/**
* create a 1-d String array from a network, for easy transmission to R. triples (source,
* edgeType, target) are filled in to an array of length 3 * # of interactions
*
* @param network a gaggle network
* @return the edge attributes of the network as a string array
*/
protected String[] networkEdgeAttributesToStringArray(Network network) {
Interaction[] interactions = network.getInteractions();
String source, target, type;
String[] attributeNames = network.getEdgeAttributeNames();
ArrayList<String> list = new ArrayList<String>();
for (Interaction interaction : interactions) {
source = interaction.getSource();
type = interaction.getType();
target = interaction.getTarget();
String edgeName = source + " (" + type + ") " + target;
String terseEdgeName = source + "::" + target + "::" + type;
for (String name : attributeNames) {
HashMap hash = network.getEdgeAttributes(name);
if (hash.containsKey(edgeName)) {
Object value = hash.get(edgeName);
StringBuffer sb = new StringBuffer();
sb.append(terseEdgeName);
sb.append("::");
sb.append(name);
sb.append("::");
sb.append(value.toString());
list.add(sb.toString());
} else {
System.out.println("no " + name + " attribute for " + edgeName);
}
} // for a
} // for r
return list.toArray(new String[0]);
} // networkEdgeAttributesToStringArray
/** {@inheritDoc} */
public void addHostListener(HostListener listener) {
synchronized (listeners) {
listeners.add(listener);
if (task == null) {
task = new NotifierTask();
timer.schedule(task, 0, interval);
}
}
}
/**
* create a 1-d String array from a network, for easy transmission to R. each element in the array
* is a string, with format sourceNode::targetNode::edgeType
*
* @param network the network to convert to a string
* @return an array of strings representing a network
*/
protected String[] networkToStringArray(Network network) {
Interaction[] interactions = network.getInteractions();
ArrayList<String> list = new ArrayList<String>();
// System.out.println ("networkToStringArray, interaction ount: " + interactions.length);
for (Interaction interaction : interactions) {
String source = interaction.getSource();
String target = interaction.getTarget();
String type = interaction.getType();
String combined = source + "::" + target + "::" + type;
// System.out.println (" interaction: " + combined);
list.add(combined);
} // for i
String[] orphanNodes = network.getOrphanNodes();
// System.out.println ("networkToStringArray, orphanCount: " + orphanNodes.length);
for (String orphanNode : orphanNodes) {
// System.out.println (" orphan: " + orphanNodes [i]);
list.add(orphanNode);
}
return list.toArray(new String[0]);
} // networkToStringArray
/**
* create a 1-d String array from a network's node attributes, for easy transmission to R. use
* this format for each attribute of each node: nodeName::attributeName::value
*
* @param network a gaggle network
* @return the network's node attributes as a string array
*/
protected String[] networkNodeAttributesToStringArray(Network network) {
String[] attributeNames = network.getNodeAttributeNames();
// System.out.println (" nnatsa, attribute name count: " + attributeNames.length);
ArrayList<String> list = new ArrayList<String>();
for (String attributeName : attributeNames) {
// System.out.println (" nnatsa, attribute name: " + attributeName);
HashMap attributeHash = network.getNodeAttributes(attributeName);
// can't remove this warning until Network is genericized in next api release:
String[] nodeNames = (String[]) attributeHash.keySet().toArray(new String[0]);
for (String nodeName : nodeNames) {
// System.out.println (" nnatsa, node name: " + nodeName);
Object value = attributeHash.get(nodeName);
String terseForm = nodeName + "::" + attributeName + "::" + value.toString();
list.add(terseForm);
} // for n
} // for i
return list.toArray(new String[0]);
} // networkEdgeAttributesToStringArray
public ArrayList<KeyValueServerInterface> getServersList() throws RemoteException {
//
ArrayList<KeyValueServerInterface> res = new ArrayList();
try {
Registry registry = LocateRegistry.getRegistry();
String[] name = registry.list();
for (String str : name) {
// if( str.equals(server_name) ) continue;
KeyValueServerInterface obj = (KeyValueServerInterface) registry.lookup(str);
res.add(obj);
}
} catch (Exception e) {
System.out.println(e.getMessage());
}
return res;
}