7655ae02ce
Instead of always using our custom future wait functionality, only use that functionality if there are green futures and in other cases just use the future wait() function instead. Change-Id: I1eadcf53eb4b5f47b9543965610bfe04fec52e70
42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2013 Yahoo! Inc. All Rights Reserved.
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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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from concurrent import futures
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from taskflow.utils import eventlet_utils as eu
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def wait_for_any(fs, timeout=None):
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"""Wait for one of the futures to complete.
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Works correctly with both green and non-green futures.
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Returns pair (done, not_done).
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"""
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any_green = any(isinstance(f, eu.GreenFuture) for f in fs)
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if any_green:
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return eu.wait_for_any(fs, timeout=timeout)
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else:
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return tuple(futures.wait(fs, timeout=timeout,
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return_when=futures.FIRST_COMPLETED))
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def make_completed_future(result):
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"""Make with completed with given result."""
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future = futures.Future()
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future.set_result(result)
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return future
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