Package io.jmix.data.persistence

Interface DbTypeConverter

All Known Implementing Classes:

HsqlDbTypeConverter, MysqlDbTypeConverter, OracleDbTypeConverter, PostgresqlDbTypeConverter, SqlServerDbTypeConverter

public interface DbTypeConverter

Interface defining methods to convert data between Java objects and JDBC params and results depending on the current DBMS type.
The main goal is to convert dates and UUID.

Method Summary

Modifier and Type	Method	Description
Object	getJavaObject(ResultSet resultSet, int column)	Convert a JDBC ResultSet column value to a value appropriate for an entity attribute.
Object	getSqlObject(Object value)	Convert an entity attribute value to a value appropriate for a JDBC parameter.
int	getSqlType(Class<?> javaClass)	Get a JDBC type corresponding to an entity attribute type.
String	getTypeAndVersion()	Provides information about jmix.data.dbmsType and jmix.data.dbmsVersion this bean designed for.

Method Details

getJavaObject

@Nullable
Object getJavaObject(ResultSet resultSet,
 int column)

Convert a JDBC ResultSet column value to a value appropriate for an entity attribute.

Parameters:

resultSet - JDBC ResultSet

column - ResultSet column number, starting from 1

Returns:

corresponding value for an entity attribute

getSqlObject

Object getSqlObject(Object value)

Convert an entity attribute value to a value appropriate for a JDBC parameter.

Parameters:

value - an entity attribute value

Returns:

corresponding value for a JDBC parameter

getSqlType

int getSqlType(Class<?> javaClass)

Get a JDBC type corresponding to an entity attribute type.

Parameters:

javaClass - entity attribute type

Returns:

corresponding JDBC type

See Also:

• Types

getTypeAndVersion

String getTypeAndVersion()

Provides information about jmix.data.dbmsType and jmix.data.dbmsVersion this bean designed for. Version can be empty.