[Java]-[Enum]-[DBTYPE]

至尊贝贝 — Mon, 26 Jul 2010 07:15:00 GMT

   enum DatabaseProduct {
        ACCESS,
        UNKNOWN,
        DERBY,
        DB2_OLD_AS400,
        DB2_AS400,
        DB2,
        FIREBIRD,
        GREENPLUM,
        HSQLDB,
        INFORMIX,
        INFOBRIGHT,
        INGRES,
        INTERBASE,
        LUCIDDB,
        MSSQL,
        NETEZZA,
        NEOVIEW,
        ORACLE,
        POSTGRESQL,
        MYSQL,
        SQLSTREAM,
        SYBASE,
        TERADATA,
        VERTICA;

        /**
         * Return the root of the family of products this database product
         * belongs to.
         *
         *

For {@link #DB2_AS400} and {@link #DB2_OLD_AS400} returns
         * {@link #DB2}; for all other database products, returns the same
         * product.
         *
         * @return root of family of database products
         */
        public DatabaseProduct getFamily() {
            switch (this) {
            case DB2_OLD_AS400:
            case DB2_AS400:
                return DB2;
            default:
                return this;
            }
        }
    }

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[Java]-[Enum]-[DBTYPE]