sonarqube - How is Sonar eclipse plugin connected to Sonar -

i'm starting research sonar, , couldn't find information on eclipse plugin (java).

• why sonar plugin have hooked server? doesn't analysis happen locally?
• how sonar plugin connected platform according this architecture overview?

why sonar plugin have hooked server? doesn't analysis happen locally?

yes, analysis happen locally plugin needs talk server download quality profiles/rules associated project. code analyzers (which actual work of analysis) downloaded plugin on machine , called analysis.

how sonar plugin connected platform according [this architecture overview][1]?

when 'sonar plugin' assume mean sonar eclipse plugin. eclipse plugin sits eclipse ide , runs analysis in 'preview' mode no data published server. can think of sonar-runner integrated eclipse.