com.hazelcast.client.impl.DefaultClientExtension Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2017, 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.client.impl;
import com.hazelcast.client.ClientExtension;
import com.hazelcast.client.HazelcastClientNotActiveException;
import com.hazelcast.client.config.ClientConfig;
import com.hazelcast.client.proxy.ClientMapProxy;
import com.hazelcast.client.proxy.NearCachedClientMapProxy;
import com.hazelcast.client.spi.ClientContext;
import com.hazelcast.client.spi.ClientExecutionService;
import com.hazelcast.client.spi.ClientProxy;
import com.hazelcast.client.spi.ClientProxyFactory;
import com.hazelcast.client.spi.impl.ClientProxyFactoryWithContext;
import com.hazelcast.config.NearCacheConfig;
import com.hazelcast.config.SerializationConfig;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.PartitioningStrategy;
import com.hazelcast.internal.nearcache.NearCacheManager;
import com.hazelcast.internal.nearcache.impl.DefaultNearCacheManager;
import com.hazelcast.internal.networking.ChannelFactory;
import com.hazelcast.internal.networking.nio.NioChannelFactory;
import com.hazelcast.internal.serialization.InternalSerializationService;
import com.hazelcast.internal.serialization.SerializationServiceBuilder;
import com.hazelcast.internal.serialization.impl.DefaultSerializationServiceBuilder;
import com.hazelcast.logging.ILogger;
import com.hazelcast.logging.Logger;
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.SocketInterceptor;
import com.hazelcast.partition.strategy.DefaultPartitioningStrategy;
import com.hazelcast.spi.properties.GroupProperty;
import com.hazelcast.spi.serialization.SerializationService;
import com.hazelcast.util.function.Supplier;
import static com.hazelcast.internal.config.ConfigValidator.checkNearCacheConfig;
import static com.hazelcast.util.ExceptionUtil.rethrow;
@SuppressWarnings("WeakerAccess")
public class DefaultClientExtension implements ClientExtension {
protected static final ILogger LOGGER = Logger.getLogger(ClientExtension.class);
protected volatile HazelcastClientInstanceImpl client;
private final MemoryStats memoryStats = new DefaultMemoryStats();
@Override
public void beforeStart(HazelcastClientInstanceImpl client) {
this.client = client;
}
@Override
public void afterStart(HazelcastClientInstanceImpl client) {
}
@Override
public InternalSerializationService createSerializationService(byte version) {
try {
ClientConfig config = client.getClientConfig();
ClassLoader configClassLoader = config.getClassLoader();
HazelcastInstance hazelcastInstance = client;
PartitioningStrategy partitioningStrategy = getPartitioningStrategy(configClassLoader);
SerializationConfig serializationConfig = config.getSerializationConfig() != null
? config.getSerializationConfig()
: new SerializationConfig();
SerializationServiceBuilder builder = new DefaultSerializationServiceBuilder();
if (version > 0) {
builder.setVersion(version);
}
return builder
.setClassLoader(configClassLoader)
.setConfig(serializationConfig)
.setManagedContext(new HazelcastClientManagedContext(client, config.getManagedContext()))
.setPartitioningStrategy(partitioningStrategy)
.setHazelcastInstance(hazelcastInstance)
.setNotActiveExceptionSupplier(new Supplier() {
@Override
public RuntimeException get() {
return new HazelcastClientNotActiveException("Client is shutdown");
}
})
.build();
} catch (Exception e) {
throw rethrow(e);
}
}
protected PartitioningStrategy getPartitioningStrategy(ClassLoader configClassLoader) throws Exception {
String partitioningStrategyClassName = GroupProperty.PARTITIONING_STRATEGY_CLASS.getSystemProperty();
if (partitioningStrategyClassName != null && partitioningStrategyClassName.length() > 0) {
return ClassLoaderUtil.newInstance(configClassLoader, partitioningStrategyClassName);
} else {
return new DefaultPartitioningStrategy();
}
}
@Override
public SocketInterceptor createSocketInterceptor() {
LOGGER.warning("SocketInterceptor feature is only available on Hazelcast Enterprise!");
return null;
}
@Override
public ChannelFactory createSocketChannelWrapperFactory() {
return new NioChannelFactory();
}
@Override
public ClientProxyFactory createServiceProxyFactory(Class service) {
if (MapService.class.isAssignableFrom(service)) {
return createClientMapProxyFactory();
}
throw new IllegalArgumentException("Proxy factory cannot be created. Unknown service: " + service);
}
@Override
public MemoryStats getMemoryStats() {
return memoryStats;
}
private ClientProxyFactory createClientMapProxyFactory() {
return new ClientProxyFactoryWithContext() {
@Override
public ClientProxy create(String id, ClientContext context) {
ClientConfig clientConfig = client.getClientConfig();
NearCacheConfig nearCacheConfig = clientConfig.getNearCacheConfig(id);
if (nearCacheConfig != null) {
checkNearCacheConfig(id, nearCacheConfig, clientConfig.getNativeMemoryConfig(), true);
return new NearCachedClientMapProxy(MapService.SERVICE_NAME, id, context);
} else {
return new ClientMapProxy(MapService.SERVICE_NAME, id, context);
}
}
};
}
@Override
public NearCacheManager createNearCacheManager() {
SerializationService ss = client.getSerializationService();
ClientExecutionService es = client.getClientExecutionService();
ClassLoader classLoader = client.getClientConfig().getClassLoader();
return new DefaultNearCacheManager(ss, es, classLoader);
}
}