private BdynRangeSet pruneRange(BdynRangeSet rslt, long t0, long t1) {
if (rslt == null) return null;
for (Iterator<Set<BdynEntry>> it = rslt.values().iterator(); it.hasNext(); ) {
Set<BdynEntry> vals = it.next();
int ct = 0;
for (Iterator<BdynEntry> it1 = vals.iterator(); it1.hasNext(); ) {
BdynEntry oe = it1.next();
if (oe.getEndTime(t1) < t0) it1.remove();
else ++ct;
}
if (ct == 0) it.remove();
}
if (rslt.size() == 0) return null;
return rslt;
}
private BdynRangeSet addToRange(long start, long t0, long t1, BdynRangeSet rslt) {
OutputEntry timee = new OutputEntry(start);
SortedSet<OutputEntry> ss = output_set.tailSet(timee);
for (OutputEntry e1 : ss) {
if (e1.getStartTime() > t1) break;
if (e1.getEndTime(t1) >= t0) {
ThreadData td = e1.getThread();
if (rslt == null) rslt = new BdynRangeSet();
Set<BdynEntry> r1 = rslt.get(td);
if (r1 == null) {
r1 = new HashSet<BdynEntry>();
rslt.put(td, r1);
}
r1.add(e1);
}
}
return rslt;
}