use of io.vertx.servicediscovery.ServiceDiscoveryOptions in project vertx-examples by vert-x3.
the class ServiceDiscoveryVerticle method start.
@Override
public void start() {
ServiceDiscovery discovery = ServiceDiscovery.create(vertx, new ServiceDiscoveryOptions().setAnnounceAddress("service-announce").setName("my-name"));
// create a new custom record
Record record1 = new Record().setType("eventbus-service-proxy").setLocation(new JsonObject().put("endpoint", "the-service-address")).setName("my-service").setMetadata(new JsonObject().put("some-label", "some-value"));
// publish "my-service" service
discovery.publish(record1, ar -> {
if (ar.succeeded()) {
System.out.println("\"" + record1.getName() + "\" successfully published!");
Record publishedRecord = ar.result();
} else {
// publication failed
}
});
// create a record from type
Record record2 = HttpEndpoint.createRecord("some-rest-api", "localhost", 8080, "/api");
// publish the service
discovery.publish(record2, ar -> {
if (ar.succeeded()) {
System.out.println("\"" + record2.getName() + "\" successfully published!");
Record publishedRecord = ar.result();
} else {
// publication failed
}
});
// unpublish "my-service"
discovery.unpublish(record1.getRegistration(), ar -> {
if (ar.succeeded()) {
System.out.println("\"" + record1.getName() + "\" successfully unpublished");
} else {
// cannot un-publish the service, may have already been removed, or the record is not published
}
});
// consuming a service
discovery.getRecord(r -> r.getName().equals(record2.getName()), ar -> {
if (ar.succeeded()) {
if (ar.result() != null) {
// Retrieve the service reference
ServiceReference reference = discovery.getReference(ar.result());
// Retrieve the service object
HttpClient client = reference.get();
System.out.println("Consuming \"" + record2.getName() + "\"");
client.getNow("/api", response -> {
// release the service
reference.release();
});
}
}
});
discovery.close();
}
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