[Java] Class MetaClassRegistryChangeEvent
- groovy.lang.MetaClassRegistryChangeEvent
An event used to propagate meta class updates
- Authors:
- Jochen Theodorou
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 |
|---|---|---|
Class |
getClassToUpdate()Get the class that is updated. | |
Object |
getInstance()Returns the instance this event is for. | |
MetaClass |
getNewMetaClass()Get the new MetaClass | |
MetaClass |
getOldMetaClass()Get the old MetaClass | |
MetaClassRegistry |
getRegistry()Get the MetaClassRegistry that originates this change | |
boolean |
isPerInstanceMetaClassChange()Determines if this event is for a change for a single instance or all instances of the Class. |
Inherited Methods Summary
| Methods inherited from class | Name |
|---|---|
class EventObject | toString, getSource, wait, wait, wait, equals, hashCode, getClass, notify, notifyAll |
class Object | wait, wait, wait, equals, toString, hashCode, getClass, notify, notifyAll |
Constructor Detail
public MetaClassRegistryChangeEvent(Object source, Object instance, Class clazz, MetaClass oldMetaClass, MetaClass newMetaClass)
Constructs a new MetaClassRegistryChangeEvent Object
- Parameters:
-
source- The object the the event originates at. -
instance- Object instance the MetaClass change is on. -
clazz- The class that is affected by the registry change -
oldMetaClass- The old MetaClass -
newMetaClass- 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
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Licensed under the Apache license.
https://docs.groovy-lang.org/2.4.21/html/gapi/groovy/lang/MetaClassRegistryChangeEvent.html