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From build...@apache.org
Subject svn commit: r965084 [1/2] - in /websites/production/camel/content: book-component-appendix.html book-in-one-page.html cache/main.pageCache hazelcast-component.html
Date Fri, 11 Sep 2015 12:21:08 GMT
Author: buildbot
Date: Fri Sep 11 12:21:06 2015
New Revision: 965084

Log:
Production update by buildbot for camel

Modified:
    websites/production/camel/content/book-component-appendix.html
    websites/production/camel/content/book-in-one-page.html
    websites/production/camel/content/cache/main.pageCache
    websites/production/camel/content/hazelcast-component.html

Modified: websites/production/camel/content/book-component-appendix.html
==============================================================================
--- websites/production/camel/content/book-component-appendix.html (original)
+++ websites/production/camel/content/book-component-appendix.html Fri Sep 11 12:21:06 2015
@@ -1219,11 +1219,11 @@ template.send("direct:alias-verify&
 ]]></script>
 </div></div><p></p><h3 id="BookComponentAppendix-SeeAlso.8">See Also</h3>
 <ul><li><a shape="rect" href="configuring-camel.html">Configuring Camel</a></li><li><a shape="rect" href="component.html">Component</a></li><li><a shape="rect" href="endpoint.html">Endpoint</a></li><li><a shape="rect" href="getting-started.html">Getting Started</a></li></ul><ul><li><a shape="rect" href="crypto.html">Crypto</a> Crypto is also available as a <a shape="rect" href="data-format.html">Data Format</a></li></ul> <h2 id="BookComponentAppendix-CXFComponent">CXF Component</h2><div class="confluence-information-macro confluence-information-macro-note"><span class="aui-icon aui-icon-small aui-iconfont-warning confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>When using CXF as a consumer, the <a shape="rect" href="cxf-bean-component.html">CXF Bean Component</a> allows you to factor out how message payloads are received from their processing as a RESTful or SOAP web service. This has the potential of using a multitude of transports to cons
 ume web services. The bean component's configuration is also simpler and provides the fastest method to implement web services using Camel and CXF.</p></div></div><div class="confluence-information-macro confluence-information-macro-tip"><span class="aui-icon aui-icon-small aui-iconfont-approve confluence-information-macro-icon"></span><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">/*<![CDATA[*/
-div.rbtoc1441703875159 {padding: 0px;}
-div.rbtoc1441703875159 ul {list-style: disc;margin-left: 0px;}
-div.rbtoc1441703875159 li {margin-left: 0px;padding-left: 0px;}
+div.rbtoc1441973918129 {padding: 0px;}
+div.rbtoc1441973918129 ul {list-style: disc;margin-left: 0px;}
+div.rbtoc1441973918129 li {margin-left: 0px;padding-left: 0px;}
 
-/*]]>*/</style></p><div class="toc-macro rbtoc1441703875159">
+/*]]>*/</style></p><div class="toc-macro rbtoc1441973918129">
 <ul class="toc-indentation"><li><a shape="rect" href="#BookComponentAppendix-CXFComponent">CXF Component</a>
 <ul class="toc-indentation"><li><a shape="rect" href="#BookComponentAppendix-URIformat">URI format</a></li><li><a shape="rect" href="#BookComponentAppendix-Options">Options</a>
 <ul class="toc-indentation"><li><a shape="rect" href="#BookComponentAppendix-Thedescriptionsofthedataformats">The descriptions of the dataformats</a>
@@ -3573,9 +3573,9 @@ http://java.sun.com/xml/ns/javaee/web-ap
 &lt;/dependency&gt;
 ]]></script>
 </div></div><h3 id="BookComponentAppendix-URIformat.23">URI format</h3><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[hazelcast:[ map | multimap | queue | topic | seda | set | atomicvalue | instance | list]:cachename[?options]
+<script class="brush: java; gutter: false; theme: Default" type="syntaxhighlighter"><![CDATA[hazelcast:[ map | multimap | queue | topic | seda | set | atomicvalue | instance | list | ringbuffer]:cachename[?options]
 ]]></script>
-</div></div><div class="confluence-information-macro confluence-information-macro-information"><span class="aui-icon aui-icon-small aui-iconfont-info confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>Topic support is available as of Camel 2.15.&#160;</p></div></div><p>&#160;</p><h3 id="BookComponentAppendix-Options.18">Options</h3><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh">Name</th><th colspan="1" rowspan="1" class="confluenceTh">Required</th><th colspan="1" rowspan="1" class="confluenceTh">Description</th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">hazelcastInstance</td><td colspan="1" rowspan="1" class="confluenceTd">No</td><td colspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.14:</strong><span> The hazelcast instance <strong>reference</strong> which can be used for hazelcast endpoint. If you don't specify the instance reference, camel use the 
 default hazelcast instance from the camel-hazelcast instance.</span></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">hazelcastInstanceName</td><td colspan="1" rowspan="1" class="confluenceTd">No</td><td colspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.16:</strong><span> The hazelcast instance <strong>reference name</strong> which can be used for hazelcast endpoint. If you don't specify the instance reference, camel use the default hazelcast instance from the camel-hazelcast instance.</span></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">operation</td><td colspan="1" rowspan="1" class="confluenceTd">-1</td><td colspan="1" rowspan="1" class="confluenceTd"><span>To specify a default operation to use, if no operation header has been provided. </span><strong>deprecated</strong><span> use defaultOperation instead.</span></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><span>defaultOperation</span></td><td colspan="1" rowspan="1" class
