Package org.apache.commons.jxpath.ri.compiler

Class CoreOperationLessThanOrEqual

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.CoreOperationLessThanOrEqual

public class CoreOperationLessThanOrEqual
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.Expression

NOT_A_NUMBER, ONE, ZERO

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

args

Constructor Summary

Constructors

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

Method Summary

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

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

compute, toString

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

computeValue, getPrecedence, isSymmetric

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

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

computeContextDependent, getArguments

Constructor Detail

CoreOperationLessThanOrEqual

public CoreOperationLessThanOrEqual(Expression arg1,
                                    Expression arg2)

Create a new CoreOperationLessThanOrEqual.

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 java.lang.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