Author: buildbot Date: Thu Oct 6 15:21:23 2016 New Revision: 998968 Log: Production update by buildbot for camel
Modified: websites/production/camel/content/book-in-one-page.html websites/production/camel/content/book-pattern-appendix.html websites/production/camel/content/cache/main.pageCache websites/production/camel/content/load-balancer.html Modified: websites/production/camel/content/book-in-one-page.html ============================================================================== --- websites/production/camel/content/book-in-one-page.html (original) +++ websites/production/camel/content/book-in-one-page.html Thu Oct 6 15:21:23 2016 @@ -1551,9 +1551,9 @@ However, there is another option that th </div><h3 id="BookInOnePage-MessageConstruction">Message Construction</h3><div class="table-wrap"> <table class="confluenceTable"><tbody><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/EventMessageIcon.gif" data-image-src="http://www.eaipatterns.com/img/EventMessageIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="event-message.html">Event Message</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can messaging be used to transmit events from one application to another?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/RequestReplyIcon.gif" data-image-src="http://www.eaipatterns.com/img/RequestReplyIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="request-reply.html">Request Reply</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>When an application sends a message, how can it get a response from the receiver?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/CorrelationIdentifierIcon.gif" data-image-src="http://www.eaipatterns.com/img/CorrelationIdentifierIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="correlation-identifier.html">Correlation Identifier</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How does a requestor that has received a reply know which request this is the reply for?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" sr c="http://www.eaipatterns.com/img/ReturnAddressIcon.gif" data-image-src="http://www.eaipatterns.com/img/ReturnAddressIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="return-address.html">Return Address</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How does a replier know where to send the reply?</p></td></tr></tbody></table> </div><h3 id="BookInOnePage-MessageRouting">Message Routing</h3><div class="table-wrap"> - <table class="confluenceTable"><tbody><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/ContentBasedRouterIcon.gif" data-image-src="http://www.eaipatterns.com/img/ContentBasedRouterIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="content-based-router.html">Content Based Router</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do we handle a situation where the implementation of a single logical function (e.g., inventory check) is spread across multiple physical systems?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/MessageFilterIcon.gif" data-image-src="http://www.eaipatterns.com/img/Messa geFilterIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="message-filter.html">Message Filter</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can a component avoid receiving uninteresting messages?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/DynamicRouterIcon.gif" data-image-src="http://www.eaipatterns.com/img/DynamicRouterIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="dynamic-router.html">Dynamic Router</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can you avoid the dependency of the router on all possible destinations while maintaining its efficiency?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"> <img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/RecipientListIcon.gif" data-image-src="http://www.eaipatterns.com/img/RecipientListIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="recipient-list.html">Recipient List</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do we route a message to a list of (static or dynamically) specified recipients?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/SplitterIcon.gif" data-image-src="http://www.eaipatterns.com/img/SplitterIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="splitter.html">Splitter</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can we process a message if it contains multiple elements, each of which may have to be processed in a different way?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/AggregatorIcon.gif" data-image-src="http://www.eaipatterns.com/img/AggregatorIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="aggregator2.html">Aggregator</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do we combine the results of individual, but related messages so that they can be processed as a whole?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/ResequencerIcon.gif" data-image-src="http://www.eaipatterns.com/img/ResequencerIcon.gif"></span></p>< /td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="resequencer.html">Resequencer</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can we get a stream of related but out-of-sequence messages back into the correct order?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/DistributionAggregateIcon.gif" data-image-src="http://www.eaipatterns.com/img/DistributionAggregateIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="composed-message-processor.html">Composed Message Processor</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can you maintain the overall message flow when processing a message consisting of multiple elements, each of which may require different processing?