marf.Storage
Class Database

java.lang.Object
  marf.Storage.StorageManager
      marf.Storage.Database

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, IDatabase, IStorageManager

public class Database
extends StorageManager
implements IDatabase

Subject database. To be used by an application to contain information about known subjects (speakers, instruments, languages, etc).

$Id: Database.java,v 1.11 2007/12/23 06:29:46 mokhov Exp $

Since:

0.3.0.2

Version:

$Revision: 1.11 $

Author:

Serguei Mokhov

See Also:

Serialized Form

Field Summary

protected boolean

bConnected Indicates whether we are connected or not.

Fields inherited from class marf.Storage.StorageManager

bDumpOnNotFound, iCurrentDumpMode, oObjectToSerialize, strFilename

Fields inherited from interface marf.Storage.IDatabase

MARF_INTERFACE_CODE_REVISION

Fields inherited from interface marf.Storage.IStorageManager

DUMP_BINARY, DUMP_CSV_TEXT, DUMP_GZIP_BINARY, DUMP_HTML, DUMP_SQL, DUMP_XML, MARF_INTERFACE_CODE_REVISION, STORAGE_FILE_EXTENSIONS

Constructor Summary

Database()
Default constructor with the StorageManager.

Method Summary

void	backSynchronizeObject() Implementation of back-synchronization of Database loaded object.
java.lang.Object	clone() Implements Cloneable interface for the Database object.
void	close() Closes (file) database connection.
void	connect() Connects to the database of subjects.
int	getIDByFilename(java.lang.String pstrFileName, boolean pbTraining) Given ID, fetches the corresponding filename.
static java.lang.String	getMARFSourceCodeRevision() Returns source code revision information.
java.lang.String	getName(int piID) Retrieves subject's name by their ID.
void	query() Retrieves subject's data from the database and populates internal data structures.
java.lang.String	toString() Default implementation of the toString() for all storage manager derivatives.

Methods inherited from class marf.Storage.StorageManager

dump, dumpBinary, dumpCSV, dumpGzipBinary, dumpHTML, dumpSQL, dumpXML, enableDumpOnNotFound, equals, getDefaultExtension, getDefaultExtension, getDumpMode, getFilename, getObjectToSerialize, hashCode, restore, restoreBinary, restoreCSV, restoreGzipBinary, restoreHTML, restoreSQL, restoreXML, setDumpMode, setFilename

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

bConnected

protected boolean bConnected

Indicates whether we are connected or not.

Constructor Detail

Database

public Database()

Default constructor with the StorageManager.

See Also:

StorageManager

Method Detail

getIDByFilename

public int getIDByFilename(java.lang.String pstrFileName,
                           boolean pbTraining)
                    throws StorageException

Given ID, fetches the corresponding filename. Retrieves Speaker's ID by a sample filename.

Specified by:

getIDByFilename in interface IDatabase

Parameters:

pstrFileName - Name of a .wav file for which ID must be returned

pbTraining - indicates whether the filename is a training (true) sample or testing (false)

Returns:

int ID, -1 if not found

Throws:

StorageException

getName

public java.lang.String getName(int piID)
                         throws StorageException

Retrieves subject's name by their ID.

Specified by:

getName in interface IDatabase

Parameters:

piID - ID of a subject in the DB to return a name for

Returns:

name string

Throws:

StorageException

connect

public void connect()
             throws StorageException

Connects to the database of subjects.

Specified by:

connect in interface IDatabase

Throws:

StorageException

query

public void query()
           throws StorageException

Retrieves subject's data from the database and populates internal data structures.

Specified by:

query in interface IDatabase

Throws:

StorageException

close

public void close()
           throws StorageException

Closes (file) database connection.

Specified by:

close in interface IDatabase

Throws:

StorageException

backSynchronizeObject

public void backSynchronizeObject()

Implementation of back-synchronization of Database loaded object.

Overrides:

backSynchronizeObject in class StorageManager

Since:

0.3.0.5

See Also:

StorageManager.restore()

toString

public java.lang.String toString()

Default implementation of the toString() for all storage manager derivatives.

Overrides:

toString in class StorageManager

Since:

0.3.0.5

See Also:

Object.toString()

clone

public java.lang.Object clone()

Implements Cloneable interface for the Database object.

Overrides:

clone in class StorageManager

Since:

0.3.0.5

See Also:

Object.clone()

getMARFSourceCodeRevision

public static java.lang.String getMARFSourceCodeRevision()

Returns source code revision information.

Returns:

revision string