Examples with SynchronizedElementBuilder org.btrplace.model.SynchronizedElementBuilder used on opensource projects

Example 1 with SynchronizedElementBuilder

use of org.btrplace.model.SynchronizedElementBuilder in project scheduler by btrplace.

the class FixedNodeSetsPartitioning method split.

@Override
public List<Instance> split(Parameters ps, Instance i) throws SchedulerException {
    Model mo = i.getModel();
    SynchronizedElementBuilder eb = new SynchronizedElementBuilder(mo);
    List<Instance> parts = new ArrayList<>(partitions.size());
    // nb of VMs
    int nbVMs = i.getModel().getMapping().getNbVMs();
    int nbNodes = i.getModel().getMapping().getNbNodes();
    TIntIntHashMap vmPosition = new TIntIntHashMap(nbVMs);
    TIntIntHashMap nodePosition = new TIntIntHashMap(nbNodes);
    int partNumber = 0;
    Set<VM> toLaunch = getVMsToLaunch(i);
    for (Collection<Node> s : partitions) {
        SubModel partModel = new SubModel(mo, eb, s, new HashSet<>(toLaunch.size() / partitions.size()));
        parts.add(new Instance(partModel, new THashSet<>(), i.getOptConstraint()));
        // VM Index
        partModel.getMapping().fillVMIndex(vmPosition, partNumber);
        // Node index
        for (Node n : s) {
            nodePosition.put(n.id(), partNumber);
        }
        partNumber++;
    }
    // Round-robin placement for the VMs to launch
    int p = 0;
    for (VM v : toLaunch) {
        if (!parts.get(p).getModel().getMapping().addReadyVM(v)) {
            throw new SplitException(parts.get(p).getModel(), "Unable to dispatch the VM to launch '" + v + "'");
        }
        vmPosition.put(v.id(), p);
        p = (p + 1) % parts.size();
    }
    // Split the constraints
    for (SatConstraint cstr : i.getSatConstraints()) {
        if (!cstrMapper.split(cstr, i, parts, vmPosition, nodePosition)) {
            throw new SplitException(i.getModel(), "Unable to split " + cstr);
        }
    }
    return parts;
}