@Override public void addPartitionVertices(Integer partitionId, ExtendedDataOutput extendedDataOutput) { VertexIterator<I, V, E> vertexIterator = new VertexIterator<I, V, E>(extendedDataOutput, conf); Partition<I, V, E> partition = getOrCreatePartition(partitionId); partition.addPartitionVertices(vertexIterator); putPartition(partition); }