001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.ipc;
019
020import org.apache.yetus.audience.InterfaceAudience;
021
022import org.apache.hbase.thirdparty.com.google.protobuf.BlockingRpcChannel;
023import org.apache.hbase.thirdparty.com.google.protobuf.RpcChannel;
024
025/**
026 * Base interface which provides clients with an RPC connection to call coprocessor endpoint
027 * {@link org.apache.hbase.thirdparty.com.google.protobuf.Service}s.
028 * <p/>
029 * Note that clients should not use this class directly, except through
030 * {@link org.apache.hadoop.hbase.client.Table#coprocessorService(byte[])}.
031 * <p/>
032 * @deprecated Please stop using this class again, as it is too low level, which is part of the rpc
033 *             framework for HBase. Will be deleted in 4.0.0.
034 */
035@Deprecated
036@InterfaceAudience.Public
037public interface CoprocessorRpcChannel extends RpcChannel, BlockingRpcChannel {
038}
039// This Interface is part of our public, client-facing API!!!
040// This belongs in client package but it is exposed in our public API so we cannot relocate.