</p></td></tr><tr><td colspan="1" row span="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="scatter-gather.html">Scatter-Gather</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do you maintain the overall message flow when a message needs to be sent to multiple recipients, each of which may send a reply?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/RoutingTableIcon.gif" data-image-src="http://www.eaipatterns.com/img/RoutingTableIcon.gif"></span></p></td><td colspan="1" rowspan="1" clas s="confluenceTd"><p><a shape="rect" href="routing-slip.html">Routing Slip</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do we route a message consecutively through a series of processing steps when the sequence of steps is not known at design-time and may vary for each message?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="throttler.html">Throttler</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can I throttle messages to ensure that a specific endpoint does not get overloaded, or we don't exceed an agreed SLA with some external service?</p></td></tr><tr ><td colspan="1" rowspan="1" class="confluenceTd"><p><span >class="confluence-embedded-file-wrapper"><img >class="confluence-embedded-image confluence-external-resource" >src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" >data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td > colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" >href="sampling.html">Sampling</a></p></td><td colspan="1" rowspan="1" >class="confluenceTd"><p>How can I sample one message out of many in a given >period to avoid downstream route does not get >overloaded?</p></td></tr><tr><td colspan="1" rowspan="1" >class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img >class="confluence-embedded-image confluence-external-resource" >src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" >data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td > col span="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="delayer.html">Delayer</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can I delay the sending of a message?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="load-balancer.html">Load Balancer</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can I balance load across a number of endpoints?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> </td><td colspan="1" rowspan="1" class="confluenceTd"><a shape="rect" href="hystrix-eip.html">Hystrix</a></td><td colspan="1" rowspan="1" class="confluenceTd">To use Hystrix Circuit Breaker when calling an external service.</td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> </td><td colspan="1" rowspan="1" class="confluenceTd"><a shape="rect" href="servicecall-eip.html">Service Call</a></td><td colspan="1" rowspan="1" class="confluenceTd">To call a remote service in a distributed system where the service is looked up from a service registry of some sorts.</td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="multicast.html">Multicast</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can I route a message to a number of endpoints at the same time?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="loop.html">Loop</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can I repeat processing a message in a loop?</p></td></tr></tbody></table> + <table class="confluenceTable"><tbody><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/ContentBasedRouterIcon.gif" data-image-src="http://www.eaipatterns.com/img/ContentBasedRouterIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="content-based-router.html">Content Based Router</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do we handle a situation where the implementation of a single logical function (e.g., inventory check) is spread across multiple physical systems?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/MessageFilterIcon.gif" data-image-src="http://www.eaipatterns.com/img/Messa geFilterIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="message-filter.html">Message Filter</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can a component avoid receiving uninteresting messages?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/DynamicRouterIcon.gif" data-image-src="http://www.eaipatterns.com/img/DynamicRouterIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="dynamic-router.html">Dynamic Router</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can you avoid the dependency of the router on all possible destinations while maintaining its efficiency?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"> <img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/RecipientListIcon.gif" data-image-src="http://www.eaipatterns.com/img/RecipientListIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="recipient-list.html">Recipient List</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do we route a message to a list of (static or dynamically) specified recipients?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/SplitterIcon.gif" data-image-src="http://www.eaipatterns.com/img/SplitterIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="splitter.html">Splitter</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can we process a message if it contains multiple elements, each of which may have to be processed in a different way?