On this page
[Java] Class MetaClassRegistryChangeEvent
- groovy.lang.MetaClassRegistryChangeEvent
public class MetaClassRegistryChangeEvent
extends EventObject
An event used to propagate meta class updates
Constructor Summary
Constructor and description |
---|
MetaClassRegistryChangeEvent(Object source, Object instance, Class clazz, MetaClass oldMetaClass, MetaClass newMetaClass) Constructs a new MetaClassRegistryChangeEvent Object |
Methods Summary
Type Params | Return Type | Name and description |
---|---|---|
public Class |
getClassToUpdate() Get the class that is updated. |
|
public Object |
getInstance() Returns the instance this event is for. |
|
public MetaClass |
getNewMetaClass() Get the new MetaClass |
|
public MetaClass |
getOldMetaClass() Get the old MetaClass |
|
public MetaClassRegistry |
getRegistry() Get the MetaClassRegistry that originates this change |
|
public boolean |
isPerInstanceMetaClassChange() Determines if this event is for a change for a single instance or all instances of the Class. |
Inherited Methods Summary
Constructor Detail
public MetaClassRegistryChangeEvent(Object source, Object instance, Class clazz, MetaClass oldMetaClass, MetaClass newMetaClass)
Constructs a new MetaClassRegistryChangeEvent Object
- Parameters:
source
- The object the event originates at.instance
- Object instance the MetaClass change is on.clazz
- The class that is affected by the registry changeoldMetaClass
- The old MetaClassnewMetaClass
- The new MetaClass
Method Detail
public Class getClassToUpdate()
Get the class that is updated.
- Returns:
- The updated class
public Object getInstance()
Returns the instance this event is for.
- Returns:
- the instance or null if this event is for a change for all instances of a class
public MetaClass getNewMetaClass()
Get the new MetaClass
- Returns:
- The new MetaClass
public MetaClass getOldMetaClass()
Get the old MetaClass
- Returns:
- The old MetaClass
public MetaClassRegistry getRegistry()
Get the MetaClassRegistry that originates this change
- Returns:
- the source MetaClassRegistry
public boolean isPerInstanceMetaClassChange()
Determines if this event is for a change for a single instance or all instances of the Class.
- Returns:
- whether this event is for a single instance
© 2003-2022 The Apache Software Foundation
Licensed under the Apache license.
https://docs.groovy-lang.org/4.0.0/html/gapi/groovy/lang/MetaClassRegistryChangeEvent.html