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##############################################################################
#
# Copyright (c) 2002, 2005 Nexedi SARL and Contributors. All Rights Reserved.
# Jean-Paul Smets-Solanes <jp@nexedi.com>
# Romain Courteaud <romain@nexedi.com>
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# 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.
#
##############################################################################
from TargetSolver import TargetSolver
class CopyToTarget(TargetSolver):
"""
Copy values simulation movement as target. This is
only acceptable for root movements. The meaning of
this solver of other movements is far from certain.
"""
def _generateValueDeltaDict(self, simulation_movement):
"""
Get interesting values
XXX: better description is possible. But is it needed ?
"""
# Get interesting value
old_quantity = simulation_movement.getQuantity()
old_start_date = simulation_movement.getStartDate()
old_stop_date = simulation_movement.getStopDate()
new_quantity = simulation_movement.getDeliveryQuantity() * \
simulation_movement.getDeliveryRatio()
new_start_date = simulation_movement.getDeliveryStartDateList()[0]
new_stop_date = simulation_movement.getDeliveryStopDateList()[0]
# Calculate delta
quantity_ratio = 0
if old_quantity not in (None,0.0): # XXX: What if quantity happens to be an integer ?
quantity_ratio = new_quantity / old_quantity
start_date_delta = 0
stop_date_delta = 0
if new_start_date is not None and old_start_date is not None:
start_date_delta = new_start_date - old_start_date
if new_stop_date is not None and old_stop_date is not None:
stop_date_delta = new_stop_date - old_stop_date
return {
'quantity_ratio': quantity_ratio,
'start_date_delta': start_date_delta,
'stop_date_delta': stop_date_delta,
}
def solve(self, simulation_movement):
"""
Adopt values as new target
"""
value_dict = self._generateValueDeltaDict(simulation_movement)
# Modify recursively simulation movement
self._recursivelySolve(simulation_movement, **value_dict)
def _generateValueDict(self, simulation_movement, quantity_ratio=1,
start_date_delta=0, stop_date_delta=0,
**value_delta_dict):
"""
Generate values to save on simulation movement.
"""
value_dict = {}
# Modify quantity, start_date, stop_date
start_date = simulation_movement.getStartDate()
if start_date is not None:
value_dict['start_date'] = start_date + start_date_delta
stop_date = simulation_movement.getStopDate()
if stop_date is not None:
value_dict['stop_date'] = stop_date + stop_date_delta
value_dict['quantity'] = simulation_movement.getQuantity() * quantity_ratio
return value_dict
def _getParentParameters(self, simulation_movement,
**value_delta_dict):
"""
Get parent movement, and its value delta dict.
"""
applied_rule = simulation_movement.getParentValue()
parent_movement = applied_rule.getParentValue()
if parent_movement.getPortalType() != "Simulation Movement":
parent_movement = None
return parent_movement, value_delta_dict
def _recursivelySolve(self, simulation_movement, is_last_movement=1, **value_delta_dict):
"""
Update value of the current simulation movement, and update
his parent movement.
"""
value_dict = self._generateValueDict(simulation_movement, **value_delta_dict)
simulation_movement.edit(**value_dict)
if is_last_movement:
delivery_quantity = simulation_movement.getDeliveryValue().getQuantity()
simulation_movement.setDeliveryError(delivery_quantity - value_dict['quantity'])
parent_movement, parent_value_delta_dict = \
self._getParentParameters(simulation_movement, **value_delta_dict)
if parent_movement is not None:
# Modify the parent movement
self._recursivelySolve(parent_movement, is_last_movement=0, **parent_value_delta_dict)