public void addToOperations(BlockableOperation elem) {
    if (this.operations == null) {
      this.operations = new java.util.ArrayList<BlockableOperation>();
    }
    this.operations.add(elem);
  }
Returns true if field blockerId is set (has been assigned a value) and false otherwise
amoro-common/src/main/gen-java/org/apache/amoro/api/Blocker.java