{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# PythonPDEVS examples"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Import PythonPDEVS modelling elements for *AtomicDEVS* and *CoupledDEVS* models.\n",
    "Also import the concept of *INFINITY* to be used."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "from pypdevs.DEVS import AtomicDEVS, CoupledDEVS\n",
    "from pypdevs.infinity import INFINITY"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Create some simple *AtomicDEVS* models for a *Generator* and a *Queue*."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "class Generator(AtomicDEVS):\n",
    "    def __init__(self):\n",
    "        AtomicDEVS.__init__(self, \"Generator\")\n",
    "        self.state = 0\n",
    "        self.outport = self.addOutPort(\"outport\")\n",
    "\n",
    "    def timeAdvance(self):\n",
    "        return 1.0\n",
    "\n",
    "    def outputFnc(self):\n",
    "        # Our message is simply the integer 5, though this could be anything\n",
    "        return {self.outport: 5}\n",
    "\n",
    "    def intTransition(self):\n",
    "        return self.state + 1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "class Queue(AtomicDEVS):\n",
    "    def __init__(self):\n",
    "        AtomicDEVS.__init__(self, \"Queue\")\n",
    "        self.state = None\n",
    "        self.processing_time = 1.0\n",
    "        self.inport = self.addInPort(\"input\")\n",
    "        self.outport = self.addOutPort(\"output\")\n",
    "\n",
    "    def timeAdvance(self):\n",
    "        if self.state is None:\n",
    "            return INFINITY\n",
    "        else:\n",
    "            return self.processing_time\n",
    "\n",
    "    def outputFnc(self):\n",
    "        return {self.outport: self.state}\n",
    "\n",
    "    def extTransition(self, inputs):\n",
    "        self.state = inputs[self.inport]\n",
    "        return self.state\n",
    "\n",
    "    def intTransition(self):\n",
    "        return None"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Add the Coupled DEVS model for a simple *CoupledQueue*."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "class CQueue(CoupledDEVS):\n",
    "    def __init__(self):\n",
    "        CoupledDEVS.__init__(self, \"CQueue\")\n",
    "        self.generator = self.addSubModel(Generator())\n",
    "        self.queue = self.addSubModel(Queue())\n",
    "        self.connectPorts(self.generator.outport, self.queue.inport)\n",
    "    \n",
    "    def select(self, imm):\n",
    "        return self.queue"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Finally run the simulation by setting up an experiment file as follows.\n",
    "First, however, we have to include the simulator concept."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "from pypdevs.simulator import Simulator"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "ename": "TypeError",
     "evalue": "unorderable types: Queue() < Generator()",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
      "\u001b[0;32m<ipython-input-6-d8104c9df385>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      4\u001b[0m \u001b[0msim\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msetClassicDEVS\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      5\u001b[0m \u001b[0msim\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msetTerminationTime\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;36m10.0\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 6\u001b[0;31m \u001b[0msim\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msimulate\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[0;32m~/.local/lib64/python3.5/site-packages/pypdevs/simulator.py\u001b[0m in \u001b[0;36msimulate\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m    612\u001b[0m             \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mcheckpoint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    613\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 614\u001b[0;31m         \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mreal_simulate\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    615\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    616\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0mremoveTracers\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m~/.local/lib64/python3.5/site-packages/pypdevs/simulator.py\u001b[0m in \u001b[0;36mreal_simulate\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m    729\u001b[0m                 \u001b[0;31m# Simply do a blocking call, thus preventing the finish ring algorithm\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    730\u001b[0m                 \u001b[0;31m#begin = time.time()\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 731\u001b[0;31m                 \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mcontroller\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mgetProxy\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mlocations\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m0\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msimulate_sync\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    732\u001b[0m                 \u001b[0;31m#print(time.time() - begin)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    733\u001b[0m             \u001b[0;32melse\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m~/.local/lib64/python3.5/site-packages/pypdevs/MPIRedirect.py\u001b[0m in \u001b[0;36mlocalcall\u001b[0;34m(*args, **kwargs)\u001b[0m\n\u001b[1;32m    224\u001b[0m             \u001b[0mA\u001b[0m \u001b[0mcall\u001b[0m \u001b[0mto\u001b[0m \u001b[0ma\u001b[0m \u001b[0mlocal\u001b[0m \u001b[0mlocation\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    225\u001b[0m             \"\"\"\n\u001b[0;32m--> 226\u001b[0;31m             \u001b[0;32mreturn\u001b[0m \u001b[0mLocalRedirect\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mlocalCall\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mname\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m*\u001b[0m\u001b[0margs\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m**\u001b[0m\u001b[0mkwargs\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    227\u001b[0m         \u001b[0;32mreturn\u001b[0m \u001b[0mlocalcall\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    228\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m~/.local/lib64/python3.5/site-packages/pypdevs/MPIRedirect.py\u001b[0m in \u001b[0;36mlocalCall\u001b[0;34m(self, method, *args, **kwargs)\u001b[0m\n\u001b[1;32m    200\u001b[0m             \u001b[0mthreading\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mThread\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mtarget\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mfunc\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0margs\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0margs\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mkwargs\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mkwargs\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mstart\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    201\u001b[0m         \u001b[0;32melse\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 202\u001b[0;31m             \u001b[0;32mreturn\u001b[0m \u001b[0mfunc\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m*\u001b[0m\u001b[0margs\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m**\u001b[0m\u001b[0mkwargs\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    203\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    204\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0m__init__\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mserver\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m~/.local/lib64/python3.5/site-packages/pypdevs/controller.py\u001b[0m in \u001b[0;36msimulate_sync\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m    172\u001b[0m         \u001b[0mSynchronous\u001b[0m \u001b[0msimulation\u001b[0m \u001b[0mcall\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0midentical\u001b[0m \u001b[0mto\u001b[0m \u001b[0mthe\u001b[0m \u001b[0mnormal\u001b[0m \u001b[0mcall\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;32mwith\u001b[0m \u001b[0mthe\u001b[0m \u001b[0mexception\u001b[0m \u001b[0mthat\u001b[0m \u001b[0mit\u001b[0m \u001b[0mwill\u001b[0m \u001b[0mbe\u001b[0m \u001b[0ma\u001b[0m \u001b[0mblocking\u001b[0m \u001b[0mcall\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0monly\u001b[0m \u001b[0;34m\"simulate\"\u001b[0m \u001b[0;32mis\u001b[0m \u001b[0mmarked\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0moneway\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    173\u001b[0m         \"\"\"\n\u001b[0;32m--> 174\u001b[0;31m         \u001b[0mBaseSimulator\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msimulate_sync\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    175\u001b[0m         \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mno_finish_ring\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0macquire\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    176\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m~/.local/lib64/python3.5/site-packages/pypdevs/basesimulator.py\u001b[0m in \u001b[0;36msimulate_sync\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m   1299\u001b[0m         \u001b[0mA\u001b[0m \u001b[0msmall\u001b[0m \u001b[0mwrapper\u001b[0m \u001b[0maround\u001b[0m \u001b[0mthe\u001b[0m \u001b[0msimulate\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0mfunction\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mthough\u001b[0m \u001b[0;32mwith\u001b[0m \u001b[0ma\u001b[0m \u001b[0mdifferent\u001b[0m \u001b[0mname\u001b[0m \u001b[0mto\u001b[0m \u001b[0mallow\u001b[0m \u001b[0ma\u001b[0m \u001b[0mmuch\u001b[0m \u001b[0msimpler\u001b[0m \u001b[0mMPI\u001b[0m \u001b[0mone\u001b[0m \u001b[0mway\u001b[0m \u001b[0mcheck\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1300\u001b[0m         \"\"\"\n\u001b[0;32m-> 1301\u001b[0;31m         \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msimulate\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m   1302\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1303\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0msimulate\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m~/.local/lib64/python3.5/site-packages/pypdevs/controller.py\u001b[0m in \u001b[0;36msimulate\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m    185\u001b[0m             \u001b[0mvisualizeLocations\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    186\u001b[0m         \u001b[0;31m# Call superclass (the actual simulation)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 187\u001b[0;31m         \u001b[0mBaseSimulator\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msimulate\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    188\u001b[0m         \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mprev_termination_time\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mtermination_time\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m0\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    189\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m~/.local/lib64/python3.5/site-packages/pypdevs/basesimulator.py\u001b[0m in \u001b[0;36msimulate\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m   1328\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1329\u001b[0m         \u001b[0;32mwhile\u001b[0m \u001b[0;36m1\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 1330\u001b[0;31m             \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mrunsim\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m   1331\u001b[0m             \u001b[0;32mif\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mirreversible\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1332\u001b[0m                 \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mshould_run\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mclear\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m~/.local/lib64/python3.5/site-packages/pypdevs/basesimulator.py\u001b[0m