[infinispan-issues] [JBoss JIRA] (ISPN-2287) Introduce DistributedTask abstraction enhancement for distributed executors

[Vladimir Blagojevic (JIRA)]

Vladimir Blagojevic created ISPN-2287:
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             Summary: Introduce DistributedTask abstraction enhancement for distributed executors   
                 Key: ISPN-2287
                 URL: https://issues.jboss.org/browse/ISPN-2287
             Project: Infinispan
          Issue Type: Enhancement
          Components: Distributed Execution and Map/Reduce
    Affects Versions: 5.2.0.Alpha3
            Reporter: Vladimir Blagojevic
            Assignee: Vladimir Blagojevic
             Fix For: 5.2.0.Beta1


As we have requirements to add timeout, pluggable fail over policies, topology aware target selection policies to distributed executors we have to create a new abstraction DistributedTask that users can submit to DistributedExecutorService. We will provide builder for DistributedTask, keep the existing four submit methods in DistributedExecutorService and add four new methods with DistributedTask abstraction in place of Callable. See below:


interface DistributedExecutorService {
  … existing methods … 
    <T> List<Future<T>> submitEverywhere(DistributedTask<T> callable);
}

class DistributedTaskBuilder<T> {
   DistributedTaskBuilder<T> callable(Callable<T> callable);
   DistributedTaskBuilder<T> timeout(long t, TimeUnit tu);
   DistributedTaskBuilder<T> executionPolicy(DistributedExecutionPolicy p);
   DistributedTask<T> build();   
}

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