1 /** 2 * Copyright The Apache Software Foundation 3 * 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 21 package org.apache.hadoop.hbase.client; 22 23 24 import org.apache.hadoop.hbase.MasterAdminProtocol; 25 26 import java.io.Closeable; 27 28 /** 29 * A KeepAlive connection is not physically closed immediately after the close, 30 * but rather kept alive for a few minutes. It makes sense only if it's shared. 31 * 32 * This interface is used by a dynamic proxy. It allows to have a #close 33 * function in a master client. 34 * 35 * This class is intended to be used internally by HBase classes that need to 36 * speak the MasterAdminProtocol; but not by * final user code. Hence it's 37 * package protected. 38 */ 39 interface MasterAdminKeepAliveConnection extends MasterAdminProtocol, Closeable { 40 41 @Override 42 public void close(); 43 } 44