/** * 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.ipc; import java.io.IOException; import org.apache.hadoop.classification.InterfaceAudience; import org.apache.hadoop.classification.InterfaceStability; /** * This interface is implemented by the client side translators and can be used * to obtain information about underlying protocol e.g. to check if a method is * supported on the server side. */ @InterfaceAudience.Private @InterfaceStability.Stable public interface ProtocolMetaInterface { /** * Checks whether the given method name is supported by the server. * It is assumed that all method names are unique for a protocol. * @param methodName The name of the method * @return true if method is supported, otherwise false. * @throws IOException */ public boolean isMethodSupported(String methodName) throws IOException; }