// NOTE: removes any "all deleted" readers from mergeState.readers
private int SetDocMaps()
{
int numReaders = mergeState.Readers.Count;
// Remap docIDs
mergeState.DocMaps = new MergeState.DocMap[numReaders];
mergeState.DocBase = new int[numReaders];
int docBase = 0;
int i = 0;
while (i < mergeState.Readers.Count)
{
AtomicReader reader = mergeState.Readers[i];
mergeState.DocBase[i] = docBase;
MergeState.DocMap docMap = MergeState.DocMap.Build(reader);
mergeState.DocMaps[i] = docMap;
docBase += docMap.NumDocs;
i++;
}
return(docBase);
}
private static bool Equals(MergeState.DocMap map1, MergeState.DocMap map2)
{
if (map1.MaxDoc != map2.MaxDoc)
{
return(false);
}
for (int i = 0; i < map1.MaxDoc; ++i)
{
if (map1.Get(i) != map2.Get(i))
{
return(false);
}
}
return(true);
}
public virtual void TestBuildDocMap()
{
int maxDoc = TestUtil.NextInt(Random(), 1, 128);
int numDocs = TestUtil.NextInt(Random(), 0, maxDoc);
int numDeletedDocs = maxDoc - numDocs;
FixedBitSet liveDocs = new FixedBitSet(maxDoc);
for (int i = 0; i < numDocs; ++i)
{
while (true)
{
int docID = Random().Next(maxDoc);
if (!liveDocs.Get(docID))
{
liveDocs.Set(docID);
break;
}
}
}
MergeState.DocMap docMap = MergeState.DocMap.Build(maxDoc, liveDocs);
Assert.AreEqual(maxDoc, docMap.MaxDoc);
Assert.AreEqual(numDocs, docMap.NumDocs);
Assert.AreEqual(numDeletedDocs, docMap.NumDeletedDocs);
// assert the mapping is compact
for (int i = 0, del = 0; i < maxDoc; ++i)
{
if (!liveDocs.Get(i))
{
Assert.AreEqual(-1, docMap.Get(i));
++del;
}
else
{
Assert.AreEqual(i - del, docMap.Get(i));
}
}
}