Package Summary Overview Summary |
public interface ShardingKeyBuilder
DataSource
or XADataSource
object, used to create a ShardingKey
with sub-keys of supported data types. Implementations must support JDBCType.VARCHAR and may also support additional data types.
The following example illustrates the use of ShardingKeyBuilder
to create a ShardingKey
:
DataSource ds = new MyDataSource();
ShardingKey shardingKey = ds.createShardingKeyBuilder()
.subkey("abc", JDBCType.VARCHAR)
.subkey(94002, JDBCType.INTEGER)
.build();
Modifier and Type | Method | Description |
---|---|---|
ShardingKey | build() |
Returns an instance of the object defined by this builder.
|
ShardingKeyBuilder | subkey(java.lang.Object subkey, SQLType subkeyType) |
This method will be called to add a subkey into a Sharding Key object being built.
|
ShardingKeyBuilder subkey(java.lang.Object subkey, SQLType subkeyType)
subkey
- contains the object that needs to be part of shard sub key
subkeyType
- sub-key data type of type java.sql.SQLType
ShardingKey build() throws SQLException
SQLException
- If an error occurs building the object