Implement #140

src/Molecule-Tests/MolComponentAnnouncementTest.class.st

@@ -52,7 +52,7 @@ MolComponentAnnouncementTest >> testAnnounceInstanciated [
 
 	| announcement component component2 |
 	announcement := nil.
-	SystemAnnouncer uniqueInstance when: MolComponentInstanciated do:[ :a | announcement := a ].
+	SystemAnnouncer uniqueInstance when: MolComponentInstantiated do:[ :a | announcement := a ].
 
 	"test by standard instanciation"
 	MolMyUserComponentImpl deploy.

src/Molecule-Tests/MolComponentImplTest.class.st

@@ -658,6 +658,21 @@ MolComponentImplTest >> testStart2 [
 	self assert: component componentName equals: #compA.
 ]
 
+{ #category : #'tests - component creation' }
+MolComponentImplTest >> testStartWithGeneratedName [
+
+	| instance instance2 |
+	instance := MolCompleteComponentImpl startWithGeneratedName.
+	self assert: instance componentName notNil.
+	self assert: instance componentName isSymbol.
+
+	instance2 := MolCompleteComponentImpl startWithGeneratedName.
+	self assert: instance2 componentName notNil.
+	self assert: instance2 componentName isSymbol.
+	self deny: instance componentName equals: instance2 componentName.
+
+]
+
 { #category : #'tests - component creation' }
 MolComponentImplTest >> testStartWithName [
 
@@ -706,6 +721,7 @@ MolComponentImplTest >> testStartWithWrongNames [
 
 { #category : #'tests - component creation' }
 MolComponentImplTest >> testStop [
+
 	MolCompleteComponentImpl start.
 	MolCompleteComponentImpl stop.
 	self assert: (MolUtils instanceOf: MolCompleteComponentImpl) equals: nil.
@@ -715,3 +731,16 @@ MolComponentImplTest >> testStop [
 	self assert: (MolUtils instanceOf: MolCompleteComponentImpl named: #compA) equals: nil.
 
 ]
+
+{ #category : #'tests - component creation' }
+MolComponentImplTest >> testStopInstance [
+
+	| instance |
+	instance := MolCompleteComponentImpl start.
+	instance stop.
+	self assert: (MolUtils instanceOf: MolCompleteComponentImpl) equals: nil.
+
+	instance := MolCompleteComponentImpl start: #test.
+	instance stop.
+	self assert: (MolUtils instanceOf: MolCompleteComponentImpl) equals: nil.
+]

src/Molecule-Tests/MolComponentManagerTest.class.st

@@ -42,9 +42,9 @@ MolComponentManagerTest >> testCleanUp [
 MolComponentManagerTest >> testCleanUpAnnouncements [
 | announcement list selection |
 announcement := nil.
-	SystemAnnouncer uniqueInstance when: MolComponentInstanciated do:[ :a | announcement := a ].
+	SystemAnnouncer uniqueInstance when: MolComponentInstantiated do:[ :a | announcement := a ].
 	SystemAnnouncer uniqueInstance when: MolComponentPassivated do:[ :a | announcement := a ].
-	SystemAnnouncer uniqueInstance when: MolComponentInstanciated do:[ :a | announcement := a ].
+	SystemAnnouncer uniqueInstance when: MolComponentInstantiated do:[ :a | announcement := a ].
 	list := MolAnnouncement withAllSubclasses.
 	selection := SystemAnnouncer uniqueInstance subscriptions subscriptions select: [  :e | list includes: e announcementClass] .
 	self assert: (selection size > 0).

src/Molecule/MolComponentImpl.trait.st

@@ -178,6 +178,12 @@ MolComponentImpl classSide >> start: aComponentName [
 	^ MolUtils startComponent: self named: aComponentName
 ]
 
+{ #category : #'start & stop' }
+MolComponentImpl classSide >> startWithGeneratedName [
+
+	^ self start: (MolUtils generateComponentNameForType: self componentType)
+]
+
 { #category : #'start & stop' }
 MolComponentImpl classSide >> stop [
 
@@ -449,3 +455,10 @@ MolComponentImpl >> servicesProviders [
 		ifNotNil: [ :e | e servicesProviders ]
 		ifNil: [ MolComponentConnector defaultServicesProviders ]
 ]
+
+{ #category : #stop }
+MolComponentImpl >> stop [
+	"Stop me, whatever my name is"
+
+	self class stop: self componentName
+]

src/Molecule/MolComponentInstanciated.class.st → src/Molecule/MolComponentInstantiated.class.st

@@ -2,7 +2,7 @@
 Announcement when a component is instanciated by the ComponentManager.
 "
 Class {
-	#name : #MolComponentInstanciated,
+	#name : #MolComponentInstantiated,
 	#superclass : #MolComponentAnnouncement,
 	#category : #'Molecule-Announcements'
 }

src/Molecule/MolHomeServices.class.st

@@ -206,7 +206,7 @@ MolHomeServices >> instantiateComponent: aComponentClass named: aName [
 	connector := MolComponentConnector new.
 	component componentConnector: connector.
 	component componentInitialize.
-	self announcer announce: (MolComponentInstanciated new 
+	self announcer announce: (MolComponentInstantiated new 
 		component: component; componentName: aName; yourself).
 
 	MolUtils log:

src/Molecule/MolUtils.class.st

@@ -96,7 +96,7 @@ MolUtils class >> createAllComponents [
 	components keysDo: [ :aClass | homeServices activateComponent: aClass ]
 ]
 
-{ #category : #accessing }
+{ #category : #name }
 MolUtils class >> defaultComponentName [
 	"Used when a component instanciation is not nammed"
 
@@ -131,6 +131,33 @@ MolUtils class >> deployAndInitializeComponents: aComponentClassList [
 	^ components
 ]
 
+{ #category : #private }
+MolUtils class >> doRandomComponentNameForType: aComponentType [
+
+	^ (aComponentType printString, (Random new next * 10000000) rounded printString) asSymbol
+
+]
+
+{ #category : #name }
+MolUtils class >> generateComponentNameForType: aComponentType [
+
+	| instances componentName usedNames found |
+	aComponentType ifNil: [ ^ nil ].
+	componentName := self doRandomComponentNameForType: aComponentType.
+	found := false.
+
+	"check if the name is not used"
+	[ found ] whileFalse: [
+		instances := self allComponentInstancesOfType: aComponentType.
+		usedNames := instances collect: [ :c | c componentName ].
+		componentName := self doRandomComponentNameForType: aComponentType.
+		found := usedNames isEmpty
+			         ifTrue: [ true ]
+			         ifFalse: [ (usedNames includes: componentName) not ] ].
+
+	^ componentName
+]
+
 { #category : #accessing }
 MolUtils class >> instanceKindOf: aClass [