public void setFieldValue(_Fields field, @org.apache.thrift.annotation.Nullable java.lang.Object value) {
    switch (field) {
    case CAT_NAME:
      if (value == null) {
        unsetCatName();
      } else {
        setCatName((java.lang.String)value);
      }
      break;

    case DB_NAME:
      if (value == null) {
        unsetDbName();
      } else {
        setDbName((java.lang.String)value);
      }
      break;

    case TBL_NAME:
      if (value == null) {
        unsetTblName();
      } else {
        setTblName((java.lang.String)value);
      }
      break;

    case TABLES_USED:
      if (value == null) {
        unsetTablesUsed();
      } else {
        setTablesUsed((java.util.Set<java.lang.String>)value);
      }
      break;

    case VALID_TXN_LIST:
      if (value == null) {
        unsetValidTxnList();
      } else {
        setValidTxnList((java.lang.String)value);
      }
      break;

    case MATERIALIZATION_TIME:
      if (value == null) {
        unsetMaterializationTime();
      } else {
        setMaterializationTime((java.lang.Long)value);
      }
      break;

    case SOURCE_TABLES:
      if (value == null) {
        unsetSourceTables();
      } else {
        setSourceTables((java.util.List<SourceTable>)value);
      }
      break;

    }
  }
Returns true if field sourceTables is set (has been assigned a value) and false otherwise
standalone-metastore/metastore-common/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/metastore/api/CreationMetadata.java