Operator Class

com.bea.p13n.expression.operator
Operator Class

public abstract class Operator

    extends ComplexExpressionImpl

Base class for all Operators in the expression package.

Hierarchy
Object
  ComplexExpressionImpl
    Operator
All Implemented Interfaces

Cloneable, Expression, Serializable
Direct Known Subclasses

ClassForName, ClassGetName, ClassNewInstance, CollectionOperator, ComparativeOperator, If, Instanceof, LogicalOperator, MathOperator, MethodCall, ObjectGetClass, ObjectHashCode, ObjectToString, PropertyRef, PropertyRef, StringOperator, SystemCurrentTimeMillis, SystemGetProperty, Variable

Constructor Summary
Operator()

A default constructor that can used by multi-operand operators.
Operator(Object lhs, Object rhs)

A constructor to be used by binary operators.
Operator(Object unaryOperand)

A constructor to be used by unary operators.
 

Method Summary
protected Object
leftHandSide()
Returns left hand side operand of a binary operator.
protected Object
operand()
Returns unary operand of an unary operator.
protected Object
rightHandSide()
Returns right hand side operand of a binary operator.
 
Methods from  com.bea.p13n.expression.internal.ComplexExpressionImpl
addListener, addSubExpression, clearCache, clone, createProxyExpression, equals, getCachedValue, getParent, getSource, getSubExpression, getSubExpressionCount, getUserData, hashCode, isCached, isCacheEnabled, isEqualitySubExpression, notifyListeners, removeAllSubExpressions, removeListener, removeSubExpression, removeSubExpression, setCachedValue, setCacheEnabled, setParent, setSource, setSubExpression, setUserData, toString, write
 
Methods from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
   
Methods from interface com.bea.p13n.expression.Expression
accept, addListener, addSubExpression, clearCache, clone, getCachedValue, getParameterSignature, getParent, getSource, getSubExpression, getSubExpressionCount, getUserData, isCached, isCacheEnabled, removeAllSubExpressions, removeListener, removeSubExpression, removeSubExpression, setCachedValue, setCacheEnabled, setSource, setSubExpression, setUserData, write
 

Constructor Detail

Operator

protected Operator()
A default constructor that can used by multi-operand operators.

Operator

protected Operator(Object lhs, 
                   Object rhs)
A constructor to be used by binary operators.

Operator

protected Operator(Object unaryOperand)
A constructor to be used by unary operators.
 

Method Detail

leftHandSide() Method

protected Object leftHandSide()
Returns left hand side operand of a binary operator.

Returns

An Object representing a left hand side operand of a binary operator.

operand() Method

protected Object operand()
Returns unary operand of an unary operator.

Returns

An Object representing an operand of an unary operator.

rightHandSide() Method

protected Object rightHandSide()
Returns right hand side operand of a binary operator.

Returns

An Object representing a right hand side operand of a binary operator.