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From "stephen samuel (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CAMEL-5483) Component for neo4j
Date Mon, 13 Aug 2012 06:04:38 GMT

    [ https://issues.apache.org/jira/browse/CAMEL-5483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13432939#comment-13432939
] 

stephen samuel commented on CAMEL-5483:
---------------------------------------

updated patch without int tests that need server.
                
> Component for neo4j
> -------------------
>
>                 Key: CAMEL-5483
>                 URL: https://issues.apache.org/jira/browse/CAMEL-5483
>             Project: Camel
>          Issue Type: Improvement
>            Reporter: stephen samuel
>            Assignee: Willem Jiang
>            Priority: Minor
>             Fix For: 2.11.0
>
>         Attachments: camel-neo4j.patch, remove-int-tests.patch
>
>
> I have created a component for neo4j. It is a producer only and it allows you to create
/ remove nodes and relationships.
> ------ read me ----------
> camel-neo4j
> ========
> The camel-neo4j 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 Spring Data Neo4j Library.
> * As a producer, can create or remove nodes, and create or remove relationships.
> * Can support as many endpoints as required, eg for multiple databases across multiple
instances.
> * Headers set for node id (for created nodes), relationship id (for created relationships)
> How to Use
> ==========
> You can use neo4j as an endpoint with the following URI.
> `neo4j:http://hostname[:port]/database`
> Then you need to set a header on each message, one of the following enum types
> `	CREATE_NODE,
> 	REMOVE_NODE,
> 	CREATE_RELATIONSHIP,
> 	REMOVE_RELATIONSHIP`
> Eg,
> `exchange.getIn().setHeader(Neo4jEndpoint.HEADER_OPERATION, Neo4jOperation.CREATE_NODE);`
> The body of the message is used to determine the node or relationship to manipulate.
The following body types are supported:
> For CREATE_NODE:
> * null body - create default node
> * Map body - create node with the properties set from the map
> For REMOVE_NODE:
> * Long or Integer - remove node using the body as the id
> * neo4j Node instance - remove the node specified by that instance
>  For CREATE_RELATIONSHIP:
> * SpringDataRelationship - create relationship specified by any @NodeEntity annoted Spring
entities.
> * BasicRelationship - create relationship specified by the neo4j node types
> For REMOVE_RELATIONSHIP:
> * Long or Integer - remove relationship using the body as the id
> * SpringDataRelationship - remove relationship specified by the @NodeEntity annoted Spring
entities.
> * BasicRelationship - remove relationship specified by the neo4j node types
> Tests
> =====
> camel-neo4j has a complete set of unit tests. In addition there are some integration
tests that require you to run a local instance of neo4j. By default the tests will look at
localhost:7474 on http://localhost:7474/db/data/
> - Initial contribution by Stephen Samuel.

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