graphdb/src/main/java/com/orientechnologies/orient/graph/batch/OGraphBatchInsertBasic.java
public void createVertex(final Long v) {
    last = last < v ? v : last;
    final List<Long> outList = out.get(v);
    if (outList == null) {
      out.put(v, new ArrayList<Long>(averageEdgeNumberPerNode <= 0 ? 4 : averageEdgeNumberPerNode));
    }
  }
public void createVertex(final Long v) {
    last = last < v ? v : last;
    final List<Long> outList = out.get(v);
    if (outList == null) {
      out.put(v, new ArrayList<Long>(averageEdgeNumberPerNode <= 0 ? 4 : averageEdgeNumberPerNode));
    }
  }
Creates a new vertex

@param v
the vertex ID