102 lines
3.1 KiB
Python
102 lines
3.1 KiB
Python
# Copyright 2016 Hewlett Packard Enterprise Development Company LP
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#
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# 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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import abc
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import six
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class OffsetSpec(object):
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def __init__(self, app_name=None, topic=None, partition=None,
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from_offset=None, until_offset=None,
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batch_time=None, last_updated=None,
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revision=None):
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self.app_name = app_name
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self.topic = topic
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self.partition = partition
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self.from_offset = from_offset
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self.until_offset = until_offset
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self.batch_time = batch_time
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self.last_updated = last_updated
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self.revision = revision
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def get_app_name(self):
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return self.app_name
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def get_topic(self):
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return self.topic
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def get_partition(self):
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return self.partition
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def get_from_offset(self):
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return self.from_offset
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def get_until_offset(self):
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return self.until_offset
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def get_batch_time(self):
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return self.batch_time
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def get_last_updated(self):
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return self.last_updated
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def get_revision(self):
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return self.revision
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@six.add_metaclass(abc.ABCMeta)
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class OffsetSpecs(object):
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"""Class representing offset specs to help recover.
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From where processing should pick up in case of failure
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"""
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@abc.abstractmethod
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def add(self, app_name, topic, partition,
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from_offset, until_offset, batch_time_info):
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raise NotImplementedError(
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"Class %s doesn't implement add(self, app_name, topic, "
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"partition, from_offset, until_offset, batch_time,"
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"last_updated, revision)"
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% self.__class__.__name__)
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@abc.abstractmethod
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def add_all_offsets(self, app_name, offsets, batch_time_info):
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raise NotImplementedError(
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"Class %s doesn't implement add(self, app_name, topic, "
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"partition, from_offset, until_offset, batch_time,"
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"last_updated, revision)"
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% self.__class__.__name__)
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@abc.abstractmethod
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def get_kafka_offsets(self, app_name):
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raise NotImplementedError(
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"Class %s doesn't implement get_kafka_offsets()"
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% self.__class__.__name__)
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@abc.abstractmethod
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def delete_all_kafka_offsets(self, app_name):
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raise NotImplementedError(
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"Class %s doesn't implement delete_all_kafka_offsets()"
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% self.__class__.__name__)
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@abc.abstractmethod
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def get_most_recent_batch_time_from_offsets(self, app_name, topic):
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raise NotImplementedError(
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"Class %s doesn't implement "
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"get_most_recent_batch_time_from_offsets()"
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% self.__class__.__name__)
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