[WIP on-hold] Reimplement metric store in pure java#17890

Draft

andsel wants to merge 6 commits intoelastic:mainfrom

andsel:feature/reimplement_metric_store_in_pure_java

Commits on Jan 12, 2026

Implemented Java MetricStore as translation of the Ruby MetricStore. Ruby implementation is just a wrapper that uses and exposes the Java implementation
andsel
committed
Fixes failing test, the newly key_to_sym translation upon Java MetricStore (which contains just plain strings as keys) generates this problem, of flattening everything to string and later string to…
andsel
committed
Fixes a method dispatch problem in fetchOrStore to the Java MetricStore implementation
andsel
committed
Fixes an error in referring the Java's exception class, now it instantiates directly
andsel
committed
Fix, implements missed methods after hinheriting also from org.logstash.instrument.metrics.Metric
andsel
committed
Fix stats creation, in some cases the API _node/stats pipelines.main.batch.event_count and pipelines.main.batch.byte_size metric subdocuments doesn't exists while processing the response that make …
andsel
committed