Class NumericColumnMapping

java.lang.Object

org.datanucleus.store.rdbms.mapping.column.AbstractColumnMapping

org.datanucleus.store.rdbms.mapping.column.NumericColumnMapping

All Implemented Interfaces:

ColumnMapping

public class NumericColumnMapping
extends AbstractColumnMapping

Mapping of a numeric column.

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	INT_MAX_DECIMAL_DIGITS

Fields inherited from class AbstractColumnMapping

column, mapping, storeMgr

Constructor Summary

Constructors

Constructor	Description
NumericColumnMapping(JavaTypeMapping mapping, RDBMSStoreManager storeMgr, Column col)

Method Summary

Modifier and Type	Method	Description
boolean	getBoolean(ResultSet rs, int param)	Obtains a value from resultSet at position specified by exprIndex.
byte	getByte(ResultSet rs, int param)	Obtains a value from resultSet at position specified by exprIndex.
char	getChar(ResultSet rs, int param)	Obtains a value from resultSet at position specified by exprIndex.
double	getDouble(ResultSet rs, int param)	Obtains a value from resultSet at position specified by exprIndex.
float	getFloat(ResultSet rs, int param)	Obtains a value from resultSet at position specified by exprIndex.
int	getInt(ResultSet rs, int param)	Obtains a value from resultSet at position specified by exprIndex.
int	getJDBCType()	Method to return the java.sql.Types type that this relates to.
long	getLong(ResultSet rs, int param)	Obtains a value from resultSet at position specified by exprIndex.
Object	getObject(ResultSet rs, int param)	Accessor for the value from a result set.
short	getShort(ResultSet rs, int param)	Obtains a value from resultSet at position specified by exprIndex.
private void	initialize()	Initialise the mapping, setting any default precision.
boolean	isIntegerBased()	Accessor for whether the mapping is integer-based.
void	setBoolean(PreparedStatement ps, int param, boolean value)	Sets a value into ps at position specified by paramIndex.
void	setByte(PreparedStatement ps, int param, byte value)	Sets a value into ps at position specified by paramIndex.
void	setChar(PreparedStatement ps, int param, char value)	Sets a value into ps at position specified by paramIndex.
void	setDouble(PreparedStatement ps, int param, double value)	Sets a value into ps at position specified by paramIndex.
void	setFloat(PreparedStatement ps, int param, float value)	Sets a value into ps at position specified by paramIndex.
void	setInt(PreparedStatement ps, int param, int value)	Sets a value into ps at position specified by paramIndex.
void	setLong(PreparedStatement ps, int param, long value)	Sets a value into ps at position specified by paramIndex.
void	setObject(PreparedStatement ps, int param, Object value)	Sets a value into ps at position specified by paramIndex.
void	setShort(PreparedStatement ps, int param, short value)	Sets a value into ps at position specified by paramIndex.

Methods inherited from class AbstractColumnMapping

equals, failureMessage, failureMessage, failureMessage, getColumn, getDatastoreAdapter, getInsertionInputParameter, getJavaTypeMapping, getString, getTypeInfo, getUpdateInputParameter, hashCode, includeInFetchStatement, initTypeInfo, insertValuesOnInsert, isBitBased, isBooleanBased, isDecimalBased, isNullable, isStringBased, setString, useDefaultWhenNull

Methods inherited from class Object

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

Field Details

INT_MAX_DECIMAL_DIGITS

private static final int INT_MAX_DECIMAL_DIGITS

See Also:

• Constant Field Values

Constructor Details

NumericColumnMapping

public NumericColumnMapping(JavaTypeMapping mapping,
 RDBMSStoreManager storeMgr,
 Column col)

Method Details

initialize

private void initialize()

Initialise the mapping, setting any default precision.

isIntegerBased

public boolean isIntegerBased()

Accessor for whether the mapping is integer-based.

Specified by:

isIntegerBased in interface ColumnMapping

Overrides:

isIntegerBased in class AbstractColumnMapping

Returns:

Whether the mapping is integer based

getJDBCType

public int getJDBCType()

Description copied from class: AbstractColumnMapping

Method to return the java.sql.Types type that this relates to.

Specified by:

getJDBCType in class AbstractColumnMapping

Returns:

The JDBC "type"

setChar

public void setChar(PreparedStatement ps,
 int param,
 char value)

Description copied from interface: ColumnMapping

Sets a value into ps at position specified by paramIndex.

Specified by:

setChar in interface ColumnMapping

Overrides:

setChar in class AbstractColumnMapping

Parameters:

ps - PreparedStatement

param - the position of the value in the statement

value - the value

getChar

public char getChar(ResultSet rs,
 int param)

Description copied from interface: ColumnMapping

Obtains a value from resultSet at position specified by exprIndex.

Specified by:

getChar in interface ColumnMapping

Overrides:

getChar in class AbstractColumnMapping

Parameters:

rs - ResultSet

param - the position of the value in the result

Returns:

the value

setInt

public void setInt(PreparedStatement ps,
 int param,
 int value)

Description copied from interface: ColumnMapping

Sets a value into ps at position specified by paramIndex.

Specified by:

setInt in interface ColumnMapping

Overrides:

setInt in class AbstractColumnMapping

Parameters:

ps - PreparedStatement

param - the position of the value in the statement

value - the value

getInt

public int getInt(ResultSet rs,
 int param)

Description copied from interface: ColumnMapping

Obtains a value from resultSet at position specified by exprIndex.

