org.globus.ogsa.impl.core.service
Class ServiceDataXPathEvaluator

java.lang.Object
  org.globus.ogsa.impl.core.service.ServiceDataNameEvaluator
      org.globus.ogsa.impl.core.service.ServiceDataXPathEvaluator

All Implemented Interfaces:

ExpressionEvaluator

public class ServiceDataXPathEvaluator

extends ServiceDataNameEvaluator

Evaluator supporting service data queries using Xalan-J XPathAPI against named elements of a service data set.

Constructor Summary

ServiceDataXPathEvaluator()

Method Summary

java.lang.Object	evaluate(ExtensibilityType extensibility, ServiceDataSet serviceDataSet) Evaluates the expression over a service data set and returns the result.
QName[]	getExpressionNames() Gets the QNames (as defined in the XML Schema of the expression) of top level expression elements that this evaluator can handle.
QName[]	getSDNames(ExtensibilityType extensibility) The Set of ServiceData names this expression acts on.

Methods inherited from class java.lang.Object

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

Constructor Detail

ServiceDataXPathEvaluator

public ServiceDataXPathEvaluator()

Method Detail

getExpressionNames

public QName[] getExpressionNames()

Description copied from interface: ExpressionEvaluator

Gets the QNames (as defined in the XML Schema of the expression) of top level expression elements that this evaluator can handle.

Specified by:

getExpressionNames in interface ExpressionEvaluator

Overrides:

getExpressionNames in class ServiceDataNameEvaluator

evaluate

public java.lang.Object evaluate(ExtensibilityType extensibility,
                                 ServiceDataSet serviceDataSet)
                          throws FaultType

Description copied from interface: ExpressionEvaluator

Evaluates the expression over a service data set and returns the result.

Specified by:

evaluate in interface ExpressionEvaluator

Overrides:

evaluate in class ServiceDataNameEvaluator

Throws:

FaultType

getSDNames

public QName[] getSDNames(ExtensibilityType extensibility)
                   throws FaultType

The Set of ServiceData names this expression acts on.

Specified by:

getSDNames in interface ExpressionEvaluator

Overrides:

getSDNames in class ServiceDataNameEvaluator

Returns:

Set of QNames of the ServiceData.

Throws:

FaultType