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/AggregatorIcon.gif" data-image-src="http://www.eaipatterns.com/img/AggregatorIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="aggregator2.html">Aggregator</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do we combine the results of individual, but related messages so that they can be processed as a whole?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/ResequencerIcon.gif" data-image-src="http://www.eaipatterns.com/img/ResequencerIcon.gif"></span></p>< /td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="resequencer.html">Resequencer</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can we get a stream of related but out-of-sequence messages back into the correct order?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/DistributionAggregateIcon.gif" data-image-src="http://www.eaipatterns.com/img/DistributionAggregateIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="composed-message-processor.html">Composed Message Processor</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can you maintain the overall message flow when processing a message consisting of multiple elements, each of which may require different processing?</p></td></tr><tr><td colspan="1" row span="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="scatter-gather.html">Scatter-Gather</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do you maintain the overall message flow when a message needs to be sent to multiple recipients, each of which may send a reply?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/RoutingTableIcon.gif" data-image-src="http://www.eaipatterns.com/img/RoutingTableIcon.gif"></span></p></td><td colspan="1" rowspan="1" clas s="confluenceTd"><p><a shape="rect" href="routing-slip.html">Routing Slip</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do we route a message consecutively through a series of processing steps when the sequence of steps is not known at design-time and may vary for each message?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="throttler.html">Throttler</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can I throttle messages to ensure that a specific endpoint does not get overloaded, or we don't exceed an agreed SLA with some external service?</p></td></tr><tr ><td colspan="1" rowspan="1" class="confluenceTd"><p><span >class="confluence-embedded-file-wrapper"><img >class="confluence-embedded-image confluence-external-resource" >src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" >data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td > colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" >href="sampling.html">Sampling</a></p></td><td colspan="1" rowspan="1" >class="confluenceTd"><p>How can I sample one message out of many in a given >period to avoid downstream route does not get >overloaded?</p></td></tr><tr><td colspan="1" rowspan="1" >class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img >class="confluence-embedded-image confluence-external-resource" >src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" >data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td > col span="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="delayer.html">Delayer</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can I delay the sending of a message?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="load-balancer.html">Load Balancer</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can I balance load across a number of endpoints?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> </td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="hystrix-eip.html">Hystrix</a></p></td><td colspan="1" rowsp an="1" class="confluenceTd"><p>To use Hystrix Circuit Breaker when calling an external service.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> </td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="servicecall-eip.html">Service Call</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>To call a remote service in a distributed system where the service is looked up from a service registry of some sorts.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="multicast.html">Multicast</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>H ow can I route a message to a number of endpoints at the same time?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="loop.html">Loop</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can I repeat processing a message in a loop?</p></td></tr></tbody></table> </div><h3 id="BookInOnePage-MessageTransformation">Message Transformation</h3><div class="table-wrap"> - <table class="confluenceTable"><tbody><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/DataEnricherIcon.gif" data-image-src="http://www.eaipatterns.com/img/DataEnricherIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="content-enricher.html">Content Enricher</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do we communicate with another system if the message originator does not have all the required data items available?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/ContentFilterIcon.gif" data-image-src="http://www.eaipatterns.com/img/ContentFilterIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="content-filter.html">Content Filter</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do you simplify dealing with a large message, when you are interested only in a few data items?