private BlockInfo blockOnNodes(long blkId, List<DatanodeDescriptor> nodes) {
Block block = new Block(blkId);
BlockInfo blockInfo = new BlockInfo(block, 3);
for (DatanodeDescriptor dn : nodes) {
blockInfo.addNode(dn);
}
return blockInfo;
}
private List<DatanodeDescriptor> nodes(int ... indexes) {