transaction.CustomerOrderResolver Maven / Gradle / Ivy
/*
* Copyright (c) 2010-2015 Pivotal Software, 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. See accompanying
* LICENSE file.
*/
/**
*
*/
package transaction;
import com.gemstone.gemfire.cache.EntryOperation;
import com.gemstone.gemfire.cache.PartitionResolver;
import java.io.Serializable;
/**
* This resolver ensures that customer and their order are colocated by
* always returning {@link CustomerId}
*/
public class CustomerOrderResolver implements PartitionResolver {
/* (non-Javadoc)
* @see com.gemstone.gemfire.cache.PartitionResolver#getName()
*/
public String getName() {
return "customResolver";
}
/* (non-Javadoc)
* @see com.gemstone.gemfire.cache.PartitionResolver#getRoutingObject(com.gemstone.gemfire.cache.EntryOperation)
*/
public Serializable getRoutingObject(EntryOperation opDetails) {
Serializable key = (Serializable)opDetails.getKey();
if (key instanceof CustomerId) {
return key;
} else if (key instanceof OrderId) {
return ((OrderId)key).getCustId();
}
return null;
}
/* (non-Javadoc)
* @see com.gemstone.gemfire.cache.CacheCallback#close()
*/
public void close() {
}
}