifactKey("testC-top", "0.0.1"),
-                new AxArtifactKey("testC-next", "0.0.1"),
-                new AxArtifactKey("testC-bot", "0.0.1")
-                };
-        // @formatter:on
-
-        final AxContextModel albumsModel = TestContextAlbumFactory.createMultiAlbumsContextModel();
-        contextDistributor.registerModel(albumsModel);
+        final Distributor distributor = configrationProvider.getDistributor(distributorKey);
+        final ContextAlbum contextAlbum = configrationProvider.getContextAlbum(distributor);
+        assert (contextAlbum != null);
 
-        final ContextAlbum lTypeAlbum =
-                contextDistributor.createContextAlbum(new AxArtifactKey("LTypeContextAlbum", "0.0.1"));
-        assert (lTypeAlbum != null);
-        lTypeAlbum.setUserArtifactStack(usedArtifactStackArray);
+        final List<Future<?>> tasks = new ArrayList<>(configrationProvider.getThreadCount());
 
-        final List<Future<?>> tasks = new ArrayList<>(threadCount);
-
-        for (int t = 0; t < threadCount; t++) {
-            tasks.add(executorService.submit(new ConcurrentContextThread(jvmNo, t, threadLoops)));
+        for (int t = 0; t < configrationProvider.getThreadCount(); t++) {
+            tasks.add(executorService.submit(new ConcurrentContextThread(jvmNo, t, configrationProvider)));
         }
 
         try {
@@ -123,8 +96,8 @@ public final class ConcurrentContextJVM {
             Thread.currentThread().interrupt();
         }
 
-        LOGGER.debug("threads finished, end value is {}", lTypeAlbum.get("testValue"));
-        contextDistributor.clear();
+        LOGGER.debug("threads finished, end value is {}", contextAlbum.get(Constants.TEST_VALUE));
+        distributor.clear();
         LOGGER.info("Shutting down now ... ");
         executorService.shutdownNow();
     }
@@ -145,49 +118,25 @@ public final class ConcurrentContextJVM {
         // CHECKSTYLE:OFF: checkstyle:magicNumber
 
         // An even number of arguments greater than 3
-        if (args.length < 7) {
+        if (args.length < 9) {
             LOGGER.error("invalid arguments: " + Arrays.toString(args));
             LOGGER.error(
-                    "usage: TestConcurrentContextJVM testType jvmNo threadCount threadLoops [parameterKey parameterJson].... ");
-            return;
-        }
-
-        int jvmNo = -1;
-        int threadCount = -1;
-        int threadLoops = -1;
-        String hazelCastfileLocation = null;
-
-        try {
-            jvmNo = Integer.parseInt(args[1]);
-        } catch (final Exception e) {
-            LOGGER.error("invalid argument jvmNo", e);
-            return;
-        }
-
-        try {
-            threadCount = Integer.parseInt(args[2]);
-        } catch (final Exception e) {
-            LOGGER.error("invalid argument threadCount", e);
+                    "usage: TestConcurrentContextJVM testType jvmNo threadCount threadLoops albumSize lockType [parameterKey parameterJson].... ");
             return;
         }
 
-        try {
-            threadLoops = Integer.parseInt(args[3]);
-        } catch (final Exception e) {
-            LOGGER.error("invalid argument threadLoops", e);
-            return;
-        }
 
-        try {
-            hazelCastfileLocation = args[4].trim();
-        } catch (final Exception e) {
-            LOGGER.error("invalid argument hazelcast file location", e);
-            return;
-        }
+        final String testName = getStringValue("testType", args, 0);
+        final int jvmNo = getIntValue("jvmNo", args, 1);
+        final int threadCount = getIntValue("threadCount", args, 2);
+        final int threadLoops = getIntValue("threadLoops", args, 3);
+        final int albumSize = getIntValue("albumSize", args, 4);
+        final int lockType = getIntValue("lockType", args, 5);
+        final String hazelCastfileLocation = getStringValue("hazelcast file location", args, 6);;
 