 ="confluenceTd">-1</td><td colspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.15:</strong><span> To specify a default operation to use, if no operation header has been provided.</span></td></tr></tbody></table></div><div class="confluence-information-macro confluence-information-macro-warning"><span class="aui-icon aui-icon-small aui-iconfont-error confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>You have to use the second prefix to define which type of data store you want to use.</p></div></div><h3 id="BookComponentAppendix-Sections">Sections</h3><ol><li>Usage of <a shape="rect" href="#BookComponentAppendix-map">#map</a></li><li>Usage of <a shape="rect" href="#BookComponentAppendix-multimap">#multimap</a></li><li>Usage of <a shape="rect" href="#BookComponentAppendix-queue">#queue</a></li><li>Usage of <a shape="rect" href="#BookComponentAppendix-topic">#topic</a></li><li>Usage of <a shape="rect" href="#BookComponentAppendix-list">
 #list</a></li><li>Usage of <a shape="rect" href="#BookComponentAppendix-seda">#seda</a></li><li>Usage of <a shape="rect" href="#BookComponentAppendix-atomicnumber">atomic number</a></li><li>Usage of <a shape="rect" href="#BookComponentAppendix-cluster">#cluster</a> support (instance)</li><li>Usage of <a shape="rect" href="#BookComponentAppendix-replicatedmap">#replicatedmap</a>&#160;</li></ol><p><span class="confluence-anchor-link" id="BookComponentAppendix-map"></span></p><h3 id="BookComponentAppendix-UsageofMap">Usage of Map</h3><h4 id="BookComponentAppendix-mapcacheproducer-to(&quot;hazelcast:map:foo&quot;)">map cache producer - to("hazelcast:map:foo")</h4><p>If you want to store a value in a map you can use the map cache producer. The map cache producer provides 5 operations (put, get, update, delete, query). For the first 4 you have to provide the operation inside the "hazelcast.operation.type" header variable. In Java DSL you can use the constants from <code>org.apache.camel.c
 omponent.hazelcast.HazelcastConstants</code>.</p><p>Header Variables for the request message:</p><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.operation.type</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>valid values are: put, delete, get, update, query</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.objectId</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the object id to store / find your object inside the cache (not needed for the query operation)</p></t
 d></tr></tbody></table></div><div class="confluence-information-macro confluence-information-macro-warning"><span class="aui-icon aui-icon-small aui-iconfont-error confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>Header variables have changed in Camel 2.8</p></div></div><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastOperationType</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>valid values are: put, delete, get, update, query <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p><p><strong><strong>From Camel 2.16:</strong
 ></strong> getAll, putIfAbsent, clear.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastObjectId</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the object id to store / find your object inside the cache (not needed for the query operation) <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr></tbody></table></div><p>You can call the samples with:</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+</div></div><div class="confluence-information-macro confluence-information-macro-information"><span class="aui-icon aui-icon-small aui-iconfont-info confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>Topic support is available as of Camel 2.15.&#160;</p></div></div><div class="confluence-information-macro confluence-information-macro-information"><span class="aui-icon aui-icon-small aui-iconfont-info confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>RingBuffer support is available as of Camel 2.16.&#160;</p></div></div><h3 id="BookComponentAppendix-Options.18">Options</h3><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh">Name</th><th colspan="1" rowspan="1" class="confluenceTh">Required</th><th colspan="1" rowspan="1" class="confluenceTh">Description</th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">hazelcastInstance</td><td
  colspan="1" rowspan="1" class="confluenceTd">No</td><td colspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.14:</strong><span> The hazelcast instance <strong>reference</strong> which can be used for hazelcast endpoint. If you don't specify the instance reference, camel use the default hazelcast instance from the camel-hazelcast instance.</span></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">hazelcastInstanceName</td><td colspan="1" rowspan="1" class="confluenceTd">No</td><td colspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.16:</strong><span> The hazelcast instance <strong>reference name</strong> which can be used for hazelcast endpoint. If you don't specify the instance reference, camel use the default hazelcast instance from the camel-hazelcast instance.</span></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">operation</td><td colspan="1" rowspan="1" class="confluenceTd">-1</td><td colspan="1" rowspan="1" class="confluenceTd"><span>
 To specify a default operation to use, if no operation header has been provided. </span><strong>deprecated</strong><span> use defaultOperation instead.</span></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><span>defaultOperation</span></td><td colspan="1" rowspan="1" class="confluenceTd">-1</td><td colspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.15:</strong><span> To specify a default operation to use, if no operation header has been provided.</span></td></tr></tbody></table></div><div class="confluence-information-macro confluence-information-macro-warning"><span class="aui-icon aui-icon-small aui-iconfont-error confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>You have to use the second prefix to define which type of data store you want to use.</p></div></div><h3 id="BookComponentAppendix-Sections">Sections</h3><ol><li>Usage of <a shape="rect" href="#BookComponentAppendix-map">#map</a></li><li>Usage of <a shape=
