Examples of io.vertx.core.json.JsonObject

io.vertx.core.json.JsonObject
org">Tim Fox


  // Add some information on a deployment in the cluster so other nodes know about it
  private void addToHA(String deploymentID, String verticleName, DeploymentOptions deploymentOptions) {
    String encoded;
    synchronized (haInfo) {
      JsonObject verticleConf = new JsonObject().put("dep_id", deploymentID);
      verticleConf.put("verticle_name", verticleName);
      verticleConf.put("options", deploymentOptions.toJson());
      JsonArray haMods = haInfo.getJsonArray("verticles");
      haMods.add(verticleConf);
      encoded = haInfo.encode();
      clusterMap.put(nodeID, encoded);
    }

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      String chosen = chooseHashedNode(group, failedNodeID.hashCode());
      if (chosen != null && chosen.equals(this.nodeID)) {
        if (deployments != null) {
          log.info("Node " + failedNodeID + " has failed. This node will deploy " + deployments.size() + " deployments from that node.");
          for (Object obj: deployments) {
            JsonObject app = (JsonObject)obj;
            processFailover(app);
          }
        }
        // Failover is complete! We can now remove the failed node from the cluster map
        clusterMap.remove(failedNodeID);

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    final CountDownLatch latch = new CountDownLatch(1);
    final AtomicReference<Throwable> err = new AtomicReference<>();
    // Now deploy this verticle on this node
    ContextImpl ctx = vertx.getContext();
    vertx.setContext(null);
    JsonObject options = failedVerticle.getJsonObject("options");
    doDeployVerticle(verticleName, new DeploymentOptions(options), result -> {
      if (result.succeeded()) {
        log.info("Successfully redeployed verticle " + verticleName + " after failover");
      } else {
        log.error("Failed to redeploy verticle after failover", result.cause());

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    List<String> nodes = clusterManager.getNodes();
    ArrayList<String> matchingMembers = new ArrayList<>();
    for (String node: nodes) {
      String sclusterInfo = clusterMap.get(node);
      if (sclusterInfo != null) {
        JsonObject clusterInfo = new JsonObject(sclusterInfo);
        String memberGroup = clusterInfo.getString("group");
        if (group.equals(memberGroup)) {
          matchingMembers.add(node);
        }
      }
    }

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                        Handler<AsyncResult<String>> completionHandler,
                        ClassLoader tccl, Redeployer redeployer, Verticle... verticles) {
    if (options.isMultiThreaded() && !options.isWorker()) {
      throw new IllegalArgumentException("If multi-threaded then must be worker too");
    }
    JsonObject conf = options.getConfig() == null ? new JsonObject() : options.getConfig().copy(); // Copy it


    DeploymentImpl deployment = new DeploymentImpl(deploymentID, identifier, options, redeployer, parentContext);


    Deployment parent = parentContext.getDeployment();
    if (parent != null) {

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    this.isolationGroup = isolationGroup;
    return this;
  }


  public JsonObject toJson() {
    JsonObject json = new JsonObject();
    if (worker) json.put("worker", true);
    if (multiThreaded) json.put("multiThreaded", true);
    if (isolationGroup != null) json.put("isolationGroup", isolationGroup);
    if (ha) json.put("ha", true);
    if (config != null) json.put("config", config);
    if (extraClasspath != null) json.put("extraClasspath", new JsonArray(extraClasspath));
    if (instances != DEFAULT_INSTANCES) {
      json.put("instances", instances);
    }
    if (redeploy != DEFAULT_REDEPLOY) {
      json.put("redeploy", redeploy);
    }
    if (redeployScanPeriod != DEFAULT_REDEPLOY_SCAN_PERIOD) {
      json.put("redeployScanPeriod", redeployScanPeriod);
    }
    if (redeployGracePeriod != DEFAULT_REDEPLOY_GRACE_PERIOD) {
      json.put("redeployGracePeriod", redeployGracePeriod);
    }
    return json;
  }

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    } else {
      instances = 1;
    }


    String confArg = args.map.get("-conf");
    JsonObject conf;


    if (confArg != null) {
      try (Scanner scanner = new Scanner(new File(confArg)).useDelimiter("\\A")){
        String sconf = scanner.next();
        try {
          conf = new JsonObject(sconf);
        } catch (DecodeException e) {
          log.error("Configuration file " + sconf + " does not contain a valid JSON object");
          return;
        }
      } catch (FileNotFoundException e) {
        try {
          conf = new JsonObject(confArg);
        } catch (DecodeException e2) {
          log.error("-conf option does not point to a file and is not valid JSON: " + confArg);
          return;
        }
      }

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      if (copy) {
        val = ((JsonArray) val).copy();
      }
    } else if (val instanceof Map) {
      if (copy) {
        val = (new JsonObject((Map)val)).copy();
      } else {
        val = new JsonObject((Map)val);
      }
    } else if (val instanceof List) {
      if (copy) {
        val = (new JsonArray((List)val)).copy();
      } else {

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    assertNull(jsonArray.getBinary(2));
  }


  @Test
  public void testGetJsonObject() {
    JsonObject obj = new JsonObject().put("foo", "bar");    
    jsonArray.add(obj);
    assertEquals(obj, jsonArray.getJsonObject(0));
    try {
      jsonArray.getJsonObject(-1);
      fail();

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    assertEquals(false, jsonArray.getValue(4));
    jsonArray.add(true);
    assertEquals(true, jsonArray.getValue(5));
    jsonArray.add("bar");
    assertEquals("bar", jsonArray.getValue(6));
    JsonObject obj = new JsonObject().put("blah", "wibble");
    jsonArray.add(obj);
    assertEquals(obj, jsonArray.getValue(7));
    JsonArray arr = new JsonArray().add("blah").add("wibble");
    jsonArray.add(arr);
    assertEquals(arr, jsonArray.getValue(8));

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