protected void instanceNodeUpdated()

in twill-core/src/main/java/org/apache/twill/internal/TwillContainerLauncher.java [179:197]

• 19 lines of code
• 6 McCabe index (conditional complexity)

    protected void instanceNodeUpdated(NodeData nodeData) {
      if (nodeData == null ||  nodeData.getData() == null) {
        LOG.warn("Instance node was updated but data is null.");
        return;
      }
      try {
        Gson gson = new Gson();
        JsonElement json = gson.fromJson(new String(nodeData.getData(), Charsets.UTF_8), JsonElement.class);
        if (json.isJsonObject()) {
          JsonElement data = json.getAsJsonObject().get("data");
          if (data != null) {
            this.liveData = gson.fromJson(data, ContainerLiveNodeData.class);
            LOG.info("Container LiveNodeData updated: " + new String(nodeData.getData(), Charsets.UTF_8));
          }
        }
      } catch (Throwable t) {
        LOG.warn("Error deserializing updated instance node data", t);
      }
    }