@org.apache.thrift.annotation.Nullable
  public static AdjacencyType findByValue(int value) { 
    switch (value) {
      case 0:
        return CONJUNCTIVE;
      case 1:
        return DISJUNCTIVE;
      default:
        return null;
    }
  }
Find a the enum type by its integer value, as defined in the Thrift IDL.
@return null if the value is not found.
ql/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/ql/plan/api/AdjacencyType.java