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-rw-r--r--plugins/plugins-context/context-distribution/context-distribution-hazelcast/src/main/java/org/onap/policy/apex/plugins/context/distribution/hazelcast/HazelcastContextDistributor.java106
-rw-r--r--plugins/plugins-context/context-distribution/context-distribution-hazelcast/src/main/java/org/onap/policy/apex/plugins/context/distribution/hazelcast/package-info.java27
-rw-r--r--plugins/plugins-context/context-distribution/context-distribution-hazelcast/src/main/resources/hazelcast/hazelcast.xml.sample55
3 files changed, 188 insertions, 0 deletions
diff --git a/plugins/plugins-context/context-distribution/context-distribution-hazelcast/src/main/java/org/onap/policy/apex/plugins/context/distribution/hazelcast/HazelcastContextDistributor.java b/plugins/plugins-context/context-distribution/context-distribution-hazelcast/src/main/java/org/onap/policy/apex/plugins/context/distribution/hazelcast/HazelcastContextDistributor.java
new file mode 100644
index 000000000..2b17b17cf
--- /dev/null
+++ b/plugins/plugins-context/context-distribution/context-distribution-hazelcast/src/main/java/org/onap/policy/apex/plugins/context/distribution/hazelcast/HazelcastContextDistributor.java
@@ -0,0 +1,106 @@
+/*-
+ * ============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.distribution.hazelcast;
+
+import java.util.Map;
+
+import org.onap.policy.apex.context.ContextException;
+import org.onap.policy.apex.context.impl.distribution.AbstractDistributor;
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+import com.hazelcast.core.Hazelcast;
+import com.hazelcast.core.HazelcastInstance;
+
+/**
+ * This context distributor distributes context across threads in multiple JVMs on multiple hosts.
+ * It uses hazelcast to distribute maps.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class HazelcastContextDistributor extends AbstractDistributor {
+ // Logger for this class
+ private static final XLogger LOGGER = XLoggerFactory.getXLogger(HazelcastContextDistributor.class);
+
+ // The hazelcast instance for distributing context for this JVM
+ private static HazelcastInstance hazelcastInstance = null;
+
+ /**
+ * Create an instance of a Hazelcast Context Distributor.
+ *
+ * @throws ContextException On errors creating the context distributor
+ */
+ public HazelcastContextDistributor() throws ContextException {
+ super();
+ LOGGER.entry("HazelcastContextDistributor()");
+
+ LOGGER.exit("HazelcastContextDistributor()");
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.onap.policy.apex.context.impl.distribution.AbstractContextDistributor#init(org.onap.
+ * policy.apex.model.basicmodel.concepts.AxArtifactKey)
+ */
+ @Override
+ public void init(final AxArtifactKey key) throws ContextException {
+ LOGGER.entry("init(" + key + ")");
+
+ super.init(key);
+
+ // Create the hazelcast instance if it does not already exist
+ if (hazelcastInstance == null) {
+ hazelcastInstance = Hazelcast.newHazelcastInstance();
+ }
+
+ LOGGER.exit("init(" + key + ")");
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.onap.policy.apex.core.context.impl.distribution.AbstractContextDistributor#
+ * getContextAlbumMap(org.onap.policy.apex.core.model.concepts.AxArtifactKey)
+ */
+ @Override
+ public Map<String, Object> getContextAlbumMap(final AxArtifactKey contextAlbumKey) {
+ // Get the map from Hazelcast
+ LOGGER.info("HazelcastContextDistributor: create album: " + contextAlbumKey.getID());
+ return hazelcastInstance.getMap(contextAlbumKey.getID());
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see
+ * org.onap.policy.apex.core.context.impl.distribution.AbstractContextDistributor#shutdown()
+ */
+ @Override
+ public void shutdown() {
+ // Shut down the hazelcast instance
+ if (hazelcastInstance != null) {
+ hazelcastInstance.shutdown();
+ }
+ hazelcastInstance = null;
+ }
+}
diff --git a/plugins/plugins-context/context-distribution/context-distribution-hazelcast/src/main/java/org/onap/policy/apex/plugins/context/distribution/hazelcast/package-info.java b/plugins/plugins-context/context-distribution/context-distribution-hazelcast/src/main/java/org/onap/policy/apex/plugins/context/distribution/hazelcast/package-info.java
new file mode 100644
index 000000000..027aeecde
--- /dev/null
+++ b/plugins/plugins-context/context-distribution/context-distribution-hazelcast/src/main/java/org/onap/policy/apex/plugins/context/distribution/hazelcast/package-info.java
@@ -0,0 +1,27 @@
+/*-
+ * ============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=========================================================
+ */
+
+/**
+ * Implements the <a href="http://hazelcast.org/">Hazelcast</a> context distributor for distribution
+ * of Apex context across JVMs.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+package org.onap.policy.apex.plugins.context.distribution.hazelcast;
diff --git a/plugins/plugins-context/context-distribution/context-distribution-hazelcast/src/main/resources/hazelcast/hazelcast.xml.sample b/plugins/plugins-context/context-distribution/context-distribution-hazelcast/src/main/resources/hazelcast/hazelcast.xml.sample
new file mode 100644
index 000000000..5f6c1b005
--- /dev/null
+++ b/plugins/plugins-context/context-distribution/context-distribution-hazelcast/src/main/resources/hazelcast/hazelcast.xml.sample
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ ============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=========================================================
+-->
+
+<hazelcast xmlns="http://www.hazelcast.com/schema/config"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+ <group>
+ <name>ApexHazelcastGroup</name>
+ <password>ApexHazelcastGroupPassword</password>
+ </group>
+ <network>
+ <port auto-increment="true">5706</port>
+ <join>
+ <multicast enabled="false">
+ <multicast-group>224.2.2.10</multicast-group>
+ <multicast-port>54327</multicast-port>
+ </multicast>
+ <tcp-ip enabled="true">
+ <members>127.0.0.1</members>
+ </tcp-ip>
+ </join>
+ <interfaces enabled="false">
+ <!-- This value will allow hazelcast to run locally from the IDE -->
+ <interface>127.0.0.*</interface>
+ </interfaces>
+ </network>
+ <properties>
+ <property name="hazelcast.icmp.enabled">true</property>
+ <property name="hazelcast.logging.type">slf4j</property>
+ <!-- disable the hazelcast shutdown hook - prefer to control the shutdown
+ in code -->
+ <property name="hazelcast.shutdownhook.enabled">false</property>
+ <property name="hazelcast.graceful.shutdown.max.wait">60</property>
+ </properties>
+ <executor-service>
+ <pool-size>16</pool-size>
+ </executor-service>
+</hazelcast>