/** Find an initial solution */
public void initialization() {
// ----------------------------------------
// Setup the initialization
setInit(
(TRSPConstructiveHeuristic)
getParams()
.newInstance(
RUN_INIT_HEUR,
getInstance(),
getParams(),
getTourCtrHandler(),
getParams().newInitCostDelegate()));
// ----------------------------------------
mInitTimer.reset();
mInitTimer.start();
if (getParams().get(TRSPGlobalParameters.ALNS_PARALLEL)) {
// TODO parallelize this
int size =
Math.min(
getParams().get(TRSPGlobalParameters.ALNS_PALNS_POOL_SIZE),
getParams().get(TRSPGlobalParameters.THREAD_COUNT));
mInitPool = new ArrayList<TRSPSolution>(size);
while (mInitPool.size() < size) {
getInit().call();
mInitPool.add(getInit().getSolution());
}
Collections.sort(mInitPool, new SolutionComparator<>(OptimizationSense.MINIMIZATION));
mInitSol = mInitPool.get(mInitPool.size() - 1).clone();
} else {
getInit().call();
setInitSol(getInit().getSolution());
}
mInitTimer.stop();
getInitSol().getCostDelegate().unsetUnservedPenalty();
getInitSol().getCostDelegate().evaluateSolution(getInitSol(), true, true);
}
