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.camel.management.event; 018 019import java.util.EventObject; 020 021import org.apache.camel.Endpoint; 022import org.apache.camel.Exchange; 023 024/** 025 * Event for <b>before</b> sending an {@link Exchange} to an {@link Endpoint}. 026 * <p/> 027 * This event is emitted before attempting to send the {@link Exchange} to an {@link Endpoint}. 028 * There is still some internal processing done before the actual sending takes places, and 029 * therefore it is not 100% guaranteed that the sending actually happens, as an 030 * internal error may occur. 031 * <p/> 032 * The {@link ExchangeSentEvent} is an event which is emitted <b>after</b> the sending is done. 033 * <p/> 034 * These two events (sending and sent) come in a pair, and therefore you need to make sure to return 035 * <tt>true</tt> for both events in the {@link org.apache.camel.spi.EventNotifier#isEnabled(EventObject)} 036 * method to receive events for either of them. 037 * 038 * @see ExchangeSentEvent 039 * @version 040 */ 041public class ExchangeSendingEvent extends AbstractExchangeEvent { 042 private static final long serialVersionUID = -19248832613958122L; 043 044 private final Endpoint endpoint; 045 046 public ExchangeSendingEvent(Exchange source, Endpoint endpoint) { 047 super(source); 048 this.endpoint = endpoint; 049 } 050 051 public Endpoint getEndpoint() { 052 return endpoint; 053 } 054 055 @Override 056 public String toString() { 057 return getExchange().getExchangeId() + " exchange " + getExchange() + " sending to: " + endpoint; 058 } 059 060}