45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
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package timerqueue_test
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import (
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"fmt"
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"time"
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"go-common/app/admin/main/up/util/timerqueue"
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)
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type event int
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func (e event) OnTimer(t time.Time) {
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fmt.Printf(" Event %d executed at %v\n", int(e), t)
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}
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// Schedule several events with a timerqueue, and dispatch
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// them by calling Advance.
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func ExampleQueue() {
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queue := timerqueue.New()
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// Schedule an event each day from Jan 1 to Jan 7, 2015.
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tm := time.Date(2015, 1, 1, 0, 0, 0, 0, time.UTC)
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for i := 1; i <= 7; i++ {
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queue.Schedule(event(i), tm)
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tm = tm.Add(24 * time.Hour)
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}
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fmt.Println("Advancing to Jan 4...")
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queue.Advance(time.Date(2015, 1, 4, 0, 0, 0, 0, time.UTC))
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fmt.Println("Advancing to Jan 10...")
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queue.Advance(time.Date(2015, 1, 10, 0, 0, 0, 0, time.UTC))
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// Output:
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// Advancing to Jan 4...
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// Event 1 executed at 2015-01-01 00:00:00 +0000 UTC
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// Event 2 executed at 2015-01-02 00:00:00 +0000 UTC
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// Event 3 executed at 2015-01-03 00:00:00 +0000 UTC
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// Event 4 executed at 2015-01-04 00:00:00 +0000 UTC
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// Advancing to Jan 10...
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// Event 5 executed at 2015-01-05 00:00:00 +0000 UTC
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// Event 6 executed at 2015-01-06 00:00:00 +0000 UTC
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// Event 7 executed at 2015-01-07 00:00:00 +0000 UTC
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}
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