jd.xml.xpath.expr.misc
Class Constant

java.lang.Object
  jd.xml.xpath.expr.ExpressionImpl
      jd.xml.xpath.expr.VariableExpression
          jd.xml.xpath.expr.misc.Constant

All Implemented Interfaces:

Expression

public class Constant

extends VariableExpression

Constant represents an expression that evaluates to a constant XObject.

Field Summary

Fields inherited from interface jd.xml.xpath.expr.Expression

DEP_CONTEXT_NODE, DEP_CONTEXT_POSITION, DEP_CONTEXT_SIZE, DEP_CONTEXT_STATIC, DEP_NONE, DEP_UNKNOWN

Constructor Summary

Constant(XObject object)
Create a constant.

Method Summary

void	accept(ExpressionVisitor visitor) Accept a ExpressionVisitor.
int	getContextDependencies() Return DEP_NONE.
int	getResultType() Return the type of the value.
XObject	toXObject(XPathContext context) Return the Constant.

Methods inherited from class jd.xml.xpath.expr.VariableExpression

toBooleanValue, toNumberValue, toStringValue

Methods inherited from class jd.xml.xpath.expr.ExpressionImpl

hasContextDependencies, isUniqueFilter, matchesFilter, toNode, toNodeSet, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Constant

public Constant(XObject object)

Create a constant.

Method Detail

getResultType

public int getResultType()

Return the type of the value.

Specified by:

getResultType in interface Expression

Overrides:

getResultType in class VariableExpression

toXObject

public XObject toXObject(XPathContext context)

Return the Constant.

Parameters:

context - the evaluation context

getContextDependencies

public int getContextDependencies()

Return DEP_NONE.

accept

public void accept(ExpressionVisitor visitor)

Description copied from interface: Expression

Accept a ExpressionVisitor.