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From "Willem Jiang (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (CAMEL-5483) Component for neo4j
Date Mon, 06 Aug 2012 11:57:02 GMT

    [ https://issues.apache.org/jira/browse/CAMEL-5483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13429003#comment-13429003
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Willem Jiang edited comment on CAMEL-5483 at 8/6/12 11:55 AM:
--------------------------------------------------------------

Hi Stephen,

First I should say thanks for your donation, and we loves the contributors who make the camel
more powerful by adding more and more components.

I just checked the dependency, you are using the spring-data-neo4j-rest module, as it is Apache
license, I think we are OK to host it in Apache Camel. I will commit the patch shortly. 

Willem
                
      was (Author: njiang):
    Hi Stephen,

First I should say thanks for your donation, and we loves the contributors who make the camel
more powerful by adding more and more components.

As you know we can't ship the third part GPL jars or host the codes which are built on the
top of GPL codes due to Apache license issue. You donation could be put into [camel-extra|http://code.google.com/a/apache-extras.org/p/camel-extra/],
and I'd happy to help you to commit the code.

Willem

                  
> Component for neo4j
> -------------------
>
>                 Key: CAMEL-5483
>                 URL: https://issues.apache.org/jira/browse/CAMEL-5483
>             Project: Camel
>          Issue Type: Improvement
>            Reporter: stephen samuel
>            Priority: Minor
>             Fix For: 2.11.0
>
>         Attachments: camel-neo4j.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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