 "rect" href="#BookComponentAppendix-multimap">#multimap</a></li><li>Usage of <a shape="rect" href="#BookComponentAppendix-queue">#queue</a></li><li>Usage of <a shape="rect" href="#BookComponentAppendix-topic">#topic</a></li><li>Usage of <a shape="rect" href="#BookComponentAppendix-list">#list</a></li><li>Usage of <a shape="rect" href="#BookComponentAppendix-seda">#seda</a></li><li>Usage of <a shape="rect" href="#BookComponentAppendix-atomicnumber">atomic number</a></li><li>Usage of <a shape="rect" href="#BookComponentAppendix-cluster">#cluster</a> support (instance)</li><li>Usage of <a shape="rect" href="#BookComponentAppendix-replicatedmap">#replicatedmap</a>&#160;</li><li>Usage of&#160;<a shape="rect" href="#BookComponentAppendix-ringbuffer">#ringbuffer</a>&#160;</li></ol><p><span class="confluence-anchor-link" id="BookComponentAppendix-map"></span></p><h3 id="BookComponentAppendix-UsageofMap">Usage of Map</h3><h4 id="BookComponentAppendix-mapcacheproducer-to(&quot;hazelcast:map:f
 oo&quot;)">map cache producer - to("hazelcast:map:foo")</h4><p>If you want to store a value in a map you can use the map cache producer. The map cache producer provides 5 operations (put, get, update, delete, query). For the first 4 you have to provide the operation inside the "hazelcast.operation.type" header variable. In Java DSL you can use the constants from <code>org.apache.camel.component.hazelcast.HazelcastConstants</code>.</p><p>Header Variables for the request message:</p><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.operation.type</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>vali
 d values are: put, delete, get, update, query</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.objectId</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the object id to store / find your object inside the cache (not needed for the query operation)</p></td></tr></tbody></table></div><div class="confluence-information-macro confluence-information-macro-warning"><span class="aui-icon aui-icon-small aui-iconfont-error confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>Header variables have changed in Camel 2.8</p></div></div><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" r
 owspan="1" class="confluenceTd"><p><code>CamelHazelcastOperationType</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>valid values are: put, delete, get, update, query <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p><p><strong><strong>From Camel 2.16:</strong></strong> getAll, putIfAbsent, clear.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastObjectId</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the object id to store / find your object inside the cache (not needed for the query operation) <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr></tbody></table></div><p>You can call the samples with:</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[template.sendBodyAndHeader(&quot;direct:[put|get|update|delete|query]&quot;, &quot;my-foo&quot;, HazelcastConstants.OBJECT_ID, &quot;4711&quot;);
 ]]></script>
 </div></div><h5 id="BookComponentAppendix-Sampleforput:">Sample for <strong>put</strong>:</h5><p>Java DSL:</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
@@ -4116,7 +4116,27 @@ template.sendBodyAndHeader(&quot;direct:
         .otherwise()
                 .log(&quot;fail!&quot;);
 ]]></script>
-</div></div><p>Header Variables inside the response message:</p><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.listener.time</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>Long</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>time of the event in millis</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.listener.type</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the map consumer sets here "cachelistener"</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.listener.action</code></p><
 /td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>type of event - here <strong>added</strong> and <strong>removed</strong> (and soon <strong>envicted</strong>)</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.objectId</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the oid of the object</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.cache.name</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the name of the cache - e.g. "foo"</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.cache.type</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" row
 span="1" class="confluenceTd"><p>the type of the cache - here replicatedmap</p></td></tr></tbody></table></div><p>Eviction will be added as feature, soon (this is a Hazelcast issue).</p><div class="confluence-information-macro confluence-information-macro-warning"><span class="aui-icon aui-icon-small aui-iconfont-error confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>Header variables have changed in Camel 2.8</p></div></div><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastListenerTime</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>Long</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>time of the event i
 n millis <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastListenerType</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the map consumer sets here "cachelistener" <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastListenerAction</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>type of event - here <strong>added</strong> and <strong>removed</strong> (and soon <strong>envicted</strong>) <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastObjectId</code>
 </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the oid of the object <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastCacheName</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the name of the cache - e.g. "foo" <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastCacheType</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the type of the cache - here replicatedmap <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr></tbody></table></di
