/** Iterate and deploy verticles */
private void deployVerticle(final Message<JsonObject> event) {
// iterate over all candidates to be deployed
Set<String> candidates = this.workingCopy.fieldNames();
// detach from underlying json
Map<String, JsonObject> initiants = new HashMap<>();
candidates.forEach(
id -> {
JsonObject info = this.workingCopy.getJsonObject(id);
JsonArray dependsOn = info.getJsonArray("dependsOn");
if (dependsOn != null && deployed.getList().containsAll(dependsOn.getList())
|| dependsOn == null
|| dependsOn.isEmpty()) {
initiants.put(id, info);
}
});
// remove the initiants
initiants.keySet().forEach(id -> this.workingCopy.remove(id));
// setup latch for the reply
CountDownLatch latch = new CountDownLatch(initiants.size());
if (initiants.isEmpty()) {
event.reply(Boolean.TRUE);
return;
}
// run over all dependencies
initiants.forEach(
(id, info) -> {
// get the name of the verticle
String name = info.getString("name");
final JsonObject localConfig = new JsonObject();
localConfig.mergeIn(globalConfig);
localConfig.mergeIn(info.getJsonObject("config", new JsonObject()));
Handler<AsyncResult<String>> handler =
innerEvent -> {
if (innerEvent.succeeded()) {
// add service to deployed-list
deployed.add(id);
// re-emit
vertx
.eventBus()
.send(
LOOPBACK,
workingCopy,
(AsyncResult<Message<Boolean>> recursiveReply) -> {
// always decrease latch
latch.countDown();
if (recursiveReply.succeeded() && recursiveReply.result().body()) {
if (latch.getCount() == 0) {
event.reply(recursiveReply.result().body() & Boolean.TRUE);
}
} else {
event.fail(500, this.getFailure(id, recursiveReply));
}
});
} else {
event.fail(500, id + " >> " + innerEvent.cause().getMessage());
}
};
LOG.log(Level.INFO, "Deploying: ''{0}''", new Object[] {id});
DeploymentOptions deploymentOptions = new DeploymentOptions(info);
vertx.deployVerticle(name, deploymentOptions.setConfig(localConfig), handler);
});
}
