/**
* 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
public void dump() throws RemoteException {
int num_ins = instances.size();
System.out.println(getServerName() + ":");
for (int i = 1; i <= num_ins; i++) {
Instance tmp = instances.get(i);
System.out.println(i + ": " + tmp.toString());
}
return;
}
public int accept(int ins_num, int income_seq, String content) throws RemoteException {
if (!work) return -1;
Instance res = instances.get(ins_num);
if (res == null) return -1;
else {
if (income_seq >= res.n_p) {
res.n_p = income_seq;
res.n_a = income_seq;
res.content = content;
res.decided = true;
INS_NUM++;
return income_seq;
}
}
return -1;
}
public KeyValueServerInterfaceImpl(String server_name, int instance_capibility)
throws RemoteException {
this.server_name = server_name;
// loghelper = new LogHelper(server_name+"_log");
INS_NUM = 0;
work = true;
for (int i = 1; i <= instance_capibility; i++) instances.put(new Integer(i), new Instance());
}
/**
* 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 Instance prepare(int ins_num, int income_seq) throws RemoteException {
if (!work) return null;
Instance res = instances.get(ins_num);
if (res == null) return null;
else {
if (income_seq > res.n_p) {
res.n_p = income_seq;
return res;
} else return null;
}
}
public void decide(int income_seq, Operation op) throws RemoteException {
// set corresponding Op decided, assume no collision happens
if (!work) return;
if (op == null) return;
Instance ins = instances.get(op.op_num);
if (!ins.decided) {
ins.decided = true;
INS_NUM++;
ins.n_a = income_seq;
ins.content = op.content;
}
return;
}