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internal_time.go
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internal_time.go
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// Copyright (c) 2017 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package cadence
import (
"time"
)
// All code in this file is private to the package.
type (
timerInfo struct {
timerID string
}
// workflowTimerClient wraps the async workflow timer functionality.
workflowTimerClient interface {
// Now - Current time when the decision task is started or replayed.
// the workflow need to use this for wall clock to make the flow logic deterministic.
Now() time.Time
// NewTimer - Creates a new timer that will fire callback after d(resolution is in seconds).
// The callback indicates the error(TimerCanceledError) if the timer is cancelled.
NewTimer(d time.Duration, callback resultHandler) *timerInfo
// RequestCancelTimer - Requests cancel of a timer, this one doesn't wait for cancellation request
// to complete, instead invokes the resultHandler with TimerCanceledError
// If the timer is not started then it is a no-operation.
RequestCancelTimer(timerID string)
}
)