func (this *Handler) persistPendingDocuments() {
this.waiter.Add(len(this.pending))
metrics.Measure(DocumentsToSave, int64(len(this.pending)))
for _, document := range this.pending {
go this.persist(document)
}
this.waiter.Wait()
}
func (this *Handler) Listen() {
for message := range this.input {
metrics.Measure(DepthPersistQueue, int64(len(this.input)))
this.addToBatch(message)
if len(this.input) == 0 {
this.handleCurrentBatch(message.Receipt)
}
}
close(this.output)
}
func (this *Handler) Listen() {
for message := range this.input {
now := this.clock.UTCNow()
metrics.Measure(transformQueueDepth, int64(len(this.input)))
this.transformer.TransformAllDocuments(message.Message, now)
if len(this.input) == 0 {
this.output <- projector.DocumentMessage{
Receipt: message.Receipt,
Documents: this.transformer.Collect(),
}
}
}
close(this.output)
}
func (this *Handler) persist(document projector.Document) {
started := clock.UTCNow()
this.writer.Write(document)
metrics.Measure(DocumentWriteLatency, milliseconds(time.Since(started)))
this.waiter.Done()
}