 v> <h2 id="BookComponentAppendix-HDFSComponent">HDFS Component</h2><p><strong>Available as of Camel 2.8</strong></p><p>The <strong>hdfs</strong> component enables you to read and write messages from/to an HDFS file system. HDFS is the distributed file system at the heart of <a shape="rect" class="external-link" href="http://hadoop.apache.org">Hadoop</a>.</p><p>Maven users will need to add the following dependency to their <code>pom.xml</code> for this component:</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+</div></div><p>Header Variables inside the response message:</p><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.listener.time</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>Long</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>time of the event in millis</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.listener.type</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the map consumer sets here "cachelistener"</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.listener.action</code></p><
 /td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>type of event - here <strong>added</strong> and <strong>removed</strong> (and soon <strong>envicted</strong>)</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.objectId</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the oid of the object</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.cache.name</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the name of the cache - e.g. "foo"</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.cache.type</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" row
 span="1" class="confluenceTd"><p>the type of the cache - here replicatedmap</p></td></tr></tbody></table></div><p>Eviction will be added as feature, soon (this is a Hazelcast issue).</p><div class="confluence-information-macro confluence-information-macro-warning"><span class="aui-icon aui-icon-small aui-iconfont-error confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>Header variables have changed in Camel 2.8</p></div></div><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastListenerTime</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>Long</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>time of the event i
 n millis <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastListenerType</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the map consumer sets here "cachelistener" <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastListenerAction</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>type of event - here <strong>added</strong> and <strong>removed</strong> (and soon <strong>envicted</strong>) <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastObjectId</code>
 </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the oid of the object <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastCacheName</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the name of the cache - e.g. "foo" <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastCacheType</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the type of the cache - here replicatedmap <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr></tbody></table></di
 v><p><span class="confluence-anchor-link" id="BookComponentAppendix-ringbuffer"></span></p><h3 id="BookComponentAppendix-UsageofRingbuffer">Usage of Ringbuffer</h3><p><strong>Avalaible from Camel 2.16</strong></p><h4 id="BookComponentAppendix-ringbuffercacheproducer-to(&quot;hazelcast:ringbuffer:foo&quot;)">ringbuffer cache producer - to("<a shape="rect" class="external-link" href="http://hazelcastreplicatedmapfoo/" rel="nofollow">hazelcast:ringbuffer:foo</a>")</h4><p><span style="color: rgb(68,68,68);">Ringbuffer is a distributed data structure where the data is stored in a ring-like structure. You can think of it as a circular array with a certain capacity.</span>&#160;The ringbuffer producer provides 5 operations (add, readonceHead, readonceTail, remainingCapacity, capacity).</p><p>Header Variables for the request message:</p><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="
 1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.operation.type</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>valid values are: add,&#160;readonceHead, readonceTail,&#160;remainingCapacity, capacity</p></td></tr></tbody></table></div><div class="confluence-information-macro confluence-information-macro-warning"><span class="aui-icon aui-icon-small aui-iconfont-error confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>Header variables have changed in Camel 2.8</p></div></div><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="conflu
 enceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastOperationType</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>valid values are: put, get, removevalue, delete <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastObjectId</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the object id to store / find your object inside the cache <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr></tbody></table></div><h5 id="BookComponentAppendix-Sampleforput:.4">Sample for&#160;<strong>put</strong>:</h5><p>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(&quot;direct:put&quot;)
+.setHeader(HazelcastConstants.OPERATION, constant(HazelcastConstants.ADD_OPERATION))
+.to(String.format(&quot;hazelcast:%sbar&quot;, HazelcastConstants.RINGBUFFER_PREFIX));
+]]></script>
+</div></div><p>Spring 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[&lt;route&gt;
+	&lt;from uri=&quot;direct:put&quot; /&gt;
+	&lt;log message=&quot;put..&quot;/&gt;
+        &lt;!-- If using version 2.8 and above set headerName to &quot;CamelHazelcastOperationType&quot; --&gt;
+	&lt;setHeader headerName=&quot;hazelcast.operation.type&quot;&gt;
+		&lt;constant&gt;add&lt;/constant&gt;
+	&lt;/setHeader&gt;
+	&lt;to uri=&quot;hazelcast:ringbuffer:foo&quot; /&gt;
+&lt;/route&gt;]]></script>
+</div></div><h5 id="BookComponentAppendix-Sampleforreadoncefromhead:">Sample for&#160;<strong>readonce from head</strong>:</h5><p>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(&quot;direct:get&quot;)
+.setHeader(HazelcastConstants.OPERATION, constant(HazelcastConstants.READ_ONCE_HEAD_OPERATION))
+.toF(&quot;hazelcast:%sbar&quot;, HazelcastConstants.RINGBUFFER_PREFIX)
+.to(&quot;seda:out&quot;);]]></script>
