9b690b62b3
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@109 fd906abe-77d9-0310-91a1-e0d9ade77398
75 lines
No EOL
2.2 KiB
Python
75 lines
No EOL
2.2 KiB
Python
#
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# Copyright (c) 2004 Helmut Merz helmutm@cy55.de
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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 2 of the License, or
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# (at your option) any later version.
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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, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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Definition of the Resource class.
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$Id$
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"""
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from zope.interface import implements
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from zope.app.container.ordered import OrderedContainer
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from zope.app import zapi
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from interfaces import IResource
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class Resource(OrderedContainer):
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implements(IResource)
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title = u''
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def __init__(self):
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OrderedContainer.__init__(self)
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self._allocations = {}
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def getTasksAllocatedTo(self, allocTypes=None, taskTypes=None):
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from sets import Set
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allocs = self._allocations
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res = Set()
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for at in allocs.keys():
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if allocTypes is None or at in allocTypes:
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res.union_update(allocs[at])
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return tuple(res)
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# Helper methods:
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def _addAllocation(self, task, allocType):
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#called by Task.allocateResource
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tList = self._allocations.get(allocType, [])
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tList.append(task)
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self._allocations[allocType] = tList
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def _removeAllocations(self, task, allocTypes):
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#called by Task.deallocateResource
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allocs = self._allocations
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for at in allocTypes or allocs.keys():
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if task in allocs[at]:
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allocs[at].remove(task)
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def _createResourceName(self, container=None):
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prefix = 'rsc'
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container = container or zapi.getParent(self)
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last = max([ int(n[len(prefix):]) for n in container.keys() ] or [1])
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return prefix + str(last+1)
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