private boolean isRanking(Graph graph, Column column) {
if (column.isDynamic() && column.isNumber()) {
ElementIterable<? extends Element> iterable =
AttributeUtils.isNodeColumn(column) ? graph.getNodes() : graph.getEdges();
for (Element el : iterable) {
if (el.getAttribute(column, graph.getView()) != null) {
iterable.doBreak();
return true;
}
}
} else if (!column.isDynamic() && column.isIndexed() && column.isNumber()) {
Index index;
if (AttributeUtils.isNodeColumn(column)) {
index = localScale ? graphModel.getNodeIndex(graph.getView()) : graphModel.getNodeIndex();
} else {
index = localScale ? graphModel.getEdgeIndex(graph.getView()) : graphModel.getEdgeIndex();
}
if (index.countValues(column) > 0) {
return true;
}
}
return false;
}
private boolean isPartition(Graph graph, Column column) {
if (column.isDynamic()) {
Set<Object> set = new HashSet<Object>();
boolean hasNullValue = false;
int elements = 0;
ElementIterable<? extends Element> iterable =
AttributeUtils.isNodeColumn(column) ? graph.getNodes() : graph.getEdges();
for (Element el : iterable) {
TimeMap val = (TimeMap) el.getAttribute(column);
if (val != null) {
Object[] va = val.toValuesArray();
for (Object v : va) {
if (v != null) {
set.add(v);
} else {
hasNullValue = true;
}
elements++;
}
}
}
double ratio = set.size() / (double) elements;
return ratio <= 0.9;
} else if (column.isIndexed()) {
Index index;
if (AttributeUtils.isNodeColumn(column)) {
index = graphModel.getNodeIndex(graph.getView());
} else {
index = graphModel.getEdgeIndex(graph.getView());
}
int valueCount = index.countValues(column);
int elementCount = index.countElements(column);
double ratio = valueCount / (double) elementCount;
return ratio <= 0.9;
}
return false;
}
@Override
public Partition getEdgePartition(Graph graph, Column column) {
synchronized (functionLock) {
FunctionsModel m;
if (graph.getView().isMainView()) {
m = functionsMain;
} else {
m = functions.get(graph);
}
if (m != null) {
return m.edgeFunctionsModel.getPartition(column);
}
return null;
}
}
private FunctionsModel refreshFunctions(Graph graph) {
synchronized (functionLock) {
FunctionsModel m;
if (graph.getView().isMainView()) {
m = functionsMain;
} else {
m = functions.get(graph);
if (m == null) {
m = new FunctionsModel(graph);
functions.put(graph, m);
}
}
// Check and detroy old
for (Iterator<Map.Entry<Graph, FunctionsModel>> it = functions.entrySet().iterator();
it.hasNext(); ) {
Map.Entry<Graph, FunctionsModel> entry = it.next();
if (entry.getKey().getView().isDestroyed()) {
it.remove();
}
}
return m;
}
}
public GraphObserverImpl createGraphObserver(Graph graph, boolean withDiff) {
GraphViewImpl graphViewImpl = (GraphViewImpl) graph.getView();
checkViewExist(graphViewImpl);
return graphViewImpl.createGraphObserver(graph, withDiff);
}
