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1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.hadoop.hbase.ipc;
19
20  import com.google.protobuf.BlockingRpcChannel;
21  import com.google.protobuf.RpcChannel;
22  import org.apache.hadoop.hbase.classification.InterfaceAudience;
23  import org.apache.hadoop.hbase.classification.InterfaceStability;
24
25  /**
26   * Base interface which provides clients with an RPC connection to
27   * call coprocessor endpoint {@link com.google.protobuf.Service}s.
28   * Note that clients should not use this class directly, except through
29   * {@link org.apache.hadoop.hbase.client.Table#coprocessorService(byte[])}.
30   */
31  @InterfaceAudience.Public
32  @InterfaceStability.Evolving
33  public interface CoprocessorRpcChannel extends RpcChannel, BlockingRpcChannel {
34  }