go.temporal.io/server@v1.23.0/common/serviceerror/task_already_started.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 serviceerror
    26  
    27  import (
    28  	"fmt"
    29  
    30  	"google.golang.org/grpc/codes"
    31  	"google.golang.org/grpc/status"
    32  
    33  	"go.temporal.io/server/api/errordetails/v1"
    34  )
    35  
    36  type (
    37  	// TaskAlreadyStarted represents task already started error.
    38  	TaskAlreadyStarted struct {
    39  		Message string
    40  		st      *status.Status
    41  	}
    42  )
    43  
    44  // NewTaskAlreadyStarted returns new TaskAlreadyStarted error.
    45  func NewTaskAlreadyStarted(taskType string) error {
    46  	return &TaskAlreadyStarted{
    47  		Message: fmt.Sprintf("%s task already started.", taskType),
    48  	}
    49  }
    50  
    51  // Error returns string message.
    52  func (e *TaskAlreadyStarted) Error() string {
    53  	return e.Message
    54  }
    55  
    56  func (e *TaskAlreadyStarted) Status() *status.Status {
    57  	if e.st != nil {
    58  		return e.st
    59  	}
    60  
    61  	st := status.New(codes.AlreadyExists, e.Message)
    62  	st, _ = st.WithDetails(
    63  		&errordetails.TaskAlreadyStartedFailure{},
    64  	)
    65  	return st
    66  }
    67  
    68  func newTaskAlreadyStarted(st *status.Status) error {
    69  	return &TaskAlreadyStarted{
    70  		Message: st.Message(),
    71  		st:      st,
    72  	}
    73  }