Package org.apache.jena.sparql.engine.iterator

Class QueryIterSort

java.lang.Object

org.apache.jena.sparql.util.PrintSerializableBase

org.apache.jena.sparql.engine.iterator.QueryIteratorBase

org.apache.jena.sparql.engine.iterator.QueryIter

org.apache.jena.sparql.engine.iterator.QueryIterPlainWrapper

org.apache.jena.sparql.engine.iterator.QueryIterSort

All Implemented Interfaces:

java.util.Iterator<Binding>, org.apache.jena.atlas.io.Printable, org.apache.jena.atlas.lib.Closeable, QueryIterator, PrintSerializable

public class QueryIterSort
extends QueryIterPlainWrapper

Sort a query iterator. The sort will happen in-memory unless the size of the iterator exceeds a configurable threshold. In that case, a disk sort is used.

See Also:

SortedDataBag

Field Summary

Fields inherited from class org.apache.jena.sparql.engine.iterator.QueryIteratorBase

traceIterators

Constructor Summary

Constructors

Constructor	Description
QueryIterSort(QueryIterator qIter, java.util.Comparator<Binding> comparator, ExecutionContext context)
QueryIterSort(QueryIterator qIter, java.util.List<SortCondition> conditions, ExecutionContext context)

Method Summary

Modifier and Type	Method	Description
void	requestCancel()

Methods inherited from class org.apache.jena.sparql.engine.iterator.QueryIterPlainWrapper

create, create, output, setIterator

Methods inherited from class org.apache.jena.sparql.engine.iterator.QueryIter

close, getExecContext, getIteratorNumber, makeTracked, map, materialize, materialize, output

Methods inherited from class org.apache.jena.sparql.engine.iterator.QueryIteratorBase

cancel, debug, hasNext, next, nextBinding, remove

Methods inherited from class org.apache.jena.sparql.util.PrintSerializableBase

toString, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Methods inherited from interface org.apache.jena.sparql.util.PrintSerializable

toString

Methods inherited from interface org.apache.jena.sparql.engine.QueryIterator

isJoinIdentity

Constructor Detail

QueryIterSort

public QueryIterSort(QueryIterator qIter,
                     java.util.List<SortCondition> conditions,
                     ExecutionContext context)

QueryIterSort

public QueryIterSort(QueryIterator qIter,
                     java.util.Comparator<Binding> comparator,
                     ExecutionContext context)

Method Detail

requestCancel

public void requestCancel()