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 */ 017 package org.apache.camel.spi; 018 019 import java.util.List; 020 021 import org.apache.camel.model.ProcessorDefinition; 022 023 /** 024 * A Unit of work that is also traceable with the 025 * {@link org.apache.camel.processor.interceptor.TraceInterceptor} so we can trace the excact 026 * route path a given {@link org.apache.camel.Exchange} has been processed. 027 * 028 * @version $Revision$ 029 */ 030 public interface TraceableUnitOfWork extends UnitOfWork { 031 032 /** 033 * Adds the given node that was intercepted 034 * 035 * @param node the node 036 */ 037 void addInterceptedNode(ProcessorDefinition node); 038 039 /** 040 * Gets the last intercepted node, is <tt>null</tt> if no last exists. 041 */ 042 ProcessorDefinition getLastInterceptedNode(); 043 044 /** 045 * Gets the current list of intercepted nodes, representing the route path the 046 * current {@link org.apache.camel.Exchange} has taken. 047 */ 048 List<ProcessorDefinition> getInterceptedNodes(); 049 050 }