public void GetPostings(RawPostingList[] postings)
{
lock (this)
{
System.Diagnostics.Debug.Assert(docWriter.writer.TestPoint("TermsHash.getPostings start"));
System.Diagnostics.Debug.Assert(postingsFreeCount <= postingsFreeList.Length);
System.Diagnostics.Debug.Assert(postingsFreeCount <= postingsAllocCount, "postingsFreeCount=" + postingsFreeCount + " postingsAllocCount=" + postingsAllocCount);
int numToCopy;
if (postingsFreeCount < postings.Length)
{
numToCopy = postingsFreeCount;
}
else
{
numToCopy = postings.Length;
}
int start = postingsFreeCount - numToCopy;
System.Diagnostics.Debug.Assert(start >= 0);
System.Diagnostics.Debug.Assert(start + numToCopy <= postingsFreeList.Length);
System.Diagnostics.Debug.Assert(numToCopy <= postings.Length);
Array.Copy(postingsFreeList, start, postings, 0, numToCopy);
// Directly allocate the remainder if any
if (numToCopy != postings.Length)
{
int extra = postings.Length - numToCopy;
int newPostingsAllocCount = postingsAllocCount + extra;
consumer.CreatePostings(postings, numToCopy, extra);
System.Diagnostics.Debug.Assert(docWriter.writer.TestPoint("TermsHash.getPostings after create"));
postingsAllocCount += extra;
if (trackAllocations)
{
docWriter.BytesAllocated(extra * bytesPerPosting);
}
if (newPostingsAllocCount > postingsFreeList.Length)
{
// Pre-allocate the postingsFreeList so it's large
// enough to hold all postings we've given out
postingsFreeList = new RawPostingList[ArrayUtil.GetNextSize(newPostingsAllocCount)];
}
}
postingsFreeCount -= numToCopy;
if (trackAllocations)
{
docWriter.BytesUsed(postings.Length * bytesPerPosting);
}
}
}
