How to get child process instance id from main process

Hi All,
I have a main process invoiking a child process 1 and child process 1 inturn calling child process 2.Is there any way to get the child process 2 instance id from main process or main process instance id from child process 2.. Using tree finder in BPEL Control i can find the direct sub process(child 1) instance id from the main process instance. Is it possible to trace Sub process 2 instance id without going for the instance detail of sub process 1.
Thanks in advance
ChitraDevi

you could easily derive this from the bpel cube_instance table. using cikey and parent_id columns. you can use IInstanceMetaData javadoc, it has method called getParentId( ) to get the id. you can get the root id (instance-id of the main bpel process instance) using getRootId( ). you can checkout this blog.
http://tech-sash.blogspot.com/2008/04/oracle-soa-suite-retrieving-process.html

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