I see , BTW , where can I download a binary distribution of Oozie 3.3.1. I got some problems using my own build while starting up.
2013/3/5 Mohammad Islam <[email protected]> > Hi Felix, > Oozie has if-like statement, called decision-switch-case. > > More at: > http://oozie.apache.org/docs/3.3.1/WorkflowFunctionalSpec.html#a3.1.4_Decision_Control_Node > > Regards, > Mohammad > > > ________________________________ > From: Felix.徐 <[email protected]> > To: [email protected] > Sent: Monday, March 4, 2013 5:58 PM > Subject: Re: How to conditionally initialize parameters? > > Thanks Rebert. > > Is flow control such as if/while supported by EL expression? > > > 2013/3/5 Robert Kanter <[email protected]> > > > Hi Felix, > > > > If you specify the <capture-output> element, you can have Oozie get the > > output of an action; the output has to be in java properties format and > > there's a few other restrictions. Try searching > > http://oozie.apache.org/docs/3.3.1/WorkflowFunctionalSpec.html for > > <capture-output>; it should be similar to the Java action. You can then > > use an EL function to pass that output to any of your actions. > > > > Oozie workflows must be DAGs ( > > http://en.wikipedia.org/wiki/Directed_acyclic_graph) so no loops/cycles > > are > > allowed. > > > > - Robert > > > > > > > > On Sun, Mar 3, 2013 at 11:33 PM, Felix.徐 <[email protected]> wrote: > > > > > Hi, > > > > > > I'm new to oozie and I'm wandering if there is any way to initialize > > > Action's parameters according to the output of previous Action? > > > > > > The scenario is that I have a few hive scripts(A,B,C) > > > If the output of A is null then I would initialize B's parameter with > > some > > > other value. > > > > > > Another question is that does oozie support loop action that can invoke > > > other actions? > > > > > >
