public override void VisitFreelist(IdProvider_IdProviderVisitor visitor)
{
int pos = 0;
visitor.BeginFreelistPage(0);
foreach (Pair <long, long> releasedId in _releasedIds)
{
visitor.FreelistEntry(releasedId.Right, releasedId.Left, pos++);
}
visitor.EndFreelistPage(0);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public void visitFreelist(IdProvider_IdProviderVisitor visitor) throws java.io.IOException
public override void VisitFreelist(IdProvider_IdProviderVisitor visitor)
{
if (_readPageId == FreelistNode.NoPageId)
{
return;
}
using (PageCursor cursor = _pagedFile.io(0, Org.Neo4j.Io.pagecache.PagedFile_Fields.PF_SHARED_READ_LOCK))
{
GenerationKeeper generation = new GenerationKeeper();
long prevPage;
long pageId = _readPageId;
int pos = _readPos;
do
{
PageCursorUtil.GoTo(cursor, "free-list", pageId);
visitor.BeginFreelistPage(pageId);
int targetPos = pageId == _writePageId ? _writePos : _freelistNode.maxEntries();
while (pos < targetPos)
{
// Read next un-acquired id
long unacquiredId;
do
{
unacquiredId = _freelistNode.read(cursor, long.MaxValue, pos, generation);
} while (cursor.ShouldRetry());
visitor.FreelistEntry(unacquiredId, generation.Generation, pos);
pos++;
}
visitor.EndFreelistPage(pageId);
prevPage = pageId;
pos = 0;
do
{
pageId = FreelistNode.Next(cursor);
} while (cursor.ShouldRetry());
} while (prevPage != _writePageId);
}
}
