Difference between revisions of "Field"
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− | Field element is used by [[ | + | Field element is used by [[GVDataProviderManager#DataProviders|DataProviders]]. Allows to define the key and direction of the Expression defined above. |
=={{GVESB}} Configuration== | =={{GVESB}} Configuration== |
Revision as of 15:48, 2 March 2012
Description
Field element is used by DataProviders. Allows to define the key and direction of the Expression defined above.
GreenVulcano® ESB Configuration
The Field Element is used by: ArrayDataProvider, Axis2MessageContextDataProvider, Axis2SAAJSOAPMessageDataProvider, CollectionDataProvider, GVBufferChangeDataProvider, HttpMethodDataProvider, InputStreamDataProvider, JMSBytesMessageDataProvider, JMSMapMessageDataProvider, JMSObjectMessageDataProvider, JMSStreamMessageDataProvider, JMSTextMessageDataProvider, MapDataProvider, ObjectDataProvider, StringDataProvider, XMLEventCollectionDataProvider.
The following table shows the Field element's attributes:
Attribute | Type | Description |
---|---|---|
key | required | The attribute's value can't be null. |
type | fixed | This attribute must assume the value field. |
direction | optional | Field direction.
by the attribute 'source-selector') the value returned by the expression, is added to the context with the prefix 'key_' + @key, and set the data provider to be returned in the output.
the attribute 'source-selector') the value returned by the expression is added to the context with the prefix 'key_' + @key.
In all cases, two variables are added to the context:
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Contains a sub-element Expression.
Expression
The following table shows the Expression element's attributes:
Attribute | Type | Description |
---|---|---|
type | required | The attribute's admitted values are:
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