rpc/src/main/java/org/apache/crail/rpc/RpcBinding.java

/*
 *
 * 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.crail.rpc;

import org.apache.crail.rpc.RpcClient;


public interface RpcBinding extends RpcClient {
	public RpcServer launchServer(RpcNameNodeService service);
	
	@SuppressWarnings("unchecked")
	public static RpcBinding createInstance(String name) throws Exception {
		Class<?> nodeClass = Class.forName(name);
		if (RpcBinding.class.isAssignableFrom(nodeClass)){
			Class<? extends RpcBinding> bindingClass = (Class<? extends RpcBinding>) nodeClass;
			RpcBinding bindingInstance = bindingClass.newInstance();
			return bindingInstance;
		} else {
			throw new Exception("Cannot instantiate datanode of type " + name);
		}
	}		
}