com.bea.p13n.expression.operator
Class Instanceof

java.lang.Object
  |
  +--com.bea.p13n.expression.internal.ComplexExpressionImpl
        |
        +--com.bea.p13n.expression.operator.Operator
              |
              +--com.bea.p13n.expression.operator.Instanceof

public final class Instanceof

extends Operator

implements BinaryOperator

Implementation of the Instanceof operator. Returns a Boolean if the Object parameter (which can be an expression) is an instance of a class type.
Input 1: An object or Expression returning an object.
Input 2: A Class or an Expression returning a Class
Returns: A Boolean that is the result of testing the object against the Class.

See Also:

Serialized Form

Constructor Summary

Instanceof()
Constructs an empty operator and operands can be added later by calling addSubExpression() on this.

Instanceof(java.lang.Object obj, java.lang.Class clazz)
Constructs this by associating the given parameters as operands.

Method Summary

java.lang.Object	getLeftHandSide()
java.lang.Class[]	getParameterSignature()
java.lang.Object	getRightHandSide()
java.lang.Object	getTargetClass() Returns Class operand of this operator.
java.lang.Object	getTargetObject() Returns Object operand of this operator.

Methods inherited from class com.bea.p13n.expression.operator.Operator

leftHandSide, operand, rightHandSide

Methods inherited from class 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 inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Instanceof

public Instanceof()

Constructs an empty operator and operands can be added later by calling addSubExpression() on this.

Instanceof

public Instanceof(java.lang.Object obj,
                  java.lang.Class clazz)

Constructs this by associating the given parameters as operands.

Parameters:

obj - An Object or Expression returning an object.

clazz - A Class or an Expression returning a Class.

Method Detail

getTargetObject

public java.lang.Object getTargetObject()

Returns Object operand of this operator.

Returns:

Object An Object or Expression that is used as an Object operand of this.

getTargetClass

public java.lang.Object getTargetClass()

Returns Class operand of this operator.

Returns:

Object representing a Class operand of this.

getParameterSignature

public java.lang.Class[] getParameterSignature()

Overrides:

getParameterSignature in class com.bea.p13n.expression.internal.ComplexExpressionImpl

getLeftHandSide

public java.lang.Object getLeftHandSide()

Specified by:

getLeftHandSide in interface BinaryOperator

getRightHandSide

public java.lang.Object getRightHandSide()

Specified by:

getRightHandSide in interface BinaryOperator