/*
* 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.cache.impl.operation;
import com.hazelcast.cache.impl.CacheDataSerializerHook;
import com.hazelcast.cache.impl.CacheService;
import com.hazelcast.config.CacheConfig;
import com.hazelcast.config.CacheSimpleConfig;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.spi.ReadonlyOperation;
import javax.cache.CacheException;
import java.io.IOException;
/**
* Cache GetConfig Operation.
* <p>Gets the already created cache configuration from the related partition.</p>
* @see CacheCreateConfigOperation
*/
public class CacheGetConfigOperation
extends PartitionWideCacheOperation
implements ReadonlyOperation {
private String simpleName;
public CacheGetConfigOperation() {
}
public CacheGetConfigOperation(String name, String simpleName) {
super(name);
this.simpleName = simpleName;
}
@Override
public void run()
throws Exception {
final CacheService service = getService();
final CacheConfig cacheConfig = service.getCacheConfig(name);
if (cacheConfig == null) {
CacheSimpleConfig simpleConfig = service.findCacheConfig(simpleName);
if (simpleConfig != null) {
try {
CacheConfig cacheConfigFromSimpleConfig = new CacheConfig(simpleConfig);
cacheConfigFromSimpleConfig.setName(name);
cacheConfigFromSimpleConfig.setManagerPrefix(name.substring(0, name.lastIndexOf(simpleName)));
if (service.createCacheConfigIfAbsent(cacheConfigFromSimpleConfig, false) == null) {
response = cacheConfigFromSimpleConfig;
return;
}
} catch (Exception e) {
//Cannot create the actual config from the declarative one
throw new CacheException(e);
}
}
}
response = cacheConfig;
}
@Override
protected void writeInternal(ObjectDataOutput out)
throws IOException {
super.writeInternal(out);
out.writeUTF(simpleName);
}
@Override
protected void readInternal(ObjectDataInput in)
throws IOException {
super.readInternal(in);
simpleName = in.readUTF();
}
@Override
public int getId() {
return CacheDataSerializerHook.GET_CONFIG;
}
}