+</div></div> <h2 id="BookComponentAppendix-HDFSComponent">HDFS Component</h2><p><strong>Available as of Camel 2.8</strong></p><p>The <strong>hdfs</strong> component enables you to read and write messages from/to an HDFS file system. HDFS is the distributed file system at the heart of <a shape="rect" class="external-link" href="http://hadoop.apache.org">Hadoop</a>.</p><p>Maven users will need to add the following dependency to their <code>pom.xml</code> for this component:</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[&lt;dependency&gt;
     &lt;groupId&gt;org.apache.camel&lt;/groupId&gt;
     &lt;artifactId&gt;camel-hdfs&lt;/artifactId&gt;

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 Fri Sep 11 12:21:06 2015
@@ -3685,11 +3685,11 @@ 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>&#160;</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[*/
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-/*]]>*/</style></p><div class="toc-macro rbtoc1441703901982">
+/*]]>*/</style></p><div class="toc-macro rbtoc1441973947124">
 <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>
@@ -5789,11 +5789,11 @@ 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>
 
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-/*]]>*/</style><div class="toc-macro rbtoc1441703902493">
+/*]]>*/</style><div class="toc-macro rbtoc1441973947764">
 <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>
@@ -17599,11 +17599,11 @@ template.send(&quot;direct:alias-verify&
 ]]></script>
 </div></div><p></p><h3 id="BookInOnePage-SeeAlso.28">See Also</h3>
 <ul><li><a shape="rect" href="configuring-camel.html">Configuring Camel</a></li><li><a shape="rect" href="component.html">Component</a></li><li><a shape="rect" href="endpoint.html">Endpoint</a></li><li><a shape="rect" href="getting-started.html">Getting Started</a></li></ul><ul><li><a shape="rect" href="crypto.html">Crypto</a> Crypto is also available as a <a shape="rect" href="data-format.html">Data Format</a></li></ul> <h2 id="BookInOnePage-CXFComponent">CXF Component</h2><div class="confluence-information-macro confluence-information-macro-note"><span class="aui-icon aui-icon-small aui-iconfont-warning confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>When using CXF as a consumer, the <a shape="rect" href="cxf-bean-component.html">CXF Bean Component</a> allows you to factor out how message payloads are received from their processing as a RESTful or SOAP web service. This has the potential of using a multitude of transports to consume web 
 services. The bean component's configuration is also simpler and provides the fastest method to implement web services using Camel and CXF.</p></div></div><div class="confluence-information-macro confluence-information-macro-tip"><span class="aui-icon aui-icon-small aui-iconfont-approve confluence-information-macro-icon"></span><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">/*<![CDATA[*/
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-/*]]>*/</style></p><div class="toc-macro rbtoc1441703922985">
+/*]]>*/</style></p><div class="toc-macro rbtoc1441973968091">
 <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>
@@ -19953,9 +19953,9 @@ http://java.sun.com/xml/ns/javaee/web-ap
 &lt;/dependency&gt;
 ]]></script>
 </div></div><h3 id="BookInOnePage-URIformat.24">URI format</h3><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[hazelcast:[ map | multimap | queue | topic | seda | set | atomicvalue | instance | list]:cachename[?options]
+<script class="brush: java; gutter: false; theme: Default" type="syntaxhighlighter"><![CDATA[hazelcast:[ map | multimap | queue | topic | seda | set | atomicvalue | instance | list | ringbuffer]:cachename[?options]
 ]]></script>
-</div></div><div class="confluence-information-macro confluence-information-macro-information"><span class="aui-icon aui-icon-small aui-iconfont-info confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>Topic support is available as of Camel 2.15.&#160;</p></div></div><p>&#160;</p><h3 id="BookInOnePage-Options.39">Options</h3><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh">Name</th><th colspan="1" rowspan="1" class="confluenceTh">Required</th><th colspan="1" rowspan="1" class="confluenceTh">Description</th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">hazelcastInstance</td><td colspan="1" rowspan="1" class="confluenceTd">No</td><td colspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.14:</strong><span> The hazelcast instance <strong>reference</strong> which can be used for hazelcast endpoint. If you don't specify the instance reference, camel use the default 
 hazelcast instance from the camel-hazelcast instance.</span></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">hazelcastInstanceName</td><td colspan="1" rowspan="1" class="confluenceTd">No</td><td colspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.16:</strong><span> The hazelcast instance <strong>reference name</strong> which can be used for hazelcast endpoint. If you don't specify the instance reference, camel use the default hazelcast instance from the camel-hazelcast instance.</span></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">operation</td><td colspan="1" rowspan="1" class="confluenceTd">-1</td><td colspan="1" rowspan="1" class="confluenceTd"><span>To specify a default operation to use, if no operation header has been provided. </span><strong>deprecated</strong><span> use defaultOperation instead.</span></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><span>defaultOperation</span></td><td colspan="1" rowspan="1" class="conflu
 enceTd">-1</td><td colspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.15:</strong><span> To specify a default operation to use, if no operation header has been provided.</span></td></tr></tbody></table></div><div class="confluence-information-macro confluence-information-macro-warning"><span class="aui-icon aui-icon-small aui-iconfont-error confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>You have to use the second prefix to define which type of data store you want to use.</p></div></div><h3 id="BookInOnePage-Sections">Sections</h3><ol><li>Usage of <a shape="rect" href="#BookInOnePage-map">#map</a></li><li>Usage of <a shape="rect" href="#BookInOnePage-multimap">#multimap</a></li><li>Usage of <a shape="rect" href="#BookInOnePage-queue">#queue</a></li><li>Usage of <a shape="rect" href="#BookInOnePage-topic">#topic</a></li><li>Usage of <a shape="rect" href="#BookInOnePage-list">#list</a></li><li>Usage of <a shape="rect" href="#BookIn
