com.hazelcast.client.impl.spi.ClientContext Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2020, 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.spi;
import com.hazelcast.cache.impl.CacheService;
import com.hazelcast.client.cache.impl.nearcache.invalidation.ClientCacheInvalidationMetaDataFetcher;
import com.hazelcast.client.config.ClientConfig;
import com.hazelcast.client.impl.ClientExtension;
import com.hazelcast.client.impl.clientside.HazelcastClientInstanceImpl;
import com.hazelcast.client.impl.connection.ClientConnectionManager;
import com.hazelcast.client.map.impl.querycache.ClientQueryCacheContext;
import com.hazelcast.client.map.impl.nearcache.invalidation.ClientMapInvalidationMetaDataFetcher;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.LifecycleService;
import com.hazelcast.internal.nearcache.NearCacheManager;
import com.hazelcast.internal.nearcache.impl.invalidation.InvalidationMetaDataFetcher;
import com.hazelcast.internal.nearcache.impl.invalidation.MinimalPartitionService;
import com.hazelcast.internal.nearcache.impl.invalidation.RepairingTask;
import com.hazelcast.internal.serialization.Data;
import com.hazelcast.internal.serialization.InternalSerializationService;
import com.hazelcast.logging.ILogger;
import com.hazelcast.logging.LoggingService;
import com.hazelcast.map.impl.MapService;
import com.hazelcast.spi.impl.executionservice.TaskScheduler;
import com.hazelcast.spi.properties.HazelcastProperties;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import static com.hazelcast.internal.util.ConcurrencyUtil.getOrPutIfAbsent;
import static java.lang.String.format;
/**
* Context holding all the required services, managers and the configuration for a Hazelcast client.
*/
public class ClientContext {
private final String name;
private final ProxyManager proxyManager;
private final ClientConfig clientConfig;
private final LoggingService loggingService;
private final HazelcastProperties properties;
private final ClientExtension clientExtension;
private final LifecycleService lifecycleService;
private final ClientClusterService clusterService;
private final ClientListenerService listenerService;
private final TaskScheduler taskScheduler;
private final ClientPartitionService partitionService;
private final ClientQueryCacheContext queryCacheContext;
private final ClientInvocationService invocationService;
private final MinimalPartitionService minimalPartitionService;
private final ClientConnectionManager clientConnectionManager;
private final InternalSerializationService serializationService;
private final ClientTransactionManagerService transactionManager;
private final ConcurrentMap repairingTasks = new ConcurrentHashMap<>();
private final ConcurrentMap nearCacheManagers = new ConcurrentHashMap<>();
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.taskScheduler = client.getTaskScheduler();
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.properties = client.getProperties();
this.minimalPartitionService = new ClientMinimalPartitionService();
this.queryCacheContext = client.getQueryCacheContext();
this.clientExtension = client.getClientExtension();
registerDisposalTasksTo(client);
}
private void registerDisposalTasksTo(HazelcastClientInstanceImpl client) {
client.disposeOnClusterChange(() -> {
nearCacheManagers.values().forEach(NearCacheManager::clearAllNearCaches);
});
client.disposeOnClientShutdown(() -> {
nearCacheManagers.values().forEach(NearCacheManager::destroyAllNearCaches);
});
}
public ClientQueryCacheContext getQueryCacheContext() {
return queryCacheContext;
}
public NearCacheManager getNearCacheManager(String serviceName) {
return getOrPutIfAbsent(nearCacheManagers, serviceName,
anyArg -> clientExtension.createNearCacheManager());
}
public ConcurrentMap getNearCacheManagers() {
return nearCacheManagers;
}
public RepairingTask getRepairingTask(String serviceName) {
return getOrPutIfAbsent(repairingTasks, serviceName, name -> {
InvalidationMetaDataFetcher invalidationMetaDataFetcher = newMetaDataFetcher(serviceName);
ILogger logger = loggingService.getLogger(RepairingTask.class);
return new RepairingTask(properties, invalidationMetaDataFetcher, taskScheduler, serializationService,
minimalPartitionService,
clientConnectionManager.getClientUuid(), logger);
});
}
private InvalidationMetaDataFetcher newMetaDataFetcher(String serviceName) {
if (MapService.SERVICE_NAME.equals(serviceName)) {
return new ClientMapInvalidationMetaDataFetcher(this);
}
if (CacheService.SERVICE_NAME.equals(serviceName)) {
return new ClientCacheInvalidationMetaDataFetcher(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 InternalSerializationService getSerializationService() {
return serializationService;
}
public ClientClusterService getClusterService() {
return clusterService;
}
public ClientPartitionService getPartitionService() {
return partitionService;
}
public ClientTransactionManagerService getTransactionManager() {
return transactionManager;
}
public TaskScheduler getTaskScheduler() {
return taskScheduler;
}
public ClientListenerService getListenerService() {
return listenerService;
}
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();
}
}