org.semanticdesktop.aperture.accessor.base
Class DataObjectBase

java.lang.Object
  org.semanticdesktop.aperture.accessor.base.DataObjectBase

All Implemented Interfaces:

DataObject

Direct Known Subclasses:

FileDataObjectBase, FolderDataObjectBase, MessageDataObjectBase

public class DataObjectBase
extends Object
implements DataObject

A trivial default implementation of DataObject.

Constructor Summary

DataObjectBase()

DataObjectBase(URI id, DataSource dataSource, RDFContainer metadata)

Method Summary

void	dispose() Closes this DataObject, freeing any resources that it keeps hold of.
void	finalize()
DataSource	getDataSource() Gets the DataSource from which this DataObject was obtained.
URI	getID() Gets the DataObject's primary identifier.
RDFContainer	getMetadata() Get the metadata describing this DataObject's ID.
DataObject	getWrappedDataObject()
protected boolean	isDisposed()
void	setDataSource(DataSource dataSource)
void	setID(URI id)
void	setMetadata(RDFContainer metadata)
void	setWrappedDataObject(DataObject wrappedDataObject)

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DataObjectBase

public DataObjectBase()

DataObjectBase

public DataObjectBase(URI id,
                      DataSource dataSource,
                      RDFContainer metadata)

Method Detail

finalize

public void finalize()
              throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

setID

public void setID(URI id)

getID

public URI getID()

Description copied from interface: DataObject

Gets the DataObject's primary identifier.

Specified by:

getID in interface DataObject

Returns:

An identifier for this DataObject.

setDataSource

public void setDataSource(DataSource dataSource)

getDataSource

public DataSource getDataSource()

Description copied from interface: DataObject

Gets the DataSource from which this DataObject was obtained.

Specified by:

getDataSource in interface DataObject

Returns:

The DataSource from which this DataObject originated.

setMetadata

public void setMetadata(RDFContainer metadata)

getMetadata

public RDFContainer getMetadata()

Description copied from interface: DataObject

Get the metadata describing this DataObject's ID.

Specified by:

getMetadata in interface DataObject

Returns:

An RDFContainer containing an RDF model formulated using the Aperture vocabulary.

dispose

public void dispose()

Description copied from interface: DataObject

Closes this DataObject, freeing any resources that it keeps hold of. This method disposes the underlying metadata RDFContainer. It doesn't dispose the DataSource. The metadata RDFContainer cannot be used after the call to this method.

Specified by:

dispose in interface DataObject

getWrappedDataObject

public DataObject getWrappedDataObject()

setWrappedDataObject

public void setWrappedDataObject(DataObject wrappedDataObject)

isDisposed

protected boolean isDisposed()