Difference between revisions of "Field"
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the attribute 'source-selector') the value returned by the expression is added to the context with the prefix 'key_' + @key. | the attribute 'source-selector') the value returned by the expression is added to the context with the prefix 'key_' + @key. | ||
* OUT : The expression is evaluated directly on the object that is returned by the [[Data provider]]. | * OUT : The expression is evaluated directly on the object that is returned by the [[Data provider]]. | ||
| + | |} | ||
In all cases, two variables are added to the context: | In all cases, two variables are added to the context: | ||
| − | * | + | * input: object set, usually the current [[GVBuffer]], which will not be overwritten from attribute 'source-selector'; |
| − | * | + | * output: the object that is returned by the [[Data provider]]. |
| − | + | ||
Contains a sub-element [[#Expression|Expression]]. | Contains a sub-element [[#Expression|Expression]]. | ||
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* regex | * regex | ||
<div class="version_ge3.3"> | <div class="version_ge3.3"> | ||
| − | * | + | * js |
</div> | </div> | ||
|} | |} | ||
Latest revision as of 09:33, 22 September 2014
Description
This element allows to define the key and direction of the Expression defined above.
Field element is used by DataProviders.
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 cannot 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:
- input: object set, usually the current GVBuffer, which will not be overwritten from attribute 'source-selector';
- output: the object that is returned by the Data provider.
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:
|
