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Add job queue priority support

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This commit is contained in:
Roberto Rosario
2012-08-05 22:39:44 -04:00
parent 7c879a6546
commit a97a048d9c
5 changed files with 84 additions and 8 deletions
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6
apps/job_processor/models.py
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@@ -23,7 +23,8 @@ from .literals import (JOB_STATE_CHOICES, JOB_STATE_PENDING,
JOB_STATE_PROCESSING, JOB_STATE_ERROR, WORKER_STATE_CHOICES,
WORKER_STATE_RUNNING, DEFAULT_JOB_QUEUE_POLL_INTERVAL,
JOB_QUEUE_STATE_STOPPED, JOB_QUEUE_STATE_STARTED,
JOB_QUEUE_STATE_CHOICES, DEFAULT_DEAD_JOB_REMOVAL_INTERVAL)
JOB_QUEUE_STATE_CHOICES, DEFAULT_DEAD_JOB_REMOVAL_INTERVAL,
DEFAULT_JOB_QUEUE_PRIORITY)
from .exceptions import (JobQueuePushError, JobQueueNoPendingJobs,
JobQueueAlreadyStarted, JobQueueAlreadyStopped)
@@ -85,7 +86,6 @@ class JobQueueManager(models.Manager):
class JobQueue(models.Model):
# TODO: support for stopping and starting job queues
# Internal name
name = models.CharField(max_length=32, verbose_name=_(u'name'), unique=True)
unique_jobs = models.BooleanField(verbose_name=_(u'unique jobs'), default=True)
@@ -93,6 +93,7 @@ class JobQueue(models.Model):
choices=JOB_QUEUE_STATE_CHOICES,
default=JOB_QUEUE_STATE_STARTED,
verbose_name=_(u'state'))
priority = models.IntegerField(default=DEFAULT_JOB_QUEUE_PRIORITY, verbose_name=_(u'priority'))
objects = JobQueueManager()
@@ -168,6 +169,7 @@ class JobQueue(models.Model):
class Meta:
verbose_name = _(u'job queue')
verbose_name_plural = _(u'job queues')
ordering = ('priority',)
class JobQueueItemManager(models.Manager):