         System.setProperty("hazelcast.config", hazelCastfileLocation);
 
-        for (int p = 5; p < args.length - 1; p += 2) {
+        for (int p = 7; p < args.length - 1; p += 2) {
             @SuppressWarnings("rawtypes")
             final Class parametersClass = Class.forName(args[p]);
             final AbstractParameters parameters =
@@ -201,8 +150,9 @@ public final class ConcurrentContextJVM {
         }
 
         try {
-            final ConcurrentContextJVM concurrentContextJVM =
-                    new ConcurrentContextJVM(args[0], jvmNo, threadCount, threadLoops);
+            final ConfigrationProvider configrationProvider =
+                    new ConfigrationProviderImpl(testName, 1, threadCount, threadLoops, albumSize, lockType);
+            final ConcurrentContextJVM concurrentContextJVM = new ConcurrentContextJVM(jvmNo, configrationProvider);
             concurrentContextJVM.execute();
 
         } catch (final Exception e) {
@@ -211,9 +161,30 @@ public final class ConcurrentContextJVM {
         }
         // CHECKSTYLE:ON: checkstyle:magicNumber
 
+    }
 
+    private static String getStringValue(final String key, final String[] args, final int position) {
+        try {
+            return args[position];
+        } catch (final Exception e) {
+            final String msg = "invalid argument " + key;
+            LOGGER.error(msg, e);
+            throw new ApexRuntimeException(msg, e);
+        }
     }
 
+    private static int getIntValue(final String key, final String[] args, final int position) {
+        final String value = getStringValue(key, args, position);
+        try {
+            return Integer.parseInt(value);
+        } catch (final Exception e) {
+            final String msg = "Expects number found " + value;
+            LOGGER.error(msg, e);
+            throw new ApexRuntimeException(msg, e);
+        }
+    }
+
+
     /**
      * This method setus up any static configuration required by the JVM.
      *
diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/locking/ConcurrentContextJVMThread.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/locking/ConcurrentContextJVMThread.java
index 995772f05..049754802 100644
--- a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/locking/ConcurrentContextJVMThread.java
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/locking/ConcurrentContextJVMThread.java
@@ -22,14 +22,13 @@ package org.onap.policy.apex.context.test.locking;
 
 import java.io.BufferedReader;
 import java.io.Closeable;
-import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map.Entry;
 
-import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
+import org.onap.policy.apex.context.test.utils.ConfigrationProvider;
 import org.onap.policy.apex.model.basicmodel.service.AbstractParameters;
 import org.onap.policy.apex.model.basicmodel.service.ParameterService;
 import org.slf4j.ext.XLogger;
@@ -46,27 +45,13 @@ public class ConcurrentContextJVMThread implements Runnable, Closeable {
     // Logger for this class
     private static final XLogger LOGGER = XLoggerFactory.getXLogger(ConcurrentContextJVMThread.class);
 
-    private final String testType;
     private final int jvm;
-    private final int threadCount;
-    private final int target;
+    private final ConfigrationProvider configrationProvider;
     private Process process = null;
 
-    /**
-     * The Constructor.
-     *
-     * @param testType the test type
-     * @param jvm the jvm
-     * @param threadCount the thread count
-     * @param target the target
-     * @throws ApexException the apex exception
-     */
-    public ConcurrentContextJVMThread(final String testType, final int jvm, final int threadCount, final int target)
-            throws ApexException {
-        this.testType = testType;
+    public ConcurrentContextJVMThread(final int jvm, final ConfigrationProvider configrationProvider) {
         this.jvm = jvm;
-        this.threadCount = threadCount;
-        this.target = target;
+        this.configrationProvider = configrationProvider;
     }
 
