173 lines
5.6 KiB
PHP
173 lines
5.6 KiB
PHP
<?php
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/**
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* FuzeWorks Async Library
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*
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* The FuzeWorks PHP FrameWork
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*
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* Copyright (C) 2013-2020 TechFuze
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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 all
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* 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 THE
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* SOFTWARE.
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*
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* @author TechFuze
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* @copyright Copyright (c) 2013 - 2020, TechFuze. (http://techfuze.net)
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* @license https://opensource.org/licenses/MIT MIT License
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*
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* @link http://techfuze.net/fuzeworks
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* @since Version 1.0.0
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*
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* @version Version 1.0.0
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*/
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namespace FuzeWorks\Async;
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interface TaskStorage
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{
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/**
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* TaskStorage constructor.
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*
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* @throws TasksException
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* @param array $parameters from config file
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*/
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public function __construct(array $parameters);
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/**
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* Add a task to the TaskStorage.
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*
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* @param Task $task
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* @return bool
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*/
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public function addTask(Task $task): bool;
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/**
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* Retrieves a list of all tasks logged in the system
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*
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* When using $noIncludeDone, Tasks that are Completed and Cancelled will not be returned.
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*
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* @param bool $noIncludeDone
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* @return Task[]
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*/
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public function readTasks(bool $noIncludeDone = false): array;
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/**
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* Retrieves an individual task by its identifier
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*
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* @param string $identifier
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* @return Task
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* @throws TasksException
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*/
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public function getTaskById(string $identifier): Task;
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/**
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* Modifies a task
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*
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* Should first check if the Task exists in TaskStorage. If not, it should throw a TasksException.
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*
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* Modifies a Task in TaskStorage. Should fire a TaskModifyEvent and cancel the edit if cancelled by the event.
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* If cancelled, should return zero. Preferably be logged as well.
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*
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* @param Task $task
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* @return bool
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* @throws TasksException
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*/
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public function modifyTask(Task $task): bool;
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/**
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* Delete a task from the TaskStorage. Should not be used to finish a task!
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*
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* @param Task $task
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* @return bool
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*/
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public function deleteTask(Task $task): bool;
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/**
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* Write the task output into TaskStorage.
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*
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* $attempt refers to $task->getRetries(). If 0, it is the initial attempt. If > 0, it seeks a retry output.
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*
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* @param Task $task
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* @param string $output
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* @param string $errors
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* @param int $statusCode
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* @return bool
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* @throws TasksException
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*/
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public function writeTaskOutput(Task $task, string $output, string $errors, int $statusCode): bool;
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/**
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* Write the output of the postHandler into TaskStorage
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*
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* $attempt refers to $task->getRetries(). If 0, it is the initial attempt. If > 0, it seeks a retry output.
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*
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* @param Task $task
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* @param string $output
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* @param string $errors
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* @param int $statusCode
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* @return bool
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* @throws TasksException
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*/
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public function writePostOutput(Task $task, string $output, string $errors, int $statusCode): bool;
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/**
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* Read the task output from taskStorage.
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*
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* The following output is expected:
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* array('output' => string $output, 'errors' => string $errors, 'status' => $code)
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* OR null if not found (yet)
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*
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* Attempt refers to the attempt that the task has ran and that individual output.
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* If > 0, the output as mentioned above will be returned. If = 0, an array of such outputs will be returned.
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*
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* Returns null because that is a very valid response. Oftentimes output will need to be checked and its undesirable
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* to always throw an exception for expected behaviour.
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*
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* @param Task $task
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* @param int $attempt
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* @return array|null
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*/
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public function readTaskOutput(Task $task, int $attempt = 0): ?array;
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/**
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* Read the output from the postHandler
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*
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* The following output is expected:
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* array('output' => string $output, 'errors' => string $errors, 'status' => $code)
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* OR null if not found (yet)
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*
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* Attempt refers to the attempt that the task has ran and that individual output.
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* If > 0, the output as mentioned above will be returned. If = 0, an array of such outputs will be returned.
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*
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* Returns null because that is a very valid response. Oftentimes output will need to be checked and its undesirable
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* to always throw an exception for expected behaviour.
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*
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* @param Task $task
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* @param int $attempt
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* @return array|null
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*/
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public function readPostOutput(Task $task, int $attempt = 0): ?array;
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/**
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* Reset the TaskStorage.
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*
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* Remove all tasks and their output from the storage so the TaskStorage begins anew.
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*
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* @return bool
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*/
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public function reset(): bool;
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} |