com.bigdata.relation.accesspath

Interface IBindingSetAccessPath<R>

Type Parameters:

R - The generic type of the [R]elation elements of the IRelation.

All Superinterfaces:

IAbstractAccessPath<R>

All Known Implementing Classes:

AccessPath, SPOAccessPath

public interface IBindingSetAccessPath<R>
extends IAbstractAccessPath<R>

An interface for access paths which visit solutions (versus IElement s).

Version:

$Id$

Author:

Bryan Thompson

Method Summary

Methods

Modifier and Type	Method and Description
ICloseableIterator<IBindingSet[]>	solutions(BOpContext context, long limit, BaseJoinStats stats) Return an iterator which will visit the solutions drawn from the access path with a limit on the number of solutions drawn.

Methods inherited from interface com.bigdata.relation.accesspath.IAbstractAccessPath

getPredicate, isEmpty, rangeCount, removeAll

Method Detail

solutions

ICloseableIterator<IBindingSet[]> solutions(BOpContext context,
                                          long limit,
                                          BaseJoinStats stats)

Return an iterator which will visit the solutions drawn from the access path with a limit on the number of solutions drawn.

Parameters:

limit - The maximum #of solutions to visit.

stats - Some statistics are updated as solutions are visited.

Returns:

The iterator.

See Also:

(Access path should visit solutions for high level query).