Components for Executing Batch Jobs

A specification that defines the lower-level Steps and the properties of the job in order to execute a batch job, and is defined to have a unique name (ID) within the batch application.

A parameter passed to execute a batch job. Parameters are processed in the form of "key=value".

Example) startDate=20180912 endDate=20180913

Execution information of a batch job that is created in order to execute a batch job.

A lower-level unit of a batch job and the minimum unit of business implementation that composes a batch job. When a batch job is restarted, it can be skipped or re-executed independently according to the restart-related properties.

Execution information of a Step that is created in order to execute a Step. It is created to manage and store the execution information when a Step is executed.

An information object that the framework creates and maintains during execution so that the user can store execution information in the form of "key=value" when a batch job and Step are executed. Progress status and so on can be recorded in this object and used when restarting.