 OnePage-seda">#seda</a></li><li>Usage of <a shape="rect" href="#BookInOnePage-atomicnumber">atomic number</a></li><li>Usage of <a shape="rect" href="#BookInOnePage-cluster">#cluster</a> support (instance)</li><li>Usage of <a shape="rect" href="#BookInOnePage-replicatedmap">#replicatedmap</a>&#160;</li></ol><p><span class="confluence-anchor-link" id="BookInOnePage-map"></span></p><h3 id="BookInOnePage-UsageofMap">Usage of Map</h3><h4 id="BookInOnePage-mapcacheproducer-to(&quot;hazelcast:map:foo&quot;)">map cache producer - to("hazelcast:map:foo")</h4><p>If you want to store a value in a map you can use the map cache producer. The map cache producer provides 5 operations (put, get, update, delete, query). For the first 4 you have to provide the operation inside the "hazelcast.operation.type" header variable. In Java DSL you can use the constants from <code>org.apache.camel.component.hazelcast.HazelcastConstants</code>.</p><p>Header Variables for the request message:</p><div class="tab
 le-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.operation.type</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>valid values are: put, delete, get, update, query</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.objectId</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the object id to store / find your object inside the cache (not needed for the query operation)</p></td></tr></tbody></table></div><div class="confluence-information-macro confluence-information-macro-warning"><spa
 n class="aui-icon aui-icon-small aui-iconfont-error confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>Header variables have changed in Camel 2.8</p></div></div><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastOperationType</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>valid values are: put, delete, get, update, query <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p><p><strong><strong>From Camel 2.16:</strong></strong> getAll, putIfAbsent, clear.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><cod
 e>CamelHazelcastObjectId</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the object id to store / find your object inside the cache (not needed for the query operation) <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr></tbody></table></div><p>You can call the samples with:</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+</div></div><div class="confluence-information-macro confluence-information-macro-information"><span class="aui-icon aui-icon-small aui-iconfont-info confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>Topic support is available as of Camel 2.15.&#160;</p></div></div><div class="confluence-information-macro confluence-information-macro-information"><span class="aui-icon aui-icon-small aui-iconfont-info confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>RingBuffer support is available as of Camel 2.16.&#160;</p></div></div><h3 id="BookInOnePage-Options.39">Options</h3><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh">Name</th><th colspan="1" rowspan="1" class="confluenceTh">Required</th><th colspan="1" rowspan="1" class="confluenceTh">Description</th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">hazelcastInstance</td><td colspan
 ="1" rowspan="1" class="confluenceTd">No</td><td colspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.14:</strong><span> The hazelcast instance <strong>reference</strong> which can be used for hazelcast endpoint. If you don't specify the instance reference, camel use the default hazelcast instance from the camel-hazelcast instance.</span></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">hazelcastInstanceName</td><td colspan="1" rowspan="1" class="confluenceTd">No</td><td colspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.16:</strong><span> The hazelcast instance <strong>reference name</strong> which can be used for hazelcast endpoint. If you don't specify the instance reference, camel use the default hazelcast instance from the camel-hazelcast instance.</span></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">operation</td><td colspan="1" rowspan="1" class="confluenceTd">-1</td><td colspan="1" rowspan="1" class="confluenceTd"><span>To speci
 fy a default operation to use, if no operation header has been provided. </span><strong>deprecated</strong><span> use defaultOperation instead.</span></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><span>defaultOperation</span></td><td colspan="1" rowspan="1" class="confluenceTd">-1</td><td colspan="1" rowspan="1" class="confluenceTd"><strong>Camel 2.15:</strong><span> To specify a default operation to use, if no operation header has been provided.</span></td></tr></tbody></table></div><div class="confluence-information-macro confluence-information-macro-warning"><span class="aui-icon aui-icon-small aui-iconfont-error confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>You have to use the second prefix to define which type of data store you want to use.</p></div></div><h3 id="BookInOnePage-Sections">Sections</h3><ol><li>Usage of <a shape="rect" href="#BookInOnePage-map">#map</a></li><li>Usage of <a shape="rect" href="#BookInOneP
 age-multimap">#multimap</a></li><li>Usage of <a shape="rect" href="#BookInOnePage-queue">#queue</a></li><li>Usage of <a shape="rect" href="#BookInOnePage-topic">#topic</a></li><li>Usage of <a shape="rect" href="#BookInOnePage-list">#list</a></li><li>Usage of <a shape="rect" href="#BookInOnePage-seda">#seda</a></li><li>Usage of <a shape="rect" href="#BookInOnePage-atomicnumber">atomic number</a></li><li>Usage of <a shape="rect" href="#BookInOnePage-cluster">#cluster</a> support (instance)</li><li>Usage of <a shape="rect" href="#BookInOnePage-replicatedmap">#replicatedmap</a>&#160;</li><li>Usage of&#160;<a shape="rect" href="#BookInOnePage-ringbuffer">#ringbuffer</a>&#160;</li></ol><p><span class="confluence-anchor-link" id="BookInOnePage-map"></span></p><h3 id="BookInOnePage-UsageofMap">Usage of Map</h3><h4 id="BookInOnePage-mapcacheproducer-to(&quot;hazelcast:map:foo&quot;)">map cache producer - to("hazelcast:map:foo")</h4><p>If you want to store a value in a map you can use the map
