Package com.vivoka.vsdk.biometrics

Class Engine

java.lang.Object

com.vivoka.vsdk.biometrics.Engine

All Implemented Interfaces:

IEngine

public abstract class Engine
extends Object
implements IEngine

Abstract class representing the biometric engine.

Field Summary

Fields

Modifier and Type	Field	Description
protected final Map<String,Authenticator>	_authenticators
protected final Map<String,Identificator>	_identificators
protected final Map<String,Model>	_models

Constructor Summary

Constructors

Constructor	Description
Engine()

Method Summary

Modifier and Type	Method	Description
Authenticator	getAuthenticator(String name, Model model, IRecognizerListener listener)	Gets or creates an authenticator with the specified name and listener.
Identificator	getIdentificator(String name, Model model, IRecognizerListener listener)	Gets or creates a identificator with the specified name and listener.
Model	getModel(String name, ModelType type)	Gets or creates a model with the specified name and listener.
protected abstract Authenticator	makeAuthenticator(String name, Model model, IRecognizerListener listener)
protected abstract Identificator	makeIdentificator(String name, Model model, IRecognizerListener listener)
protected abstract Model	makeModel(String name, ModelType type)
void	removeAuthenticator(String name)	Removes the authenticator with the specified name by releasing the authenticator resources.
void	removeIdentificator(String name)	Removes the identificator with the specified name by releasing the identificator resources.
void	removeModel(String name)	Removes the model with the specified name by releasing the model resources.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.vivoka.vsdk.common.IEngine

init, init, release

Field Details

_identificators

protected final Map<String,Identificator> _identificators

_authenticators

protected final Map<String,Authenticator> _authenticators

_models

protected final Map<String,Model> _models

Constructor Details

Engine

public Engine()

Method Details

getAuthenticator

public Authenticator getAuthenticator(String name,
 Model model,
 IRecognizerListener listener)
                               throws Exception

Gets or creates an authenticator with the specified name and listener.

Parameters:

name - The name of the recognizer.

model - The model to use for authentication

listener - The listener to handle events. If the authenticator already exists, the listener will be overridden by the new one.

Returns:

The authenticator instance.

Throws:

Exception - If the authenticator cannot be created or found.

removeAuthenticator

public void removeAuthenticator(String name)
                         throws Exception

Removes the authenticator with the specified name by releasing the authenticator resources.

Parameters:

name - The name of the authenticator to remove.

Throws:

Exception - If the authenticator cannot be removed.

getIdentificator

public Identificator getIdentificator(String name,
 Model model,
 IRecognizerListener listener)
                               throws Exception

Gets or creates a identificator with the specified name and listener.

Parameters:

name - The name of the identificator.

model - The model to use for identificator

listener - The listener to handle identificator events. If the identificator already exists, the listener will be overridden by the new one.

Returns:

The identificator instance.

Throws:

Exception - If the identificator cannot be created or found.

removeIdentificator

public void removeIdentificator(String name)
                         throws Exception

Removes the identificator with the specified name by releasing the identificator resources.

Parameters:

name - The name of the identificator to remove.

Throws:

Exception - If the identificator cannot be removed.

getModel

public Model getModel(String name,
 ModelType type)
               throws Exception

Gets or creates a model with the specified name and listener.

Parameters:

name - The name of the model.

type - The type of the model TEXT_DEPENDANT or TEXT_INDEPENDANT.

Returns:

The model instance.

Throws:

Exception - If the model cannot be created or found.

removeModel

public void removeModel(String name)
                 throws Exception

Removes the model with the specified name by releasing the model resources.

Parameters:

name - The name of the model to remove.

Throws:

Exception - If the model cannot be removed.

makeAuthenticator

protected abstract Authenticator makeAuthenticator(String name,
 Model model,
 IRecognizerListener listener)
                                            throws Exception

Throws:

Exception

makeIdentificator

protected abstract Identificator makeIdentificator(String name,
 Model model,
 IRecognizerListener listener)
                                            throws Exception

Throws:

Exception

makeModel

protected abstract Model makeModel(String name,
 ModelType type)
                            throws Exception

Throws:

Exception