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/StoreInLibraryIcon.gif" data-image-src="http://www.eaipatterns.com/img/StoreInLibraryIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="claim-check.html">Claim Check</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can we reduce the data volume of message sent across the system without sacrificing information content?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="con fluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/NormalizerIcon.gif" data-image-src="http://www.eaipatterns.com/img/NormalizerIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="normalizer.html">Normalizer</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do you process messages that are semantically equivalent, but arrive in a different format?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="sort.html">Sort</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can I sort the bod y of a message?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> </td><td colspan="1" rowspan="1" class="confluenceTd">Script</td><td colspan="1" rowspan="1" class="confluenceTd">How do I execute a script which may not change the message?</td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="validate.html">Validate</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can I validate a message?</p></td></tr></tbody></table> + <table class="confluenceTable"><tbody><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/DataEnricherIcon.gif" data-image-src="http://www.eaipatterns.com/img/DataEnricherIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="content-enricher.html">Content Enricher</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do we communicate with another system if the message originator does not have all the required data items available?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/ContentFilterIcon.gif" data-image-src="http://www.eaipatterns.com/img/ContentFilterIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="content-filter.html">Content Filter</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do you simplify dealing with a large message, when you are interested only in a few data items?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/StoreInLibraryIcon.gif" data-image-src="http://www.eaipatterns.com/img/StoreInLibraryIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="claim-check.html">Claim Check</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can we reduce the data volume of message sent across the system without sacrificing information content?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="con fluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/NormalizerIcon.gif" data-image-src="http://www.eaipatterns.com/img/NormalizerIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="normalizer.html">Normalizer</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do you process messages that are semantically equivalent, but arrive in a different format?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="sort.html">Sort</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can I sort the bod y of a message?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> </td><td colspan="1" rowspan="1" class="confluenceTd"><p>Script</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do I execute a script which may not change the message?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="validate.html">Validate</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can I validate a message?</p></td></tr></tbody></table> </div><h3 id="BookInOnePage-MessagingEndpoints">Messaging Endpoints</h3><div class="table-wrap"> <table class="confluenceTable"><tbody><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="messaging-mapper.html">Messaging Mapper</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do you move data between domain objects and the messaging infrastructure while keeping the two independent of each other?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/EventDrivenConsumerIcon.gif" data-image-src="http://www.eaipatterns.com/img/Even tDrivenConsumerIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="event-driven-consumer.html">Event Driven Consumer</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can an application automatically consume messages as they become available?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/PollingConsumerIcon.gif" data-image-src="http://www.eaipatterns.com/img/PollingConsumerIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="polling-consumer.html">Polling Consumer</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can an application consume a message when the application is ready?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-fil e-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/CompetingConsumersIcon.gif" data-image-src="http://www.eaipatterns.com/img/CompetingConsumersIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="competing-consumers.html">Competing Consumers</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can a messaging client process multiple messages concurrently?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/MessageDispatcherIcon.gif" data-image-src="http://www.eaipatterns.com/img/MessageDispatcherIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="message-dispatcher.html">Message Dispatcher</a></p></td><td colspan="1" rowspan="1" class="confluence Td"><p>How can multiple consumers on a single channel coordinate their message processing?