private IntSet lockAndReturnLockedColumns()

in src/main/java/com/twitter/sbf/core/MHAlgorithm.java [247:261]

• 14 lines of code
• 4 McCabe index (conditional complexity)

  private IntSet lockAndReturnLockedColumns(SparseBinaryMatrix matrix, int vertexId) {
    IntSet colsToLock = new IntOpenHashSet();
    synchronized (this) {
      for (int nId : g.getNeighbors(vertexId)) {
        // SUPPRESS CHECKSTYLE NestedForDepth
        for (int colId : matrix.getRow(nId)) {
          if (!colsToLock.contains(colId)) {
            colsToLock.add(colId);
            colLocks[colId].lock();
          }
        }
      }
    }
    return colsToLock;
  }