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Date: Thu, 2 Jun 2016 05:25:59 +0000 (UTC)
From: "Yakov Zhdanov (JIRA)" <jira@apache.org>
To: dev@ignite.apache.org
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Subject: [jira] [Created] (IGNITE-3233) need to optimize injections
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archived-at: Thu, 02 Jun 2016 05:26:01 -0000

Yakov Zhdanov created IGNITE-3233:
-------------------------------------

             Summary: need to optimize injections
                 Key: IGNITE-3233
                 URL: https://issues.apache.org/jira/browse/IGNITE-3233
             Project: Ignite
          Issue Type: Improvement
            Reporter: Yakov Zhdanov
            Assignee: Semen Boikov
            Priority: Blocker
             Fix For: 1.7


{noformat}
I want to check how this closure performs vs empty one:

ignite.compute().affinityCall(xx, xx, new IgniteCallable<Object>() {
    @IgniteInstanceResource
    Ignite ignite;
    
    @SpringApplicationContextResource
    ApplicationContext ctx;
    
    Object bean1;
    Object bean2;
    
    
    @Override public Object call() throws Exception {
        bean1 = ctx.getBean(bean1class);
        bean2 = ctx.getBean(bean2class);
        
        return null;
    }
});
{noformat}

Closure above is 3 times slower than Noop closure. Injections should be optimized.

I see the following options:
# Annotations
## Introduce SpringAware annotation and annotate each object that will need injection including SPI and internal stuff
## Support Spring Autowire annotation.
## I am not sure about the approach. We can use ApplicationContext.autowire() or generate and compile code that will do injections.
# Interfaces
## IgniteAware
## Spring ApplicationContext aware
## ...

Implementor should suggest and back solution with microbenchmarks.




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