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/MessageSelectorIcon.gif" data-image-src="http://www.eaipatterns.com/img/MessageSelectorIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="selective-consumer.html">Selective Consumer</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can a message consumer select which messages it wishes to receive?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/DurableSubscriptionIcon.gif" data-image-src="http://www.eaipatterns.com/img/DurableSubscriptionIcon. gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="durable-subscriber.html">Durable Subscriber</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can a subscriber avoid missing messages while it's not listening for them?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png" data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="idempotent-consumer.html">Idempotent Consumer</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can a message receiver deal with duplicate messages?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file- wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/TransactionalClientIcon.gif" data-image-src="http://www.eaipatterns.com/img/TransactionalClientIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="transactional-client.html">Transactional Client</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can a client control its transactions with the messaging system?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/MessagingGatewayIcon.gif" data-image-src="http://www.eaipatterns.com/img/MessagingGatewayIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="messaging-gateway.html">Messaging Gateway</a></p></td><td colspan="1" rowspan="1" class="confluence Td"><p>How do you encapsulate access to the messaging system from the rest of the application?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image confluence-external-resource" src="http://www.eaipatterns.com/img/MessagingAdapterIcon.gif" data-image-src="http://www.eaipatterns.com/img/MessagingAdapterIcon.gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" href="service-activator.html">Service Activator</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can an application design a service to be invoked both via various messaging technologies and via non-messaging techniques?</p></td></tr></tbody></table> </div><h3 id="BookInOnePage-SystemManagement">System Management</h3><div class="table-wrap"> @@ -4040,11 +4040,11 @@ The tutorial has been designed in two pa While not actual tutorials you might find working through the source of the various <a shape="rect" href="examples.html">Examples</a> useful.</li></ul> <h2 id="BookInOnePage-TutorialonSpringRemotingwithJMS">Tutorial on Spring Remoting with JMS</h2><p> </p><div class="confluence-information-macro confluence-information-macro-information"><p class="title">Thanks</p><span class="aui-icon aui-icon-small aui-iconfont-info confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>This tutorial was kindly donated to Apache Camel by Martin Gilday.</p></div></div><h2 id="BookInOnePage-Preface">Preface</h2><p>This tutorial aims to guide the reader through the stages of creating a project which uses Camel to facilitate the routing of messages from a JMS queue to a <a shape="rect" class="external-link" href="http://www.springramework.org" rel="nofollow">Spring</a> service. The route works in a synchronous fashion returning a response to the client.</p><p><style type="text/css">/*<![CDATA[*/ -div.rbtoc1475659203190 {padding: 0px;} -div.rbtoc1475659203190 ul {list-style: disc;margin-left: 0px;} -div.rbtoc1475659203190 li {margin-left: 0px;padding-left: 0px;} +div.rbtoc1475767129863 {padding: 0px;} +div.rbtoc1475767129863 ul {list-style: disc;margin-left: 0px;} +div.rbtoc1475767129863 li {margin-left: 0px;padding-left: 0px;} -/*]]>*/</style></p><div class="toc-macro rbtoc1475659203190"> +/*]]>*/</style></p><div class="toc-macro rbtoc1475767129863"> <ul class="toc-indentation"><li><a shape="rect" href="#BookInOnePage-TutorialonSpringRemotingwithJMS">Tutorial on Spring Remoting with JMS</a></li><li><a shape="rect" href="#BookInOnePage-Preface">Preface</a></li><li><a shape="rect" href="#BookInOnePage-Prerequisites">Prerequisites</a></li><li><a shape="rect" href="#BookInOnePage-Distribution">Distribution</a></li><li><a shape="rect" href="#BookInOnePage-About">About</a></li><li><a shape="rect" href="#BookInOnePage-CreatetheCamelProject">Create the Camel Project</a> <ul class="toc-indentation"><li><a shape="rect" href="#BookInOnePage-UpdatethePOMwithDependencies">Update the POM with Dependencies</a></li></ul> </li><li><a shape="rect" href="#BookInOnePage-WritingtheServer">Writing the Server</a> @@ -6159,11 +6159,11 @@ So we completed the last piece in the pi <p>This example has been removed from <strong>Camel 2.9</strong> onwards. Apache Axis 1.4 is a very old and unsupported framework. We encourage users to use <a shape="rect" href="cxf.html">CXF</a> instead of Axis.