     /*
@@ -84,11 +69,13 @@ public class ConcurrentContextJVMThread implements Runnable, Closeable {
         commandList.add("-cp");
         commandList.add(System.getProperty("java.class.path"));
         commandList.add(ConcurrentContextJVM.class.getCanonicalName());
-        commandList.add(testType);
+        commandList.add(configrationProvider.getTestName());
         commandList.add(new Integer(jvm).toString());
-        commandList.add(new Integer(threadCount).toString());
-        commandList.add(new Integer(target).toString());
-        commandList.add(System.getProperty("hazelcast.config"));
+        commandList.add(new Integer(configrationProvider.getThreadCount()).toString());
+        commandList.add(new Integer(configrationProvider.getLoopSize()).toString());
+        commandList.add(new Integer(configrationProvider.getAlbumSize()).toString());
+        commandList.add(new Integer(configrationProvider.getLockType().getValue()).toString());
+        commandList.add(System.getProperty("hazelcast.config", ""));
 
         for (final Entry<Class<?>, AbstractParameters> parameterServiceEntry : ParameterService.getAll()) {
             commandList.add(parameterServiceEntry.getKey().getCanonicalName());
@@ -101,7 +88,6 @@ public class ConcurrentContextJVMThread implements Runnable, Closeable {
         final ProcessBuilder processBuilder = new ProcessBuilder(commandList);
         processBuilder.redirectErrorStream(true);
 
-
         try {
             process = processBuilder.start();
 
@@ -122,7 +108,7 @@ public class ConcurrentContextJVMThread implements Runnable, Closeable {
                 LOGGER.warn("Thread was interrupted");
                 Thread.currentThread().interrupt();
             }
-        } catch (final IOException ioException) {
+        } catch (final Exception ioException) {
             LOGGER.error("Error occured while writing JVM Output for command ", ioException);
         }
     }
diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/locking/ConcurrentContextThread.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/locking/ConcurrentContextThread.java
index 75a704557..726880f3b 100644
--- a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/locking/ConcurrentContextThread.java
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/locking/ConcurrentContextThread.java
@@ -25,13 +25,10 @@ import java.io.Closeable;
 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.parameters.ContextParameters;
-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.context.test.lock.modifier.AlbumModifier;
+import org.onap.policy.apex.context.test.utils.ConfigrationProvider;
 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;
 
@@ -41,33 +38,25 @@ import org.slf4j.ext.XLoggerFactory;
  * @author Liam Fallon (liam.fallon@ericsson.com)
  */
 public class ConcurrentContextThread implements Runnable, Closeable {
-    private static final String VALUE = "testValue";
     // Logger for this class
     private static final XLogger LOGGER = XLoggerFactory.getXLogger(ConcurrentContextThread.class);
-    private final Distributor distributor;
     private final int jvm;
     private final int instance;
-    private final int threadLoops;
+    private final ConfigrationProvider configrationProvider;
 
     /**
      * The Constructor.
      *
      * @param jvm the jvm
      * @param instance the instance
-     * @param threadLoops the thread loops
-     * @throws ApexException the apex exception
+     * @param configrationProvider the configuration provider
      */
-    public ConcurrentContextThread(final int jvm, final int instance, final int threadLoops) throws ApexException {
+    public ConcurrentContextThread(final int jvm, final int instance, final ConfigrationProvider configrationProvider) {
         this.jvm = jvm;
         this.instance = instance;
-        this.threadLoops = threadLoops;
-
-        final AxArtifactKey distributorKey = new AxArtifactKey("ApexDistributor_" + jvm + "_" + instance, "0.0.1");
+        this.configrationProvider = configrationProvider;
 
         new ContextParameters();
-        distributor = new DistributorFactory().getDistributor(distributorKey);
-        final AxContextModel albumsModel = TestContextAlbumFactory.createMultiAlbumsContextModel();
-        distributor.registerModel(albumsModel);
     }
 
     /*
@@ -79,72 +68,30 @@ public class ConcurrentContextThread implements Runnable, Closeable {
     public void run() {
         LOGGER.info("running TestConcurrentContextThread_" + jvm + "_" + instance + " . . .");
 
