[slf4j-dev] Planned/possible fluent API change

[Ceki Gülcü]

Hello all,

In SLF4J-526, Adrian Shum proposed to modify the fluent API.

Currently, to emit a debug message with two parameters, one has to write
the following

logger.atDebug()
        .addArgument(country).addArgument(oldTemp).addArgument(newTemp)
        .log("Temperature of {} rise from {} to {}");

He proposes that the API be changed to

logger.atDebug()
        .message("Temperature of {} rise from {} to {}" )
        .arg(country).arg(oldTemp).arg(newTemp).log();


I think his suggestion makes sense with one inconvenience. In case the
user forgets to call the no-argument log() method, then nothing will
happen, i.e. no logging will occur. With the current API, it is harder
for the user to forget the log(String) method containing the message
content.

Before going forward with Adrian's proposal or not, I would like to
receive input by interested parties.

Best regards,

[1] https://jira.qos.ch/browse/SLF4J-526

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Ceki Gülcü