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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 CopyToTarget import CopyToTarget
from zLOG import LOG
class SplitAndDefer(CopyToTarget):
"""
Split and defer simulation movement.
Many 'deliverable movements' are created in the Simulation and
may need to be delivered later. Solver accumulates such movements
in the solving process and creates a new delivery
This only works when some movements can not be delivered
(excessive qty is not covered)
"""
def solve(self, movement):
"""
Split a movement and accumulate
"""
movement_quantity = movement.getQuantity()
delivery_quantity = movement.getDeliveryQuantity()
new_movement_quantity = delivery_quantity * movement.getDeliveryRatio()
if movement_quantity > new_movement_quantity:
split_index = 0
new_id = "%s_split_%s" % (movement.getId(), split_index)
while getattr(movement.aq_parent, new_id, None) is not None:
split_index += 1
new_id = "%s_split_%s" % (movement.getId(), split_index)
# Adopt different dates for defferred movements
new_movement = movement.aq_parent.newContent(
portal_type="Simulation Movement",
id=new_id,
efficiency=movement.getEfficiency(),
start_date=self.start_date,
stop_date=self.stop_date,
# XXX resource
order=movement.getOrder(),
deliverable=movement.isDeliverable(),
quantity=movement_quantity-new_movement_quantity,
source = movement.getSource(),
destination = movement.getDestination(),
source_section = movement.getSourceSection(),
destination_section = movement.getDestinationSection(),
activate_kw=self.activate_kw,
**self.additional_parameters
)
new_movement.activate(**self.additional_parameters).expand()
movement._v_activate_kw = self.activate_kw
movement.activate(**self.additional_parameters).expand()
CopyToTarget.solve(self, movement)