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/*
* 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.client.cache.impl;
import com.hazelcast.cache.HazelcastCachingProvider;
import com.hazelcast.cache.impl.AbstractHazelcastCacheManager;
import com.hazelcast.cache.impl.ICacheInternal;
import com.hazelcast.cache.impl.ICacheService;
import com.hazelcast.internal.nearcache.NearCacheManager;
import com.hazelcast.client.impl.HazelcastClientInstanceImpl;
import com.hazelcast.client.impl.HazelcastClientProxy;
import com.hazelcast.config.CacheConfig;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.util.ExceptionUtil;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import java.net.URI;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import static com.hazelcast.util.Preconditions.checkNotNull;
/**
* {@link javax.cache.CacheManager} implementation for client side.
*
* Provides client side CacheManager functionality.
*/
public final class HazelcastClientCacheManager extends AbstractHazelcastCacheManager {
private final HazelcastClientInstanceImpl client;
private final ClientCacheProxyFactory clientCacheProxyFactory;
private final ConcurrentMap configs = new ConcurrentHashMap();
public HazelcastClientCacheManager(HazelcastClientCachingProvider cachingProvider, HazelcastInstance hazelcastInstance,
URI uri, ClassLoader classLoader, Properties properties) {
super(cachingProvider, hazelcastInstance, uri, classLoader, properties);
/*
* TODO
*
* A new interface, such as `InternalHazelcastInstance` (has `getOriginalInstance()` method),
* might be introduced. Then underlying actual (original) Hazelcast instance is retrieved through this.
*
* Original Hazelcast instance is used for getting `NearCacheManager` and .
* passing full cache name directly by this cache manager itself.
*/
if (hazelcastInstance instanceof HazelcastClientProxy) {
client = ((HazelcastClientProxy) hazelcastInstance).client;
} else {
client = ((HazelcastClientInstanceImpl) hazelcastInstance);
}
clientCacheProxyFactory =
(ClientCacheProxyFactory) client.getProxyManager().getClientProxyFactory(ICacheService.SERVICE_NAME);
}
@Override
public void enableManagement(String cacheName, boolean enabled) {
enableStatisticManagementOnNodes(cacheName, false, enabled);
}
@Override
public void enableStatistics(String cacheName, boolean enabled) {
enableStatisticManagementOnNodes(cacheName, true, enabled);
}
private void enableStatisticManagementOnNodes(String cacheName, boolean statOrMan, boolean enabled) {
checkIfManagerNotClosed();
checkNotNull(cacheName, "cacheName cannot be null");
ClientCacheHelper.enableStatisticManagementOnNodes(client, getCacheNameWithPrefix(cacheName),
statOrMan, enabled);
}
@SuppressFBWarnings("RV_RETURN_VALUE_OF_PUTIFABSENT_IGNORED")
@Override
protected void addCacheConfigIfAbsent(CacheConfig cacheConfig) {
configs.putIfAbsent(cacheConfig.getNameWithPrefix(), cacheConfig);
clientCacheProxyFactory.addCacheConfig(cacheConfig.getNameWithPrefix(), cacheConfig);
}
@Override
protected void removeCacheConfigFromLocal(String cacheName) {
configs.remove(cacheName);
clientCacheProxyFactory.removeCacheConfig(cacheName);
}
@Override
protected CacheConfig getCacheConfig(String cacheName, String simpleCacheName) {
return ClientCacheHelper.getCacheConfig(client, cacheName, simpleCacheName);
}
@Override
protected ICacheInternal createCacheProxy(CacheConfig cacheConfig) {
clientCacheProxyFactory.addCacheConfig(cacheConfig.getNameWithPrefix(), cacheConfig);
try {
ClientCacheProxy clientCacheProxy =
(ClientCacheProxy) client.getCacheManager()
.getCacheByFullName(cacheConfig.getNameWithPrefix());
clientCacheProxy.setCacheManager(this);
return clientCacheProxy;
} catch (Throwable t) {
clientCacheProxyFactory.removeCacheConfig(cacheConfig.getNameWithPrefix());
throw ExceptionUtil.rethrow(t);
}
}
@Override
protected CacheConfig findCacheConfig(String cacheName, String simpleCacheName, boolean createAlsoOnOthers,
boolean syncCreate) {
CacheConfig config = configs.get(cacheName);
if (config == null) {
// If cache config not found, try to find it from partition
config = getCacheConfig(cacheName, simpleCacheName);
if (config != null) {
// Cache config possibly is not exist on other nodes, so create also on them if absent
createCacheConfig(cacheName, config, createAlsoOnOthers, syncCreate);
}
}
return config;
}
@Override
protected CacheConfig createCacheConfig(String cacheName, CacheConfig config,
boolean createAlsoOnOthers, boolean syncCreate) {
return ClientCacheHelper.createCacheConfig(client, configs, cacheName, config,
createAlsoOnOthers, syncCreate);
}
@Override
public T unwrap(Class clazz) {
if (HazelcastClientCacheManager.class.isAssignableFrom(clazz)) {
return (T) this;
}
throw new IllegalArgumentException();
}
@Override
protected void postClose() {
if (properties.getProperty(HazelcastCachingProvider.HAZELCAST_CONFIG_LOCATION) != null) {
hazelcastInstance.shutdown();
}
}
@Override
protected void postDestroy() {
Iterator> iter = configs.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry entry = iter.next();
String cacheName = entry.getKey();
clientCacheProxyFactory.removeCacheConfig(cacheName);
iter.remove();
}
}
@Override
protected void onShuttingDown() {
}
/**
* Gets the related {@link NearCacheManager} with the underlying client instance.
*
* @return the related {@link NearCacheManager} with the underlying client instance
*/
public NearCacheManager getNearCacheManager() {
return client.getNearCacheManager();
}
}
