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engine: event: Switch events system to use simpler structs

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Pass around pointers of things now. Also, naming is vastly improved and
clearer.
This commit is contained in:
James Shubin
2019-01-12 14:27:36 -05:00
parent e20555d4bc
commit e2296a631b
5 changed files with 97 additions and 47 deletions
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8
engine/graph/engine.go
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@@ -196,8 +196,8 @@ func (obj *Engine) Commit() error {
}
vertexRemoveFn := func(vertex pgraph.Vertex) error {
// wait for exit before starting new graph!
obj.state[vertex].Event(event.EventExit) // signal an exit
obj.waits[vertex].Wait() // sync
obj.state[vertex].Event(event.Exit) // signal an exit
obj.waits[vertex].Wait() // sync
// close the state and resource
// FIXME: will this mess up the sync and block the engine?
@@ -276,7 +276,7 @@ func (obj *Engine) Start() error {
}
if unpause { // unpause (if needed)
obj.state[vertex].Event(event.EventStart)
obj.state[vertex].Event(event.Start)
}
}
// we wait for everyone to start before exiting!
@@ -301,7 +301,7 @@ func (obj *Engine) Pause(fastPause bool) {
for _, vertex := range topoSort { // squeeze out the events...
// The Event is sent to an unbuffered channel, so this event is
// synchronous, and as a result it blocks until it is received.
obj.state[vertex].Event(event.EventPause)
obj.state[vertex].Event(event.Pause)
}
// we are now completely paused...