org.jboss.dna.graph.query.process
Class SortValuesComponent

java.lang.Object
  org.jboss.dna.graph.query.process.ProcessingComponent
      org.jboss.dna.graph.query.process.DelegatingComponent
          org.jboss.dna.graph.query.process.SortValuesComponent

public class SortValuesComponent
extends DelegatingComponent

A ProcessingComponent implementation that performs a PROJECT operation to reduce the columns that appear in the results.

Constructor Summary

SortValuesComponent(ProcessingComponent delegate, List<Ordering> orderings)

Method Summary

List<Object[]>	execute() Execute this stage of processing and return the resulting tuples that each conform to the columns.
Comparator<Object[]>	getSortingComparator()

Methods inherited from class org.jboss.dna.graph.query.process.DelegatingComponent

close

Methods inherited from class org.jboss.dna.graph.query.process.ProcessingComponent

getColumns, getContext

Methods inherited from class java.lang.Object

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

Constructor Detail

SortValuesComponent

public SortValuesComponent(ProcessingComponent delegate,
                           List<Ordering> orderings)

Method Detail

getSortingComparator

public Comparator<Object[]> getSortingComparator()

Returns:

sortingComparator

execute

public List<Object[]> execute()

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

See Also:

ProcessingComponent.execute()