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Think about Loose Coupling

Re^3: symbols, scope, and mod_perl

by Anonymous Monk
on Oct 01, 2012 at 10:58 UTC ( #996618=note: print w/replies, xml ) Need Help??

in reply to Re^2: symbols, scope, and mod_perl
in thread symbols, scope, and mod_perl

Furthermore each script running under registry gets its own namespace, ex
ModPerl::ROOT::ModPerl::Registry::D_3a_ro_sham_bo_theEXAMPLEXPORTERtes +t::my_dirt_sneaky_object_reference

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Re^4: symbols, scope, and mod_perl
by acanfora (Novice) on Oct 01, 2012 at 12:03 UTC
    You are right. To be more precise, I am actually allocating the object on thread symbol table, but under mod_perl objects in "main" threads functions are persistent between calls. So it gets messed on subsequent calls. To avoid this it is needed to use a lexical variable, that does not allocate on the symbol table. To achieve the same behavior as per cgi environment, I should manipulate what it is called "stack scratchpad", but I do not have such skills.

      Well, you really shouldn't be exporting this object if its not a singleton

      use EXAMPLE(); my $poop = EXAMPLE->new; $poop->my_example_method; print "mission accomplished\n";
        If you have a look at the code I posted, you can see that the trick I am testing consists actually in putting an instance of the object in the "main" namespace without using Exporter and without declaring/instantiating the object from the cgi. In fact the class calls its own constructor when you use it.

      You are right. ...

      Are you saying you're using threads in your program?

        I am testing the trick also in mod_perl, under Worker MPM. So, yes, I am definitely using threads.

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