protected void splitUp(Tier tier, Job j) throws IOException {
while (true) {
Path[] files = tier.getCreationOutputFiles(Solver.underscoreFilter);
if (files.length == 0) break;
Path file = files[0];
String name = file.getName();
String ext = name.substring(name.lastIndexOf("."));
Tier nextTier = getTier(ext);
if (!nextTier.filter.accept(file)) {
throw new Error(nextTier.filter + " does not accept " + file);
}
updateEdges(tier, nextTier);
tier.createTempFolder();
Path[] sameTier = tier.getCreationOutputFiles(nextTier.filter);
assert Util.contains(sameTier, file);
for (Path n : sameTier) tier.moveToTemp(n);
long numPositions = recordsWritten(j, nextTier.num);
putBack(tier, nextTier, numPositions);
}
}
