/*
* Copyright (c) 2010-2012 LinkedIn, Inc
*
* 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 krati.store.factory;
import java.io.IOException;
import krati.core.StoreConfig;
import krati.core.StoreFactory;
import krati.core.StorePartitionConfig;
import krati.io.Serializer;
import krati.store.ArrayStore;
import krati.store.ObjectStore;
import krati.store.SerializableObjectArray;
/**
* StaticObjectArrayFactory
*
* @author jwu
* @since 10/11, 2011
*/
public class StaticObjectArrayFactory<V> implements ObjectStoreFactory<Integer, V> {
/**
* Create an instance of {@link ObjectStore} for mapping keys to values.
* The underlying store is backed by {@link krati.store.StaticDataArray StaticDataArray} to have better
* performance where keys are integer.
*
* @param config - the configuration
* @param keySerializer - the serializer for keys
* @param valueSerializer - the serializer for values
* @return the newly created store
* @throws IOException if the store cannot be created.
*/
@Override
public ObjectStore<Integer, V> create(StoreConfig config, Serializer<Integer> keySerializer, Serializer<V> valueSerializer) throws IOException {
try {
ArrayStore base = (config instanceof StorePartitionConfig) ?
StoreFactory.createArrayStorePartition((StorePartitionConfig)config) :
StoreFactory.createStaticArrayStore(config);
return new SerializableObjectArray<V>(base, keySerializer, valueSerializer);
} catch (Exception e) {
if(e instanceof IOException) {
throw (IOException)e;
} else {
throw new IOException(e);
}
}
}
}