/** * @param cctx Cache context. * @param prj Projection (optional). * @return Collection of data nodes in provided projection (if any). */ private static Collection<GridNode> nodes( final GridCacheContext<?, ?> cctx, @Nullable final GridProjection prj) { assert cctx != null; return F.view( CU.allNodes(cctx), new P1<GridNode>() { @Override public boolean apply(GridNode n) { GridCacheDistributionMode mode = U.distributionMode(n, cctx.name()); return (mode == PARTITIONED_ONLY || mode == NEAR_PARTITIONED) && (prj == null || prj.node(n.id()) != null); } }); }