in \u001b[0;36mrunsim\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m   1168\u001b[0m                 \u001b[0;31m# Don't interrupt the output generation, as these nodes WILL be marked as 'sent'\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1169\u001b[0m                 \u001b[0;32mwith\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mVlock\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 1170\u001b[0;31m                     \u001b[0mreschedule\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mcoupledOutputGeneration\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mcurrent_clock\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m   1171\u001b[0m                 \u001b[0;32mtry\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1172\u001b[0m                     \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mmassAtomicTransitions\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mtransitioning\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mcurrent_clock\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m~/.local/lib64/python3.5/site-packages/pypdevs/solver.py\u001b[0m in \u001b[0;36mcoupledOutputGenerationClassic\u001b[0;34m(self, time)\u001b[0m\n\u001b[1;32m    256\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0mlen\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mimminent\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;34m>\u001b[0m \u001b[0;36m1\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    257\u001b[0m             \u001b[0;31m# Perform all selects\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 258\u001b[0;31m             \u001b[0mimminent\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msort\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    259\u001b[0m             \u001b[0mpending\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mimminent\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    260\u001b[0m             \u001b[0mlevel\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;36m1\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;31mTypeError\u001b[0m: unorderable types: Queue() < Generator()"
     ]
    }
   ],
   "source": [
    "model = CQueue()\n",
    "sim = Simulator(model)\n",
    "# Required to set Classic DEVS, as we simulate in Parallel DEVS otherwise\n",
    "sim.setClassicDEVS()\n",
    "sim.setTerminationTime(10.0)\n",
    "sim.simulate()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Simulation is now done, and the results can be seen in the changed states of the model."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "model.generator.state"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Another option is to use verbose simulation, as follows."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "model = CQueue()\n",
    "sim = Simulator(model)\n",
    "sim.setVerbose()\n",
    "# Required to set Classic DEVS, as we simulate in Parallel DEVS otherwise\n",
    "sim.setClassicDEVS()\n",
    "sim.setTerminationTime(10.0)\n",
    "sim.simulate()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Apart from Classic DEVS simulation, Parallel DEVS simulation is also possible.bag\n",
    "For this, we add a slightly altered version of the models, to comply with bag semantics."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "class Generator(AtomicDEVS):\n",
    "    def __init__(self):\n",
    "        AtomicDEVS.__init__(self, \"Generator\")\n",
    "        self.state = 0\n",
    "        self.outport = self.addOutPort(\"outport\")\n",
    "\n",
    "    def timeAdvance(self):\n",
    "        return 1.0\n",
    "\n",
    "    def outputFnc(self):\n",
    "        # Our message is simply the integer 5, though this could be anything\n",
    "        return {self.outport: [5]}\n",
    "\n",
    "    def intTransition(self):\n",
    "        return self.state + 1\n",
    "    \n",
    "class Queue(AtomicDEVS):\n",
    "    def __init__(self):\n",
    "        AtomicDEVS.__init__(self, \"Queue\")\n",
    "        self.state = None\n",
    "        self.processing_time = 1.0\n",
    "        self.inport = self.addInPort(\"input\")\n",
    "        self.outport = self.addOutPort(\"output\")\n",
    "\n",
    "    def timeAdvance(self):\n",
    "        if self.state is None:\n",
    "            return INFINITY\n",
    "        else:\n",
    "            return self.processing_time\n",
    "\n",
    "    def outputFnc(self):\n",
    "        return {self.outport: [self.state]}\n",
    "\n",
    "    def extTransition(self, inputs):\n",
    "        self.state = inputs[self.inport][0]\n",
    "        return self.state\n",
    "\n",
    "    def intTransition(self):\n",
    "        self.state = None\n",
    "        return self.state"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "And similar to before, we start the experiment, now not using the *setClassicDEVS* option."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "model = CQueue()\n",
    "sim = Simulator(model)\n",
    "sim.setVerbose()\n",
    "sim.setTerminationTime(10.0)\n",
    "sim.simulate()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "A termination condition can also be used."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "def termFunc(clock, model):\n",
    "    if model.generator.state > 5:\n",
    "        # The generator has generated more than 5 events\n",
    "        # So stop\n",
    "        return True\n",
    "    elif clock[0] > 10:\n",
    "        # Or if the clock has progressed past simulation time 10\n",
    "        return True\n",
    "    else:\n",
    "        # Otherwise, we simply continue\n",
    "        return False"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "model = CQueue()\n",
    "sim = Simulator(model)\n",
    "sim.setVerbose()\n",
    "sim.setTerminationCondition(termFunc)\n",
    "sim.simulate()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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