@Override
public void doRequest(ServerData<I, V, E> serverData) {
ConcurrentHashMap<I, VertexMutations<I, V, E>> vertexMutations =
serverData.getVertexMutations();
Histogram verticesInMutationHist =
GiraphMetrics.get()
.perSuperstep()
.getUniformHistogram(MetricNames.VERTICES_IN_MUTATION_REQUEST);
verticesInMutationHist.update(vertexMutations.size());
for (Entry<I, VertexMutations<I, V, E>> entry : vertexIdMutations.entrySet()) {
VertexMutations<I, V, E> mutations = vertexMutations.get(entry.getKey());
if (mutations == null) {
mutations = vertexMutations.putIfAbsent(entry.getKey(), entry.getValue());
if (mutations == null) {
continue;
}
}
synchronized (mutations) {
mutations.addVertexMutations(entry.getValue());
}
}
}
/** Constructor */
public OutboundByteCounter() {
// Initialize Metrics
GiraphMetrics.get().addSuperstepResetObserver(this);
}