Package org.eclipse.rdf4j.sail

Class TripleSourceIterationWrapper<T>

java.lang.Object

org.eclipse.rdf4j.sail.TripleSourceIterationWrapper<T>

All Implemented Interfaces:

AutoCloseable, CloseableIteration<T,QueryEvaluationException>, Iteration<T,QueryEvaluationException>

@InternalUseOnly
public class TripleSourceIterationWrapper<T>
extends Object
implements CloseableIteration<T,QueryEvaluationException>

Constructor Summary

Constructors

Constructor	Description
TripleSourceIterationWrapper(CloseableIteration<? extends T,SailException> delegate)

Method Summary

Modifier and Type	Method	Description
final void	close()	Closes this iteration, freeing any resources that it is holding.
boolean	hasNext()	Checks whether the underlying iteration contains more elements.
T	next()	Returns the next element from the wrapped iteration.
void	remove()	Calls remove() on the underlying iteration.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.rdf4j.common.iteration.CloseableIteration

stream

Constructor Details

TripleSourceIterationWrapper

public TripleSourceIterationWrapper(CloseableIteration<? extends T,SailException> delegate)

Method Details

hasNext

public boolean hasNext()
                throws QueryEvaluationException

Checks whether the underlying iteration contains more elements.

Specified by:

hasNext in interface Iteration<T,QueryEvaluationException>

Returns:

true if the underlying iteration contains more elements, false otherwise.

Throws:

QueryEvaluationException

next

public T next()
       throws QueryEvaluationException

Returns the next element from the wrapped iteration.

Specified by:

next in interface Iteration<T,QueryEvaluationException>

Returns:

the next element in the iteration.

Throws:

QueryEvaluationException

NoSuchElementException - If all elements have been returned.

IllegalStateException - If the iteration has been closed.

remove

public void remove()
            throws QueryEvaluationException

Calls remove() on the underlying iteration.

Specified by:

remove in interface Iteration<T,QueryEvaluationException>

Throws:

UnsupportedOperationException - If the wrapped iteration does not support the remove operation.

IllegalStateException - If the Iteration has been closed, or if next() has not yet been called, or remove() has already been called after the last call to next().

QueryEvaluationException

close

public final void close()
                 throws QueryEvaluationException

Description copied from interface: CloseableIteration

Closes this iteration, freeing any resources that it is holding. If the iteration has already been closed then invoking this method has no effect.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface CloseableIteration<T,QueryEvaluationException>

Throws:

QueryEvaluationException