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 }