-        ContextAlbum lTypeAlbum = null;
-
-        try {
-            lTypeAlbum = distributor.createContextAlbum(new AxArtifactKey("LTypeContextAlbum", "0.0.1"));
-        } catch (final Exception e) {
-            LOGGER.error("could not get the test context album", e);
-            LOGGER.error("failed TestConcurrentContextThread_" + jvm + "_" + instance);
-            return;
-        }
-
-        if (lTypeAlbum == null) {
-            LOGGER.error("could not find the test context album");
-            LOGGER.error("failed TestConcurrentContextThread_" + jvm + "_" + instance);
-            return;
-        }
-
-        // @formatter:off
-        final AxArtifactKey[] usedArtifactStackArray = {new AxArtifactKey("testC-top", "0.0.1"),
-                new AxArtifactKey("testC-next", "0.0.1"), new AxArtifactKey("testC-bot", "0.0.1")};
-        // @formatter:on
 
-        lTypeAlbum.setUserArtifactStack(usedArtifactStackArray);
+        final AxArtifactKey distributorKey = new AxArtifactKey("ApexDistributor_" + jvm + "_" + instance, "0.0.1");
+        final Distributor distributor = configrationProvider.getDistributor(distributorKey);
 
         try {
-            updateAlbum(lTypeAlbum);
-        } catch (final Exception exception) {
-            LOGGER.error("could not set the value in the test context album", exception);
-            LOGGER.error("failed TestConcurrentContextThread_" + jvm + "_" + instance);
-            return;
-        }
+            final long startTime = System.currentTimeMillis();
+            final ContextAlbum contextAlbum = configrationProvider.getContextAlbum(distributor);
+
+            final AlbumModifier albumModifier = configrationProvider.getAlbumModifier();
+            albumModifier.modifyAlbum(contextAlbum, configrationProvider.getLoopSize(),
+                    configrationProvider.getAlbumSize());
+            LOGGER.info("Took {} ms to modify album", (System.currentTimeMillis() - startTime));
 
-        try {
-            lTypeAlbum.lockForWriting(VALUE);
-            final TestContextLongItem item = (TestContextLongItem) lTypeAlbum.get(VALUE);
-            final long value = item.getLongValue();
-            LOGGER.info("completed TestConcurrentContextThread_" + jvm + "_" + instance + ", value=" + value);
         } catch (final Exception e) {
-            LOGGER.error("could not read the value in the test context album", e);
-            LOGGER.error("failed TestConcurrentContextThread_" + jvm + "_" + instance);
+            LOGGER.error("Unexpected error occured while processing", e);
         } finally {
             try {
-                lTypeAlbum.unlockForWriting(VALUE);
                 distributor.shutdown();
             } catch (final ContextException e) {
-                LOGGER.error("could not unlock test context album item", e);
-                LOGGER.error("failed TestConcurrentContextThread_" + jvm + "_" + instance);
+                LOGGER.error("Unable to shutdown distributor", e);
             }
         }
-    }
+        LOGGER.info("finished TestConcurrentContextThread_" + jvm + "_" + instance + " . . .");
 
-    private void updateAlbum(final ContextAlbum lTypeAlbum) throws Exception {
-        for (int i = 0; i < threadLoops; i++) {
-            try {
-                lTypeAlbum.lockForWriting(VALUE);
-                TestContextLongItem item = (TestContextLongItem) lTypeAlbum.get(VALUE);
-                if (item != null) {
-                    long value = item.getLongValue();
-                    item.setLongValue(++value);
-                } else {
-                    item = new TestContextLongItem(0L);
-                }
-                lTypeAlbum.put(VALUE, item);
-            } finally {
-                lTypeAlbum.unlockForWriting(VALUE);
-            }
-        }
     }
 
