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File: StateMachineOne.md

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File: StateMachineOne.md
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Class: PHP State Machine One
Process transitions in a state machine
Author: By
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Date: 1 year ago
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Definition of the class StateMachineOne

Field tableJobs (string)

The name of the table to store the jobs

Field tableJobLogs (string)

The name of the table to store the logs per job. If it's empty then it is not used

Field columnJobs (array)

The list of database columns used by the job

Field columnJobLogs (array)

The List of database columns used by the log of the job

Field idRef (string[])

It indicates a special field to set the reference of the job.

Field extraColumnJobs (array)

It indicates extra fields/states

Method setChangeStateTrigger()

It sets the method called when the job change state

Parameters:

  • $changeStateTrigger param callable $changeStateTrigger (callable) ## Method setStartTrigger() It sets the method called when the job starts

Parameters:

  • $startTrigger param callable $startTrigger (callable) ## Method setPauseTrigger() It sets the method called when job is paused

Parameters:

  • $pauseTrigger param callable $pauseTrigger (callable) ## Method setStopTrigger() It sets the method called when the job stop

Parameters:

  • $stopTrigger param callable $stopTrigger (callable)
    $tmp=$statemachineone->setStopTriggerthis(); 
    
    ## Method setGetNumberTrigger() It sets a function to returns the number of the process. By default, it is obtained by the database or via an internal counter.

Parameters:

  • $getNumberTrigger param callable $getNumberTrigger (callable) ## Method addTransition() add a new transition

Parameters:

  • $state0 Initial state (string)
  • $state1 Ending state (string)
  • $conditions Conditions, it could be a function or a string 'instock = "hello"' (mixed)
  • $duration Duration of the transition in seconds. (int)
  • $result =['change','pause','continue','stop']$i ## Method resetTransition() We clear all transitions.

Parameters:

Method isDbActive()

Returns true if the database is active

Parameters:

Method setDbActive()

It sets the database as active. When we call setDb() then it is set as true automatically.

Parameters:

  • $dbActive param bool $dbActive (bool) ## Method isDebug() Returns true if is in debug mode.

Parameters:

Method setDebug()

Set the debug mode. By default the debug mode is false.

Parameters:

  • $debug param bool $debug (bool) ## Method getJobQueue() Returns the job queue.

Parameters:

Method setJobQueue()

Set the job queue

Parameters:

  • $jobQueue param Job[] $jobQueue (Job[]) ## Method setDefaultInitState()

Parameters:

  • $defaultInitState param int $defaultInitState (int) ## Method getStates() Gets an array with the states

Parameters:

Method setStates()

Set the array with the states

Parameters:

  • $states param array $states (array) ## Method __construct() Constructor of the class. By default, the construct set default triggers. StateMachineOne constructor.

Parameters:

Method setDB()

It sets the database

Parameters:

  • $server server ip, example "localhost" (string)
  • $user user of the database, example "root" (string)
  • $pwd password of the database, example "123456" (string)
  • $db database(schema), example "sakila" (string) ## Method getDB() It returns the current connection. If there is not a connection then it generates a new one.

Parameters:

Method loadDBJob()

Loads a job from the database

Parameters:

  • $idJob param $idJob () ## Method loadDBActiveJobs() It loads all jobs from the database with all active state but none and stopped.

Parameters:

Method loadDBAllJob()

It loads all jobs from the database regardless its active state.

Parameters:

Method arrayToJob()

Parameters:

Method jobToArray()

Parameters:

  • $job param Job $job (Job) ## Method createDbTable() (optional), it creates a database table, including indexes.

Parameters:

  • $drop if true, then the table will be dropped. (bool) ## Method saveDBJob() It saves a job in the database. It only saves a job that is marked as new or updated

Parameters:

  • $job param Job $job (Job) ## Method saveDBJobLog() Insert a new job log into the database.

Parameters:

  • $idJob param $idJob ()
  • $arr param $arr () ## Method saveDBAllJob() It saves all jobs in the database that are marked as new or updated.

Parameters:

Method createJob()

It creates a new job.

Parameters:

  • $idRef Every job must refence some object/operation/entity/individual. (int[])
  • $fields param array $fields (array)
  • $active=['none','inactive','active','pause','stop'][$i] param string $active=['none','inactive','active','pause','stop']$i
  • $initState param mixed $initState (mixed)
  • $dateStart param int|null $dateStart (int|null)
  • $durationSec Duration (maximum) in seconds of the event (int|null)
  • $expireSec param int|null $expireSec (int|null) ## Method getJob() It gets a job by id.

Parameters:

  • $idJob param int $idJob (int) ## Method checkJob() It checks a specific job and proceed to change state. We check a job and we change the state

Parameters:

  • $idJob param $idJob () ## Method checkAllJobs() It checks all jobs available (if the active state of the job is any but none or stop)

Parameters:

Method changeState()

It changes the state of a job manually. It changes the state manually.

Parameters:

  • $job param Job $job (Job)
  • $newState param mixed $newState (mixed) ## Method dateToString()

Parameters:

  • $time timestamp with microseconds (int|null) ## Method addLog() It adds a log of the job.

Parameters:

  • $idJob param int $idJob (int)
  • $type=['ERROR','WARNING','INFO','DEBUG'][$i] param string $type=['ERROR','WARNING','INFO','DEBUG']$i
  • $description param string $description (string) ## Method removeJob() It removes a jobs of the queue.

Parameters:

  • $job param Job $job (Job)
    $tmp=$statemachineone->removeJobthis(); 
    
    ## Method checkConsistence() We check if the states are consistents. It is only for testing.

Parameters:

$tmp=$statemachineone->checkConsistencethis(); 
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