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Posted to commits@camel.apache.org by bu...@apache.org on 2012/09/03 22:17:37 UTC
svn commit: r831043 - in /websites/production/camel/content:
cache/main.pageCache neo4j.html
Author: buildbot
Date: Mon Sep 3 20:17:37 2012
New Revision: 831043
Log:
Production update by buildbot for camel
Added:
websites/production/camel/content/neo4j.html
Modified:
websites/production/camel/content/cache/main.pageCache
Modified: websites/production/camel/content/cache/main.pageCache
==============================================================================
Binary files - no diff available.
Added: websites/production/camel/content/neo4j.html
==============================================================================
--- websites/production/camel/content/neo4j.html (added)
+++ websites/production/camel/content/neo4j.html Mon Sep 3 20:17:37 2012
@@ -0,0 +1,267 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<!--
+
+ Licensed to the Apache Software Foundation (ASF) under one or more
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+ The ASF licenses this file to You under the Apache License, Version 2.0
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+ http://www.apache.org/licenses/LICENSE-2.0
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+ See the License for the specific language governing permissions and
+ limitations under the License.
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+<html>
+<head>
+ <link href="http://camel.apache.org/styles/site.css" rel="stylesheet" type="text/css">
+ <link href="http://camel.apache.org/styles/type-settings.css" rel="stylesheet" type="text/css">
+ <script src="http://camel.apache.org/styles/prototype.js" type="text/javascript"></script>
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+
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+
+ <style type="text/css">
+ .maincontent { overflow:hidden; }
+ </style>
+ <!--[if IE]>
+ <style type="text/css">
+ .maincontent { width:100%; }
+ </style>
+ <![endif]-->
+
+ <title>
+ Apache Camel: Neo4j
+ </title>
+</head>
+<body>
+<div class="white_box">
+<div class="header">
+ <div class="header_l">
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+ <a shape="rect" style="float:right; width:180px;display:block;text-indent:-5000px;text-decoration:none;line-height:80px; margin-top:45px; margin-right:10px;" href="http://www.apache.org">Apache</a>
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+<a href="index.html">Apache Camel</a> > <a href="documentation.html">Documentation</a> > <a href="components.html">Components</a> > <a href="neo4j.html">Neo4j</a>
+ </div>
+ <!-- Quicklinks -->
+<div id="site-quicklinks"><p><a shape="rect" href="download.html" title="Download">Download</a> | <a shape="rect" href="javadoc.html" title="JavaDoc">JavaDoc</a> | <a shape="rect" href="source.html" title="Source">Source</a> | <a shape="rect" href="discussion-forums.html" title="Discussion Forums">Forums</a> | <a shape="rect" href="support.html" title="Support">Support</a></p></div>
+ <!-- Quicklinks -->
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+ <table border="0">
+ <tbody>
+ <tr>
+ <td valign="top" width="100%">
+<div class="wiki-content maincontent"><h2><a shape="rect" name="Neo4j-CamelNeo4jcomponent"></a>Camel Neo4j component</h2>
+
+<p><b>Available as of Camel 2.11</b></p>
+
+<p>The <b>neo4j:</b> component allows you to treat Neo4j as a camel producer endpoint. This means you can use this component in to() calls but not from() calls. This component is backed by the <a shape="rect" class="external-link" href="http://www.springsource.org/spring-data/neo4j" rel="nofollow">Spring Data Neo4j Library</a>.</p>
+
+<ul><li>As a producer, can create or remove nodes, and create or remove relationships.</li><li>Can support as many endpoints as required, eg for multiple databases across multiple instances.</li><li>Headers set for node id (for created nodes), relationship id (for created relationships)</li></ul>
+
+
+<p>Maven users will need to add the following dependency to their <tt>pom.xml</tt> for this component:</p>
+
+<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
+<pre class="code-xml">
+<span class="code-tag"><dependency></span>
+ <span class="code-tag"><groupId></span>org.apache.camel<span class="code-tag"></groupId></span>
