diff options
Diffstat (limited to 'plugins/plugins-context/context-distribution/context-distribution-hazelcast/src/main')
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> |