  cache producer. The map cache producer provides 5 operations (put, get, update, delete, query). For the first 4 you have to provide the operation inside the "hazelcast.operation.type" header variable. In Java DSL you can use the constants from <code>org.apache.camel.component.hazelcast.HazelcastConstants</code>.</p><p>Header Variables for the request message:</p><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.operation.type</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>valid values are: put, delete, get, update, query</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code
 >hazelcast.objectId</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the object id to store / find your object inside the cache (not needed for the query operation)</p></td></tr></tbody></table></div><div class="confluence-information-macro confluence-information-macro-warning"><span class="aui-icon aui-icon-small aui-iconfont-error confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>Header variables have changed in Camel 2.8</p></div></div><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastOperationType</code></p></td><td colspan="1" rowspan="1" class="c
 onfluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>valid values are: put, delete, get, update, query <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p><p><strong><strong>From Camel 2.16:</strong></strong> getAll, putIfAbsent, clear.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastObjectId</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the object id to store / find your object inside the cache (not needed for the query operation) <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr></tbody></table></div><p>You can call the samples with:</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[template.sendBodyAndHeader(&quot;direct:[put|get|update|delete|query]&quot;, &quot;my-foo&quot;, HazelcastConstants.OBJECT_ID, &quot;4711&quot;);
 ]]></script>
 </div></div><h5 id="BookInOnePage-Sampleforput:">Sample for <strong>put</strong>:</h5><p>Java DSL:</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
@@ -20496,7 +20496,27 @@ template.sendBodyAndHeader(&quot;direct:
         .otherwise()
                 .log(&quot;fail!&quot;);
 ]]></script>
-</div></div><p>Header Variables inside the response message:</p><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.listener.time</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>Long</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>time of the event in millis</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.listener.type</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the map consumer sets here "cachelistener"</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.listener.action</code></p><
 /td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>type of event - here <strong>added</strong> and <strong>removed</strong> (and soon <strong>envicted</strong>)</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.objectId</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the oid of the object</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.cache.name</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the name of the cache - e.g. "foo"</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.cache.type</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" row
 span="1" class="confluenceTd"><p>the type of the cache - here replicatedmap</p></td></tr></tbody></table></div><p>Eviction will be added as feature, soon (this is a Hazelcast issue).</p><div class="confluence-information-macro confluence-information-macro-warning"><span class="aui-icon aui-icon-small aui-iconfont-error confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>Header variables have changed in Camel 2.8</p></div></div><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastListenerTime</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>Long</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>time of the event i
 n millis <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastListenerType</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the map consumer sets here "cachelistener" <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastListenerAction</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>type of event - here <strong>added</strong> and <strong>removed</strong> (and soon <strong>envicted</strong>) <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastObjectId</code>
 </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the oid of the object <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastCacheName</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the name of the cache - e.g. "foo" <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastCacheType</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the type of the cache - here replicatedmap <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr></tbody></table></di
 v> <h2 id="BookInOnePage-HDFSComponent">HDFS Component</h2><p><strong>Available as of Camel 2.8</strong></p><p>The <strong>hdfs</strong> component enables you to read and write messages from/to an HDFS file system. HDFS is the distributed file system at the heart of <a shape="rect" class="external-link" href="http://hadoop.apache.org">Hadoop</a>.</p><p>Maven users will need to add the following dependency to their <code>pom.xml</code> for this component:</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+</div></div><p>Header Variables inside the response message:</p><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.listener.time</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>Long</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>time of the event in millis</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.listener.type</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the map consumer sets here "cachelistener"</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.listener.action</code></p><
