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Avoid UUID.randomUUID() in Verticle deployment startup code #5974

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Avoid UUID.randomUUID() in Verticle deployment startup code #5974

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9 changes: 8 additions & 1 deletion src/main/java/io/vertx/core/impl/DeploymentManager.java
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;
import java.util.function.Function;

/**
Expand All @@ -38,6 +39,8 @@ public class DeploymentManager {

private static final Logger log = LoggerFactory.getLogger(DeploymentManager.class);

private static final AtomicLong nextId = new AtomicLong();

private final VertxImpl vertx;
private final Map<String, Deployment> deployments = new ConcurrentHashMap<>();

Expand All @@ -46,7 +49,11 @@ public DeploymentManager(VertxImpl vertx) {
}

private String generateDeploymentID() {
return UUID.randomUUID().toString();
if (vertx.isClustered() && vertx.haManager()!=null) {
// in this case we need a globally unique id
return UUID.randomUUID().toString();
}
return Long.valueOf(nextId.incrementAndGet()).toString();
}

public Future<String> deployVerticle(Callable<Verticle> verticleSupplier, DeploymentOptions options) {
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