com.hazelcast.instance.DefaultNodeExtension Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2016, Hazelcast, Inc. 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.
*/
package com.hazelcast.instance;
import com.hazelcast.cache.impl.CacheService;
import com.hazelcast.cache.impl.ICacheService;
import com.hazelcast.client.impl.protocol.MessageTaskFactory;
import com.hazelcast.client.impl.protocol.MessageTaskFactoryImpl;
import com.hazelcast.cluster.ClusterState;
import com.hazelcast.config.Config;
import com.hazelcast.config.SerializationConfig;
import com.hazelcast.core.PartitioningStrategy;
import com.hazelcast.internal.serialization.SerializationService;
import com.hazelcast.internal.serialization.SerializationServiceBuilder;
import com.hazelcast.internal.serialization.impl.DefaultSerializationServiceBuilder;
import com.hazelcast.logging.ILogger;
import com.hazelcast.map.impl.MapService;
import com.hazelcast.memory.DefaultMemoryStats;
import com.hazelcast.memory.MemoryStats;
import com.hazelcast.nio.ClassLoaderUtil;
import com.hazelcast.nio.IOService;
import com.hazelcast.nio.MemberSocketInterceptor;
import com.hazelcast.nio.tcp.DefaultSocketChannelWrapperFactory;
import com.hazelcast.nio.tcp.MemberReadHandler;
import com.hazelcast.nio.tcp.MemberWriteHandler;
import com.hazelcast.nio.tcp.ReadHandler;
import com.hazelcast.nio.tcp.SocketChannelWrapperFactory;
import com.hazelcast.nio.tcp.TcpIpConnection;
import com.hazelcast.nio.tcp.WriteHandler;
import com.hazelcast.partition.strategy.DefaultPartitioningStrategy;
import com.hazelcast.security.SecurityContext;
import com.hazelcast.spi.NodeEngine;
import com.hazelcast.spi.impl.NodeEngineImpl;
import com.hazelcast.util.ConstructorFunction;
import com.hazelcast.util.ExceptionUtil;
import com.hazelcast.wan.WanReplicationService;
import com.hazelcast.wan.impl.WanReplicationServiceImpl;
import java.util.Collections;
import java.util.Map;
import static com.hazelcast.map.impl.MapServiceConstructor.getDefaultMapServiceConstructor;
public class DefaultNodeExtension implements NodeExtension {
protected final Node node;
protected final ILogger logger;
protected final ILogger systemLogger;
private final MemoryStats memoryStats = new DefaultMemoryStats();
public DefaultNodeExtension(Node node) {
this.node = node;
logger = node.getLogger(NodeExtension.class);
systemLogger = node.getLogger("com.hazelcast.system");
}
@Override
public void beforeStart() {
}
@Override
public void printNodeInfo() {
BuildInfo buildInfo = node.getBuildInfo();
String build = buildInfo.getBuild();
String revision = buildInfo.getRevision();
if (!revision.isEmpty()) {
build += " - " + revision;
}
systemLogger.info("Hazelcast " + buildInfo.getVersion()
+ " (" + build + ") starting at " + node.getThisAddress());
systemLogger.info("Copyright (c) 2008-2016, Hazelcast, Inc. All Rights Reserved.");
systemLogger.info("Configured Hazelcast Serialization version : " + buildInfo.getSerializationVersion());
}
@Override
public void beforeJoin() {
}
@Override
public void afterStart() {
}
@Override
public boolean isStartCompleted() {
return node.joined();
}
@Override
public SecurityContext getSecurityContext() {
logger.warning("Security features are only available on Hazelcast Enterprise!");
return null;
}
public SerializationService createSerializationService() {
SerializationService ss;
try {
Config config = node.getConfig();
ClassLoader configClassLoader = node.getConfigClassLoader();
HazelcastInstanceImpl hazelcastInstance = node.hazelcastInstance;
PartitioningStrategy partitioningStrategy = getPartitioningStrategy(configClassLoader);
SerializationServiceBuilder builder = new DefaultSerializationServiceBuilder();
SerializationConfig serializationConfig = config.getSerializationConfig() != null
? config.getSerializationConfig() : new SerializationConfig();
byte version = (byte) node.groupProperties.getInteger(GroupProperty.SERIALIZATION_VERSION);
ss = builder.setClassLoader(configClassLoader)
.setConfig(serializationConfig)
.setManagedContext(hazelcastInstance.managedContext)
.setPartitioningStrategy(partitioningStrategy)
.setHazelcastInstance(hazelcastInstance)
.setVersion(version)
.build();
} catch (Exception e) {
throw ExceptionUtil.rethrow(e);
}
return ss;
}
protected PartitioningStrategy getPartitioningStrategy(ClassLoader configClassLoader) throws Exception {
String partitioningStrategyClassName = node.groupProperties.getString(GroupProperty.PARTITIONING_STRATEGY_CLASS);
if (partitioningStrategyClassName != null && partitioningStrategyClassName.length() > 0) {
return ClassLoaderUtil.newInstance(configClassLoader, partitioningStrategyClassName);
} else {
return new DefaultPartitioningStrategy();
}
}
@Override
public T createService(Class clazz) {
if (WanReplicationService.class.isAssignableFrom(clazz)) {
return (T) new WanReplicationServiceImpl(node);
} else if (ICacheService.class.isAssignableFrom(clazz)) {
return (T) new CacheService();
} else if (MapService.class.isAssignableFrom(clazz)) {
return createMapService();
}
throw new IllegalArgumentException("Unknown service class: " + clazz);
}
private T createMapService() {
ConstructorFunction constructor = getDefaultMapServiceConstructor();
NodeEngineImpl nodeEngine = node.getNodeEngine();
return (T) constructor.createNew(nodeEngine);
}
@Override
public Map createExtensionServices() {
return Collections.emptyMap();
}
@Override
public MemberSocketInterceptor getMemberSocketInterceptor() {
logger.warning("SocketInterceptor feature is only available on Hazelcast Enterprise!");
return null;
}
@Override
public SocketChannelWrapperFactory getSocketChannelWrapperFactory() {
return new DefaultSocketChannelWrapperFactory();
}
@Override
public ReadHandler createReadHandler(TcpIpConnection connection, IOService ioService) {
NodeEngineImpl nodeEngine = node.nodeEngine;
return new MemberReadHandler(connection, nodeEngine.getPacketDispatcher());
}
@Override
public WriteHandler createWriteHandler(TcpIpConnection connection, IOService ioService) {
return new MemberWriteHandler();
}
@Override
public MessageTaskFactory createMessageTaskFactory() {
return new MessageTaskFactoryImpl(node);
}
@Override
public void onThreadStart(Thread thread) {
}
@Override
public void onThreadStop(Thread thread) {
}
@Override
public MemoryStats getMemoryStats() {
return memoryStats;
}
@Override
public void beforeShutdown() {
}
@Override
public void shutdown() {
logger.info("Destroying node NodeExtension.");
}
@Override
public void validateJoinRequest() {
}
@Override
public void onClusterStateChange(ClusterState newState, boolean persistentChange) {
}
@Override
public boolean registerListener(Object listener) {
return false;
}
@Override
public boolean triggerForceStart() {
logger.warning("Force start is available when hot restart is active!");
return false;
}
}