     @Override
diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/utils/ConfigrationProvider.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/utils/ConfigrationProvider.java
new file mode 100644
index 000000000..d17f32269
--- /dev/null
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/utils/ConfigrationProvider.java
@@ -0,0 +1,63 @@
+/*-
+ * ============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=========================================================
+ */
+package org.onap.policy.apex.context.test.utils;
+
+import java.util.Map;
+import java.util.concurrent.ExecutorService;
+
+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.test.lock.modifier.AlbumModifier;
+import org.onap.policy.apex.context.test.lock.modifier.LockType;
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+
+public interface ConfigrationProvider {
+
+    String getTestName();
+
+    int getLoopSize();
+
+    int getThreadCount();
+
+    int getJvmCount();
+
+    int getAlbumSize();
+
+    ExecutorService getExecutorService();
+
+    ExecutorService getExecutorService(final String threadFactoryName, final int threadPoolSize);
+
+    Distributor getDistributor(final AxArtifactKey key);
+
+    Distributor getDistributor();
+
+    ContextAlbum getContextAlbum(final Distributor distributor);
+
+    ContextAlbum getContextAlbum(final Distributor distributor, AxArtifactKey axContextAlbumKey,
+            AxArtifactKey[] artifactKeys) throws ContextException;
+
+    Map<String, Object> getContextAlbumInitValues();
+
+    AlbumModifier getAlbumModifier();
+
+    LockType getLockType();
+
+}
diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/utils/ConfigrationProviderImpl.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/utils/ConfigrationProviderImpl.java
new file mode 100644
index 000000000..50429099e
--- /dev/null
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/utils/ConfigrationProviderImpl.java
@@ -0,0 +1,166 @@
+/*-
+ * ============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=========================================================
+ */
+package org.onap.policy.apex.context.test.utils;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+import org.onap.policy.apex.context.ContextAlbum;
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.context.ContextRuntimeException;
+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.context.test.lock.modifier.AlbumModifier;
+import org.onap.policy.apex.context.test.lock.modifier.LockType;
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+import org.onap.policy.apex.model.contextmodel.concepts.AxContextModel;
+import org.onap.policy.apex.model.utilities.Assertions;
+
+public class ConfigrationProviderImpl implements ConfigrationProvider {
+
+    private final String testType;
+    private final int jvmCount;
+    private final int threadCount;
+    private final int loopSize;
+    private final int albumSize;
+    private final LockType lockType;
+
+    public ConfigrationProviderImpl(final String testType, final int jvmCount, final int threadCount,
+            final int loopSize, final int albumSize, final int lockType) {
+        this.testType = testType;
+        this.jvmCount = jvmCount;
+        this.threadCount = threadCount;
+        this.loopSize = loopSize;
+        this.albumSize = albumSize;
+        this.lockType = LockType.getLockType(lockType);
+    }
+
+    @Override
+    public String getTestName() {
+        return testType;
+    }
+
+    @Override
+    public int getLoopSize() {
+        return loopSize;
+    }
+
+    @Override
+    public int getThreadCount() {
+        return threadCount;
+    }
+
+    @Override
+    public int getJvmCount() {
+        return jvmCount;
+    }
+
+    @Override
+    public int getAlbumSize() {
+        return albumSize;
+    }
+
+    @Override
