ptolemy.actor
Class TypeEvent

java.lang.Object
  ptolemy.actor.TypeEvent

All Implemented Interfaces:

DebugEvent

public class TypeEvent
extends java.lang.Object
implements DebugEvent

A TypeEvent represents a type change on a Typeable object. This event is generated by the Typeable whose type is changed, and is passed to the type change listeners to notify them about the change.

Since:

Ptolemy II 0.2

Version:

$Id: TypeEvent.java 57040 2010-01-27 20:52:32Z cxh $

Author:

Yuhong Xiong

See Also:

TypeListener

Accepted Rating:

Green (cxh)

Proposed Rating:

Green (yuhong)

Field Summary

private Type	_newType
private Type	_oldType
private Typeable	_typeable

Constructor Summary

TypeEvent(Typeable typeable, Type oldType, Type newType)
Construct a TypeEvent, with the specified Typeable and the old and new types.

Method Summary

Type	getNewType() Return the new type.
Type	getOldType() Return the old type.
NamedObj	getSource() Return the Typeable whose type is changed.
java.lang.String	toString() Return a string description for this type change.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

_typeable

private Typeable _typeable

_oldType

private Type _oldType

_newType

private Type _newType

Constructor Detail

TypeEvent

public TypeEvent(Typeable typeable,
                 Type oldType,
                 Type newType)

Construct a TypeEvent, with the specified Typeable and the old and new types.

Parameters:

typeable - The Typeable whose type is changed.

oldType - The type of the Typeable before the change.

newType - The type of the Typeable after the change.

Method Detail

getNewType

public Type getNewType()

Return the new type.

Returns:

The type of the Typeable after the change.

getOldType

public Type getOldType()

Return the old type.

Returns:

The type of the Typeable before the change.

getSource

public NamedObj getSource()

Return the Typeable whose type is changed.

Specified by:

getSource in interface DebugEvent

Returns:

The Typeable whose type is changed.

toString

public java.lang.String toString()

Return a string description for this type change. The string is "The type on typeable has changed from old type to new type", where typeable is the name of the Typeable, and old type and new type are the string representation of the types.

Specified by:

toString in interface DebugEvent

Overrides:

toString in class java.lang.Object

Returns:

A string description for this type change.