Overview | Package | Class | Tree | Deprecated | Index | Help
| © 2002 BEA Systems, Inc.
PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD

## 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

Overview | Package | Class | Tree | Deprecated | Index | Help
| © 2002 BEA Systems, Inc.
PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD

Copyright © 2002 BEA Systems, Inc. All Rights Reserved