java - What is JBPM? Why use it? -

i java developer. develop new application framework. in application going integrate jbpm, spring , hibernate also.

so please, answer below questions,

1. what jbpm?
2. why use it?
3. what workflow engine?

please give example.

thanks answer.

quoting wikipedia:

jbpm open-source workflow engine written in java can execute business processes described in bpmn 2.0 (or own process definition language jpdl in earlier versions). released under asl (or lgpl in earlier versions) jboss community.

for complete information can check this out.

quoting wikipedia:

a workflow engine software application defines process, rules governing process decisions, , routes information. key component in workflow technology , typically makes use of database server.

the relationship:

jbpm flexible, extensible workflow management system. business processes , expressed in simple , powerfull language , packaged in process archives, serve input jbpm runtime server. jbpm bridges gap between managers , developers giving them common language : jbpm process definition language (jpdl).