go.temporal.io/server@v1.23.0/common/definition/resource_dedup.go (about)

     1  // The MIT License
     2  //
     3  // Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
     4  //
     5  // Copyright (c) 2020 Uber Technologies, Inc.
     6  //
     7  // Permission is hereby granted, free of charge, to any person obtaining a copy
     8  // of this software and associated documentation files (the "Software"), to deal
     9  // in the Software without restriction, including without limitation the rights
    10  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    11  // copies of the Software, and to permit persons to whom the Software is
    12  // furnished to do so, subject to the following conditions:
    13  //
    14  // The above copyright notice and this permission notice shall be included in
    15  // all copies or substantial portions of the Software.
    16  //
    17  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    18  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    19  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    20  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    21  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    22  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    23  // THE SOFTWARE.
    24  
    25  package definition
    26  
    27  import (
    28  	"fmt"
    29  )
    30  
    31  const (
    32  	resourceIDTemplate       = "%v::%v"
    33  	eventReappliedIDTemplate = "%v::%v::%v"
    34  )
    35  
    36  type (
    37  	// DeduplicationID uses to generate id for deduplication
    38  	DeduplicationID interface {
    39  		GetID() string
    40  	}
    41  )
    42  
    43  // Deduplication id type
    44  const (
    45  	eventReappliedID = iota
    46  )
    47  
    48  // Deduplication resource struct
    49  type (
    50  	// EventReappliedID is the deduplication resource for reapply event
    51  	EventReappliedID struct {
    52  		id string
    53  	}
    54  )
    55  
    56  // NewEventReappliedID returns EventReappliedID resource
    57  func NewEventReappliedID(
    58  	runID string,
    59  	eventID int64,
    60  	version int64,
    61  ) EventReappliedID {
    62  
    63  	newID := fmt.Sprintf(
    64  		eventReappliedIDTemplate,
    65  		runID,
    66  		eventID,
    67  		version,
    68  	)
    69  	return EventReappliedID{
    70  		id: newID,
    71  	}
    72  }
    73  
    74  // GetID returns id of EventReappliedID
    75  func (e EventReappliedID) GetID() string {
    76  	return e.id
    77  }
    78  
    79  // GenerateDeduplicationKey generates deduplication key
    80  func GenerateDeduplicationKey(
    81  	resource DeduplicationID,
    82  ) string {
    83  
    84  	switch resource.(type) {
    85  	case EventReappliedID:
    86  		return generateKey(eventReappliedID, resource.GetID())
    87  	default:
    88  		panic("unsupported deduplication key")
    89  	}
    90  }
    91  
    92  func generateKey(resourceType int32, id string) string {
    93  	return fmt.Sprintf(resourceIDTemplate, resourceType, id)
    94  }