public static void write(
final Map<String, List<FaunusEdge>> edges, final DataOutput out, final Direction idToWrite)
throws IOException {
out.writeShort(edges.size());
for (final Map.Entry<String, List<FaunusEdge>> entry : edges.entrySet()) {
out.writeUTF(entry.getKey());
WritableUtils.writeVInt(out, entry.getValue().size());
for (final FaunusEdge edge : entry.getValue()) {
edge.writeCompressed(out, idToWrite);
}
}
}
public void enablePath(final boolean enablePath) {
super.enablePath(enablePath);
if (this.pathEnabled) {
for (final Edge edge : this.getEdges(BOTH)) {
((FaunusEdge) edge).enablePath(true);
}
}
}
public FaunusEdge addEdge(final Direction direction, final FaunusEdge edge) {
if (OUT.equals(direction)) {
List<Edge> edges = this.outEdges.get(edge.getLabel());
if (null == edges) {
edges = new ArrayList<Edge>();
this.outEdges.put(edge.getLabel(), edges);
}
edges.add(edge);
} else if (IN.equals(direction)) {
List<Edge> edges = this.inEdges.get(edge.getLabel());
if (null == edges) {
edges = new ArrayList<Edge>();
this.inEdges.put(edge.getLabel(), edges);
}
edges.add(edge);
} else throw ExceptionFactory.bothIsNotSupported();
return edge;
}
public static Map<String, List<FaunusEdge>> readFields(
final DataInput in, final Direction idToRead, final long otherId) throws IOException {
final Map<String, List<FaunusEdge>> edges = new HashMap<String, List<FaunusEdge>>();
int edgeTypes = in.readShort();
for (int i = 0; i < edgeTypes; i++) {
final String label = in.readUTF();
final int size = WritableUtils.readVInt(in);
final List<FaunusEdge> temp = new ArrayList<FaunusEdge>(size);
for (int j = 0; j < size; j++) {
final FaunusEdge edge = new FaunusEdge();
edge.readFieldsCompressed(in, idToRead);
edge.setLabel(label);
if (idToRead.equals(Direction.OUT)) edge.inVertex = otherId;
else edge.outVertex = otherId;
temp.add(edge);
}
edges.put(label, temp);
}
return edges;
}
