org.apache.commons.jxpath.ri.compiler

Class CoreOperationLessThan

java.lang.Object

org.apache.commons.jxpath.ri.compiler.Expression

org.apache.commons.jxpath.ri.compiler.Operation

org.apache.commons.jxpath.ri.compiler.CoreOperation

org.apache.commons.jxpath.ri.compiler.CoreOperationRelationalExpression

org.apache.commons.jxpath.ri.compiler.CoreOperationLessThan

public class CoreOperationLessThan
extends CoreOperationRelationalExpression

Implementation of Expression for the operation "<".

Version:

$Revision: 652845 $ $Date: 2008-05-02 12:46:46 -0500 (Fri, 02 May 2008) $

Author:

Dmitri Plotnikov

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.commons.jxpath.ri.compiler.Expression

Expression.PointerIterator, Expression.ValueIterator

Field Summary

Fields inherited from class org.apache.commons.jxpath.ri.compiler.CoreOperation

ADD_PRECEDENCE, AND_PRECEDENCE, COMPARE_PRECEDENCE, MULTIPLY_PRECEDENCE, NEGATE_PRECEDENCE, OR_PRECEDENCE, RELATIONAL_EXPR_PRECEDENCE, UNION_PRECEDENCE

Fields inherited from class org.apache.commons.jxpath.ri.compiler.Operation

args

Fields inherited from class org.apache.commons.jxpath.ri.compiler.Expression

NOT_A_NUMBER, ONE, ZERO

Constructor Summary

Constructors

Constructor and Description
CoreOperationLessThan(Expression arg1, Expression arg2) Create a new CoreOperationLessThan.

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	evaluateCompare(int compare) Template method for subclasses to evaluate the result of a comparison.
String	getSymbol() Returns the XPath symbol for this operation, e.g.

Methods inherited from class org.apache.commons.jxpath.ri.compiler.CoreOperationRelationalExpression

computeValue, getPrecedence, isSymmetric

Methods inherited from class org.apache.commons.jxpath.ri.compiler.CoreOperation

compute, toString

Methods inherited from class org.apache.commons.jxpath.ri.compiler.Operation

computeContextDependent, getArguments

Methods inherited from class org.apache.commons.jxpath.ri.compiler.Expression

isContextDependent, iterate, iteratePointers

Methods inherited from class java.lang.Object

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

Constructor Detail

CoreOperationLessThan

public CoreOperationLessThan(Expression arg1,
                     Expression arg2)

Create a new CoreOperationLessThan.

Parameters:

arg1 - left Expression

arg2 - right Expression

Method Detail

evaluateCompare

protected boolean evaluateCompare(int compare)

Description copied from class: CoreOperationRelationalExpression

Template method for subclasses to evaluate the result of a comparison.

Specified by:

evaluateCompare in class CoreOperationRelationalExpression

Parameters:

compare - result of comparison to evaluate

Returns:

ultimate operation success/failure

getSymbol

public String getSymbol()

Description copied from class: CoreOperation

Returns the XPath symbol for this operation, e.g. "+", "div", etc.

Specified by:

getSymbol in class CoreOperation

Returns:

String symbol