gr.uoa.di.madgik.searchlibrary.operatorlibrary.grs2
Class GRS2Aggregator

java.lang.Object
  gr.uoa.di.madgik.searchlibrary.operatorlibrary.Unary
      gr.uoa.di.madgik.searchlibrary.operatorlibrary.grs2.GRS2Aggregator

Type Parameters:

T - extends Record

All Implemented Interfaces:

Runnable

public class GRS2Aggregator
extends gr.uoa.di.madgik.searchlibrary.operatorlibrary.Unary
implements Runnable

GRS2 created for a result set. Contents are retrieved through a gRS2 are stored in a file that is passed to a result set as a fileField.

Author:

john.gerbesiotis - DI NKUA

Field Summary

Fields inherited from class gr.uoa.di.madgik.searchlibrary.operatorlibrary.Unary

inLocator, operatorParameters, stats, timeout, TimeoutDef, timeUnit, TimeUnitDef

Constructor Summary

GRS2Aggregator(URI inLocator, Map<String,String> parameters, gr.uoa.di.madgik.searchlibrary.operatorlibrary.stats.StatsContainer statsCont)

GRS2Aggregator(URI inLocator, Map<String,String> parameters, gr.uoa.di.madgik.searchlibrary.operatorlibrary.stats.StatsContainer statsCont, long timeout, TimeUnit timeUnit)

Method Summary

URI	compute()
void	run()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GRS2Aggregator

public GRS2Aggregator(URI inLocator,
                      Map<String,String> parameters,
                      gr.uoa.di.madgik.searchlibrary.operatorlibrary.stats.StatsContainer statsCont,
                      long timeout,
                      TimeUnit timeUnit)
               throws Exception

Throws:

Exception

GRS2Aggregator

public GRS2Aggregator(URI inLocator,
                      Map<String,String> parameters,
                      gr.uoa.di.madgik.searchlibrary.operatorlibrary.stats.StatsContainer statsCont)
               throws Exception

Parameters:

inLocator - input locator of the consuming result set

output - output value of the operator

parameters - output parameters of the operator

statsCont - statistics container

Throws:

Exception - If the initialization of the operator fails

Method Detail

compute

public URI compute()
            throws Exception

Specified by:

compute in class gr.uoa.di.madgik.searchlibrary.operatorlibrary.Unary

Throws:

Exception

run

public void run()

Specified by:

run in interface Runnable