11c3310d11
This patch renames every package, file, match of Marconi in the codebase to Zaqar *except* for the .gitreview file, which will have to be updated *after* I8e587af588d9be0b5ebbab4b0f729b106a2ae537 lands. Implements blueprint: project-rename Change-Id: I0c82be81f74d022ab609eea8f40ac2c0635374b1
108 lines
3.8 KiB
Python
108 lines
3.8 KiB
Python
# Copyright (c) 2014 Rackspace, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from zaqarclient.queues.v1 import core
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from zaqarclient.queues.v1 import iterator as iterate
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from zaqarclient.queues.v1 import message
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class Claim(object):
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def __init__(self, queue, id=None,
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ttl=None, grace=None, limit=None):
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self._queue = queue
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self.id = id
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self._ttl = ttl
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self._grace = grace
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self._age = None
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self._limit = limit
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self._message_iter = None
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if id is None:
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self._create()
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def __repr__(self):
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return '<Claim id:{id} ttl:{ttl} age:{age}>'.format(id=self.id,
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ttl=self.ttl,
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age=self.age)
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def _get(self):
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req, trans = self._queue.client._request_and_transport()
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claim_res = core.claim_get(trans, req, self._queue._name,
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self.id)
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self._age = claim_res['age']
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self._ttl = claim_res['ttl']
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self._grace = claim_res.get('grace')
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msgs = claim_res.get('messages', [])
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self._message_iter = iterate._Iterator(self._queue.client,
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msgs,
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'messages',
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message.create_object(
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self._queue
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))
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def _create(self):
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req, trans = self._queue.client._request_and_transport()
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msgs = core.claim_create(trans, req,
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self._queue._name,
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ttl=self._ttl,
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grace=self._grace,
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limit=self._limit)
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# extract the id from the first message
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if msgs is not None:
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self.id = msgs[0]['href'].split('=')[-1]
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self._message_iter = iterate._Iterator(self._queue.client,
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msgs or [],
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'messages',
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message.create_object(
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self._queue
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))
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def __iter__(self):
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if self._message_iter is None:
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self._get()
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return self._message_iter
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@property
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def age(self):
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if self._age is None:
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self._get()
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return self._age
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@property
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def ttl(self):
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if self._ttl is None:
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self._get()
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return self._ttl
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def delete(self):
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req, trans = self._queue.client._request_and_transport()
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core.claim_delete(trans, req, self._queue._name, self.id)
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def update(self, ttl=None, grace=None):
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req, trans = self._queue.client._request_and_transport()
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kwargs = {}
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if ttl is not None:
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kwargs['ttl'] = ttl
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if grace is not None:
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kwargs['grace'] = grace
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res = core.claim_update(trans, req, self._queue._name, self.id,
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**kwargs)
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# if the update succeeds, update our attributes.
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if ttl is not None:
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self._ttl = ttl
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if grace is not None:
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self._grace = grace
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return res
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