Package com.complexible.common.rdf.query

Class TupleQueryResultIterator

java.lang.Object

com.complexible.common.rdf.query.TupleQueryResultIterator

All Implemented Interfaces:

CloseableIterator<BindingSet>, BindingSetIterator, AutoCloseable, Iterator<BindingSet>

public final class TupleQueryResultIterator
extends Object
implements BindingSetIterator, CloseableIterator<BindingSet>

Adapter for SelectQueryResult objects to Iterator

Since:

0.4

Version:

6.0

Author:

Michael Grove

Nested Class Summary

Nested classes/interfaces inherited from interface com.complexible.common.base.CloseableIterator

CloseableIterator.AbstractCloseableIterator<T>, CloseableIterator.DelegatingCloseableIterator<T>, CloseableIterator.EmptyCloseableIterator<T>

Constructor Summary

Constructors

Constructor	Description
TupleQueryResultIterator(SelectQueryResult theResult)

Method Summary

Modifier and Type	Method	Description
void	close()
boolean	hasNext()
BindingSet	next()
List<String>	variables()	Return the list of valid keys, eg binding names, returned via this Iteration

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Constructor Details

TupleQueryResultIterator

public TupleQueryResultIterator(SelectQueryResult theResult)

Method Details

next

public BindingSet next()
                throws QueryExecutionFailure

Specified by:

next in interface Iterator<BindingSet>

Throws:

QueryExecutionFailure

hasNext

public boolean hasNext()
                throws QueryExecutionFailure

Specified by:

hasNext in interface Iterator<BindingSet>

Throws:

QueryExecutionFailure

close

public void close()
           throws QueryExecutionFailure

Specified by:

close in interface AutoCloseable

Specified by:

close in interface CloseableIterator<BindingSet>

Throws:

QueryExecutionFailure

variables

@Nonnull
public List<String> variables()
                       throws QueryExecutionFailure

Return the list of valid keys, eg binding names, returned via this Iteration

Specified by:

variables in interface BindingSetIterator

Returns:

the binding names

Throws:

QueryExecutionFailure