com.sleepycat.bdb.bind
Interface EntityBinding

All Known Implementing Classes:

SerialSerialBinding, TupleSerialBinding, TupleTupleBinding

public interface EntityBinding

The interface implemented by all entity or key/data-to-object bindings.

Method Summary

Object	dataToObject(DataBuffer key, DataBuffer value) Converts key and value data buffers into an entity Object.
DataFormat	getKeyFormat() Returns the format used for the key data of this binding.
DataFormat	getValueFormat() Returns the format used for the value data of this binding.
void	objectToKey(Object object, DataBuffer key) Extracts the key data from an entity Object.
void	objectToValue(Object object, DataBuffer value) Extracts the value data from an entity Object.

Method Detail

dataToObject

public Object dataToObject(DataBuffer key,
                           DataBuffer value)
                    throws IOException

Converts key and value data buffers into an entity Object.

Parameters:

key - is the source key data.

value - is the source value data.

Returns:

the resulting Object.

IOException

objectToKey

public void objectToKey(Object object,
                        DataBuffer key)
                 throws IOException

Extracts the key data from an entity Object.

Parameters:

object - is the source Object.

key - is the destination data buffer.

IOException

objectToValue

public void objectToValue(Object object,
                          DataBuffer value)
                   throws IOException

Extracts the value data from an entity Object.

Parameters:

object - is the source Object.

value - is the destination data buffer.

IOException

getKeyFormat

public DataFormat getKeyFormat()

Returns the format used for the key data of this binding.

Returns:

the key data format.

getValueFormat

public DataFormat getValueFormat()

Returns the format used for the value data of this binding.

Returns:

the value data format.