Package net.sf.saxon.expr.accum
Class VirtualAccumulatorData
- java.lang.Object
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- net.sf.saxon.expr.accum.VirtualAccumulatorData
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- All Implemented Interfaces:
IAccumulatorData
public class VirtualAccumulatorData extends java.lang.Object implements IAccumulatorData
Holds the values of an accumulator function for a virtual copy of a document (where the accumulator values are copies of those on the underlying document)
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Constructor Summary
Constructors Constructor Description VirtualAccumulatorData(IAccumulatorData realData)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description AccumulatorgetAccumulator()Get the associated accumulatorSequencegetValue(NodeInfo node, boolean postDescent)Get the value of the accumulator for a given node
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Constructor Detail
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VirtualAccumulatorData
public VirtualAccumulatorData(IAccumulatorData realData)
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Method Detail
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getAccumulator
public Accumulator getAccumulator()
Description copied from interface:IAccumulatorDataGet the associated accumulator- Specified by:
getAccumulatorin interfaceIAccumulatorData- Returns:
- the accumulator
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getValue
public Sequence getValue(NodeInfo node, boolean postDescent) throws XPathException
Get the value of the accumulator for a given node- Specified by:
getValuein interfaceIAccumulatorData- Parameters:
node- the node in questionpostDescent- false if the pre-descent value of the accumulator is required; false if the post-descent value is wanted.- Returns:
- the value of the accumulator for this node
- Throws:
XPathException
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