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