[FAB-2944]: Make leadership callback synchronous

C0rWin · C0rWin · commit d82985196c4d · 2017-04-01T21:40:18.000+03:00
In order to make leader election test consistent and not to fail this
commit makes switching leadership state synchronous.

Change-Id: Ie04155bd089f0e7e8553bca9df33e14e0d332817
Signed-off-by: Artem Barger &lt;bartem@il.ibm.com&gt;
diff --git a/gossip/election/election.go b/gossip/election/election.go
@@ -361,13 +361,13 @@ func (le *leaderElectionSvcImpl) IsLeader() bool {
 func (le *leaderElectionSvcImpl) beLeader() {
 	le.logger.Debug(le.id, ": Becoming a leader")
 	atomic.StoreInt32(&le.isLeader, int32(1))
-	go le.callback(true)
+	le.callback(true)
 }
 
 func (le *leaderElectionSvcImpl) stopBeingLeader() {
 	le.logger.Debug(le.id, "Stopped being a leader")
 	atomic.StoreInt32(&le.isLeader, int32(0))
-	go le.callback(false)
+	le.callback(false)
 }
 
 func (le *leaderElectionSvcImpl) shouldStop() bool {

Original file line number	Diff line number	Diff line change
`@@ -361,13 +361,13 @@ func (le *leaderElectionSvcImpl) IsLeader() bool {`
`361`	`361`	`func (le *leaderElectionSvcImpl) beLeader() {`
`362`	`362`	`le.logger.Debug(le.id, ": Becoming a leader")`
`363`	`363`	`atomic.StoreInt32(&le.isLeader, int32(1))`
`364`		`- go le.callback(true)`
	`364`	`+ le.callback(true)`
`365`	`365`	`}`
`366`	`366`
`367`	`367`	`func (le *leaderElectionSvcImpl) stopBeingLeader() {`
`368`	`368`	`le.logger.Debug(le.id, "Stopped being a leader")`
`369`	`369`	`atomic.StoreInt32(&le.isLeader, int32(0))`
`370`		`- go le.callback(false)`
	`370`	`+ le.callback(false)`
`371`	`371`	`}`
`372`	`372`
`373`	`373`	`func (le *leaderElectionSvcImpl) shouldStop() bool {`