Difference between revisions of "CollectionDataProvider"

Latest revision as of 16:35, 9 November 2012

This elements transforms a GVBuffer into a Collection.

The Collection is constructed using the internal Field Expression (tipically is used only one Field element).

The following table shows the CollectionDataProvider element's attributes:

Attribute	Type	Description
name	required	The attribute's value cannot be null.
type	fixed	This attribute must assume the value dataProvider.
class	fixed	This attribute must assume the value it.greenvulcano.gvesb.gvdp.impl.CollectionDataProvider.
source-selector	optional	OGNL expression to provide the root object to be passed to the expression stated in the 'Field' items.

Might contain one or more sub-element Field.

{{#w4grb_rate:}} <w4grb_ratinglist latestvotes items="5" nosort/>

@@ Line 1: / Line 1: @@
-This DataProvider, reads an XML with a pull/push parser and executes fields bound to xml events.
+==Description==
-At the moment, only pull parser is handled, using the AXIOM implementation.
+This elements transforms a GVBuffer into a Collection.
-Called fields are the following:
-* START_DOCUMENT,
-* END_DOCUMENT,
-* NAMESPACE,
-* PROCESSING_INSTRUCTION,
-* ENTITY_REFERENCE,
-* DTD,
-* ATTRIBUTE,
-* START_ELEMENT,
-* END_ELEMENT,
-* CHARACTERS,
-In addition to 'input' and 'output' variables, following are bound to the context of expressions:
+The Collection is constructed using the internal Field Expression (tipically is used only one Field element).
-* environment: an helper map to pass objects between field;
-* parser: the pull/push parser.
+=={{GVESB}} Configuration==
 The following table shows the CollectionDataProvider element's attributes:
 {|class="gvtable"
@@ Line 31: / Line 20: @@
 Might contain one or more sub-element [[Field]].
+{{VOTE}}