Examples with MVolatile gov.sandia.n2a.db.MVolatile used on opensource projects

Example 6 with MVolatile

use of gov.sandia.n2a.db.MVolatile in project n2a by frothga.

the class SafeTextTransferHandler method importData.

public boolean importData(TransferSupport support) {
    try {
        String data = (String) support.getTransferable().getTransferData(DataFlavor.stringFlavor);
        if (data.startsWith("N2A.schema")) {
            if (safeTypes == null)
                return false;
            Schema schema = new Schema();
            MNode nodes = new MVolatile();
            BufferedReader br = new BufferedReader(new StringReader(data));
            schema.read(br);
            if (schema.type.startsWith("Clip"))
                schema.type = schema.type.substring(4);
            if (!safeTypes.contains(schema.type)) {
                br.close();
                return false;
            }
            nodes.read(br);
            br.close();
            // Process into a suitable string
            for (MNode n : nodes) {
                String key = n.key();
                String value = n.get();
                if (key.startsWith("@"))
                    data = value + key;
                else if (value.isEmpty())
                    data = key;
                else
                    data = key + "=" + value;
                // Only process the first node
                break;
            }
        }
        JTextComponent comp = (JTextComponent) support.getComponent();
        InputContext ic = comp.getInputContext();
        if (ic != null)
            ic.endComposition();
        comp.replaceSelection(data);
        return true;
    } catch (UnsupportedFlavorException | IOException e) {
    }
    return false;
}

Example 7 with MVolatile

use of gov.sandia.n2a.db.MVolatile in project n2a by frothga.

the class ImportJob method postprocess.

/**
 *        Perform data manipulations that must wait until all nodes are read.
 */
public void postprocess() {
    for (Entry<String, ComponentType> e : components.entrySet()) e.getValue().finish1();
    for (Entry<String, ComponentType> e : components.entrySet()) e.getValue().finish2();
    for (Entry<String, Cell> e : cells.entrySet()) e.getValue().finish();
    for (Entry<String, Network> e : networks.entrySet()) e.getValue().finish1();
    for (Entry<String, Network> e : networks.entrySet()) e.getValue().finish2();
    // (Obscure case) Find spike sources that reference a target synapse but did not get used.
    // Need to construct fused parts so they are functional on their own.
    List<String> kill = new ArrayList<String>();
    for (MNode spikeSource : models.child(modelName)) {
        String synapseName = spikeSource.get("$metadata", "backend.lems.synapse");
        // not a spike source
        if (synapseName.isEmpty())
            continue;
        // this memo is no longer needed
        spikeSource.clear("$metadata", "backend.lems.synapse");
        // It got used somewhere, so we're done.
        if (spikeSource.getInt("$count") > 0)
            continue;
        MNode synapse = models.child(modelName, synapseName);
        if (synapse == null)
            continue;
        MNode fused = new MVolatile();
        // Leave the original synapse part alone. Just duplicate it.
        fused.merge(synapse);
        fused.set("$metadata", "backend.lems.id", synapseName);
        MNode A = fused.set("A", "");
        A.merge(spikeSource);
        A.set("$metadata", "backend.lems.id", spikeSource.key());
        removeDependency(spikeSource, spikeSource.get("$inherit").replace("\"", ""));
        spikeSource.clear();
        spikeSource.merge(fused);
        addDependency(spikeSource, spikeSource.get("$inherit").replace("\"", ""));
        A = spikeSource.child("A");
        // Don't do "FromConnection", because we've already injected the part.
        addDependency(A, A.get("$inherit").replace("\"", ""));
        if (synapse.getInt("$count") == 0 && synapse.child("$lems") == null)
            kill.add(synapseName);
    }
    for (String k : kill) models.clear(modelName, k);
    // Select the prime model
    if (primaryModel.isEmpty()) {
        if (networks.size() == 1)
            primaryModel = networks.entrySet().iterator().next().getValue().id;
    // Otherwise there is no prime model. Could pick one arbitrarily (with preference for higher-level parts).
    // It may be cleaner to keep them all bundled as subparts and let the user pull them out as needed.
    }
    // System.out.println (models);  // Most useful for debugging structure.
    while (dependents.size() > 0) resolve(dependents.iterator().next());
    // Move heavy-weight parts into separate models
    Iterator<MNode> it = models.child(modelName).iterator();
    while (it.hasNext()) {
        MNode part = it.next();
        String key = part.key();
        int count = part.getInt("$count");
        boolean lems = part.child("$lems") != null;
        boolean proxyFound = part.get("$proxy").equals("found");
        part.clear("$count");
        part.clear("$connected");
        part.clear("$lems");
        part.clear("$lemsUses");
        part.clear("$proxy");
        if (count == 0 && lems && !key.equals(primaryModel))
            count = -3;
        if (count < 0) {
            if (count == -3 && !proxyFound) {
                MNode model = models.childOrCreate(modelName + " " + key);
                model.merge(part);
            }
            if (count > -4)
                it.remove();
        }
    }
    // Move primary model up to top level
    if (!primaryModel.isEmpty()) {
        MNode source = models.child(modelName, primaryModel);
        if (source == null)
            return;
        models.clear(modelName, primaryModel);
        for (MNode p : source) {
            MNode dest = models.childOrCreate(modelName, p.key());
            dest.merge(p);
        }
        models.set(modelName, "$metadata", "backend.lems.id", primaryModel);
    }
    if (models.child(modelName).size() == 0)
        models.clear(modelName);
    ExpressionParser.namedUnits = null;
}