Class: SystemChangeNotifier

• Inheritance
• Description
• Class protocol
  • instance creation
• Instance protocol
  • change notifications
  • initialization
  • public

Inheritance:

   Object
   |
   +--SystemChangeNotifier

Package:

stx:libbasic

Category:

Kernel-Classes-Support

Version:

rev: 1.8 date: 2017/01/24 00:03:56

user: cg

file: SystemChangeNotifier.st directory: libbasic

module: stx stc-classLibrary: libbasic

Description:

For now, this implementation is mostly for squeak compatibility.
However, in the future, we may move the change notification code from ClassDescription to here,
to make things easier to understand, and classDescription a little bit more lightweight.

Class protocol:

 uniqueInstance

I am a singleton

Instance protocol:

 class: trait recategorizedFrom: oldCategory to: newCategory

dummy for now - will write a change record eventually

 classAdded: aClass inCategory: aCategoryString

dummy for now - will write a change record eventually

 traitDefinitionChangedFrom: oldTrait to: newTrait

dummy for now - will write a change record eventually

 initialize

eventSource := SystemEventManager new.

 doSilently: aBlock

Perform the block, and ensure that no system notification are broadcasted while doing so.

 isBroadcasting

 noMoreNotificationsFor: aStakeHolder

dummy for now

 notify: aStakeHolder ofAllSystemChangesUsing: changeMessage

dummy for now

 notify: aStakeHolder ofSystemChangesOfItem: anItemSymbol change: changeTypeSymbol using: changeMessage

dummy for now