Coverage Report - org.mule.construct.Bridge
 
Classes in this File Line Coverage Branch Coverage Complexity
Bridge
0%
0/32
0%
0/30
0
 
 1  
 /*
 2  
  * $Id$
 3  
  * --------------------------------------------------------------------------------------
 4  
  * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 5  
  *
 6  
  * The software in this package is published under the terms of the CPAL v1.0
 7  
  * license, a copy of which has been included with this distribution in the
 8  
  * LICENSE.txt file.
 9  
  */
 10  
 
 11  
 package org.mule.construct;
 12  
 
 13  
 import org.apache.commons.lang.Validate;
 14  
 import org.mule.MessageExchangePattern;
 15  
 import org.mule.api.MuleContext;
 16  
 import org.mule.api.construct.FlowConstructInvalidException;
 17  
 import org.mule.api.endpoint.InboundEndpoint;
 18  
 import org.mule.api.endpoint.OutboundEndpoint;
 19  
 import org.mule.api.source.MessageSource;
 20  
 import org.mule.config.i18n.MessageFactory;
 21  
 import org.mule.construct.processor.FlowConstructStatisticsMessageObserver;
 22  
 import org.mule.interceptor.LoggingInterceptor;
 23  
 import org.mule.processor.builder.InterceptingChainMessageProcessorBuilder;
 24  
 
 25  
 /**
 26  
  * A simple bridge between a single inbound endpoint and a single outbound endpoint.
 27  
  * It enforces a consistent exchange pattern across its endpoints. If declared
 28  
  * transactional, it ensures that the correct endpoint configuration is in place.
 29  
  */
 30  
 public class Bridge extends AbstractFlowConstruct
 31  
 {
 32  
     private final OutboundEndpoint outboundEndpoint;
 33  
     private final MessageExchangePattern exchangePattern;
 34  
     private final boolean transacted;
 35  
 
 36  
     public Bridge(String name,
 37  
                   MuleContext muleContext,
 38  
                   MessageSource messageSource,
 39  
                   OutboundEndpoint outboundEndpoint,
 40  
                   MessageExchangePattern exchangePattern,
 41  
                   boolean transacted)
 42  
     {
 43  0
         super(name, muleContext);
 44  
 
 45  0
         Validate.notNull(messageSource, "messageSource can't be null");
 46  0
         Validate.notNull(outboundEndpoint, "outboundEndpoint can't be null");
 47  0
         Validate.notNull(exchangePattern, "exchangePattern can't be null");
 48  
 
 49  0
         this.messageSource = messageSource;
 50  0
         this.outboundEndpoint = outboundEndpoint;
 51  0
         this.exchangePattern = exchangePattern;
 52  0
         this.transacted = transacted;
 53  0
     }
 54  
 
 55  
     @Override
 56  
     protected void configureMessageProcessors(InterceptingChainMessageProcessorBuilder builder)
 57  
     {
 58  0
         builder.chain(new LoggingInterceptor());
 59  0
         builder.chain(new FlowConstructStatisticsMessageObserver());
 60  0
         builder.chain(outboundEndpoint);
 61  0
     }
 62  
 
 63  
     @Override
 64  
     protected void validateConstruct() throws FlowConstructInvalidException
 65  
     {
 66  0
         super.validateConstruct();
 67  
 
 68  0
         if (messageSource instanceof InboundEndpoint)
 69  
         {
 70  0
             validateInboundEndpoint((InboundEndpoint) messageSource);
 71  
         }
 72  
 
 73  0
         validateOutboundEndpoint();
 74  0
     }
 75  
 
 76  
     private void validateOutboundEndpoint() throws FlowConstructInvalidException
 77  
     {
 78  0
         if (outboundEndpoint.getExchangePattern() != exchangePattern)
 79  
         {
 80  0
             throw new FlowConstructInvalidException(
 81  
                 MessageFactory.createStaticMessage("Inconsistent bridge outbound endpoint exchange pattern, expected "
 82  
                                                    + exchangePattern
 83  
                                                    + " but was "
 84  
                                                    + outboundEndpoint.getExchangePattern()), this);
 85  
         }
 86  
 
 87  0
         if (transacted
 88  
             && ((outboundEndpoint.getTransactionConfig() == null) || (!outboundEndpoint.getTransactionConfig()
 89  
                 .isConfigured())))
 90  
         {
 91  0
             throw new FlowConstructInvalidException(
 92  
                 MessageFactory.createStaticMessage("A transacted bridge requires a transacted outbound endpoint"),
 93  
                 this);
 94  
         }
 95  
 
 96  0
         if ((!transacted) && (outboundEndpoint.getTransactionConfig() != null)
 97  
             && (outboundEndpoint.getTransactionConfig().isConfigured()))
 98  
         {
 99  0
             throw new FlowConstructInvalidException(
 100  
                 MessageFactory.createStaticMessage("A non-transacted bridge requires a non-transacted outbound endpoint"),
 101  
                 this);
 102  
         }
 103  0
     }
 104  
 
 105  
     private void validateInboundEndpoint(InboundEndpoint inboundEndpoint)
 106  
         throws FlowConstructInvalidException
 107  
     {
 108  0
         if (inboundEndpoint.getExchangePattern() != exchangePattern)
 109  
         {
 110  0
             throw new FlowConstructInvalidException(
 111  
                 MessageFactory.createStaticMessage("Inconsistent bridge inbound endpoint exchange pattern, expected "
 112  
                                                    + exchangePattern
 113  
                                                    + " but was "
 114  
                                                    + inboundEndpoint.getExchangePattern()), this);
 115  
         }
 116  
 
 117  0
         if (transacted
 118  
             && ((inboundEndpoint.getTransactionConfig() == null) || (!inboundEndpoint.getTransactionConfig()
 119  
                 .isConfigured())))
 120  
         {
 121  0
             throw new FlowConstructInvalidException(
 122  
                 MessageFactory.createStaticMessage("A transacted bridge requires a transacted inbound endpoint"),
 123  
                 this);
 124  
         }
 125  
 
 126  0
         if ((!transacted) && (inboundEndpoint.getTransactionConfig() != null)
 127  
             && (inboundEndpoint.getTransactionConfig().isConfigured()))
 128  
         {
 129  0
             throw new FlowConstructInvalidException(
 130  
                 MessageFactory.createStaticMessage("A non-transacted bridge requires a non-transacted inbound endpoint"),
 131  
                 this);
 132  
         }
 133  0
     }
 134  
 }