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Add support for RxJava 2

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This commit adds support for RxJava 2 Completable,
Single, Observable and Flowable types (io.reactivex package).

Issue: SPR-14628
This commit is contained in:
Sebastien Deleuze
2016-09-01 14:43:59 +02:00
parent b4641b2306
commit 48d67a245b
8 changed files with 263 additions and 0 deletions
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33
spring-core/src/main/java/org/springframework/core/ReactiveAdapterRegistry.java
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@@ -23,8 +23,11 @@ import java.util.concurrent.CompletableFuture;
import java.util.function.Function;
import java.util.function.Predicate;
import io.reactivex.BackpressureStrategy;
import io.reactivex.Flowable;
import org.reactivestreams.Publisher;
import reactor.adapter.RxJava1Adapter;
import reactor.adapter.RxJava2Adapter;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import rx.Completable;
@@ -48,6 +51,9 @@ public class ReactiveAdapterRegistry {
private static final boolean rxJava1Present =
ClassUtils.isPresent("rx.Observable", ReactiveAdapterRegistry.class.getClassLoader());
private static final boolean rxJava2Present =
ClassUtils.isPresent("io.reactivex.Flowable", ReactiveAdapterRegistry.class.getClassLoader());
private final Map<Class<?>, ReactiveAdapter> adapterMap = new LinkedHashMap<>(4);
@@ -72,6 +78,9 @@ public class ReactiveAdapterRegistry {
if (rxJava1Present) {
new RxJava1AdapterRegistrar().register(this);
}
if (rxJava2Present) {
new RxJava2AdapterRegistrar().register(this);
}
}
@@ -269,4 +278,28 @@ public class ReactiveAdapterRegistry {
}
}
private static class RxJava2AdapterRegistrar {
public void register(ReactiveAdapterRegistry registry) {
registry.registerFluxAdapter(Flowable.class,
source -> RxJava2Adapter.flowableToFlux((Flowable<?>) source),
RxJava2Adapter::fluxToFlowable
);
registry.registerFluxAdapter(io.reactivex.Observable.class,
source -> RxJava2Adapter.observableToFlux((io.reactivex.Observable<?>) source, BackpressureStrategy.BUFFER),
RxJava2Adapter::fluxToObservable
);
registry.registerMonoAdapter(io.reactivex.Single.class,
source -> RxJava2Adapter.singleToMono((io.reactivex.Single<?>) source),
RxJava2Adapter::monoToSingle,
new ReactiveAdapter.Descriptor(false, false, false)
);
registry.registerMonoAdapter(io.reactivex.Completable.class,
source -> RxJava2Adapter.completableToMono((io.reactivex.Completable) source),
RxJava2Adapter::monoToCompletable,
new ReactiveAdapter.Descriptor(false, true, true)
);
}
}
}