54 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			54 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
#-*- coding:utf-8 -*-
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#
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# Copyright (C) 2018 sthoo <sth201807@gmail.com>
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#
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# Support: Report an issue at https://github.com/sth2018/FastWordQuery/issues
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# any later version; http://www.gnu.org/copyleft/gpl.html.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from ..utils import Empty, Queue
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class ServicePool(object):
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    """
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    Service instance pool
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    """
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    def __init__(self, manager):
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        self.pools = {}
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        self.manager = manager
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    def get(self, unique):
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        queue = self.pools.get(unique, None)
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        if queue:
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            try:
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                return queue.get(True, timeout=0.1)
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            except Empty:
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                pass
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        return self.manager.get_service(unique)
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    def put(self, service):
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        if service is None:
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            return
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        unique = service.unique
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        queue = self.pools.get(unique, None)
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        if queue == None:
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            queue = Queue()
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            self.pools[unique] = queue
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        queue.put(service)
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    def clean(self):
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        self.pools = {}
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