(Since 3.0.0‐beta). 5.5.2 Actuator interface It is used to execute user‐defined job interfaces and weave into the ElasticJob ecosystem through Java’ s SPI mechanism. 5.5. Job Open Ecosystem 18 6 User two kinds of job types: Class‐based job and Type‐based job. Class‐based jobs require developers to weave business logic by implementing interfaces; Type‐based jobs don’t need coding, just need to provide