org.xmlbeam.evaluation

Class InvocationContext

java.lang.Object

org.xmlbeam.evaluation.InvocationContext

public class InvocationContext
extends Object

Context of an projection method invocation. May be cached if the the same method is called again.

Constructor Summary

Constructors

Constructor and Description
InvocationContext(String resolvedXPath, XPath xPath, XPathExpression xPathExpression, DuplexExpression duplexExpression, MethodParamVariableResolver resolver, Class<?> targetComponentType, XBProjector projector) Constructor.

Method Summary

Modifier and Type	Method and Description
DuplexExpression	getDuplexExpression()
String	getExpressionFormatPattern()
XBProjector	getProjector() Projector used when the projection was created.
String	getResolvedXPath()
Class<?>	getTargetComponentType()
XPath	getxPath()
XPathExpression	getxPathExpression()
boolean	isStillValid(String resolvedXpath)
void	updateMethodArgs(Object[] args) A context may be reused even when method parameters change.

Methods inherited from class java.lang.Object

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

Constructor Detail

InvocationContext

public InvocationContext(String resolvedXPath,
                         XPath xPath,
                         XPathExpression xPathExpression,
                         DuplexExpression duplexExpression,
                         MethodParamVariableResolver resolver,
                         Class<?> targetComponentType,
                         XBProjector projector)

Constructor.

Parameters:

resolvedXPath -

xPath -

xPathExpression -

duplexExpression -

resolver -

targetComponentType -

projector -

Method Detail

getResolvedXPath

public String getResolvedXPath()

Returns:

resolved XPath string.

getxPath

public XPath getxPath()

Returns:

currently used XPath instance

getxPathExpression

public XPathExpression getxPathExpression()

Returns:

compiled XPath expression

getDuplexExpression

public DuplexExpression getDuplexExpression()

Returns:

compiled duplex expression

isStillValid

public boolean isStillValid(String resolvedXpath)

Parameters:

resolvedXpath -

Returns:

true if this invocation context may be reused for given path

getExpressionFormatPattern

public String getExpressionFormatPattern()

Returns:

Format pattern for the expression within with this context.

updateMethodArgs

public void updateMethodArgs(Object[] args)

A context may be reused even when method parameters change. But the change needs to be reflected to XPath variable bindings.

Parameters:

args -

getTargetComponentType

public Class<?> getTargetComponentType()

Returns:

target type of evaluation

getProjector

public XBProjector getProjector()

Projector used when the projection was created.

Returns:

the projector instance.