Package org.datanucleus.store.rdbms.mapping.column

Class RealColumnMapping

java.lang.Object

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

org.datanucleus.store.rdbms.mapping.column.RealColumnMapping

All Implemented Interfaces:

ColumnMapping

public class RealColumnMapping
extends AbstractColumnMapping

Mapping of a REAL column.

Field Summary

Fields inherited from class org.datanucleus.store.rdbms.mapping.column.AbstractColumnMapping

column, mapping, storeMgr

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
float	getFloat(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.
Object	getObject(ResultSet rs, int param)	Obtains a value from resultSet at position specified by exprIndex.
boolean	isDecimalBased()	Accessor for whether the mapping is decimal-based.
void	setFloat(PreparedStatement ps, int param, float 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 org.datanucleus.store.rdbms.mapping.column.AbstractColumnMapping

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

Methods inherited from class java.lang.Object

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

Constructor Detail

RealColumnMapping

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

Method Detail

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"

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

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