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#!/usr/bin/env python
# encoding: utf-8
"""
_Segment.py
This contains all the pure-python code for segments
Created by Graham Dennis on 2007-10-18.
Copyright (c) 2007-2012, Graham Dennis
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, see <http://www.gnu.org/licenses/>.
"""
from xpdeint.ScriptElement import ScriptElement
from xpdeint.Function import Function
from xpdeint.Utilities import lazy_property
from xpdeint.CallOnceGuards import callOncePerInstanceGuard
class _Segment (ScriptElement):
def __init__(self, *args, **KWs):
if not 'parent' in KWs: KWs['parent'] = self.simulation
ScriptElement.__init__(self, *args, **KWs)
self.segmentNumber = len(filter(lambda x: isinstance(x, _Segment), self.getVar('templates'))) - 1
self._childSegments = []
self.parentSegment = None
self.localCycles = 1
self.name = 'segment' + str(self.segmentNumber)
self._id = self.name # Override the id as the segments have unique numbering
self.functions['segment'] = Function(name = '_segment' + str(self.segmentNumber),
args = [],
implementation = self.segmentFunctionBody)
@property
def childSegments(self):
return self._childSegments[:]
@lazy_property
def totalCycles(self):
currSegment = self
totalCycles = 1
while currSegment:
totalCycles *= currSegment.localCycles
currSegment = currSegment.parentSegment
return totalCycles
def addSegment(self, seg):
self._childSegments.append(seg)
seg.parentSegment = self
@callOncePerInstanceGuard
def allocate(self): return super(_Segment, self).allocate()
@callOncePerInstanceGuard
def free(self): return super(_Segment, self).free()
@callOncePerInstanceGuard
def initialise(self): return super(_Segment, self).initialise()
@callOncePerInstanceGuard
def finalise(self): return super(_Segment, self).finalise()
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