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>, Printable, Closeable

Direct Known Subclasses:

QueryIter1, QueryIter2, QueryIterConcat, QueryIterExtendByVar, QueryIterNullIterator, QueryIterPlainWrapper, QueryIterSub, 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

Constructors

Constructor and Description
QueryIter(ExecutionContext execCxt)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
ExecutionContext	getExecContext()
int	getIteratorNumber()
static QueryIter	makeTracked(QueryIterator qIter, ExecutionContext execCxt)
static QueryIterator	materialize(QueryIterator qIter)
static QueryIter	materialize(QueryIterator qIter, ExecutionContext execCxt)
void	output(IndentedWriter out) Normally overridden for better information
void	output(IndentedWriter out, SerializationContext sCxt)

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

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)

materialize

public static QueryIterator materialize(QueryIterator qIter)

close

public final void close()

Specified by:

close in interface Closeable

Overrides:

close in class QueryIteratorBase

getExecContext

public ExecutionContext getExecContext()

getIteratorNumber

public int getIteratorNumber()

output

public void output(IndentedWriter out)

Description copied from class: PrintSerializableBase

Normally overridden for better information

Specified by:

output in interface Printable

Overrides:

output in class PrintSerializableBase

output

public void output(IndentedWriter out,
          SerializationContext sCxt)