Flow Queue Bus
Message dequeued from queue Queue Name
Flow Queue Bus
Queue bus for messages in flows
The first version of the Queue Flow Bus.
This app makes it possible to synchronize messages via named queues. Ideally for triggers that interfere with one another.
The queuing system always works in a very straightforward way:
[QUEUE] → [PROCESS] → [MARK AS HANDLED/FAILED]
A queue is based on the principle "First In, First Out" (FIFO).
As soon as you queue a new message, processing starts right away, unless there are messages before.
CAUTION: you are responsible for marking messages as handled or failed manually via an action card. Otherwise the queue will become blocked and no new triggers will be fired, because the message that is being processed will remain in the first position of the queue. You can retrieve the current message that is being processed at any time via an action card, if you missed the processing trigger.
As long as a message is not being processed, it can be dequeued. As soon as a message pops from a queue (the processing trigger will fire), it's considered as processing and can only be marked as handled or as failed to remove it from its queue (with exception of the Clear Queue action card).
Messages are NOT persisted. If the app would become restarted, all queues will be empty.
Flow cards
When...
When an unprocessed message was removed from a named queue.
Flow Queue Bus
Message failed from queue Queue Name
When a processed message from a named queue was marked as failed or maximum number of attempts has been reached. That message is no longer inside the queue.
Flow Queue Bus
Message handled from queue Queue Name
When a pocessed message from a named queue was marked as handled. That message is no longer inside the queue.
Flow Queue Bus
Message processing in queue Queue Name
When a message from a named queue is being processed. This could be a new message, or a message that is being retried (refer to token attempts to see how many times the message has been retried). CAUTION: the message must be marked as handled or failed manually via an action card, or the queue will become blocked and no new triggers will be fired.
Then...
Flow Queue Bus
Clear queue Queue Name
Clears the entire named queue (including the message that is being processed). Separate triggers will fire for each message that was in the queue.
Flow Queue Bus
Dequeue message Message ID from queue Queue Name
Dequeues a message that was not being processed from a named queue.
Flow Queue Bus
Dequeue all non-processed messages from queue Queue Name
Dequeues all messages that have not yet been processed. Separate triggers will fire for each message that was in the queue.
Flow Queue Bus
Mark message Message ID as failed in queue Queue Name and process next (if any)
Marks the message that was being processed as failed, removes it from the named queue and starts processing the next message (if any).
Flow Queue Bus
Get the processing message in queue Queue Name
Gets the message that is currently being processed (if any).
Advanced
Flow Queue Bus
Get the processing message in queue Queue Name and with default value Default Value when no message is being processed
Gets the message that is currently being processed (if any) and returns a default value (for token message) when no message is being processed.
Advanced
Flow Queue Bus
Mark message Message ID as handled in queue Queue Name and process next (if any)
Marks the message that was being processed as handled, removes it from the named queue and starts processing the next message (if any).
Flow Queue Bus
Place Message in queue Queue Name
Queues a message onto a named queue.
Advanced
Flow Queue Bus
Place message in queue Queue Name as only message
Queues a message onto a named queue and dequeues all messages that have not yet been processed. Separate triggers will fire for each message that was in the queue.
Advanced
Flow Queue Bus
Retry message Message ID maximum Maximum Attempts times in queue Queue Name
Retries the message that was being processed immediately with a specified maximum number of attempts. The message remains in the queue. When the maximum number of attempts is reached, the message will be marked as failed and a separate trigger will be fired.
Flow Queue Bus
Retry Message ID maximum Maximum Attempts times, each time with a delay of Delay millisonds in queue Queue Name
Retries the message that was being processed with a specified maximum number of attempts after the specified delay (in milliseconds). The message remains in the queue. When the maximum number of attempts is reached, the message will be marked as failed and a separate trigger will be fired.
Support
Having an issue with this app? Contact the developer via the Homey Community Forum.
What’s new
Version 1.0.2 — Bug fix in Tokens
Flow Queue Bus
Flow Queue Bus is not compatible with the selected Homey.
Flow Queue Bus will install on Homey shortly.
Changelog
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