io.requery.sql

Class GenericMapping

java.lang.Object

io.requery.sql.GenericMapping

All Implemented Interfaces:

Mapping

public class GenericMapping
extends Object
implements Mapping

Default mapping of Java types to Persisted types.

Constructor Summary

Constructors

Constructor and Description
GenericMapping(Platform platform)

Method Summary

Modifier and Type	Method and Description
void	addConverter(Converter<?,?> converter, Class<?>... classes)
FieldType	mapAttribute(Attribute<?,?> attribute) Get the mapped storage type mapping for a given type Attribute.
<T> Mapping	putType(Class<? super T> type, FieldType<T> fieldType) Map a specific java class type to a FieldType instance.
<A> A	read(Expression<A> expression, ResultSet results, int column) Given the expression read it from ResultSet instance.
boolean	readBoolean(ResultSet results, int column) Reads a boolean value.
byte	readByte(ResultSet results, int column) Reads a byte value.
double	readDouble(ResultSet results, int column) Reads a double value.
float	readFloat(ResultSet results, int column) Reads a float value.
int	readInt(ResultSet results, int column) Reads a integer value.
long	readLong(ResultSet results, int column) Reads a long value.
short	readShort(ResultSet results, int column) Reads a boolean value.
<T> Mapping	replaceType(int sqlType, FieldType<T> replacementType) Replace the default mapping from a FieldType to a another FieldType.
Class<?>	typeOf(int sqlType) Get the mapped storage type mapping for a given sql type.
<A> void	write(Expression<A> expression, PreparedStatement statement, int index, A value) Given the expression bind it into a JDBC PreparedStatement.
void	writeBoolean(PreparedStatement statement, int index, boolean value) Sets a boolean value
void	writeByte(PreparedStatement statement, int index, byte value) Sets a byte value
void	writeDouble(PreparedStatement statement, int index, double value) Sets a double value
void	writeFloat(PreparedStatement statement, int index, float value) Sets a float value
void	writeInt(PreparedStatement statement, int index, int value) Sets a int value
void	writeLong(PreparedStatement statement, int index, long value) Sets a long value
void	writeShort(PreparedStatement statement, int index, short value) Sets a short value

Methods inherited from class java.lang.Object

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

Constructor Detail

GenericMapping

public GenericMapping(Platform platform)

Method Detail

replaceType

public <T> Mapping replaceType(int sqlType,
                               FieldType<T> replacementType)

Description copied from interface: Mapping

Replace the default mapping from a FieldType to a another FieldType. If the basic type is not mapped then a mapping will be added.

Specified by:

replaceType in interface Mapping

Type Parameters:

T - the mapped type

Parameters:

sqlType - Types to replace

replacementType - non null replacement type

Returns:

mapping instance

putType

public <T> Mapping putType(Class<? super T> type,
                           FieldType<T> fieldType)

Description copied from interface: Mapping

Map a specific java class type to a FieldType instance.

Specified by:

putType in interface Mapping

Type Parameters:

T - the mapped type

Parameters:

type - non null java class type

fieldType - non null storage type

Returns:

mapping instance

mapAttribute

public FieldType mapAttribute(Attribute<?,?> attribute)

Description copied from interface: Mapping

Get the mapped storage type mapping for a given type Attribute.

Specified by:

mapAttribute in interface Mapping

Parameters:

attribute - attribute non null attribute

Returns:

the mapped FieldType

typeOf

public Class<?> typeOf(int sqlType)

Description copied from interface: Mapping

Get the mapped storage type mapping for a given sql type.

Specified by:

typeOf in interface Mapping

Parameters:

sqlType - Types type

Returns:

the mapped class for the given sql type.

read

public <A> A read(Expression<A> expression,
                  ResultSet results,
                  int column)
           throws SQLException

Description copied from interface: Mapping

Given the expression read it from ResultSet instance.

Specified by:

read in interface Mapping

Type Parameters:

A - type to read

Parameters:

expression - expression to read

results - ResultSet instance

column - column index

Returns:

the read type.

Throws:

SQLException - on a failure to read from the ResultSet

readBoolean

public boolean readBoolean(ResultSet results,
                           int column)
                    throws SQLException

Description copied from interface: Mapping

Reads a boolean value.

Specified by:

readBoolean in interface Mapping

Parameters:

results - ResultSet instance

column - column index

Returns:

read value

Throws:

SQLException - on a failure to read from the ResultSet

readByte

public byte readByte(ResultSet results,
                     int column)
              throws SQLException

Description copied from interface: Mapping

Reads a byte value.

