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

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

All Implemented Interfaces:

ValueIterator

public abstract class NestedValueIterator

extends Object

implements ValueIterator

Constructor Summary

NestedValueIterator(ResourceIterator outerIter)

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

NestedValueIterator

public NestedValueIterator(ResourceIterator 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

getInnerIterator

public abstract ValueIterator getInnerIterator(Resource outerResource)

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