 /td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>type of event - here <strong>added</strong> and <strong>removed</strong> (and soon <strong>envicted</strong>)</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.objectId</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the oid of the object</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.cache.name</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the name of the cache - e.g. "foo"</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.cache.type</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" row
 span="1" class="confluenceTd"><p>the type of the cache - here replicatedmap</p></td></tr></tbody></table></div><p>Eviction will be added as feature, soon (this is a Hazelcast issue).</p><div class="confluence-information-macro confluence-information-macro-warning"><span class="aui-icon aui-icon-small aui-iconfont-error confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>Header variables have changed in Camel 2.8</p></div></div><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastListenerTime</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>Long</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>time of the event i
 n millis <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastListenerType</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the map consumer sets here "cachelistener" <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastListenerAction</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>type of event - here <strong>added</strong> and <strong>removed</strong> (and soon <strong>envicted</strong>) <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastObjectId</code>
 </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the oid of the object <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastCacheName</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the name of the cache - e.g. "foo" <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastCacheType</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the type of the cache - here replicatedmap <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr></tbody></table></di
 v><p><span class="confluence-anchor-link" id="BookInOnePage-ringbuffer"></span></p><h3 id="BookInOnePage-UsageofRingbuffer">Usage of Ringbuffer</h3><p><strong>Avalaible from Camel 2.16</strong></p><h4 id="BookInOnePage-ringbuffercacheproducer-to(&quot;hazelcast:ringbuffer:foo&quot;)">ringbuffer cache producer - to("<a shape="rect" class="external-link" href="http://hazelcastreplicatedmapfoo/" rel="nofollow">hazelcast:ringbuffer:foo</a>")</h4><p><span style="color: rgb(68,68,68);">Ringbuffer is a distributed data structure where the data is stored in a ring-like structure. You can think of it as a circular array with a certain capacity.</span>&#160;The ringbuffer producer provides 5 operations (add, readonceHead, readonceTail, remainingCapacity, capacity).</p><p>Header Variables for the request message:</p><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh">
 <p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hazelcast.operation.type</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>valid values are: add,&#160;readonceHead, readonceTail,&#160;remainingCapacity, capacity</p></td></tr></tbody></table></div><div class="confluence-information-macro confluence-information-macro-warning"><span class="aui-icon aui-icon-small aui-iconfont-error confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>Header variables have changed in Camel 2.8</p></div></div><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Type</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</
 p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastOperationType</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>valid values are: put, get, removevalue, delete <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>CamelHazelcastObjectId</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>String</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>the object id to store / find your object inside the cache <strong><a shape="rect" class="unresolved" href="#">Version 2.8</a></strong></p></td></tr></tbody></table></div><h5 id="BookInOnePage-Sampleforput:.4">Sample for&#160;<strong>put</strong>:</h5><p>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(&quot;direct:put&quot;)
+.setHeader(HazelcastConstants.OPERATION, constant(HazelcastConstants.ADD_OPERATION))
+.to(String.format(&quot;hazelcast:%sbar&quot;, HazelcastConstants.RINGBUFFER_PREFIX));
+]]></script>
+</div></div><p>Spring 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[&lt;route&gt;
+	&lt;from uri=&quot;direct:put&quot; /&gt;
+	&lt;log message=&quot;put..&quot;/&gt;
+        &lt;!-- If using version 2.8 and above set headerName to &quot;CamelHazelcastOperationType&quot; --&gt;
+	&lt;setHeader headerName=&quot;hazelcast.operation.type&quot;&gt;
+		&lt;constant&gt;add&lt;/constant&gt;
+	&lt;/setHeader&gt;
+	&lt;to uri=&quot;hazelcast:ringbuffer:foo&quot; /&gt;
+&lt;/route&gt;]]></script>
+</div></div><h5 id="BookInOnePage-Sampleforreadoncefromhead:">Sample for&#160;<strong>readonce from head</strong>:</h5><p>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(&quot;direct:get&quot;)
+.setHeader(HazelcastConstants.OPERATION, constant(HazelcastConstants.READ_ONCE_HEAD_OPERATION))
+.toF(&quot;hazelcast:%sbar&quot;, HazelcastConstants.RINGBUFFER_PREFIX)
+.to(&quot;seda:out&quot;);]]></script>
+</div></div> <h2 id="BookInOnePage-HDFSComponent">HDFS Component</h2><p><strong>Available as of Camel 2.8</strong></p><p>The <strong>hdfs</strong> component enables you to read and write messages from/to an HDFS file system. HDFS is the distributed file system at the heart of <a shape="rect" class="external-link" href="http://hadoop.apache.org">Hadoop</a>.</p><p>Maven users will need to add the following dependency to their <code>pom.xml</code> for this component:</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[&lt;dependency&gt;
     &lt;groupId&gt;org.apache.camel&lt;/groupId&gt;
     &lt;artifactId&gt;camel-hdfs&lt;/artifactId&gt;

Modified: websites/production/camel/content/cache/main.pageCache
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