@Override
public void recordAfterEvent(Sim sim, Event event) {
if (trace) {
logger.trace("Recording state of machine at time " + sim.getTime());
}
for (Item item : sim.getMachine()) {
Object[] row = getRow(item, sim);
record(row);
}
}
private Object[] getRow(Item item, Sim sim) {
Object[] row = new Object[7];
row[0] = sim.getId();
row[1] = sim.getTime();
row[2] = sim.getMachine().getSetup().getId();
row[3] = item.getId();
row[4] = item.getSurplus();
row[5] = item.getCumulativeProduction();
row[6] = item.getCumulativeDemand();
return row;
}
@Override
public void recordEndOfSim(Sim sim) {
// If highFreq is turned off, record the last N points stored for that sim instance
if (!sim.getParams().isRecordHighFreq()) {
for (int i = 0; i < MIN_NUM_POINTS_PER_ITEM; i++) {
for (Item item : sim.getMachine()) {
Map<Item, Queue<Object[]>> lastNRowsForSim = lastNRows.get(sim);
Queue<Object[]> queue = lastNRowsForSim.get(item);
Object[] row = queue.poll();
record(row);
}
}
}
// Remove the sim instance from the map to preserve memory
lastNRows.remove(sim);
}
@Override
public void updateAfterEvent(Sim sim, Event event) {
for (Item item : sim.getMachine()) {
Object[] row = getRow(item, sim);
// Use an evicting queue so that we maintain a fixed number of
// points per item
if (!lastNRows.containsKey(sim)) {
lastNRows.put(sim, new HashMap<Item, Queue<Object[]>>());
}
Map<Item, Queue<Object[]>> lastNRowsForSim = lastNRows.get(sim);
if (!lastNRowsForSim.containsKey(item)) {
lastNRowsForSim.put(item, EvictingQueue.<Object[]>create(MIN_NUM_POINTS_PER_ITEM));
}
lastNRowsForSim.get(item).add(row);
}
}
