############################################################################## # # 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, simulation_movement): """ Split a simulation movement and accumulate """ movement_quantity = simulation_movement.getQuantity() delivery_quantity = simulation_movement.getDeliveryQuantity() new_movement_quantity = delivery_quantity * simulation_movement.getDeliveryRatio() if movement_quantity > new_movement_quantity: split_index = 0 new_id = "%s_split_%s" % (simulation_movement.getId(), split_index) while getattr(simulation_movement.getParentValue(), new_id, None) is not None: split_index += 1 new_id = "%s_split_%s" % (simulation_movement.getId(), split_index) # Adopt different dates for defferred movements new_movement = simulation_movement.getParentValue().newContent( portal_type="Simulation Movement", id=new_id, efficiency=simulation_movement.getEfficiency(), start_date=self.start_date, stop_date=self.stop_date, order=simulation_movement.getOrder(), deliverable=simulation_movement.isDeliverable(), quantity=movement_quantity-new_movement_quantity, price = simulation_movement.getPrice(), source = simulation_movement.getSource(), destination = simulation_movement.getDestination(), source_section = simulation_movement.getSourceSection(), resource = simulation_movement.getResource(), destination_section = simulation_movement.getDestinationSection(), activate_kw=self.activate_kw, **self.additional_parameters ) new_movement.activate(**self.additional_parameters).expand() # adopt new quantity on original simulation movement simulation_movement.edit(quantity=new_movement_quantity) simulation_movement._v_activate_kw = self.activate_kw simulation_movement.activate(**self.additional_parameters).expand() # SplitAndDefer solves the divergence at the current level, no need to # backtrack.