content: /**
   * Copyright The Apache Software Foundation
   *
   * 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 com.alibaba.wasp.client;
  
  import com.alibaba.wasp.master.FMasterAdminProtocol;
  
  import java.io.Closeable;
  
  /**
   * A KeepAlive connection is not physically closed immediately after the close,
   * but rather kept alive for a few minutes. It makes sense only if it's shared.
   * 
   * This interface is used by a dynamic proxy. It allows to have a #close
   * function in a master client.
   * 
   * This class is intended to be used internally by HBase classes that need to
   * speak the MasterAdminProtocol; but not by * final user code. Hence it's
   * package protected.
   */
  public interface MasterAdminKeepAliveConnection extends FMasterAdminProtocol,
      Closeable {
    @Override
    public void close();
  }
  