67 lines
2.3 KiB
Python
67 lines
2.3 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Manage all time formats.
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"""
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from karbor import exception
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from karbor.i18n import _
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from karbor.services.operationengine.engine.triggers.timetrigger import\
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timeformats
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class TimeFormatManager(object):
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"""Manage all time format classes"""
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def __init__(self):
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super(TimeFormatManager, self).__init__()
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all_cls = timeformats.all_time_formats()
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self._timeformat_cls_map = {cls.FORMAT_TYPE:
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cls for cls in all_cls}
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def _get_timeformat_cls(self, format_type):
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if format_type not in self._timeformat_cls_map:
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msg = (_("Invalid trigger time format type:%s") % format_type)
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raise exception.InvalidInput(msg)
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return self._timeformat_cls_map[format_type]
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def check_time_format(self, format_type, pattern):
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"""Check time format
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:param format_type: the type of time format, like crontab
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:param pattern: The pattern of the time
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"""
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cls = self._get_timeformat_cls(format_type)
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cls.check_time_format(pattern)
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def compute_next_time(self, format_type, pattern, start_time):
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"""Compute next time
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:param format_type: the type of time format, like crontab
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:param pattern: The pattern of the time
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:param start_time: the start time for computing
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"""
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cls = self._get_timeformat_cls(format_type)
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return cls.compute_next_time(pattern, start_time)
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def get_interval(self, format_type, pattern):
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"""Get interval of two adjacent time points
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:param format_type: the type of time format, like crontab
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:param pattern: The pattern of the time
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"""
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cls = self._get_timeformat_cls(format_type)
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return cls.get_interval(pattern)
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