/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.hadoop.hbase.ipc;
import java.util.List;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.CellScannable;
import org.apache.hadoop.hbase.CellScanner;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.util.ReflectionUtils;
/**
* Factory to create a {@link PayloadCarryingRpcController}
*/
@InterfaceAudience.Private
public class RpcControllerFactory {
public static final String CUSTOM_CONTROLLER_CONF_KEY = "hbase.rpc.controllerfactory.class";
protected final Configuration conf;
public RpcControllerFactory(Configuration conf) {
this.conf = conf;
}
public PayloadCarryingRpcController newController() {
return new PayloadCarryingRpcController();
}
public PayloadCarryingRpcController newController(final CellScanner cellScanner) {
return new PayloadCarryingRpcController(cellScanner);
}
public PayloadCarryingRpcController newController(final List<CellScannable> cellIterables) {
return new PayloadCarryingRpcController(cellIterables);
}
public static RpcControllerFactory instantiate(Configuration configuration) {
String rpcControllerFactoryClazz =
configuration.get(CUSTOM_CONTROLLER_CONF_KEY,
RpcControllerFactory.class.getName());
return ReflectionUtils.instantiateWithCustomCtor(rpcControllerFactoryClazz,
new Class[] { Configuration.class }, new Object[] { configuration });
}
}