001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.activemq.transport; 018 019import java.io.IOException; 020 021/** 022 * An asynchronous listener of commands 023 * 024 * 025 */ 026public class DefaultTransportListener implements TransportListener { 027 028 /** 029 * called to process a command 030 * 031 * @param command 032 */ 033 public void onCommand(Object command) { 034 } 035 036 /** 037 * An unrecoverable exception has occured on the transport 038 * 039 * @param error 040 */ 041 public void onException(IOException error) { 042 } 043 044 /** 045 * The transport has suffered an interuption from which it hopes to recover 046 */ 047 public void transportInterupted() { 048 } 049 050 /** 051 * The transport has resumed after an interuption 052 */ 053 public void transportResumed() { 054 } 055 056}