org.modeshape.jcr.query.process
Class DistinctOfSortedComponent

java.lang.Object
  org.modeshape.jcr.query.process.ProcessingComponent
      org.modeshape.jcr.query.process.DelegatingComponent
          org.modeshape.jcr.query.process.DistinctOfSortedComponent

public class DistinctOfSortedComponent
extends DelegatingComponent

An efficient ProcessingComponent that removes duplicates from an already-sorted set of results.

See Also:

DistinctComponent

Nested Class Summary

Nested classes/interfaces inherited from class org.modeshape.jcr.query.process.ProcessingComponent

ProcessingComponent.DynamicOperation

Constructor Summary

DistinctOfSortedComponent(SortValuesComponent delegate)

Method Summary

List<Object[]>

execute() Execute this stage of processing and return the resulting tuples that each conform to the columns.

Methods inherited from class org.modeshape.jcr.query.process.DelegatingComponent

close, delegate

Methods inherited from class org.modeshape.jcr.query.process.ProcessingComponent

createDynamicOperation, createSortComparator, emptyTuples, getColumns, getContext, problems

Methods inherited from class java.lang.Object

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

Constructor Detail

DistinctOfSortedComponent

public DistinctOfSortedComponent(SortValuesComponent delegate)

Method Detail

execute

public List<Object[]> execute()

Description copied from class: ProcessingComponent

Execute this stage of processing and return the resulting tuples that each conform to the columns.

Specified by:

execute in class ProcessingComponent

Returns:

the list of tuples, where each tuple corresonds to the columns; never null