67 lines
2.5 KiB
Python
67 lines
2.5 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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from __future__ import print_function
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from __future__ import division
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from __future__ import absolute_import
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from six.moves import range
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from congress.datasources import datasource_driver
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def d6service(name, keys, inbox, datapath, args):
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"""Create a dataservice instance.
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This method is called by d6cage to create a dataservice
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instance. There are a couple of parameters we found useful
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to add to that call, so we included them here instead of
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modifying d6cage (and all the d6cage.createservice calls).
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"""
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return BenchmarkDriver(name, keys, inbox, datapath, args)
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class BenchmarkDriver(datasource_driver.PollingDataSourceDriver):
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BENCHTABLE = 'benchtable'
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value_trans = {'translation-type': 'VALUE'}
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translator = {
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'translation-type': 'HDICT',
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'table-name': BENCHTABLE,
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'selector-type': 'DICT_SELECTOR',
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'field-translators':
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({'fieldname': 'field1', 'translator': value_trans},
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{'fieldname': 'field2', 'translator': value_trans})}
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TRANSLATORS = [translator]
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def __init__(self, name='', keys='', inbox=None, datapath=None, args=None):
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super(BenchmarkDriver, self).__init__(name, keys,
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inbox, datapath, args)
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# used by update_from_datasources to manufacture data. Default small.
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self.datarows = 10
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self._init_end_start_poll()
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def update_from_datasource(self):
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self.state = {}
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# TODO(sh): using self.convert_objs() takes about 10x the time. Needs
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# optimization efforts.
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row_data = tuple((self.BENCHTABLE, ('val1_%d' % i, 'val2_%d' % i))
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for i in range(self.datarows))
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for table, row in row_data:
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if table not in self.state:
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self.state[table] = set()
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self.state[table].add(row)
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def get_credentials(self, *args, **kwargs):
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return {}
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