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

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.QueryIter1
                  com.hp.hpl.jena.sparql.engine.iterator.QueryIterPeek

All Implemented Interfaces:

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

public class QueryIterPeek
extends QueryIter1

Field Summary

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

traceIterators

Method Summary

static QueryIterPeek	create(QueryIterator iterator, ExecutionContext cxt)
Binding	peek() Returns the next binding without moving on.

Methods inherited from class com.hp.hpl.jena.sparql.engine.iterator.QueryIter1

output

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

Method Detail

create

public static QueryIterPeek create(QueryIterator iterator,
                                   ExecutionContext cxt)

peek

public Binding peek()

Returns the next binding without moving on. Returns "null" for no such element.