We have an application that is partly written in Java and partly in
Rails. On the Java side we’re using the Quartz Scheduler.
When a job runs, is there a way to borrow an instantiated Ruby runtime
from the RackApplicationFactory? From a Rails controller I can do
something like this:
factory =
request.env[‘java.servlet_context’].get_attribute(‘rack.factory’)
app = factory.wait_for_next_available(10000)
where factory is a DefaultRackApplicationFactory and app appears to be a
DefaultRackApplication instance. But there doesn’t seem to be any way
to get at the contained Ruby instance to execute a Ruby script. We’d
like to be able use ActiveRecord on the Rails side to do some work.
Any suggestions?
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Hi,
I had the same problem. I ‘fixed’ this by patching the Rack source like
this.
Index: src/main/java/org/jruby/rack/DefaultRackApplication.java
— src/main/java/org/jruby/rack/DefaultRackApplication.java
(revision 183)
+++ src/main/java/org/jruby/rack/DefaultRackApplication.java (working
copy)
@@ -54,6 +54,10 @@
public void setApplication(IRubyObject application) {
this.application = application;
}
+
-
public Ruby getRuntime() {
-
return application.getRuntime();
-
}
/** Only used for testing. */
public IRubyObject __call(final IRubyObject env) {
Than you can call app.getRuntime and call evalScriptlet(command) on the
runtime to execute a command.
Hope this helps, maybe this patche can be used in the real Rack
application to allow RailsQuartz (with a bit of patching) to work again?
Regards
Hi Darcy,
Seems like this is an enhancement that needs to be made to the
RackApplication interface, to allow the runtime object to be exposed
for uses other than calling through the application request cycle.
A possible workaround would be to set up some special-use controllers
in your application and call into those from the RackApplication when
you need to trigger some background work.
Cheers,
/Nick
On Wed, Aug 13, 2008 at 2:56 PM, Schultz, Darcy L.
[email protected] wrote:
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On Thu, Aug 14, 2008 at 2:29 AM, Andres K. [email protected]
wrote:
copy)
public IRubyObject __call(final IRubyObject env) {
Than you can call app.getRuntime and call evalScriptlet(command) on the
runtime to execute a command.
Hope this helps, maybe this patche can be used in the real Rack application
to allow RailsQuartz (with a bit of patching) to work again?
Sounds good, I’ve added this method in trunk.
Cheers,
/Nick
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