f4cc0c132c
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@112 fd906abe-77d9-0310-91a1-e0d9ade77398
75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
#
|
|
# Copyright (c) 2004 Helmut Merz helmutm@cy55.de
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
#
|
|
|
|
"""
|
|
Definition of the Resource class.
|
|
|
|
$Id$
|
|
"""
|
|
|
|
from zope.interface import implements
|
|
from zope.app.container.ordered import OrderedContainer
|
|
from zope.app import zapi
|
|
|
|
from interfaces import IResource
|
|
|
|
|
|
class Resource(OrderedContainer):
|
|
|
|
implements(IResource)
|
|
|
|
title = u''
|
|
|
|
|
|
def __init__(self):
|
|
OrderedContainer.__init__(self)
|
|
self._allocations = {}
|
|
|
|
|
|
def getTasksAllocatedTo(self, allocTypes=None, taskTypes=None):
|
|
from sets import Set
|
|
allocs = self._allocations
|
|
res = Set()
|
|
for at in allocs.keys():
|
|
if allocTypes is None or at in allocTypes:
|
|
res.union_update(allocs[at])
|
|
return tuple(res)
|
|
|
|
|
|
# Helper methods:
|
|
|
|
def _addAllocation(self, task, allocType):
|
|
#called by Task.allocateResource
|
|
tList = self._allocations.get(allocType, [])
|
|
tList.append(task)
|
|
self._allocations[allocType] = tList
|
|
|
|
def _removeAllocations(self, task, allocTypes):
|
|
#called by Task.deallocateResource
|
|
allocs = self._allocations
|
|
for at in allocTypes or allocs.keys():
|
|
if task in allocs[at]:
|
|
allocs[at].remove(task)
|
|
|
|
def _createResourceName(self, container=None):
|
|
prefix = 'rsc'
|
|
container = container or zapi.getParent(self)
|
|
last = max([ int(n[len(prefix):]) for n in container.keys() ] or [0])
|
|
return prefix + str(last+1)
|
|
|
|
|