go.temporal.io/server@v1.23.0/common/tasks/sequential_task_queue.go (about)

     1  // The MIT License
     2  //
     3  // Copyright (c) 2023 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 tasks
    26  
    27  type (
    28  	SequentialTaskQueueFactory[T Task] func(task T) SequentialTaskQueue[T]
    29  
    30  	SequentialTaskQueue[T Task] interface {
    31  		// ID return the ID of the queue, as well as the tasks inside (same)
    32  		ID() interface{}
    33  		// Add push a task to the task set
    34  		Add(T)
    35  		// Remove pop a task from the task set
    36  		Remove() T
    37  		// IsEmpty indicate if the task set is empty
    38  		IsEmpty() bool
    39  		// Len return the size of the queue
    40  		Len() int
    41  	}
    42  )