+    public ExecutorService getExecutorService() {
+        final String name = getThreadFactoryName(jvmCount, testType);
+        final IntegrationThreadFactory threadFactory = new IntegrationThreadFactory(name);
+        final ExecutorService executorService = Executors.newFixedThreadPool(threadCount, threadFactory);
+        return executorService;
+    }
+
+    @Override
+    public ExecutorService getExecutorService(final String threadFactoryName, final int threadPoolSize) {
+        final IntegrationThreadFactory threadFactory = new IntegrationThreadFactory(threadFactoryName);
+        final ExecutorService executorService = Executors.newFixedThreadPool(threadPoolSize, threadFactory);
+        return executorService;
+    }
+
+    @Override
+    public Distributor getDistributor(final AxArtifactKey key) {
+        try {
+            return new DistributorFactory().getDistributor(key);
+        } catch (ContextException e) {
+            throw new ContextRuntimeException("Unable to create Distributor", e);
+        }
+    }
+
+    @Override
+    public Distributor getDistributor() {
+        final AxArtifactKey distributorKey = new AxArtifactKey("ApexDistributor", "0.0.1");
+        return getDistributor(distributorKey);
+    }
+
+    @Override
+    public ContextAlbum getContextAlbum(final Distributor distributor) {
+        return getContextAlbum(distributor, Constants.L_TYPE_CONTEXT_ALBUM, Constants.getAxArtifactKeyArray());
+    }
+
+    @Override
+    public ContextAlbum getContextAlbum(final Distributor distributor, final AxArtifactKey axContextAlbumKey,
+            final AxArtifactKey[] artifactKeys) {
+        final AxContextModel axContextModel = TestContextAlbumFactory.createMultiAlbumsContextModel();
+        try {
+            distributor.registerModel(axContextModel);
+            final ContextAlbum contextAlbum = distributor.createContextAlbum(axContextAlbumKey);
+            Assertions.argumentNotNull(contextAlbum, "ContextAlbum should not be null");
+            contextAlbum.setUserArtifactStack(artifactKeys);
+            return contextAlbum;
+        } catch (ContextException e) {
+            throw new ContextRuntimeException("Unable to create ContextAlbum", e);
+        }
+    }
+
+    @Override
+    public Map<String, Object> getContextAlbumInitValues() {
+        final Map<String, Object> values = new HashMap<>();
+        for (int i = 0; i < albumSize; i++) {
+            values.put(Integer.toString(i), new TestContextLongItem(0l));
+        }
+        return values;
+    }
+
+    @Override
+    public AlbumModifier getAlbumModifier() {
+        return lockType.getAlbumModifier();
+    }
+
+    @Override
+    public LockType getLockType() {
+        return lockType;
+    }
+
+
+    private String getThreadFactoryName(final int jvmCount, final String testType) {
+        return jvmCount == 1 ? testType + ":TestConcurrentContextThread_0_"
+                : testType + ":TestConcurrentContextJVMThread_";
+    }
+
+    @Override
+    public String toString() {
+        return "ConfigrationProviderImpl [testType=" + testType + ", jvmCount=" + jvmCount + ", threadCount="
+                + threadCount + ", loopSize=" + loopSize + ", albumSize=" + albumSize + ", lockType=" + lockType + "]";
+    }
+
+
+}
diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/utils/Constants.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/utils/Constants.java
index 79687139a..933c68b11 100644
--- a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/utils/Constants.java
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/utils/Constants.java
@@ -52,14 +52,17 @@ public class Constants {
     public static final String TEST_POLICY_CONTEXT_ITEM = TestPolicyContextItem.class.getName();
     public static final TimeZone TIME_ZONE = TimeZone.getTimeZone("Europe/Dublin");
 
