[SRE] Correcting bug preventing ParticpantLeft to be fired in the def…

…ault space of the default context

The particular case of the default space of the default context haven't
been managed, since it is the first space created its parent.

sre/io.janusproject/io.janusproject.plugin/src/io/sarl/sre/internal/PlatformEventEmitters.sarl

@@ -132,7 +132,7 @@ class SpaceParticipantEventEmitter implements SpaceParticipantListener {
 
 	val logger : Logger
 
-	val defaultSpace : EventSpace
+	var defaultSpace : EventSpace
 
 	new (defaultSpace : EventSpace, logger : Logger) {
 		this.defaultSpace = defaultSpace
@@ -160,7 +160,11 @@ class SpaceParticipantEventEmitter implements SpaceParticipantListener {
 			this.defaultSpace.emit(null, new ParticipantLeft(addr, participantAddr.spaceID))
 		}
 	}
-
+
+	def setDefaultSpace(^space : EventSpace) {
+		this.defaultSpace = ^space
+	}
+
 }
 
 /** Factory for a space participant event emitter.

sre/io.janusproject/io.janusproject.plugin/src/io/sarl/sre/spaces/SpaceParticipantListener.sarl

@@ -1,17 +1,17 @@
-/*
+/* 
  * $Id$
- *
+ * 
  * SARL is an general-purpose agent programming language.
  * More details on http://www.sarl.io
- *
+ * 
  * Copyright (C) 2014-2020 the original authors or authors.
- *
+ * 
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -20,6 +20,7 @@
  */
 package io.sarl.sre.spaces
 
+import io.sarl.lang.core.EventSpace
 import java.util.EventListener
 
 /** 
@@ -47,4 +48,11 @@ interface SpaceParticipantListener extends EventListener {
 	 */
 	def participantLeft(participant : Participant)
 
+	/** 
+	 * Set the default only useful for the first space to be created
+	 * 
+	 * @param space - the default space of the default context
+	 */
+	def setDefaultSpace(^space : EventSpace)
+
 }

sre/io.janusproject/io.janusproject.plugin/src/io/sarl/sre/spaces/SpaceSpecifications.sarl

@@ -73,6 +73,9 @@ abstract class AbstractSreEventSpaceSpecification {
 	protected def createSpaceInstance(id : SpaceID, params : Object*) : OpenLocalEventSpace {
 		val listener = this.spaceParticipantListenerFactory.create(this.defaultSpace, this.logger.kernelLogger)
 		val ^space = new OpenLocalEventSpace(id, listener, this.logger)
+		if (this.defaultSpace === null) {//Only useful for the default space of the default context
+			listener.defaultSpace = ^space;
+		}
 		this.injector.injectMembers(^space)
 		return ^space
 	}