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package org.mule.exception; |
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import org.mule.api.MuleContext; |
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import org.mule.api.MuleEvent; |
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import org.mule.api.MuleException; |
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import org.mule.api.construct.FlowConstruct; |
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import org.mule.api.lifecycle.Lifecycle; |
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import org.mule.api.lifecycle.Stoppable; |
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import org.mule.api.processor.MessageProcessor; |
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import org.mule.config.DefaultMuleConfiguration; |
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import org.mule.config.ExceptionHelper; |
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import org.mule.management.stats.FlowConstructStatistics; |
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import org.mule.management.stats.ServiceStatistics; |
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import org.mule.util.CollectionUtils; |
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import java.util.List; |
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public class DefaultServiceExceptionStrategy extends AbstractMessagingExceptionStrategy |
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{ |
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private boolean stopMessageProcessing; |
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public DefaultServiceExceptionStrategy() |
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{ |
40 | 0 | super(); |
41 | 0 | } |
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public DefaultServiceExceptionStrategy(MuleContext muleContext) |
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{ |
45 | 0 | super(); |
46 | 0 | setMuleContext(muleContext); |
47 | 0 | } |
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@Override |
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protected void doHandleException(Exception e, MuleEvent event) |
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{ |
52 | 0 | FlowConstructStatistics statistics = getFlowConstructStatistics(event.getFlowConstruct()); |
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54 | 0 | if (statistics != null && statistics.isEnabled()) |
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{ |
56 | 0 | statistics.incExecutionError(); |
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} |
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59 | 0 | super.doHandleException(DefaultMuleConfiguration.fullStackTraces ? e : (Exception) ExceptionHelper.sanitize(e), event); |
60 | 0 | } |
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@Override |
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protected void logFatal(MuleEvent event, Throwable t) |
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{ |
65 | 0 | FlowConstructStatistics statistics = getFlowConstructStatistics(event.getFlowConstruct()); |
66 | 0 | if (statistics != null && statistics.isEnabled()) |
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{ |
68 | 0 | statistics.incFatalError(); |
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} |
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71 | 0 | super.logFatal(event, t); |
72 | 0 | } |
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@Override |
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protected void routeException(MuleEvent event, MessageProcessor target, Throwable t) |
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{ |
77 | 0 | super.routeException(event, target, t); |
78 | 0 | List<MessageProcessor> processors = getMessageProcessors(); |
79 | 0 | if (CollectionUtils.isNotEmpty(processors) && getFlowConstructStatistics(event.getFlowConstruct()) instanceof ServiceStatistics) |
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{ |
81 | 0 | ServiceStatistics statistics = getServiceStatistics(event.getFlowConstruct()); |
82 | 0 | if (statistics.isEnabled()) |
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{ |
84 | 0 | for (MessageProcessor endpoint : processors) |
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{ |
86 | 0 | statistics.getOutboundRouterStat().incrementRoutedMessage(endpoint); |
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} |
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} |
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} |
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91 | 0 | if (stopMessageProcessing) |
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{ |
93 | 0 | stopFlowConstruct(); |
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} |
95 | 0 | } |
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private void stopFlowConstruct() |
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{ |
99 | 0 | if (flowConstruct instanceof Stoppable) |
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{ |
101 | 0 | logger.info("Stopping flow '" + flowConstruct.getName() + "' due to exception"); |
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try |
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{ |
105 | 0 | ((Lifecycle) flowConstruct).stop(); |
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} |
107 | 0 | catch (MuleException e) |
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{ |
109 | 0 | logger.error("Unable to stop flow '" + flowConstruct.getName() + "'", e); |
110 | 0 | } |
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} |
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else |
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{ |
114 | 0 | logger.warn("Flow is not stoppable"); |
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} |
116 | 0 | } |
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protected FlowConstructStatistics getFlowConstructStatistics(FlowConstruct flowConstruct) |
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{ |
120 | 0 | if (flowConstruct != null ) |
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{ |
122 | 0 | return flowConstruct.getStatistics(); |
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} |
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else |
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{ |
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128 | 0 | return null; |
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} |
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} |
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protected ServiceStatistics getServiceStatistics(FlowConstruct flowConstruct) |
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{ |
134 | 0 | FlowConstructStatistics stats = getFlowConstructStatistics(flowConstruct); |
135 | 0 | if (!(stats instanceof ServiceStatistics)) |
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{ |
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|
138 | 0 | logger.fatal("The Default Service Exception Strategy has been invoked but there is no current service on the context. Please report this to dev@mule.codehaus.org"); |
139 | 0 | return null; |
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} |
141 | 0 | return (ServiceStatistics) stats; |
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} |
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public boolean isStopMessageProcessing() |
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{ |
146 | 0 | return stopMessageProcessing; |
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} |
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public void setStopMessageProcessing(boolean stopMessageProcessing) |
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{ |
151 | 0 | this.stopMessageProcessing = stopMessageProcessing; |
152 | 0 | } |
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} |