ai.djl.timeseries.translator.TransformerTranslatorFactory Maven / Gradle / Ivy
/*
* Copyright 2022 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance
* with the License. A copy of the License is located at
*
* http://aws.amazon.com/apache2.0/
*
* or in the "license" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
* OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions
* and limitations under the License.
*/
package ai.djl.timeseries.translator;
import ai.djl.Model;
import ai.djl.timeseries.Forecast;
import ai.djl.timeseries.TimeSeriesData;
import ai.djl.translate.Translator;
import ai.djl.translate.TranslatorFactory;
import ai.djl.util.Pair;
import java.lang.reflect.Type;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
/** A {@link TranslatorFactory} that creates a {@link DeepARTranslator} instance. */
public class TransformerTranslatorFactory implements TranslatorFactory {
/** {@inheritDoc} */
@Override
public Set> getSupportedTypes() {
return Collections.singleton(new Pair<>(TimeSeriesData.class, Forecast.class));
}
/** {@inheritDoc} */
@Override
@SuppressWarnings("unchecked")
public Translator newInstance(
Class input, Class output, Model model, Map arguments) {
if (!isSupported(input, output)) {
throw new IllegalArgumentException("Unsupported input/output types.");
}
return (Translator) TransformerTranslator.builder(arguments).build();
}
}