protected void store(CharSequence basename) throws java.io.IOException {
BVGraph.store(graph, basename + ArcLabelledImmutableGraph.UNDERLYINGGRAPH_SUFFIX);
BitStreamArcLabelledImmutableGraph.store(
graph, basename, basename + ArcLabelledImmutableGraph.UNDERLYINGGRAPH_SUFFIX);
graph = BitStreamArcLabelledImmutableGraph.loadSequential(basename);
BVGraph.store(
reverse, basename + ".reverse" + ArcLabelledImmutableGraph.UNDERLYINGGRAPH_SUFFIX);
BitStreamArcLabelledImmutableGraph.store(
reverse,
basename + ".reverse",
basename + ".reverse" + ArcLabelledImmutableGraph.UNDERLYINGGRAPH_SUFFIX);
reverse = BitStreamArcLabelledImmutableGraph.loadSequential(basename + ".reverse");
}
public Graph(BVGraph graph, String[] names) {
org.apache.log4j.Logger logger =
org.apache.log4j.Logger.getLogger("it.unimi.dsi.webgraph.ImmutableGraph");
logger.setLevel(org.apache.log4j.Level.FATAL);
if (names.length != graph.numNodes())
throw new Error("Problem with the list of names for the nodes in the graph.");
try {
File auxFile = File.createTempFile("graph-maps-" + System.currentTimeMillis(), "aux");
auxFile.deleteOnExit();
RecordManager recMan = RecordManagerFactory.createRecordManager(auxFile.getAbsolutePath());
nodes = recMan.hashMap("nodes");
nodesReverse = recMan.hashMap("nodesReverse");
} catch (IOException ex) {
throw new Error(ex);
}
nodes.clear();
nodesReverse.clear();
Constructor[] cons = WeightedArc.class.getDeclaredConstructors();
for (int i = 0; i < cons.length; i++) cons[i].setAccessible(true);
Integer aux1 = null;
WeightedArcSet list = new WeightedArcSet();
it.unimi.dsi.webgraph.NodeIterator it = graph.nodeIterator();
while ((aux1 = it.nextInt()) != null) {
LazyIntIterator suc = it.successors();
Integer aux2 = null;
while ((aux2 = suc.nextInt()) != null && aux2 >= 0 && (aux2 < graph.numNodes()))
try {
if (commit++ % COMMIT_SIZE == 0) {
list.commit();
}
list.add((WeightedArc) cons[0].newInstance(aux1, aux2, (float) 1.0));
} catch (Exception ex) {
throw new Error(ex);
}
}
this.graph = new WeightedBVGraph(list.toArray(new WeightedArc[0]));
list = new WeightedArcSet();
it = graph.nodeIterator();
while ((aux1 = it.nextInt()) != null) {
LazyIntIterator suc = it.successors();
Integer aux2 = null;
while ((aux2 = suc.nextInt()) != null && aux2 >= 0 && (aux2 < graph.numNodes()))
try {
if (commit++ % COMMIT_SIZE == 0) {
commit();
list.commit();
}
list.add((WeightedArc) cons[0].newInstance(aux2, aux1, (float) 1.0));
this.nodes.put(aux1, names[aux1]);
this.nodes.put(aux2, names[aux2]);
this.nodesReverse.put(names[aux1], aux1);
this.nodesReverse.put(names[aux2], aux2);
} catch (Exception ex) {
throw new Error(ex);
}
}
this.reverse = new WeightedBVGraph(list.toArray(new WeightedArc[0]));
numArcs = list.size();
iterator = nodeIterator();
try {
File auxFile = File.createTempFile("graph" + System.currentTimeMillis(), "aux");
auxFile.deleteOnExit();
String basename = auxFile.getAbsolutePath();
store(basename);
} catch (IOException ex) {
throw new Error(ex);
}
commit();
}