Class DoubleColumnMapping

java.lang.Object

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

org.datanucleus.store.rdbms.mapping.column.DoubleColumnMapping

All Implemented Interfaces:

ColumnMapping

Direct Known Subclasses:

FloatColumnMapping

public class DoubleColumnMapping
extends AbstractColumnMapping

Mapping of a DOUBLE column.

Field Summary

Fields inherited from class AbstractColumnMapping

column, mapping, storeMgr

Constructor Summary

Constructors

Constructor	Description
DoubleColumnMapping(JavaTypeMapping mapping, RDBMSStoreManager storeMgr, Column col)	Constructor.

Method Summary

Modifier and Type	Method	Description
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)	Obtains a value from resultSet at position specified by exprIndex.
private void	initialize()
boolean	isDecimalBased()	Accessor for whether the mapping is decimal-based.
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.

Methods inherited from class AbstractColumnMapping

equals, failureMessage, failureMessage, failureMessage, getBoolean, getByte, getChar, getColumn, getDatastoreAdapter, getInsertionInputParameter, getJavaTypeMapping, getShort, getString, getTypeInfo, getUpdateInputParameter, hashCode, includeInFetchStatement, initTypeInfo, insertValuesOnInsert, isBitBased, isBooleanBased, isIntegerBased, isNullable, isStringBased, setBoolean, setByte, setChar, setShort, setString, useDefaultWhenNull

Methods inherited from class Object

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

Constructor Details

DoubleColumnMapping

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

Constructor.

Parameters:

mapping - The java type mapping

storeMgr - Store Manager

col - Column

Method Details

initialize

private void initialize()

isDecimalBased

public boolean isDecimalBased()

Accessor for whether the mapping is decimal-based.

Specified by:

isDecimalBased in interface ColumnMapping

Overrides:

isDecimalBased in class AbstractColumnMapping

Returns:

Whether the mapping is decimal 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"

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

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

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

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

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

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)

Description copied from interface: ColumnMapping

Obtains a value from resultSet at position specified by exprIndex.

Specified by:

getObject in interface ColumnMapping

Overrides:

getObject in class AbstractColumnMapping

Parameters:

rs - ResultSet

param - the position of the value in the result

Returns:

the value