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.spi; 018 019import java.util.EventObject; 020 021import org.apache.camel.Exchange; 022import org.apache.camel.Processor; 023import org.apache.camel.model.ProcessorDefinition; 024 025/** 026 * A condition to define when a given {@link Exchange} matches when is being routed. 027 * <p/> 028 * Is used by the {@link org.apache.camel.spi.Debugger} to apply {@link Condition}s 029 * to {@link org.apache.camel.spi.Breakpoint}s to define rules when the breakpoints should match. 030 * 031 * @version 032 */ 033public interface Condition { 034 035 /** 036 * Does the condition match 037 * 038 * @param exchange the exchange 039 * @param processor the {@link Processor} 040 * @param definition the present location in the route where the {@link Exchange} is located at 041 * @return <tt>true</tt> to match, <tt>false</tt> otherwise 042 */ 043 boolean matchProcess(Exchange exchange, Processor processor, ProcessorDefinition<?> definition); 044 045 /** 046 * Does the condition match 047 * 048 * @param exchange the exchange 049 * @param event the event (instance of {@link org.apache.camel.management.event.AbstractExchangeEvent} 050 * @return <tt>true</tt> to match, <tt>false</tt> otherwise 051 * @see org.apache.camel.management.event.AbstractExchangeEvent 052 */ 053 boolean matchEvent(Exchange exchange, EventObject event); 054 055}