25 lines
785 B
Java
25 lines
785 B
Java
import io.nats.client.Connection;
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import io.nats.client.Dispatcher;
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import io.nats.client.Nats;
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public class Subscriber {
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public static void main(String[] args) throws Exception {
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Connection nc = Nats.connect("nats://nats:4222");
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Dispatcher dispatcher = nc.createDispatcher(msg -> {
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String received = new String(msg.getData()).trim();
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String[] parts = received.split(",");
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if (parts.length >= 2) {
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int counter = Integer.parseInt(parts[0].trim());
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long sendTime = Long.parseLong(parts[1].trim());
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long latency = System.currentTimeMillis() - sendTime;
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System.out.printf("Received: %d | Latency: %d ms%n", counter, latency);
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}
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});
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dispatcher.subscribe("demo.subject");
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Thread.sleep(Long.MAX_VALUE);
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}
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}
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