metalog
Metalog. A low impact and highly performant structured meta logging library for Java.
1. Log messages are only generated if consumed
2. If consumed by multiple subscribers, the generation only occurs once.
3. Messages are based on CharSequence so everything does not have to be converted to a string
4. By default, log messages are consumed on worker threads
5. Channels represent things like ‘info’, ‘debug’, etc
6. Opt-in sequencing keys to maintain order of messages and provide dedicated consumption thread
7. Opt-out of worker threads and do processing on current thread.
// light
publish(() -> "Hello World");
// heavy
publish( () -> {
StringBuilder builder = new StringBuilder();
builder.append(e.getMessage());
builder.append(System.lineSeparator());
builder.append(someCostlyOperation());
return builder;
},
b -> b // Meta builder callback
.thrown(e) // retain exception
.thread() // retain current thread information
.time()); // retain current time
// hidden heavy
publish(this::someMethodToProduceTheMessage);
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