Examples with InfoProvider org.cpsolver.ifs.model.InfoProvider used on opensource projects

Example 1 with InfoProvider

use of org.cpsolver.ifs.model.InfoProvider in project cpsolver by UniTime.

the class RoundRobinNeighbourSelection method changeSelection.

/**
 * Change selection
 * @param selectionIndex current selection index
 */
@SuppressWarnings("unchecked")
public void changeSelection(int selectionIndex) {
    iSolver.currentSolution().getLock().writeLock().lock();
    try {
        Progress progress = Progress.getInstance(iSolver.currentSolution().getModel());
        int newSelectionIndex = 1 + selectionIndex;
        // already changed
        if (newSelectionIndex <= iSelectionIdx)
            return;
        // already changed
        if (selectionIndex == -1 && iSelectionIdx >= 0)
            return;
        iSelectionIdx = newSelectionIndex;
        if (selectionIndex >= 0) {
            try {
                NeighbourSelection<V, T> selection = iSelections.get(selectionIndex % iSelections.size());
                if (selection instanceof InfoProvider) {
                    Map<String, String> info = new HashMap<String, String>();
                    ((InfoProvider<V, T>) selection).getInfo(iSolver.currentSolution().getAssignment(), info);
                    if (!info.isEmpty())
                        for (Map.Entry<String, String> e : info.entrySet()) progress.debug(e.getKey() + ": " + e.getValue());
                }
            } catch (Exception e) {
            }
        }
        sLogger.info("Phase changed to " + ((newSelectionIndex % iSelections.size()) + 1));
        progress.debug(iSolver.currentSolution().toString());
        if (iSolver.currentSolution().getBestInfo() == null || iSolver.getSolutionComparator().isBetterThanBestSolution(iSolver.currentSolution()))
            iSolver.currentSolution().saveBest();
        iSelections.get(iSelectionIdx % iSelections.size()).init(iSolver);
    } finally {
        iSolver.currentSolution().getLock().writeLock().unlock();
    }
}