Specified by:

readByte in interface Mapping

Parameters:

results - ResultSet instance

column - column index

Returns:

read value

Throws:

SQLException - on a failure to read from the ResultSet

readShort

public short readShort(ResultSet results,
                       int column)
                throws SQLException

Description copied from interface: Mapping

Reads a boolean value.

Specified by:

readShort in interface Mapping

Parameters:

results - ResultSet instance

column - column index

Returns:

read value

Throws:

SQLException - on a failure to read from the ResultSet

readInt

public int readInt(ResultSet results,
                   int column)
            throws SQLException

Description copied from interface: Mapping

Reads a integer value.

Specified by:

readInt in interface Mapping

Parameters:

results - ResultSet instance

column - column index

Returns:

read value

Throws:

SQLException - on a failure to read from the ResultSet

readLong

public long readLong(ResultSet results,
                     int column)
              throws SQLException

Description copied from interface: Mapping

Reads a long value.

Specified by:

readLong in interface Mapping

Parameters:

results - ResultSet instance

column - column index

Returns:

read value

Throws:

SQLException - on a failure to read from the ResultSet

readFloat

public float readFloat(ResultSet results,
                       int column)
                throws SQLException

Description copied from interface: Mapping

Reads a float value.

Specified by:

readFloat in interface Mapping

Parameters:

results - ResultSet instance

column - column index

Returns:

read value

Throws:

SQLException - on a failure to read from the ResultSet

readDouble

public double readDouble(ResultSet results,
                         int column)
                  throws SQLException

Description copied from interface: Mapping

Reads a double value.

Specified by:

readDouble in interface Mapping

Parameters:

results - ResultSet instance

column - column index

Returns:

read value

Throws:

SQLException - on a failure to read from the ResultSet

write

public <A> void write(Expression<A> expression,
                      PreparedStatement statement,
                      int index,
                      A value)
               throws SQLException

Description copied from interface: Mapping

Given the expression bind it into a JDBC PreparedStatement.

Specified by:

write in interface Mapping

Type Parameters:

A - type to be bound

Parameters:

expression - to bind

statement - prepared statement instance

index - statement index

value - value

Throws:

SQLException - on a failure to set the expression on the PreparedStatement

writeBoolean

public void writeBoolean(PreparedStatement statement,
                         int index,
                         boolean value)
                  throws SQLException

Description copied from interface: Mapping

Sets a boolean value

Specified by:

writeBoolean in interface Mapping

Parameters:

statement - prepared statement

index - statement index

value - type to be bound

Throws:

SQLException - on a failure to set the expression on the PreparedStatement

writeByte

public void writeByte(PreparedStatement statement,
                      int index,
                      byte value)
               throws SQLException

Description copied from interface: Mapping

Sets a byte value

Specified by:

writeByte in interface Mapping

Parameters:

statement - prepared statement

index - statement index

value - type to be bound

Throws:

SQLException - on a failure to set the expression on the PreparedStatement

writeShort

public void writeShort(PreparedStatement statement,
                       int index,
                       short value)
                throws SQLException

Description copied from interface: Mapping

Sets a short value

Specified by:

writeShort in interface Mapping

Parameters:

statement - prepared statement

index - statement index

value - type to be bound

Throws:

SQLException - on a failure to set the expression on the PreparedStatement

writeInt

public void writeInt(PreparedStatement statement,
                     int index,
                     int value)
              throws SQLException

Description copied from interface: Mapping

Sets a int value

Specified by:

writeInt in interface Mapping

Parameters:

statement - prepared statement

index - statement index

value - type to be bound

Throws:

SQLException - on a failure to set the expression on the PreparedStatement

writeLong

public void writeLong(PreparedStatement statement,
                      int index,
                      long value)
               throws SQLException

Description copied from interface: Mapping

Sets a long value

Specified by:

writeLong in interface Mapping

Parameters:

statement - prepared statement

index - statement index

value - type to be bound

Throws:

SQLException - on a failure to set the expression on the PreparedStatement

writeFloat

public void writeFloat(PreparedStatement statement,
                       int index,
                       float value)
                throws SQLException

Description copied from interface: Mapping

Sets a float value

Specified by:

writeFloat in interface Mapping

Parameters:

statement - prepared statement

index - statement index

value - type to be bound

Throws:

SQLException - on a failure to set the expression on the PreparedStatement

writeDouble

public void writeDouble(PreparedStatement statement,
                        int index,
                        double value)
                 throws SQLException

Description copied from interface: Mapping

Sets a double value

Specified by:

writeDouble in interface Mapping

Parameters:

statement - prepared statement

index - statement index

value - type to be bound

Throws:

SQLException - on a failure to set the expression on the PreparedStatement

addConverter

public void addConverter(Converter<?,?> converter,
                         Class<?>... classes)