+ <span class="code-tag"><artifactId></span>camel-neo4j<span class="code-tag"></artifactId></span>
+ <span class="code-tag"><version></span>x.x.x<span class="code-tag"></version></span>
+ <span class="code-tag"><span class="code-comment"><!-- use the same version as your Camel core version --></span></span>
+<span class="code-tag"></dependency></span>
+</pre>
+</div></div>
+
+<h3><a shape="rect" name="Neo4j-URIformat"></a>URI format</h3>
+
+<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
+<pre class="code-java">
+neo4j:http:<span class="code-comment">//hostname[:port]/database?options</span>
+</pre>
+</div></div>
+
+<p>Where the URL is the location of the of running neo4j rest server.</p>
+
+<h3><a shape="rect" name="Neo4j-Headers"></a>Headers</h3>
+
+<p>The following headers are set on exchanges during message transport.</p>
+<div class="confluenceTableSmall"><div class="table-wrap">
+<table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"> Property </th><th colspan="1" rowspan="1" class="confluenceTh"> Value </th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>Neo4jOperation</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> One of the Neo4jOperation enum values `CREATE_NODE, REMOVE_NODE, CREATE_RELATIONSHIP, REMOVE_RELATIONSHIP` which determines which action to perform </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>Neo4jNodeId</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> the id of the created node </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>Neo4jRelationshipId</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> the id of the created relationship </td></tr></tbody></table>
+</div>
+</div>
+
+<p>The producer will set the headers for downstream processors once the operation has taken place. Any ID headers set prior to the producer are ignored.</p>
+
+<h3><a shape="rect" name="Neo4j-Operations"></a>Operations</h3>
+
+<p>The neo4j component looks for the Neo4jOperation header to determine what kind of entity to create, which is one of the following enum types</p>
+
+<p>`CREATE_NODE, REMOVE_NODE, CREATE_RELATIONSHIP, REMOVE_RELATIONSHIP`</p>
+
+<p>The body of the message is used to determine the node or relationship to manipulate. The following body types are supported:</p>
+
+<p>For CREATE_NODE:</p>
+
+<ul><li>null body - create default node</li><li>Map body - create node with the properties set from the map</li></ul>
+
+
+<p>For REMOVE_NODE:</p>
+
+<ul><li>Long or Integer - remove node using the body as the id</li><li>neo4j Node instance - remove the node specified by that instance</li></ul>
+
+
+<p>For CREATE_RELATIONSHIP:</p>
+
+<ul><li>SpringDataRelationship - create relationship specified by any @NodeEntity annoted Spring entities.</li><li>org.apache.camel.component.neo4j.BasicRelationship - create relationship specified by the neo4j node types</li></ul>
+
+
+<p>For REMOVE_RELATIONSHIP:</p>
+
+<ul><li>Long or Integer - remove relationship using the body as the id</li><li>SpringDataRelationship - remove relationship specified by the @NodeEntity annoted Spring entities.</li><li>org.apache.camel.component.neo4j.BasicRelationship - remove relationship specified by the neo4j node types</li></ul>
+
+
+<h3><a shape="rect" name="Neo4j-Samples"></a>Samples</h3>
+
+<p>If you wanted to insert a new empty node every 1 seconds</p>
+
+<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
+<pre class="code-java">
+from(<span class="code-quote">"timer:<span class="code-comment">//foo?period=1000"</span>).to(<span class="code-quote">"neo4j:http://localhost:7474/data"</span>)</span>
+</pre>
+</div></div>
+
+<p>If you wanted to delete a specific node specified by a filename, eg a file of 100 would delete node 100.</p>
+
+<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
+<pre class="code-java">
+from(<span class="code-quote">"file:/<span class="code-keyword">var</span>/data"</span>).process(<span class="code-keyword">new</span> Processor() {
+ @Override
+ <span class="code-keyword">public</span> void process(Exchange exchange) <span class="code-keyword">throws</span> Exception {
+ exchange.getIn().setBody(exchange.getIn().getHeader(<span class="code-quote">"CamelFileName"</span>));
+ }
+}).to(<span class="code-quote">"neo4j:http:<span class="code-comment">//localhost:7474/data"</span>)</span>
+</pre>
+</div></div></div>
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