@Override
public void addVertex(V vertexID, List<Edge<V, E>> edges, M value) throws IOException {
MapWritable msg = new MapWritable();
// Create the new vertex.
Vertex<V, E, M> vertex = GraphJobRunner.<V, E, M>newVertexInstance(GraphJobRunner.VERTEX_CLASS);
vertex.setEdges(edges);
vertex.setValue(value);
vertex.setVertexID(vertexID);
msg.put(GraphJobRunner.FLAG_VERTEX_INCREASE, vertex);
runner.getPeer().send(runner.getHostName(vertexID), new GraphJobMessage(msg));
alterVertexCounter(1);
}
/**
* The text file essentially should look like: <br>
* VERTEX_ID\t(n-tab separated VERTEX_ID:VERTEX_VALUE pairs)<br>
* E.G:<br>
* 1\t2:25\t3:32\t4:21<br>
* 2\t3:222\t1:922<br>
* etc.
*/
@Override
public boolean parseVertex(
LongWritable key, Text value, Vertex<IntWritable, IntWritable, IntIntPairWritable> vertex) {
String[] split = value.toString().split("\t");
for (int i = 0; i < split.length; i++) {
if (i == 0) {
vertex.setVertexID(new IntWritable(Integer.parseInt(split[i])));
} else {
String[] split2 = split[i].split(":");
vertex.addEdge(
new Edge<>(
new IntWritable(Integer.parseInt(split2[0])),
new IntWritable(Integer.parseInt(split2[1]))));
}
}
return true;
}
