com.hazelcast.client.spi.ClientContext 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.spi;
import com.hazelcast.cache.impl.CacheService;
import com.hazelcast.client.cache.impl.nearcache.invalidation.ClientCacheMetaDataFetcher;
import com.hazelcast.client.config.ClientConfig;
import com.hazelcast.client.connection.ClientConnectionManager;
import com.hazelcast.client.impl.HazelcastClientInstanceImpl;
import com.hazelcast.client.impl.querycache.ClientQueryCacheContext;
import com.hazelcast.client.map.impl.nearcache.invalidation.ClientMapMetaDataFetcher;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.LifecycleService;
import com.hazelcast.internal.nearcache.NearCacheManager;
import com.hazelcast.internal.nearcache.impl.invalidation.MetaDataFetcher;
import com.hazelcast.internal.nearcache.impl.invalidation.MinimalPartitionService;
import com.hazelcast.internal.nearcache.impl.invalidation.RepairingTask;
import com.hazelcast.logging.ILogger;
import com.hazelcast.logging.LoggingService;
import com.hazelcast.map.impl.MapService;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.spi.properties.HazelcastProperties;
import com.hazelcast.spi.serialization.SerializationService;
import com.hazelcast.util.ConstructorFunction;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import static com.hazelcast.util.ConcurrencyUtil.getOrPutIfAbsent;
import static java.lang.String.format;
/**
* Context holding all the required services, managers and the configuration for a Hazelcast client.
*/
public final class ClientContext {
private String localUuid;
private final SerializationService serializationService;
private final ClientClusterService clusterService;
private final ClientPartitionService partitionService;
private final ClientInvocationService invocationService;
private final ClientExecutionService executionService;
private final ClientListenerService listenerService;
private final ClientConnectionManager clientConnectionManager;
private final LifecycleService lifecycleService;
private final ClientTransactionManagerService transactionManager;
private final ProxyManager proxyManager;
private final ClientConfig clientConfig;
private final LoggingService loggingService;
private final HazelcastProperties properties;
private final NearCacheManager nearCacheManager;
private final MinimalPartitionService minimalPartitionService;
private final ClientQueryCacheContext queryCacheContext;
private final ConcurrentMap repairingTasks = new ConcurrentHashMap();
private final ConstructorFunction repairingTaskConstructor
= new ConstructorFunction() {
@Override
public RepairingTask createNew(String serviceName) {
return newRepairingTask(serviceName);
}
};
private final String name;
public ClientContext(HazelcastClientInstanceImpl client) {
this.name = client.getName();
this.serializationService = client.getSerializationService();
this.clusterService = client.getClientClusterService();
this.partitionService = client.getClientPartitionService();
this.invocationService = client.getInvocationService();
this.executionService = client.getClientExecutionService();
this.listenerService = client.getListenerService();
this.clientConnectionManager = client.getConnectionManager();
this.lifecycleService = client.getLifecycleService();
this.proxyManager = client.getProxyManager();
this.clientConfig = client.getClientConfig();
this.transactionManager = client.getTransactionManager();
this.loggingService = client.getLoggingService();
this.nearCacheManager = client.getNearCacheManager();
this.properties = client.getProperties();
this.localUuid = client.getLocalEndpoint().getUuid();
this.minimalPartitionService = new ClientMinimalPartitionService();
this.queryCacheContext = new ClientQueryCacheContext(this);
}
public ClientQueryCacheContext getQueryCacheContext() {
return queryCacheContext;
}
public RepairingTask getRepairingTask(String serviceName) {
return getOrPutIfAbsent(repairingTasks, serviceName, repairingTaskConstructor);
}
private String getLocalUuid() {
if (this.localUuid == null) {
this.localUuid = clusterService.getLocalClient().getUuid();
}
return this.localUuid;
}
private RepairingTask newRepairingTask(String serviceName) {
MetaDataFetcher metaDataFetcher = newMetaDataFetcher(serviceName);
ILogger logger = loggingService.getLogger(RepairingTask.class);
return new RepairingTask(properties, metaDataFetcher, executionService, serializationService, minimalPartitionService,
getLocalUuid(), logger);
}
private MetaDataFetcher newMetaDataFetcher(String serviceName) {
if (MapService.SERVICE_NAME.equals(serviceName)) {
return new ClientMapMetaDataFetcher(this);
}
if (CacheService.SERVICE_NAME.equals(serviceName)) {
return new ClientCacheMetaDataFetcher(this);
}
throw new IllegalArgumentException(format("%s is not a known service-name to fetch metadata for", serviceName));
}
public String getName() {
return name;
}
/**
* Client side implementation of {@link MinimalPartitionService}
*/
private class ClientMinimalPartitionService implements MinimalPartitionService {
@Override
public int getPartitionId(Data key) {
return partitionService.getPartitionId(key);
}
@Override
public int getPartitionId(Object key) {
return partitionService.getPartitionId(key);
}
@Override
public int getPartitionCount() {
return partitionService.getPartitionCount();
}
}
public HazelcastInstance getHazelcastInstance() {
return proxyManager.getHazelcastInstance();
}
public SerializationService getSerializationService() {
return serializationService;
}
public ClientClusterService getClusterService() {
return clusterService;
}
public ClientPartitionService getPartitionService() {
return partitionService;
}
public ClientTransactionManagerService getTransactionManager() {
return transactionManager;
}
public ClientExecutionService getExecutionService() {
return executionService;
}
public ClientListenerService getListenerService() {
return listenerService;
}
public NearCacheManager getNearCacheManager() {
return nearCacheManager;
}
public LoggingService getLoggingService() {
return loggingService;
}
public ClientInvocationService getInvocationService() {
return invocationService;
}
public ClientConnectionManager getConnectionManager() {
return clientConnectionManager;
}
public LifecycleService getLifecycleService() {
return lifecycleService;
}
public ProxyManager getProxyManager() {
return proxyManager;
}
public ClientConfig getClientConfig() {
return clientConfig;
}
public boolean isActive() {
return getHazelcastInstance().getLifecycleService().isRunning();
}
}