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

Constructors

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

Method Summary

Methods

Modifier and Type	Method and Description
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, 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