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); } } }