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Configurable TcpClient for ReactorNettyTcpClient

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Issue: SPR-17523
This commit is contained in:
Rossen Stoyanchev
2018-11-20 21:20:21 -05:00
parent fef0e21d8b
commit 24848ec1bc
2 changed files with 29 additions and 12 deletions
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24
spring-messaging/src/main/java/org/springframework/messaging/tcp/reactor/ReactorNettyTcpClient.java
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@@ -110,19 +110,41 @@ public class ReactorNettyTcpClient<P> implements TcpOperations<P> {
this.channelGroup = new DefaultChannelGroup(ImmediateEventExecutor.INSTANCE);
this.loopResources = LoopResources.create("tcp-client-loop");
this.poolResources = ConnectionProvider.elastic("tcp-client-pool");
this.codec = codec;
this.tcpClient = TcpClient.create(this.poolResources)
.host(host).port(port)
.runOn(this.loopResources, false)
.doOnConnected(conn -> this.channelGroup.add(conn.channel()));
}
/**
* A variant of {@link #ReactorNettyTcpClient(String, int, ReactorNettyCodec)}
* that still manages the lifecycle of the {@link TcpClient} and underlying
* resources, but allows for direct configuration of other properties of the
* client through a {@code Function<TcpClient, TcpClient>}.
* @param clientConfigurer the configurer function
* @param codec for encoding and decoding the input/output byte streams
* @since 5.1.3
* @see org.springframework.messaging.simp.stomp.StompReactorNettyCodec
*/
public ReactorNettyTcpClient(Function<TcpClient, TcpClient> clientConfigurer, ReactorNettyCodec<P> codec) {
Assert.notNull(codec, "ReactorNettyCodec is required");
this.channelGroup = new DefaultChannelGroup(ImmediateEventExecutor.INSTANCE);
this.loopResources = LoopResources.create("tcp-client-loop");
this.poolResources = ConnectionProvider.elastic("tcp-client-pool");
this.codec = codec;
this.tcpClient = clientConfigurer.apply(TcpClient
.create(this.poolResources)
.runOn(this.loopResources, false)
.doOnConnected(conn -> this.channelGroup.add(conn.channel())));
}
/**
* Constructor with an externally created {@link TcpClient} instance whose
* lifecycle is expected to be managed externally.
*
* @param tcpClient the TcpClient instance to use
* @param codec for encoding and decoding the input/output byte streams
* @see org.springframework.messaging.simp.stomp.StompReactorNettyCodec