ptserver.data

Class AttributeChangeToken

java.lang.Object

ptolemy.data.Token

ptserver.data.AttributeChangeToken

public class AttributeChangeToken
extends Token

Encapsulate changes made to a settable object.

Since:

Ptolemy II 10.0

Version:

$Id$

Author:

Peter Foldes

Pt.AcceptedRating:

Red (pdf)

Pt.ProposedRating:

Red (pdf)

Field Summary

Fields inherited from class ptolemy.data.Token

NIL

Constructor Summary

Constructors

Constructor and Description
AttributeChangeToken() Create a new instance with targetSettable set to null.
AttributeChangeToken(java.lang.String targetSettable) Create a new instance and set the name of the targetActor.

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object object) Return true if the object is equal to the instance, false otherwise.
java.lang.String	getExpression() Return the expression.
java.lang.String	getTargetSettableName() Return name of the target settable object that received the changes encapsulated by the AttributeChangeToken.
int	hashCode() The hashCode method generates an identifier based on the stored expression and the target settable object.
void	setExpression(java.lang.String newExpression) Set the value of the expression carried.
void	setTargetSettableName(java.lang.String targetSettableName) Set the name of target settable object that received the changes that the AttributeChangeToken encapsulates.

Methods inherited from class ptolemy.data.Token

add, addReverse, divide, divideReverse, getType, isCloseTo, isCloseTo, isEqualTo, isNil, modulo, moduloReverse, multiply, multiplyReverse, notSupportedConversionMessage, notSupportedIncomparableConversionMessage, notSupportedIncomparableMessage, notSupportedMessage, notSupportedNullNilStringMessage, one, pow, subtract, subtractReverse, toString, zero, zeroReturnType

Methods inherited from class java.lang.Object

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

Constructor Detail

AttributeChangeToken

public AttributeChangeToken()

Create a new instance with targetSettable set to null.

AttributeChangeToken

public AttributeChangeToken(java.lang.String targetSettable)

Create a new instance and set the name of the targetActor.

Parameters:

targetSettable - The full name of the attribute

Method Detail

equals

public boolean equals(java.lang.Object object)

Return true if the object is equal to the instance, false otherwise. The method checks if the object has the same target name and the same expression.

Overrides:

equals in class java.lang.Object

Parameters:

object - The reference object with which to compare.

Returns:

True if the object is equal to the instance, false otherwise.

See Also:

Object.equals(java.lang.Object)

hashCode

public int hashCode()

The hashCode method generates an identifier based on the stored expression and the target settable object. Used to check equality.

Overrides:

hashCode in class java.lang.Object

Returns:

The hashcode of the instance.

getExpression

public java.lang.String getExpression()

Return the expression.

Returns:

The expression.

See Also:

setExpression(String)

getTargetSettableName

public java.lang.String getTargetSettableName()

Return name of the target settable object that received the changes encapsulated by the AttributeChangeToken.

Returns:

The name of the target settable object that received the changes encapsulated by the AttributeChangeToken.

See Also:

setTargetSettableName(String)

setExpression

public void setExpression(java.lang.String newExpression)

Set the value of the expression carried.

Parameters:

newExpression - the changed expression

See Also:

getExpression()

setTargetSettableName

public void setTargetSettableName(java.lang.String targetSettableName)

Set the name of target settable object that received the changes that the AttributeChangeToken encapsulates.

Parameters:

targetSettableName - the name of the target actor

See Also:

getTargetSettableName()