/**
* (c) Copyright 2012 WibiData, Inc.
*
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
*
* 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 org.kiji.schema.impl.hbase;
import java.io.IOException;
import java.util.Map;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.client.HConnection;
import org.apache.hadoop.hbase.client.HConnectionManager;
import org.kiji.annotations.ApiAudience;
import org.kiji.delegation.Priority;
import org.kiji.schema.Kiji;
import org.kiji.schema.KijiIOException;
import org.kiji.schema.KijiURI;
import org.kiji.schema.hbase.HBaseFactory;
import org.kiji.schema.impl.HBaseAdminFactory;
import org.kiji.schema.impl.HTableInterfaceFactory;
import org.kiji.schema.layout.impl.ZooKeeperClient;
import org.kiji.schema.util.LockFactory;
/** Factory for HBase instances based on URIs. */
@ApiAudience.Private
public final class DefaultHBaseFactory implements HBaseFactory {
/**
* Public constructor for use by the service loader. Clients should use
* HBaseFactory.Provider.get(), which maintains a singleton instance.
*/
public DefaultHBaseFactory() {
}
/** {@inheritDoc} */
@Override
public HTableInterfaceFactory getHTableInterfaceFactory(KijiURI uri) {
return DefaultHTableInterfaceFactory.get();
}
/** {@inheritDoc} */
@Override
public HBaseAdminFactory getHBaseAdminFactory(KijiURI uri) {
return DefaultHBaseAdminFactory.get();
}
/** {@inheritDoc} */
@Override
public HConnection getHConnection(Kiji kiji) {
try {
return HConnectionManager.createConnection(kiji.getConf());
} catch (IOException ioe) {
throw new KijiIOException("Couldn't create an HConnection.", ioe);
}
}
/** {@inheritDoc} */
@Override
public LockFactory getLockFactory(KijiURI uri, Configuration conf) throws IOException {
return getZooKeeperClient(uri).getLockFactory();
}
/** {@inheritDoc} */
@Override
public int getPriority(Map<String, String> runtimeHints) {
// Default priority; should be used unless overridden by tests.
return Priority.NORMAL;
}
/** {@inheritDoc} */
@Override
public ZooKeeperClient getZooKeeperClient(final KijiURI uri) {
return ZooKeeperClient.getZooKeeperClient(getZooKeeperEnsemble(uri));
}
/** {@inheritDoc} */
@Override
public String getZooKeeperEnsemble(final KijiURI uri) {
return uri.getZooKeeperEnsemble();
}
}