marf.Storage
Interface IDatabase

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

Database

public interface IDatabase

extends java.io.Serializable

Subject database interface.

$Id: IDatabase.java,v 1.7 2005/12/24 19:47:39 mokhov Exp $

Since:

0.3.0

Version:

$Revision: 1.7 $

Author:

Serguei Mokhov

Field Summary

static java.lang.String	MARF_INTERFACE_CODE_REVISION Interface source code revision.
static long	serialVersionUID For serialization versioning.

Method Summary

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.
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.

Field Detail

MARF_INTERFACE_CODE_REVISION

public static final java.lang.String MARF_INTERFACE_CODE_REVISION

Interface source code revision.

See Also:

Constant Field Values

serialVersionUID

public static final long serialVersionUID

For serialization versioning. When adding new members or make other structural changes regenerate this number with the serialver tool that comes with JDK.

Since:

0.3.0.5

See Also:

Constant Field Values

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.

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.

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.

Throws:

StorageException

query

public void query()
           throws StorageException

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

Throws:

StorageException

close

public void close()
           throws StorageException

Closes (file) database connection.

Throws:

StorageException