Class BinaryStreamColumnMapping

java.lang.Object

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

org.datanucleus.store.rdbms.mapping.column.BinaryStreamColumnMapping

All Implemented Interfaces:

ColumnMapping

public class BinaryStreamColumnMapping
extends AbstractColumnMapping

Mapping of a BinaryStream column. Can be used to stream the contents of a File to/from the datastore.

Field Summary

Fields inherited from class AbstractColumnMapping

column, mapping, storeMgr

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
int	getJDBCType()	Method to return the java.sql.Types type that this relates to.
Object	getObject(ResultSet resultSet, int param)	Obtains a value from resultSet at position specified by exprIndex.
private void	initialize()
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, getDouble, getFloat, getInsertionInputParameter, getInt, getJavaTypeMapping, getLong, getShort, getString, getTypeInfo, getUpdateInputParameter, hashCode, includeInFetchStatement, initTypeInfo, insertValuesOnInsert, isBitBased, isBooleanBased, isDecimalBased, isIntegerBased, isNullable, isStringBased, setBoolean, setByte, setChar, setDouble, setFloat, setInt, setLong, setShort, setString, useDefaultWhenNull

Methods inherited from class Object

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

Constructor Details

BinaryStreamColumnMapping

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

Method Details

initialize

private void initialize()

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"

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 resultSet,
 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:

resultSet - ResultSet

param - the position of the value in the result

Returns:

the value