org.apache.ojb.broker.accesslayer
Interface RowReader

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

RowReaderDefaultImpl

public interface RowReader

extends java.io.Serializable

Version:

$Id: RowReader.java 365232 2005-12-21 22:36:07Z tomdz $

Field Summary

static long

serialVersionUID

Method Summary

ClassDescriptor	getClassDescriptor() Returns the associated ClassDescriptor
void	readObjectArrayFrom(ResultSetAndStatement rs, java.util.Map row) Read all fields from the current ResultRow into the Object[] row.# ConversionStrategies are applied here!
java.lang.Object	readObjectFrom(java.util.Map row) materialize a single object from the values of the Map row.
void	readPkValuesFrom(ResultSetAndStatement rs, java.util.Map row) Read primary key fields from the current ResultRow into the Object[] row.# ConversionStrategies are applied here!
void	refreshObject(java.lang.Object instance, java.util.Map row) refresh an existing instance from the values of the Map row.
void	setClassDescriptor(ClassDescriptor cld) Set the descriptor this RowReader worked with.

Field Detail

serialVersionUID

public static final long serialVersionUID

See Also:

Constant Field Values

Method Detail

readObjectFrom

public java.lang.Object readObjectFrom(java.util.Map row)

materialize a single object from the values of the Map row. the implementor of this class must not care for materializing references or collection attributes, this is done later!

Parameters:

row - the Map containing the new values

Returns:

a properly created instance.

refreshObject

public void refreshObject(java.lang.Object instance,
                          java.util.Map row)

refresh an existing instance from the values of the Map row.

Parameters:

instance - the instance to refresh

row - the Map containing the new values

readObjectArrayFrom

public void readObjectArrayFrom(ResultSetAndStatement rs,
                                java.util.Map row)

Read all fields from the current ResultRow into the Object[] row.# ConversionStrategies are applied here!

readPkValuesFrom

public void readPkValuesFrom(ResultSetAndStatement rs,
                             java.util.Map row)

Read primary key fields from the current ResultRow into the Object[] row.# ConversionStrategies are applied here!

setClassDescriptor

public void setClassDescriptor(ClassDescriptor cld)

Set the descriptor this RowReader worked with.

getClassDescriptor

public ClassDescriptor getClassDescriptor()

Returns the associated ClassDescriptor