File	Doc	Category	Size	Date	Package
StoreDataAccess.java	API Doc	Example	3823	Wed May 04 06:18:30 BST 2005	com.samscdrental.dataaccess

StoreDataAccess

• java.lang.Object

Fields Summary
public CDDiscDataAccess	theCDDiscDataAccess
public CustomerDataAccess	theCustomerDataAccess
public CDReleaseDataAccess	theCDReleaseDataAccess
private static StoreDataAccess	theCollections
private static final String	ERROR_OPENING_FILE
private static final String	ERROR_CREATING_OBJECT_STREAM
private static final String	ERROR_STREAM_NOT_CLOSED
private static String	DATA_FILENAME

Constructors Summary
private StoreDataAccess(boolean other) Configuration configuration = Configuration.getInstance(); DataAccessConfiguration dac = configuration.getDataAccessConfiguration(); DATA_FILENAME = dac.dataFilename; theCDDiscDataAccess = new CDDiscDataAccess(); theCustomerDataAccess = new CustomerDataAccess(); theCDReleaseDataAccess = new CDReleaseDataAccess();
private StoreDataAccess() Configuration configuration = Configuration.getInstance(); DataAccessConfiguration dac = configuration.getDataAccessConfiguration(); DATA_FILENAME = dac.dataFilename; // Read the serialized file FileInputStream fileinput = null; ObjectInputStream input = null; try { fileinput = new FileInputStream( DATA_FILENAME ); input = new ObjectInputStream( fileinput ); } catch ( FileNotFoundException exception ) { throw new SeriousErrorException( ERROR_OPENING_FILE + DATA_FILENAME, exception ); } catch ( IOException exception ) { throw new SeriousErrorException( ERROR_CREATING_OBJECT_STREAM + DATA_FILENAME, exception ); } theCDDiscDataAccess = ( CDDiscDataAccess ) DataAccessHelper.readObjectFromOpenStream( theCDDiscDataAccess.getClass(), input ); theCustomerDataAccess = ( CustomerDataAccess ) DataAccessHelper. readObjectFromOpenStream( theCustomerDataAccess.getClass(), input ); theCDReleaseDataAccess = ( CDReleaseDataAccess ) DataAccessHelper. readObjectFromOpenStream( theCDReleaseDataAccess.getClass(), input ); try { input.close(); } catch ( IOException exception ) { throw new SeriousErrorException( ERROR_STREAM_NOT_CLOSED + DATA_FILENAME, exception ); }

Methods Summary
public void	dispose() dispose try { FileOutputStream fileoutput = new FileOutputStream( DATA_FILENAME ); ObjectOutputStream output = new ObjectOutputStream( fileoutput ); DataAccessHelper.writeObjectToOpenStream( theCDDiscDataAccess, output ); DataAccessHelper.writeObjectToOpenStream( theCustomerDataAccess, output ); DataAccessHelper.writeObjectToOpenStream( theCDReleaseDataAccess, output ); output.close(); } catch ( FileNotFoundException exception ) { throw new SeriousErrorException( ERROR_OPENING_FILE + DATA_FILENAME, exception ); } catch ( IOException exception ) { throw new SeriousErrorException( ERROR_CREATING_OBJECT_STREAM + DATA_FILENAME, exception ); }
public static com.samscdrental.dataaccess.StoreDataAccess	getInstance() if ( theCollections == null ) { theCollections = new StoreDataAccess(); } return theCollections;
public static com.samscdrental.dataaccess.StoreDataAccess	makeNew() theCollections = new StoreDataAccess( true ); return theCollections;