io.micronaut.reactive.flow.converters.FlowConverterRegistrar Maven / Gradle / Ivy
/*
* Copyright 2017-2020 original authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License 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 io.micronaut.reactive.flow.converters;
import io.micronaut.context.annotation.Requires;
import io.micronaut.core.convert.ConversionService;
import io.micronaut.core.convert.TypeConverterRegistrar;
import io.reactivex.Flowable;
import kotlinx.coroutines.flow.Flow;
import kotlinx.coroutines.reactive.ReactiveFlowKt;
import org.reactivestreams.Publisher;
import javax.inject.Singleton;
import java.util.function.Function;
/**
* Converts between a {@link Flow} and a {@link Publisher}.
*
* @author Konrad Kamiński
* @since 1.3
*/
@Singleton
@Requires(classes = {Flow.class, ReactiveFlowKt.class})
public class FlowConverterRegistrar implements TypeConverterRegistrar {
@Override
public void register(ConversionService> conversionService) {
// Flow
conversionService.addConverter(Flow.class, Flowable.class, (Function) flow ->
Flowable.fromPublisher(ReactiveFlowKt.asPublisher(flow))
);
conversionService.addConverter(Flow.class, Publisher.class, ReactiveFlowKt::asPublisher);
conversionService.addConverter(Publisher.class, Flow.class, ReactiveFlowKt::asFlow);
}
}