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

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

All Implemented Interfaces:

QueryIterator, PrintSerializable, Iterator<Binding>, org.openjena.atlas.io.Printable, org.openjena.atlas.lib.Closeable

Direct Known Subclasses:

QueryIter1, QueryIter2, QueryIterConcat, QueryIterDefaulting, QueryIterExtendByVar, QueryIterNullIterator, QueryIterPlainWrapper, QueryIterTracked, QueryIterYieldN

public abstract class QueryIter
extends QueryIteratorBase

This class provides the general machinary for iterators.

Field Summary

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

traceIterators

Constructor Summary

QueryIter(ExecutionContext execCxt)

Method Summary

void	close()
ExecutionContext	getExecContext()
int	getIteratorNumber()
static QueryIter	makeTracked(QueryIterator qIter, ExecutionContext execCxt)
static QueryIter	materialize(QueryIterator qIter, ExecutionContext execCxt)
void	output(org.openjena.atlas.io.IndentedWriter out, SerializationContext sCxt)

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

abort, debug, hasNext, next, nextBinding, remove

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

output, 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

Methods inherited from interface org.openjena.atlas.io.Printable

output

Constructor Detail

QueryIter

public QueryIter(ExecutionContext execCxt)

Method Detail

makeTracked

public static QueryIter makeTracked(QueryIterator qIter,
                                    ExecutionContext execCxt)

materialize

public static QueryIter materialize(QueryIterator qIter,
                                    ExecutionContext execCxt)

close

public final void close()

Specified by:

close in interface org.openjena.atlas.lib.Closeable

Overrides:

close in class QueryIteratorBase

getExecContext

public ExecutionContext getExecContext()

getIteratorNumber

public int getIteratorNumber()

output

public void output(org.openjena.atlas.io.IndentedWriter out,
                   SerializationContext sCxt)