com.hazelcast.map.impl.operation.MapOperationProviders Maven / Gradle / Ivy
/*
* 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.map.impl.operation;
import com.hazelcast.config.MapConfig;
import com.hazelcast.map.impl.MapContainer;
import com.hazelcast.map.impl.MapServiceContext;
/**
* A central place to ask for {@link MapOperationProvider} instances.
* {@link MapOperationProvider} instances created by this class will be wrapped by {@link WANAwareOperationProvider}
* if WAN replication is enabled for the related map.
*/
public class MapOperationProviders {
protected final MapServiceContext mapServiceContext;
protected final MapOperationProvider wanAwareProvider;
protected final MapOperationProvider defaultProvider = new DefaultMapOperationProvider();
public MapOperationProviders(MapServiceContext mapServiceContext) {
this.mapServiceContext = mapServiceContext;
this.wanAwareProvider = new WANAwareOperationProvider(mapServiceContext, defaultProvider);
}
/**
* Creates {@link MapOperationProvider} instance and wraps it into a {@link WANAwareOperationProvider}
*
* @param name Name of the requested {@link com.hazelcast.core.IMap}
* @return {@link DefaultMapOperationProvider} or {@link WANAwareOperationProvider} depending on the WAN replication
* config of the requested map instance.
*/
public MapOperationProvider getOperationProvider(String name) {
MapContainer mapContainer = mapServiceContext.getMapContainer(name);
return mapContainer.isWanReplicationEnabled() ? wanAwareProvider : defaultProvider;
}
/**
* Returns a {@link MapOperationProvider} instance, depending on whether the provided {@code MapConfig} has a
* WAN replication policy configured or not.
*
* @param mapConfig the map configuration to query whether WAN replication is configured
* @return {@link DefaultMapOperationProvider} or {@link WANAwareOperationProvider} depending on the WAN replication
* config of the map configuration provided as parameter.
*/
public MapOperationProvider getOperationProvider(MapConfig mapConfig) {
if (mapConfig.getWanReplicationRef() == null) {
return defaultProvider;
} else {
return wanAwareProvider;
}
}
}