org.planx.xpath.expr.operator
Class EqualityOperator

java.lang.Object
  org.planx.xpath.expr.Expression
      org.planx.xpath.expr.operator.Operator
          org.planx.xpath.expr.operator.EqualityOperator

Direct Known Subclasses:

EqualOperator, NotEqualOperator

public abstract class EqualityOperator
extends Operator

Relational operators include equals, not equals, less than, greater then, etc.

Field Summary

Fields inherited from class org.planx.xpath.expr.operator.Operator

e1, e2

Constructor Summary

EqualityOperator(Expression e1, Expression e2)

Method Summary

protected abstract boolean	compare(boolean v1, boolean v2)
protected abstract boolean	compare(double v1, double v2)
protected abstract boolean	compare(String v1, String v2)
protected abstract boolean	compare(XNodeSet o1, XNodeSet o2, Navigator navigator)
protected XObject	evaluate(XObject o1, XObject o2, Navigator navigator)

Methods inherited from class org.planx.xpath.expr.operator.Operator

evaluate, operatorName, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

EqualityOperator

public EqualityOperator(Expression e1,
                        Expression e2)

Method Detail

evaluate

protected XObject evaluate(XObject o1,
                           XObject o2,
                           Navigator navigator)
                    throws XPathException

Specified by:

evaluate in class Operator

Throws:

XPathException

compare

protected abstract boolean compare(XNodeSet o1,
                                   XNodeSet o2,
                                   Navigator navigator)
                            throws XPathException

Throws:

XPathException

compare

protected abstract boolean compare(boolean v1,
                                   boolean v2)

compare

protected abstract boolean compare(double v1,
                                   double v2)

compare

protected abstract boolean compare(String v1,
                                   String v2)