Package org.apache.commons.el
Class BinaryOperator
java.lang.Object
org.apache.commons.el.BinaryOperator
- Direct Known Subclasses:
AndOperator
,ArithmeticOperator
,DivideOperator
,EqualityOperator
,IntegerDivideOperator
,ModulusOperator
,OrOperator
,RelationalOperator
This is the superclass for all binary operators
- Version:
- $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: luehe $
- Author:
- Nathan Abramson - Art Technology Group
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionabstract Object
Applies the operator to the given pair of valuesabstract String
Returns the symbol representing the operatorboolean
Returns true if the operator expects its arguments to be coerced to Booleans.boolean
shouldEvaluate
(Object pLeft) Returns true if evaluation is necessary given the specified Left value.
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Constructor Details
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BinaryOperator
public BinaryOperator()Constructor
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Method Details
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getOperatorSymbol
Returns the symbol representing the operator -
apply
public abstract Object apply(Object pLeft, Object pRight, Logger pLogger) throws javax.servlet.jsp.el.ELException Applies the operator to the given pair of values- Throws:
javax.servlet.jsp.el.ELException
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shouldEvaluate
Returns true if evaluation is necessary given the specified Left value. The And/OrOperators make use of this -
shouldCoerceToBoolean
public boolean shouldCoerceToBoolean()Returns true if the operator expects its arguments to be coerced to Booleans. The And/Or operators set this to true.
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