com.bea.p13n.expression.operator
Class ObjectHashCode

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

public final class ObjectHashCode

extends Operator

implements UnaryOperator

Implementation of the ObjectHashCode operator. Returns the hash code for an Object instance.
Input 1: An Object or Expression returning an Object.
Returns: An Integer that is the result of calling hashCode on the Object.

See Also:

Serialized Form

Constructor Summary

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

ObjectHashCode(java.lang.Object obj)
Constructs this by associating the given parameter as an operand of this.

Method Summary

java.lang.Object	getOperand()
java.lang.Class[]	getParameterSignature()

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

ObjectHashCode

public ObjectHashCode()

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

ObjectHashCode

public ObjectHashCode(java.lang.Object obj)

Constructs this by associating the given parameter as an operand of this.

Parameters:

obj - An Object or an Expression returning an object.

Method Detail

getParameterSignature

public java.lang.Class[] getParameterSignature()

Overrides:

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

getOperand

public java.lang.Object getOperand()

Specified by:

getOperand in interface UnaryOperator