49 lines
1.3 KiB
Java
49 lines
1.3 KiB
Java
package it.cavallium.dbengine.database.remote;
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import io.netty.handler.codec.ByteToMessageCodec;
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import java.util.function.Supplier;
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import reactor.core.publisher.Flux;
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import reactor.core.publisher.Mono;
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import reactor.core.publisher.Sinks.Empty;
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import reactor.netty.NettyOutbound;
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public class MappedStream <SEND, RECV> implements AutoCloseable {
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private final Flux<RECV> inConn;
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private final NettyOutbound outConn;
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private final Supplier<ByteToMessageCodec<? super SEND>> outCodec;
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private final Empty<Void> streamTerminator;
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public MappedStream(NettyOutbound outConn, Supplier<ByteToMessageCodec<? super SEND>> outCodec, Flux<RECV> inConn, Empty<Void> streamTerminator) {
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this.inConn = inConn;
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this.outConn = outConn;
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this.outCodec = outCodec;
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this.streamTerminator = streamTerminator;
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}
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private NettyOutbound getOut() {
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return outConn.withConnection(conn -> conn.addHandler(outCodec.get()));
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}
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public Mono<Void> send(SEND item) {
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return getOut().sendObject(item).then();
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}
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public Mono<Void> sendMany(Flux<SEND> items) {
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return getOut().sendObject(items).then();
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}
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public Mono<RECV> receive() {
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return inConn.take(1, true).singleOrEmpty();
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}
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public Flux<RECV> receiveMany() {
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return inConn.hide();
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}
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@Override
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public void close() {
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streamTerminator.tryEmitEmpty();
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}
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}
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