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66 lines
2.4 KiB
Go
66 lines
2.4 KiB
Go
// The MIT License
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//
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// Copyright (c) 2020 Temporal Technologies Inc. All rights reserved.
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//
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// Copyright (c) 2020 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package internal
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import (
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"time"
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)
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// All code in this file is private to the package.
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type (
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// TimerID contains id of the timer
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TimerID struct {
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id string
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}
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// WorkflowTimerClient wraps the async workflow timer functionality.
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WorkflowTimerClient interface {
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// Now - Current time when the workflow task is started or replayed.
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// the workflow need to use this for wall clock to make the flow logic deterministic.
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Now() time.Time
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// NewTimer - Creates a new timer that will fire callback after d(resolution is in seconds).
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// The callback indicates the error(TimerCanceledError) if the timer is canceled.
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NewTimer(d time.Duration, callback ResultHandler) *TimerID
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// RequestCancelTimer - Requests cancel of a timer, this one doesn't wait for cancellation request
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// to complete, instead invokes the ResultHandler with TimerCanceledError
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// If the timer is not started then it is a no-operation.
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RequestCancelTimer(timerID TimerID)
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}
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)
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func (i TimerID) String() string {
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return i.id
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}
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// ParseTimerID returns TimerID constructed from its string representation.
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// The string representation should be obtained through TimerID.String()
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func ParseTimerID(id string) (TimerID, error) {
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return TimerID{id: id}, nil
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}
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