</p></div></div> <style type="text/css">/*<![CDATA[*/ -div.rbtoc1475659204319 {padding: 0px;} -div.rbtoc1475659204319 ul {list-style: disc;margin-left: 0px;} -div.rbtoc1475659204319 li {margin-left: 0px;padding-left: 0px;} +div.rbtoc1475767131065 {padding: 0px;} +div.rbtoc1475767131065 ul {list-style: disc;margin-left: 0px;} +div.rbtoc1475767131065 li {margin-left: 0px;padding-left: 0px;} -/*]]>*/</style><div class="toc-macro rbtoc1475659204319"> +/*]]>*/</style><div class="toc-macro rbtoc1475767131065"> <ul class="toc-indentation"><li><a shape="rect" href="#BookInOnePage-TutorialusingAxis1.4withApacheCamel">Tutorial using Axis 1.4 with Apache Camel</a> <ul class="toc-indentation"><li><a shape="rect" href="#BookInOnePage-Prerequisites">Prerequisites</a></li><li><a shape="rect" href="#BookInOnePage-Distribution">Distribution</a></li><li><a shape="rect" href="#BookInOnePage-Introduction">Introduction</a></li><li><a shape="rect" href="#BookInOnePage-SettinguptheprojecttorunAxis">Setting up the project to run Axis</a> <ul class="toc-indentation"><li><a shape="rect" href="#BookInOnePage-Maven2">Maven 2</a></li><li><a shape="rect" href="#BookInOnePage-wsdl">wsdl</a></li><li><a shape="rect" href="#BookInOnePage-ConfiguringAxis">Configuring Axis</a></li><li><a shape="rect" href="#BookInOnePage-RunningtheExample">Running the Example</a></li></ul> @@ -13128,13 +13128,13 @@ from("direct:start") <div class="codeContent panelContent pdl"> <script class="brush: java; gutter: false; theme: Default" type="syntaxhighlighter"> public static class MyLoadBalancer extends LoadBalancerSupport { public boolean process(Exchange exchange, AsyncCallback callback) { String body = exchange.getIn().getBody(String.class); try { if (&quot;x&quot;.equals(body)) { getProcessors().get(0).process(exchange); } else if (&quot;y&quot;.equals(body)) { getProcessors().get(1).process(exchange); } else { getProcessors().get(2).process(exchange); } } catch (Throwable e) { exchange.setException(e); } callback.done(true); return true; } } </script> </div> - </div><h3 id="BookInOnePage-CircuitBreaker">Circuit Breaker</h3><p>The Circuit Breaker load balancer is a stateful pattern that monitors all calls for certain exceptions. Initially the Circuit Breaker is in closed state and passes all messages. If there are failures and the threshold is reached, it moves to open state and rejects all calls until halfOpenAfter timeout is reached. After this timeout is reached, if there is a new call, it will pass and if the result is success the Circuit Breaker will move to closed state, or to open state if there was an error.</p><p>An example using Java DSL:</p><div class="code panel pdl" style="border-width: 1px;"> + </div><h3 id="BookInOnePage-CircuitBreaker">Circuit Breaker</h3><p>The Circuit Breaker load balancer is a stateful pattern that monitors all calls for certain exceptions. Initially the Circuit Breaker is in closed state and passes all messages. If there are failures and the threshold is reached, it moves to open state and rejects all calls until halfOpenAfter timeout is reached. After this timeout is reached, if there is a new call, it will pass and if the result is success the Circuit Breaker will move to closed state, or to open state if there was an error.</p><p>When the circuit breaker is closed, it will throw a <code>java.util.concurrent.RejectedExecutionException</code>. This can then be caught to provide an alternate path for processing exchanges.</p><p>An example using Java DSL:</p><div class="code panel pdl" style="border-width: 1px;"> <div class="codeContent panelContent pdl"> - <script class="brush: java; gutter: false; theme: Default" type="syntaxhighlighter">from(&quot;direct:start&quot;).loadBalance() .circuitBreaker(2, 1000L, MyCustomException.class) .to(&quot;mock:result&quot;); </script> + <script class="brush: java; gutter: false; theme: Default" type="syntaxhighlighter">from(&quot;direct:start&quot;) .onException(RejectedExecutionException.class) .handled(true) .to(&quot;mock:serviceUnavailable&quot;) .end() .loadBalance() .circuitBreaker(2, 1000L, MyCustomException.class) .to(&quot;mock:service&quot;) .end(); </script> </div> </div><p>And the same example using Spring XML:</p><div class="code panel pdl" style="border-width: 1px;"> <div class="codeContent panelContent pdl"> - <script class="brush: xml; gutter: false; theme: Default" type="syntaxhighlighter">&lt;camelContext id=&quot;camel&quot; xmlns=&quot;http://camel.apache.org/schema/spring&quot;&gt; &lt;route&gt; &lt;from uri=&quot;direct:start&quot;/&gt; &lt;loadBalance&gt; &lt;circuitBreaker threshold=&quot;2&quot; halfOpenAfter=&quot;1000&quot;&gt; &lt;exception&gt;MyCustomException&lt;/exception&gt; &lt;/circuitBreaker&gt; &lt;to uri=&quot;mock:result&quot;/&gt; &lt;/loadBalance&gt; &lt;/route&gt; &lt;/camelContext&gt; </script> + <script class="brush: xml; gutter: false; theme: Default" type="syntaxhighlighter">&lt;camelContext id=&quot;camel&quot; xmlns=&quot;http://camel.apache.org/schema/spring&quot;&gt; &lt;route&gt; &lt;from uri=&quot;direct:start&quot;/&gt; &lt;onException&gt; &lt;exception&gt;java.util.concurrent.RejectedExecutionException&lt;/exception&gt; &lt;handled&gt;&lt;constant&gt;true&lt;/constant&gt;&lt;/handled&gt; &lt;to uri=&quot;mock:serviceUnavailable&quot;/&gt; &lt;/onException&gt; &lt;loadBalance&gt; &lt;circuitBreaker threshold=&quot;2&quot; halfOpenAfter=&quot;1000&quot;&gt; &lt;exception&gt;MyCustomException&lt;/exception&gt; &lt;/circuitBreaker&gt; &lt;to uri=&quot;mock:service&quot;/&gt; &lt;/loadBalance&gt; &lt;/route&gt; &lt;/camelContext&gt; </script > </div> </div><p></p><h4 id="BookInOnePage-UsingThisPattern.27">Using This Pattern</h4> <p>If you would like to use this EIP Pattern then please read the <a shape="rect" href="getting-started.html">Getting Started</a>, you may also find the <a shape="rect" href="architecture.html">Architecture</a> useful particularly the description of <a shape="rect" href="endpoint.html">Endpoint</a> and <a shape="rect" href="uris.html">URIs</a>. Then you could try out some of the <a shape="rect" href="examples.html">Examples</a> first before trying this pattern out.