org.oXML.xpath.step
Class RelationalExpression

java.lang.Object
  org.oXML.xpath.step.RelationalExpression

All Implemented Interfaces:

Expression

public class RelationalExpression

extends java.lang.Object

implements Expression

tbd - how compare a nodeset and boolean ??? eg test="/foo/bar < true()" ??? or even - how compare two booleans? or two strings - lexicographically?? xalan gave me false on 'true() <= false()' and '"abc" <= "abc"'.

Field Summary

static int	GREATER_THAN
static int	GREATER_THAN_OR_EQUAL
static int	LESS_THAN
static int	LESS_THAN_OR_EQUAL

Fields inherited from interface org.oXML.xpath.Expression

OUTPUT_NS

Constructor Summary

RelationalExpression(Expression lhs, Expression rhs, int operation)

Method Summary

void	bind(Resolver ctxt)
Node	evaluate(RuntimeContext ctxt)
java.lang.String	getOperation()
int	operation()
java.lang.String	toString()
void	write(org.xml.sax.ContentHandler handler)

Methods inherited from class java.lang.Object

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

Field Detail

LESS_THAN

public static final int LESS_THAN

See Also:

Constant Field Values

LESS_THAN_OR_EQUAL

public static final int LESS_THAN_OR_EQUAL

See Also:

Constant Field Values

GREATER_THAN

public static final int GREATER_THAN

See Also:

Constant Field Values

GREATER_THAN_OR_EQUAL

public static final int GREATER_THAN_OR_EQUAL

See Also:

Constant Field Values

Constructor Detail

RelationalExpression

public RelationalExpression(Expression lhs,
                            Expression rhs,
                            int operation)

Method Detail

bind

public void bind(Resolver ctxt)
          throws ObjectBoxException

Specified by:

bind in interface Expression

Throws:

ObjectBoxException

operation

public int operation()

getOperation

public java.lang.String getOperation()

evaluate

public Node evaluate(RuntimeContext ctxt)
              throws ObjectBoxException

Specified by:

evaluate in interface Expression

Throws:

ObjectBoxException

toString

public java.lang.String toString()

write

public void write(org.xml.sax.ContentHandler handler)
           throws org.xml.sax.SAXException

Specified by:

write in interface Expression

Throws:

org.xml.sax.SAXException