CloudDB

Last Updated On 2021-07-16

Version 1MinSDK 7Tutorial Video

Non-visible component that communicates with CloudDB server to store and retrieve information.

Properties

You can set the below properties in the UI part of the builder.

  • DefaultRedisServer - it's a string value which is set to blank by default.
  • ProjectID - it's a string value which is set to blank by default.
  • RedisPort - it's a integer value which is set to 6381 by default.
  • RedisServer - it's a string value which is set to default by default.
  • Token - it's a string value which is set to blank by default.
  • UseSSL - it's a boolean value which is set to true by default.

Block Properties

You can set the below blocks properties in the blocks section of the builder.

ProjectID

Gets the ProjectID for this CloudDB project.


RedisPort

The Redis Server port to use. Defaults to 6381


RedisServer

The Redis Server to use to store data. A setting of "DEFAULT" means that the MIT server will be used.



Methods

You can set the below method blocks in the blocks section of the builder.

AppendValueToList

Append a value to the end of a list atomically. If two devices use this function simultaneously, both will be appended and no data lost.

ClearTag

Remove the tag from CloudDB.

CloudConnected

returns True if we are on the network and will likely be able to connect to the CloudDB server.

GetTagList

Get the list of tags for this application. When complete a "TagList" event will be triggered with the list of known tags.

GetValue

Get the Value for a tag, doesn't return the value but will cause a GotValue event to fire when the value is looked up.

RemoveFirstFromList

Return the first element of a list and atomically remove it. If two devices use this function simultaneously, one will get the first element and the the other will get the second element, or an error if there is no available element. When the element is available, the "FirstRemoved" event will be triggered.

StoreValue

Store a value at a tag.


Events

You can set the below event blocks in the blocks section of the builder.

CloudDBError

Indicates that an error occurred while communicating with the CloudDB Redis server.

DataChanged

Indicates that the data in the CloudDB project has changed. Launches an event with the `tag`

FirstRemoved

Event triggered by the "RemoveFirstFromList" function. The argument "value" is the object that was the first in the list, and which is now removed.

GotValue

Indicates that a

TagList

Event triggered when we have received the list of known tags. Used with the "GetTagList" Function.