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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from zuul import model
from zuul.manager.shared import SharedQueuePipelineManager
class SerialPipelineManager(SharedQueuePipelineManager):
"""PipelineManager with shared queues and a window of 1"""
changes_merge = False
type = 'serial'
def constructChangeQueue(self, queue_name):
return model.ChangeQueue.new(
self.pipeline.manager.current_context,
pipeline=self.pipeline,
window=1,
window_floor=1,
window_increase_type='none',
window_decrease_type='none',
name=queue_name)
def dequeueItem(self, item):
super(SerialPipelineManager, self).dequeueItem(item)
# If this was a dynamic queue from a speculative change,
# remove the queue (if empty)
if item.queue.dynamic:
if not item.queue.queue:
self.pipeline.removeQueue(item.queue)
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