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Remove RingConsumer.Close

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This is now unused.
This commit is contained in:
Simon Ser 2020-04-06 18:33:26 +02:00
parent f0bc919885
commit 7961fbc137
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GPG Key ID: 0FDE7BE0E88F5E48
1 changed files with 2 additions and 22 deletions
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24
ring.go
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@ -70,9 +70,8 @@ func (r *Ring) NewConsumer(seq *uint64) *RingConsumer {
// RingConsumer is a ring buffer consumer. // RingConsumer is a ring buffer consumer.
type RingConsumer struct { type RingConsumer struct {
ring *Ring ring *Ring
cur uint64 cur uint64
closed bool
} }
// diff returns the number of pending messages. It assumes the Ring is locked. // diff returns the number of pending messages. It assumes the Ring is locked.
@ -86,10 +85,6 @@ func (rc *RingConsumer) diff() uint64 {
// Peek returns the next pending message if any without consuming it. A nil // Peek returns the next pending message if any without consuming it. A nil
// message is returned if no message is available. // message is returned if no message is available.
func (rc *RingConsumer) Peek() *irc.Message { func (rc *RingConsumer) Peek() *irc.Message {
if rc.closed {
panic("soju: RingConsumer.Peek called after Close")
}
diff := rc.diff() diff := rc.diff()
if diff == 0 { if diff == 0 {
return nil return nil
@ -115,18 +110,3 @@ func (rc *RingConsumer) Consume() *irc.Message {
} }
return msg return msg
} }
// Close stops consuming messages. The consumer channel will be closed. The
// current history sequence number is returned. It can be provided later as an
// argument to Ring.NewConsumer to resume the message stream.
func (rc *RingConsumer) Close() uint64 {
for i := range rc.ring.consumers {
if rc.ring.consumers[i] == rc {
rc.ring.consumers = append(rc.ring.consumers[:i], rc.ring.consumers[i+1:]...)
break
}
}
rc.closed = true
return rc.cur
}