private void Initialize(IndexReader[] subReaders, bool closeSubReaders)
{
// Deep copy
this.subReaders = subReaders.ToArray();
starts = new int[subReaders.Length + 1]; // build starts array
decrefOnClose = new bool[subReaders.Length];
for (int i = 0; i < subReaders.Length; i++)
{
starts[i] = maxDoc;
maxDoc += subReaders[i].MaxDoc; // compute maxDocs
if (!closeSubReaders)
{
subReaders[i].IncRef();
decrefOnClose[i] = true;
}
else
{
decrefOnClose[i] = false;
}
if (subReaders[i].HasDeletions)
hasDeletions = true;
}
starts[subReaders.Length] = maxDoc;
}
