org.openrdf.sesame.query.rql.model.iterators
Class NestedResourceIterator

java.lang.Object
  org.openrdf.sesame.query.rql.model.iterators.NestedResourceIterator

All Implemented Interfaces:

ResourceIterator, ValueIterator

public abstract class NestedResourceIterator

extends Object

implements ResourceIterator

Constructor Summary

NestedResourceIterator(ValueIterator outerIter)

Method Summary

void	close() Closes the iterator and frees any resources that it uses (e.g.
abstract ResourceIterator	getInnerIterator(Value outerValue)
boolean	hasNext() Checks whether there are any more values available.
Value	next() Gets the next value.
Resource	nextResource() Gets the next Resource.

Methods inherited from class java.lang.Object

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

Constructor Detail

NestedResourceIterator

public NestedResourceIterator(ValueIterator outerIter)

Method Detail

hasNext

public boolean hasNext()
                throws QueryEvaluationException

Description copied from interface: ValueIterator

Checks whether there are any more values available.

Specified by:

hasNext in interface ValueIterator

Returns:

true if there are more values available, false otherwise.

Throws:

QueryEvaluationException

next

public Value next()
           throws QueryEvaluationException

Description copied from interface: ValueIterator

Gets the next value.

Specified by:

next in interface ValueIterator

Returns:

the next value.

Throws:

QueryEvaluationException

nextResource

public Resource nextResource()
                      throws QueryEvaluationException

Description copied from interface: ResourceIterator

Gets the next Resource.

Specified by:

nextResource in interface ResourceIterator

Returns:

the next Resource

Throws:

QueryEvaluationException

See Also:

ValueIterator.next()

getInnerIterator

public abstract ResourceIterator getInnerIterator(Value outerValue)

close

public void close()

Description copied from interface: ValueIterator

Closes the iterator and frees any resources that it uses (e.g. connections to databases). Every ValueIterator should be properly closed when it has returned all of its values, or when it is no longer needed.

Specified by:

close in interface ValueIterator