</p><h3 id="BookInOnePage-Multicast">Multicast</h3><p>The Multicast allows to route the same message to a number of endpoints and process them in a different way. The main difference between the Multicast and Splitter is that Splitter will split the message into several pieces but the Multicast will not modify the request message.</p><h3 id="BookInOnePage-Options.16">Options</h3><div class="confluenceTableSmall"> <div class="table-wrap"> @@ -14385,8 +14385,8 @@ cometds://localhost:8443/service/mychann <div class="confluence-information-macro-body"> <p>When using CXF in streaming modes (see DataFormat option), then also read about <a shape="rect" href="stream-caching.html">Stream caching</a>.</p> </div> -</div><p>The <strong>cxf:</strong> component provides integration with <a shape="rect" href="http://cxf.apache.org">Apache CXF</a> for connecting to JAX-WS services hosted in CXF.</p><p><style type="text/css">/**/ div.rbtoc1475659222415 {padding: 0px;} div.rbtoc1475659222415 ul {list-style: disc;margin-left: 0px;} div.rbtoc1475659222415 li {margin-left: 0px;padding-left: 0px;} /**/</style> - </p><div class="toc-macro rbtoc1475659222415"> +</div><p>The <strong>cxf:</strong> component provides integration with <a shape="rect" href="http://cxf.apache.org">Apache CXF</a> for connecting to JAX-WS services hosted in CXF.</p><p><style type="text/css">/**/ div.rbtoc1475767156464 {padding: 0px;} div.rbtoc1475767156464 ul {list-style: disc;margin-left: 0px;} div.rbtoc1475767156464 li {margin-left: 0px;padding-left: 0px;} /**/</style> + </p><div class="toc-macro rbtoc1475767156464"> <ul class="toc-indentation"><li><a shape="rect" href="#BookInOnePage-CXFComponent">CXF Component</a> <ul class="toc-indentation"><li><a shape="rect" href="#BookInOnePage-URIformat">URI format</a></li><li><a shape="rect" href="#BookInOnePage-Options">Options</a> <ul class="toc-indentation"><li><a shape="rect" href="#BookInOnePage-Thedescriptionsofthedataformats">The descriptions of the dataformats</a> Modified: websites/production/camel/content/book-pattern-appendix.html ============================================================================== --- websites/production/camel/content/book-pattern-appendix.html (original) +++ websites/production/camel/content/book-pattern-appendix.html Thu Oct 6 15:21:23 2016 @@ -1418,13 +1418,13 @@ <div class="codeContent panelContent pdl"> <script class="brush: java; gutter: false; theme: Default" type="syntaxhighlighter"> public static class MyLoadBalancer extends LoadBalancerSupport { public boolean process(Exchange exchange, AsyncCallback callback) { String body = exchange.getIn().getBody(String.class); try { if (&quot;x&quot;.equals(body)) { getProcessors().get(0).process(exchange); } else if (&quot;y&quot;.equals(body)) { getProcessors().get(1).process(exchange); } else { getProcessors().get(2).process(exchange); } } catch (Throwable e) { exchange.setException(e); } callback.done(true); return true; } } </script> </div> - </div><h3 id="BookPatternAppendix-CircuitBreaker">Circuit Breaker</h3><p>The Circuit Breaker load balancer is a stateful pattern that monitors all calls for certain exceptions. Initially the Circuit Breaker is in closed state and passes all messages. If there are failures and the threshold is reached, it moves to open state and rejects all calls until halfOpenAfter timeout is reached. After this timeout is reached, if there is a new call, it will pass and if the result is success the Circuit Breaker will move to closed state, or to open state if there was an error.</p><p>An example using Java DSL:</p><div class="code panel pdl" style="border-width: 1px;"> + </div><h3 id="BookPatternAppendix-CircuitBreaker">Circuit Breaker</h3><p>The Circuit Breaker load balancer is a stateful pattern that monitors all calls for certain exceptions. Initially the Circuit Breaker is in closed state and passes all messages. If there are failures and the threshold is reached, it moves to open state and rejects all calls until halfOpenAfter timeout is reached. After this timeout is reached, if there is a new call, it will pass and if the result is success the Circuit Breaker will move to closed state, or to open state if there was an error.</p><p>When the circuit breaker is closed, it will throw a <code>java.util.concurrent.RejectedExecutionException</code>. This can then be caught to provide an alternate path for processing exchanges.</p><p>An example using Java DSL:</p><div class="code panel pdl" style="border-width: 1px;"> <div class="codeContent panelContent pdl"> - <script class="brush: java; gutter: false; theme: Default" type="syntaxhighlighter">from(&quot;direct:start&quot;).loadBalance() .circuitBreaker(2, 1000L, MyCustomException.class) .to(&quot;mock:result&quot;); </script> + <script class="brush: java; gutter: false; theme: Default" type="syntaxhighlighter">from(&quot;direct:start&quot;) .onException(RejectedExecutionException.class) .handled(true) .to(&quot;mock:serviceUnavailable&quot;) .end() .loadBalance() .circuitBreaker(2, 1000L, MyCustomException.class) .to(&quot;mock:service&quot;) .end(); </script> </div> </div><p>And the same example using Spring XML:</p><div class="code panel pdl" style="border-width: 1px;"> <div class="codeContent panelContent pdl"> - <script class="brush: xml; gutter: false; theme: Default" type="syntaxhighlighter">&lt;camelContext id=&quot;camel&quot; xmlns=&quot;http://camel.apache.org/schema/spring&quot;&gt; &lt;route&gt; &lt;from uri=&quot;direct:start&quot;/&gt; &lt;loadBalance&gt; &lt;circuitBreaker threshold=&quot;2&quot; halfOpenAfter=&quot;1000&quot;&gt; &lt;exception&gt;MyCustomException&lt;/exception&gt; &lt;/circuitBreaker&gt; &lt;to