Package ai.djl.translate

Class DeferredTranslatorFactory

java.lang.Object

ai.djl.translate.DeferredTranslatorFactory

All Implemented Interfaces:

TranslatorFactory

public class DeferredTranslatorFactory
extends Object
implements TranslatorFactory

A TranslatorFactory that creates the Translator based on serving.properties file.

The Criteria API cannot access serving.properties files before it's downloaded. A DeferredTranslatorFactory assumes serving.properties will provide proper Translator. If no translatorFactory is provided in serving.properties, a TranslateException will be thrown.

Constructor Summary

Constructors

Constructor	Description
DeferredTranslatorFactory()

Method Summary

Modifier and Type	Method	Description
Set<ai.djl.util.Pair<Type,Type>>	getSupportedTypes()	Returns supported input/output classes.
boolean	isSupported(Class<?> input, Class<?> output)	Returns if the input/output is supported by the TranslatorFactory.
<I, O> Translator<I,O>	newInstance(Class<I> input, Class<O> output, Model model, Map<String,?> arguments)	Returns a new instance of the Translator class.

Methods inherited from class java.lang.Object

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

Constructor Details

DeferredTranslatorFactory

public DeferredTranslatorFactory()

Method Details

getSupportedTypes

public Set<ai.djl.util.Pair<Type,Type>> getSupportedTypes()

Returns supported input/output classes.

Specified by:

getSupportedTypes in interface TranslatorFactory

Returns:

a set of supported input/output classes

isSupported

public boolean isSupported(Class<?> input,
 Class<?> output)

Returns if the input/output is supported by the TranslatorFactory.

Specified by:

isSupported in interface TranslatorFactory

Parameters:

input - the input class

output - the output class

Returns:

true if the input/output type is supported

newInstance

public <I,
O> Translator<I,O> newInstance(Class<I> input,
 Class<O> output,
 Model model,
 Map<String,?> arguments)
                                  throws TranslateException

Returns a new instance of the Translator class.

Specified by:

newInstance in interface TranslatorFactory

Type Parameters:

I - the input data type

O - the output data type

Parameters:

input - the input class

output - the output class

model - the Model that uses the Translator

arguments - the configurations for a new Translator instance

Returns:

a new instance of the Translator class

Throws:

TranslateException - if failed to create Translator instance