cascading.operation.xml
Class XPathGenerator

java.lang.Object
  cascading.operation.BaseOperation
      cascading.operation.xml.XPathOperation
          cascading.operation.xml.XPathGenerator

All Implemented Interfaces:

Function, Operation, Serializable

public class XPathGenerator
extends XPathOperation
implements Function

XPathGenerator is a Generator function that will emit a new Tuple for every Node returned by the given XPath expression.

See Also:

Serialized Form

Field Summary

Fields inherited from class cascading.operation.xml.XPathOperation

NAMESPACE_XHTML, namespaces, paths

Fields inherited from class cascading.operation.BaseOperation

fieldDeclaration, numArgs, trace

Fields inherited from interface cascading.operation.Operation

ANY

Constructor Summary

XPathGenerator(Fields fieldDeclaration, String[][] namespaces, String... paths)
Constructor XPathGenerator creates a new XPathGenerator instance.

Method Summary

void	operate(FlowProcess flowProcess, FunctionCall functionCall) Method operate provides the implementation of this Function.

Methods inherited from class cascading.operation.xml.XPathOperation

getExpressions, getTransformer, getXPath, writeAsXML

Methods inherited from class cascading.operation.BaseOperation

cleanup, getFieldDeclaration, getNumArgs, getTrace, prepare, printOperationInternal, toString, toStringInternal

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface cascading.operation.Operation

cleanup, getFieldDeclaration, getNumArgs, prepare

Constructor Detail

XPathGenerator

public XPathGenerator(Fields fieldDeclaration,
                      String[][] namespaces,
                      String... paths)

Constructor XPathGenerator creates a new XPathGenerator instance.

Parameters:

fieldDeclaration - of type Fields

namespaces - of type String[][]

paths - of type String...

Method Detail

operate

public void operate(FlowProcess flowProcess,
                    FunctionCall functionCall)

Description copied from interface: Function

Method operate provides the implementation of this Function.

Specified by:

operate in interface Function

Parameters:

flowProcess - of type FlowProcess

functionCall - of type FunctionCall

See Also:

Function.operate(cascading.flow.FlowProcess,cascading.operation.FunctionCall)