[logback-user] log a whole transaction if a condition is satisfied

[Borja Ruiz]

Hello,

I'm writing an application and I would like to use logback features to model
this scenario:

My application processes client requests. Each request is identified by a
transaction id, that appears on each log message. What I want to do is log
all transaction messages if a condition in one transaction message is
satisfied.

For example, if my application generates those messages:

[INFO] [transactionId=10] Searching...
[INFO] [transactionId=11] Searching...
[INFO] [transactionId=10] response=false
[INFO] [transactionId=11] response=true
[INFO] [transactionId=10] Finished
[INFO] [transactionId=11] Finished

And my condition is that variable "response" is set to true, my application
output should be:

[INFO] [transactionId=11] Searching...
[INFO] [transactionId=11] response=true
[INFO] [transactionId=11] Finished

I've tried to figure out using buffered appenders to maintain log messages,
filters to check conditions and triggers to decide when to log messages, but
couldn't find a suitable solution. I would like to know if there is a way of
solving this problem using logback provided features, or ideas to develop my
own logback components.

Thanks a lot!
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