class FusionIndexAccessor extends FusionIndexBase<IndexAccessor> implements IndexAccessor {

    @Override
    public void validateBeforeCommit( Value[] tuple )
    {
        instanceSelector.select( slotSelector.selectSlot( tuple, GROUP_OF ) ).validateBeforeCommit( tuple );
    }

      FusionIndexAccessor( SlotSelector slotSelector,
            InstanceSelector<IndexAccessor> instanceSelector,
            StoreIndexDescriptor descriptor,
            IndexDropAction dropAction );

}