new objects BatchSource and BatchDecomposition

dream/simulation/BatchSource.py

+# ===========================================================================
+# Copyright 2013 University of Limerick
+#
+# This file is part of DREAM.
+#
+# DREAM is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# DREAM 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 Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with DREAM.  If not, see <http://www.gnu.org/licenses/>.
+# ===========================================================================
+'''
+Created on 22 Oct 2013
+
+@author: George
+'''
+'''
+models the source object that generates the Batches Entities
+'''
+from Source import Source
+from Batch import Batch
+from Globals import G
+from SimPy.Simulation import Process
+from RandomNumberGenerator import RandomNumberGenerator
+
+class BatchSource(Source):
+    def __init__(self, id, name, distribution='Fixed', mean=1, item=Batch, batchNumberOfUnits = 1):
+        Source.__init__(self, id=id, name=name, distribution=distribution, mean=mean, item=item)
+#         Process.__init__(self)
+#         # general properties
+#         self.id=id   
+#         self.objName=name   
+#         self.distType=distribution                      # label that sets the distribution type
+#         # properties used for statistics
+#         self.totalInterArrivalTime=0                    # the total interarrival time 
+#         self.numberOfArrivals=0                         # the number of entities that were created
+#         # list containing objects that follow in the routing 
+#         self.next=[]                                    # list with the next objects in the flow
+#         self.nextIds=[]                                 # list with the ids of the next objects in the flow
+#         self.previousIds=[]                             # list with the ids of the previous objects in the flow. 
+#                                                         # For the source it is always empty!
+#         self.type="Source"                              #String that shows the type of object
+#         self.rng=RandomNumberGenerator(self, self.distType)
+#         self.rng.avg=mean
+#         self.item=item 
+#         
+        self.numberOfUnits = batchNumberOfUnits
+        
+        
+    def createEntity(self):
+        # return the newly created Entity
+        return self.item(id = self.item.type+str(G.numberOfEntities), \
+                         name = self.item.type+str(self.numberOfArrivals), numberOfUnits=self.numberOfUnits)
+        
+        
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