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.impl; 018 019import java.util.ArrayList; 020import java.util.List; 021 022import org.apache.camel.Exchange; 023import org.apache.camel.spi.SubUnitOfWork; 024import org.apache.camel.spi.SubUnitOfWorkCallback; 025 026/** 027 * A default implementation of {@link org.apache.camel.spi.SubUnitOfWork} combined 028 * with a {@link SubUnitOfWorkCallback} to gather callbacks into this {@link SubUnitOfWork} state 029 */ 030public class DefaultSubUnitOfWork implements SubUnitOfWork, SubUnitOfWorkCallback { 031 032 private List<Exception> failedExceptions; 033 private boolean failed; 034 035 @Override 036 public void onExhausted(Exchange exchange) { 037 if (exchange.getException() != null) { 038 addFailedException(exchange.getException()); 039 failed = true; 040 } 041 } 042 043 @Override 044 public void onDone(Exchange exchange) { 045 if (exchange.getException() != null) { 046 addFailedException(exchange.getException()); 047 failed = true; 048 } 049 } 050 051 @Override 052 public boolean isFailed() { 053 return failed; 054 } 055 056 @Override 057 public List<Exception> getExceptions() { 058 return failedExceptions; 059 } 060 061 private void addFailedException(Exception exception) { 062 if (failedExceptions == null) { 063 failedExceptions = new ArrayList<Exception>(); 064 } 065 failedExceptions.add(exception); 066 } 067 068}