/**
* Copyright (C) 2012 LinkedIn Inc <opensource@linkedin.com>
*
* 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.linkedin.helix.store;
import org.apache.log4j.Logger;
import com.linkedin.helix.manager.zk.ByteArraySerializer;
import com.linkedin.helix.manager.zk.ZkClient;
import com.linkedin.helix.store.file.FilePropertyStore;
import com.linkedin.helix.store.zk.ZKPropertyStore;
public class PropertyStoreFactory
{
private static Logger LOG = Logger.getLogger(PropertyStoreFactory.class);
public static <T extends Object> PropertyStore<T> getZKPropertyStore(String zkAddress,
PropertySerializer<T> serializer,
String rootNamespace)
{
if (zkAddress == null || serializer == null || rootNamespace == null)
{
throw new IllegalArgumentException("zkAddress|serializer|rootNamespace can't be null");
}
LOG.info("Get a zk property store. zkAddr: " + zkAddress + ", root: " + rootNamespace);
ZkClient zkClient =
new ZkClient(zkAddress,
ZkClient.DEFAULT_SESSION_TIMEOUT,
ZkClient.DEFAULT_CONNECTION_TIMEOUT,
new ByteArraySerializer());
return new ZKPropertyStore<T>(zkClient, serializer, rootNamespace);
}
public static <T extends Object> PropertyStore<T> getFilePropertyStore(PropertySerializer<T> serializer,
String rootNamespace,
PropertyJsonComparator<T> comparator)
{
if (comparator == null || serializer == null || rootNamespace == null)
{
throw new IllegalArgumentException("arguments can't be null");
}
LOG.info("Get a file property store. root: " + rootNamespace);
FilePropertyStore<T> store =
new FilePropertyStore<T>(serializer, rootNamespace, comparator);
return store;
}
}