com.hp.hpl.jena.sparql.engine.iterator
Class QueryIterGroup

java.lang.Object
  com.hp.hpl.jena.sparql.util.PrintSerializableBase
      com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase
          com.hp.hpl.jena.sparql.engine.iterator.QueryIter
              com.hp.hpl.jena.sparql.engine.iterator.QueryIterPlainWrapper
                  com.hp.hpl.jena.sparql.engine.iterator.QueryIterGroup

All Implemented Interfaces:

QueryIterator, PrintSerializable, Iterator<Binding>, Printable, Closeable

public class QueryIterGroup
extends QueryIterPlainWrapper

Field Summary

Fields inherited from class com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase

traceIterators

Constructor Summary

QueryIterGroup(QueryIterator qIter, VarExprList groupVars, List<ExprAggregator> aggregators, ExecutionContext execCxt)

Method Summary

void	requestCancel() Propagates the cancellation request - called asynchronously with the iterator itself

Methods inherited from class com.hp.hpl.jena.sparql.engine.iterator.QueryIterPlainWrapper

output, setIterator

Methods inherited from class com.hp.hpl.jena.sparql.engine.iterator.QueryIter

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

Methods inherited from class com.hp.hpl.jena.sparql.engine.iterator.QueryIteratorBase

cancel, debug, hasNext, next, nextBinding, remove

Methods inherited from class com.hp.hpl.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 com.hp.hpl.jena.sparql.util.PrintSerializable

toString

Constructor Detail

QueryIterGroup

public QueryIterGroup(QueryIterator qIter,
                      VarExprList groupVars,
                      List<ExprAggregator> aggregators,
                      ExecutionContext execCxt)

Method Detail

requestCancel

public void requestCancel()

Description copied from class: QueryIteratorBase

Propagates the cancellation request - called asynchronously with the iterator itself