uri=&quot;mock:result&quot;/&gt; &lt;/loadBalance&gt; &lt;/route&gt; &lt;/camelContext&gt; </script> + <script class="brush: xml; gutter: false; theme: Default" type="syntaxhighlighter">&lt;camelContext id=&quot;camel&quot; xmlns=&quot;http://camel.apache.org/schema/spring&quot;&gt; &lt;route&gt; &lt;from uri=&quot;direct:start&quot;/&gt; &lt;onException&gt; &lt;exception&gt;java.util.concurrent.RejectedExecutionException&lt;/exception&gt; &lt;handled&gt;&lt;constant&gt;true&lt;/constant&gt;&lt;/handled&gt; &lt;to uri=&quot;mock:serviceUnavailable&quot;/&gt; &lt;/onException&gt; &lt;loadBalance&gt; &lt;circuitBreaker threshold=&quot;2&quot; halfOpenAfter=&quot;1000&quot;&gt; &lt;exception&gt;MyCustomException&lt;/exception&gt; &lt;/circuitBreaker&gt; &lt;to uri=&quot;mock:service&quot;/&gt; &lt;/loadBalance&gt; &lt;/route&gt; &lt;/camelContext&gt; </script > </div> </div><p></p><h4 id="BookPatternAppendix-UsingThisPattern.27">Using This Pattern</h4> <p>If you would like to use this EIP Pattern then please read the <a shape="rect" href="getting-started.html">Getting Started</a>, you may also find the <a shape="rect" href="architecture.html">Architecture</a> useful particularly the description of <a shape="rect" href="endpoint.html">Endpoint</a> and <a shape="rect" href="uris.html">URIs</a>. Then you could try out some of the <a shape="rect" href="examples.html">Examples</a> first before trying this pattern out.</p><h3 id="BookPatternAppendix-Multicast">Multicast</h3><p>The Multicast allows to route the same message to a number of endpoints and process them in a different way. The main difference between the Multicast and Splitter is that Splitter will split the message into several pieces but the Multicast will not modify the request message.</p><h3 id="BookPatternAppendix-Options.7">Options</h3><div class="confluenceTableSmall"> <div class="table-wrap"> Modified: websites/production/camel/content/cache/main.pageCache ============================================================================== Binary files - no diff available. Modified: websites/production/camel/content/load-balancer.html ============================================================================== --- websites/production/camel/content/load-balancer.html (original) +++ websites/production/camel/content/load-balancer.html Thu Oct 6 15:21:23 2016 @@ -266,22 +266,33 @@ public static class MyLoadBalancer exten } } ]]></script> -</div></div><h3 id="LoadBalancer-CircuitBreaker">Circuit Breaker</h3><p>The Circuit Breaker load balancer is a stateful pattern that monitors all calls for certain exceptions. Initially the Circuit Breaker is in closed state and passes all messages. If there are failures and the threshold is reached, it moves to open state and rejects all calls until halfOpenAfter timeout is reached. After this timeout is reached, if there is a new call, it will pass and if the result is success the Circuit Breaker will move to closed state, or to open state if there was an error.</p><p>An example using Java DSL:</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl"> -<script class="brush: java; gutter: false; theme: Default" type="syntaxhighlighter"><![CDATA[from("direct:start").loadBalance() - .circuitBreaker(2, 1000L, MyCustomException.class) - .to("mock:result"); +</div></div><h3 id="LoadBalancer-CircuitBreaker">Circuit Breaker</h3><p>The Circuit Breaker load balancer is a stateful pattern that monitors all calls for certain exceptions. Initially the Circuit Breaker is in closed state and passes all messages. If there are failures and the threshold is reached, it moves to open state and rejects all calls until halfOpenAfter timeout is reached. After this timeout is reached, if there is a new call, it will pass and if the result is success the Circuit Breaker will move to closed state, or to open state if there was an error.</p><p>When the circuit breaker is closed, it will throw a <code>java.util.concurrent.RejectedExecutionException</code>. This can then be caught to provide an alternate path for processing exchanges.</p><p>An example using Java DSL:</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl"> +<script class="brush: java; gutter: false; theme: Default" type="syntaxhighlighter"><![CDATA[from("direct:start") + .onException(RejectedExecutionException.class) + .handled(true) + .to("mock:serviceUnavailable") + .end() + Â .loadBalance() + .circuitBreaker(2, 1000L, MyCustomException.class) + .to("mock:service") + .end(); ]]></script> </div></div><p>And the same example using Spring XML:</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl"> <script class="brush: xml; gutter: false; theme: Default" type="syntaxhighlighter"><![CDATA[<camelContext id="camel" xmlns="http://camel.apache.org/schema/spring"> <route> - <from uri="direct:start"/> - <loadBalance> - <circuitBreaker threshold="2" halfOpenAfter="1000"> - <exception>MyCustomException</exception> - </circuitBreaker> - <to uri="mock:result"/> - </loadBalance> -</route> + <from uri="direct:start"/> + <onException> + <exception>java.util.concurrent.RejectedExecutionException</exception> + <handled><constant>true</constant></handled> + <to uri="mock:serviceUnavailable"/> + </onException> + Â <loadBalance> + <circuitBreaker threshold="2" halfOpenAfter="1000"> + <exception>MyCustomException</exception> + </circuitBreaker> + <to uri="mock:service"/> + </loadBalance> + </route> </camelContext> ]]></script> </div></div><p></p><h4 id="LoadBalancer-UsingThisPattern">Using This Pattern</h4>