+    public static final AxArtifactKey L_TYPE_CONTEXT_ALBUM = new AxArtifactKey("LTypeContextAlbum", VERSION);
+    public static final String TEST_VALUE = "testValue";
+
     private static final AxArtifactKey KEY = new AxArtifactKey("testC-top", VERSION);
     private static final AxArtifactKey KEY3 = new AxArtifactKey("testC-bot", VERSION);
     private static final AxArtifactKey KEY2 = new AxArtifactKey("testC-next", VERSION);
 
-    public static final AxArtifactKey[] USED_ARTIFACT_STACK_ARRAY = getAxArtifactKeyArray();
+    private static final AxArtifactKey[] USED_ARTIFACT_STACK_ARRAY = new AxArtifactKey[] {KEY, KEY2, KEY3};;
 
-    private static AxArtifactKey[] getAxArtifactKeyArray() {
-        return new AxArtifactKey[] {KEY, KEY2, KEY3};
+    public static final AxArtifactKey[] getAxArtifactKeyArray() {
+        return USED_ARTIFACT_STACK_ARRAY;
     }
 
     private Constants() {}
diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/utils/NetworkUtils.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/utils/NetworkUtils.java
new file mode 100644
index 000000000..01331f2a7
--- /dev/null
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/utils/NetworkUtils.java
@@ -0,0 +1,58 @@
+/*-
+ * ============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=========================================================
+ */
+package org.onap.policy.apex.context.test.utils;
+
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.SocketException;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.TreeSet;
+
+public class NetworkUtils {
+
+    private NetworkUtils() {}
+
+    /**
+     * The JGroups IP address must be set to a real (not loopback) IP address for Infinispan to
+     * work. In order to ensure that all the JVMs in a test pick up the same IP address, this
+     * function sets the address to be the first non-loopback IPv4 address on a host
+     * 
+     * @return Set of IPv4 addresses
+     * @throws SocketException
+     */
+    public static TreeSet<String> getIPv4NonLoopAddresses() throws SocketException {
+        final TreeSet<String> ipAddressSet = new TreeSet<String>();
+
+        final Enumeration<NetworkInterface> nets = NetworkInterface.getNetworkInterfaces();
+        for (final NetworkInterface netint : Collections.list(nets)) {
+            final Enumeration<InetAddress> inetAddresses = netint.getInetAddresses();
+            for (final InetAddress inetAddress : Collections.list(inetAddresses)) {
+                // Look for real IPv4 internet addresses
+                if (!inetAddress.isLoopbackAddress() && inetAddress.getAddress().length == 4) {
+                    ipAddressSet.add(inetAddress.getHostAddress());
+                }
+            }
+        }
+        return ipAddressSet;
+    }
+
+
+}
diff --git a/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/utils/ZooKeeperServerServiceProvider.java b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/utils/ZooKeeperServerServiceProvider.java
new file mode 100644
index 000000000..67bb8878b
--- /dev/null
+++ b/context/context-test-utils/src/main/java/org/onap/policy/apex/context/test/utils/ZooKeeperServerServiceProvider.java
@@ -0,0 +1,63 @@
+/*-
+ * ============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=========================================================
+ */
+package org.onap.policy.apex.context.test.utils;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.InetSocketAddress;
+
+import org.apache.zookeeper.server.NIOServerCnxnFactory;
+import org.apache.zookeeper.server.ZooKeeperServer;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+public class ZooKeeperServerServiceProvider {
+    private static final XLogger LOGGER = XLoggerFactory.getXLogger(ZooKeeperServerServiceProvider.class);
+
+    private NIOServerCnxnFactory zookeeperFactory;
+    private File zookeeperDirectory;
+    private InetSocketAddress addr;
+
+    public ZooKeeperServerServiceProvider(final File zookeeperDirectory, final InetSocketAddress addr) {
+        this.zookeeperDirectory = zookeeperDirectory;
+        this.addr = addr;
+    }
+
+    public ZooKeeperServerServiceProvider(final File zookeeperDirectory, final String addr, final int port) {
+        this.zookeeperDirectory = zookeeperDirectory;
+        this.addr = new InetSocketAddress(addr, port);
+    }
+
+    public void startZookeeperServer() throws IOException, InterruptedException {
+        LOGGER.info("Starting up ZooKeeperServer using address: {} and port: {}", addr.getAddress(), addr.getPort());
+        final ZooKeeperServer server = new ZooKeeperServer(zookeeperDirectory, zookeeperDirectory, 5000);
+        zookeeperFactory = new NIOServerCnxnFactory();
+        zookeeperFactory.configure(addr, 100);
+        zookeeperFactory.startup(server);
+    }
+
+    public void stopZookeeperServer() {
+        LOGGER.info("Stopping ZooKeeperServer for address: {} and port: {}", addr.getAddress(), addr.getPort());
+        if (zookeeperFactory != null) {
+            zookeeperFactory.shutdown();
+        }
+    }
+
+}