Specified by:

getInt in interface ColumnMapping

Overrides:

getInt in class AbstractColumnMapping

Parameters:

rs - ResultSet

param - the position of the value in the result

Returns:

the value

setByte

public void setByte(PreparedStatement ps,
 int param,
 byte value)

Description copied from interface: ColumnMapping

Sets a value into ps at position specified by paramIndex.

Specified by:

setByte in interface ColumnMapping

Overrides:

setByte in class AbstractColumnMapping

Parameters:

ps - PreparedStatement

param - the position of the value in the statement

value - the value

getByte

public byte getByte(ResultSet rs,
 int param)

Description copied from interface: ColumnMapping

Obtains a value from resultSet at position specified by exprIndex.

Specified by:

getByte in interface ColumnMapping

Overrides:

getByte in class AbstractColumnMapping

Parameters:

rs - ResultSet

param - the position of the value in the result

Returns:

the value

setBoolean

public void setBoolean(PreparedStatement ps,
 int param,
 boolean value)

Description copied from interface: ColumnMapping

Sets a value into ps at position specified by paramIndex.

Specified by:

setBoolean in interface ColumnMapping

Overrides:

setBoolean in class AbstractColumnMapping

Parameters:

ps - PreparedStatement

param - the position of the value in the statement

value - the value

getBoolean

public boolean getBoolean(ResultSet rs,
 int param)

Description copied from interface: ColumnMapping

Obtains a value from resultSet at position specified by exprIndex.

Specified by:

getBoolean in interface ColumnMapping

Overrides:

getBoolean in class AbstractColumnMapping

Parameters:

rs - ResultSet

param - the position of the value in the result

Returns:

the value

setDouble

public void setDouble(PreparedStatement ps,
 int param,
 double value)

Description copied from interface: ColumnMapping

Sets a value into ps at position specified by paramIndex.

Specified by:

setDouble in interface ColumnMapping

Overrides:

setDouble in class AbstractColumnMapping

Parameters:

ps - PreparedStatement

param - the position of the value in the statement

value - the value

getDouble

public double getDouble(ResultSet rs,
 int param)

Description copied from interface: ColumnMapping

Obtains a value from resultSet at position specified by exprIndex.

Specified by:

getDouble in interface ColumnMapping

Overrides:

getDouble in class AbstractColumnMapping

Parameters:

rs - ResultSet

param - the position of the value in the result

Returns:

the value

setFloat

public void setFloat(PreparedStatement ps,
 int param,
 float value)

Description copied from interface: ColumnMapping

Sets a value into ps at position specified by paramIndex.

Specified by:

setFloat in interface ColumnMapping

Overrides:

setFloat in class AbstractColumnMapping

Parameters:

ps - PreparedStatement

param - the position of the value in the statement

value - the value

getFloat

public float getFloat(ResultSet rs,
 int param)

Description copied from interface: ColumnMapping

Obtains a value from resultSet at position specified by exprIndex.

Specified by:

getFloat in interface ColumnMapping

Overrides:

getFloat in class AbstractColumnMapping

Parameters:

rs - ResultSet

param - the position of the value in the result

Returns:

the value

setShort

public void setShort(PreparedStatement ps,
 int param,
 short value)

Description copied from interface: ColumnMapping

Sets a value into ps at position specified by paramIndex.

Specified by:

setShort in interface ColumnMapping

Overrides:

setShort in class AbstractColumnMapping

Parameters:

ps - PreparedStatement

param - the position of the value in the statement

value - the value

getShort

public short getShort(ResultSet rs,
 int param)

Description copied from interface: ColumnMapping

Obtains a value from resultSet at position specified by exprIndex.

Specified by:

getShort in interface ColumnMapping

Overrides:

getShort in class AbstractColumnMapping

Parameters:

rs - ResultSet

param - the position of the value in the result

Returns:

the value

setLong

public void setLong(PreparedStatement ps,
 int param,
 long value)

Description copied from interface: ColumnMapping

Sets a value into ps at position specified by paramIndex.

Specified by:

setLong in interface ColumnMapping

Overrides:

setLong in class AbstractColumnMapping

Parameters:

ps - PreparedStatement

param - the position of the value in the statement

value - the value

getLong

public long getLong(ResultSet rs,
 int param)

Description copied from interface: ColumnMapping

Obtains a value from resultSet at position specified by exprIndex.

Specified by:

getLong in interface ColumnMapping

Overrides:

getLong in class AbstractColumnMapping

Parameters:

rs - ResultSet

param - the position of the value in the result

Returns:

the value

setObject

public void setObject(PreparedStatement ps,
 int param,
 Object value)

Description copied from interface: ColumnMapping

Sets a value into ps at position specified by paramIndex.

Specified by:

setObject in interface ColumnMapping

Overrides:

setObject in class AbstractColumnMapping

Parameters:

ps - PreparedStatement

param - the position of the value in the statement

value - the value

getObject

public Object getObject(ResultSet rs,
 int param)

Accessor for the value from a result set.

Specified by:

getObject in interface ColumnMapping

Overrides:

getObject in class AbstractColumnMapping

Parameters:

rs - Result Set

param - Position in result set

Returns:

The value of the object