org.firebirdsql.jdbc.field

Class JdbcTypeConverter

java.lang.Object

org.firebirdsql.jdbc.field.JdbcTypeConverter

public final class JdbcTypeConverter
extends java.lang.Object

Helper class to convert from Firebird and metadata type information to JDBC type information.

Since:

3.0

Author:

Mark Rotteveel

Method Summary

Modifier and Type	Method and Description
static int	fromFirebirdToJdbcType(int firebirdType, int subtype, int scale) Converts from the Firebird type, subtype and scale to the JDBC type value from Types.
static int	fromMetaDataToFirebirdType(int metaDataType) Converts the metadata type value to the Firebird type value (null bit not set).
static int	fromMetaDataToJdbcType(int metaDataType, int subtype, int scale) Converts from the metadata type (as used in the system tables) to JDBC type values from Types.
static int	toJdbcType(FieldDescriptor fieldDescriptor) Gets the JDBC type value from Types for the field descriptor.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

toJdbcType

public static int toJdbcType(FieldDescriptor fieldDescriptor)

Gets the JDBC type value from Types for the field descriptor.

Parameters:

fieldDescriptor - Field descriptor

Returns:

JDBC type, or Types.OTHER for unknown types

fromFirebirdToJdbcType

public static int fromFirebirdToJdbcType(int firebirdType,
                                         int subtype,
                                         int scale)

Converts from the Firebird type, subtype and scale to the JDBC type value from Types.

Parameters:

firebirdType - Firebird type value (from ISCConstants SQL_* with or without nullable bit set

subtype - Subtype

scale - Scale

Returns:

JDBC type, or Types.OTHER for unknown types

fromMetaDataToJdbcType

public static int fromMetaDataToJdbcType(int metaDataType,
                                         int subtype,
                                         int scale)

Converts from the metadata type (as used in the system tables) to JDBC type values from Types.

Parameters:

metaDataType - Metadata type value

subtype - Subtype

scale - Scale

Returns:

JDBC type, or Types.OTHER for unknown types

fromMetaDataToFirebirdType

public static int fromMetaDataToFirebirdType(int metaDataType)

Converts the metadata type value to the Firebird type value (null bit not set).

Parameters:

metaDataType - Metadata type value

Returns:

Firebird type value