com.hazelcast.collection.CollectionPartitionContainer Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2013, 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.collection;
import com.hazelcast.util.ConcurrencyUtil;
import com.hazelcast.util.ConstructorFunction;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
/**
* @author ali 1/2/13
*/
public class CollectionPartitionContainer {
final int partitionId;
final CollectionService service;
final ConcurrentMap containerMap = new ConcurrentHashMap(1000);
private final ConstructorFunction collectionConstructor
= new ConstructorFunction() {
public CollectionContainer createNew(CollectionProxyId proxyId) {
return new CollectionContainer(proxyId, service, partitionId);
}
};
public CollectionPartitionContainer(CollectionService service, int partitionId) {
this.service = service;
this.partitionId = partitionId;
}
public CollectionContainer getOrCreateCollectionContainer(CollectionProxyId proxyId) {
CollectionContainer container = ConcurrencyUtil.getOrPutIfAbsent(containerMap, proxyId, collectionConstructor);
container.access();
return container;
}
public CollectionContainer getCollectionContainer(CollectionProxyId proxyId){
CollectionContainer container = containerMap.get(proxyId);
if (container != null){
container.access();
}
return container;
}
void destroyCollection(CollectionProxyId collectionProxyId) {
final CollectionContainer container = containerMap.remove(collectionProxyId);
if (container != null) {
container.destroy();
}
}
void destroy() {
for (CollectionContainer container : containerMap.values()) {
container.destroy();
}
containerMap.clear();
}
}