protected internal AllTermDocs(SegmentReader parent) : base(parent.MaxDoc())
{
lock (parent)
{
this.deletedDocs = parent.deletedDocs;
}
}
protected internal AllTermDocs(SegmentReader parent) : base(parent.MaxDoc())
{
lock (parent)
{
this.deletedDocs = parent.deletedDocs;
}
}
public /*protected internal*/ SegmentTermDocs(SegmentReader parent)
{
this.parent = parent;
this.freqStream = (IndexInput) parent.core.freqStream.Clone();
lock (parent)
{
this.deletedDocs = parent.deletedDocs;
}
this.skipInterval = parent.core.GetTermsReader().GetSkipInterval();
this.maxSkipLevels = parent.core.GetTermsReader().GetMaxSkipLevels();
}
public /*protected internal*/ SegmentTermDocs(SegmentReader parent)
{
this.parent = parent;
this.freqStream = (IndexInput)parent.core.freqStream.Clone();
lock (parent)
{
this.deletedDocs = parent.deletedDocs;
}
this.skipInterval = parent.core.GetTermsReader().GetSkipInterval();
this.maxSkipLevels = parent.core.GetTermsReader().GetMaxSkipLevels();
}
public int GetDelCount()
{
if (delCount == - 1)
{
if (HasDeletions())
{
System.String delFileName = GetDelFileName();
delCount = new BitVector(dir, delFileName).Count();
}
else
delCount = 0;
}
System.Diagnostics.Debug.Assert(delCount <= docCount);
return delCount;
}
/// <summary> Clones the deleteDocs BitVector. May be overridden by subclasses. New and experimental.</summary>
/// <param name="bv">BitVector to clone
/// </param>
/// <returns> New BitVector
/// </returns>
protected internal virtual BitVector CloneDeletedDocs(BitVector bv)
{
return (BitVector) bv.Clone();
}
private void LoadDeletedDocs()
{
// NOTE: the bitvector is stored using the regular directory, not cfs
if (HasDeletions(si))
{
deletedDocs = new BitVector(Directory(), si.GetDelFileName());
deletedDocsRef = new Ref();
System.Diagnostics.Debug.Assert(CheckDeletedCounts());
}
else
System.Diagnostics.Debug.Assert(si.GetDelCount() == 0);
}
protected internal override void DoUndeleteAll()
{
deletedDocsDirty = false;
if (deletedDocs != null)
{
System.Diagnostics.Debug.Assert(deletedDocsRef != null);
deletedDocsRef.DecRef();
deletedDocs = null;
deletedDocsRef = null;
pendingDeleteCount = 0;
si.ClearDelGen();
si.SetDelCount(0);
}
else
{
System.Diagnostics.Debug.Assert(deletedDocsRef == null);
System.Diagnostics.Debug.Assert(pendingDeleteCount == 0);
}
}
protected internal override void DoDelete(int docNum)
{
if (deletedDocs == null)
{
deletedDocs = new BitVector(MaxDoc());
deletedDocsRef = new Ref();
}
// there is more than 1 SegmentReader with a reference to this
// deletedDocs BitVector so decRef the current deletedDocsRef,
// clone the BitVector, create a new deletedDocsRef
if (deletedDocsRef.RefCount() > 1)
{
Ref oldRef = deletedDocsRef;
deletedDocs = CloneDeletedDocs(deletedDocs);
deletedDocsRef = new Ref();
oldRef.DecRef();
}
deletedDocsDirty = true;
if (!deletedDocs.GetAndSet(docNum))
pendingDeleteCount++;
}
protected internal override void DoClose()
{
termVectorsLocal.Close();
fieldsReaderLocal.Close();
if (deletedDocs != null)
{
deletedDocsRef.DecRef();
// null so if an app hangs on to us we still free most ram
deletedDocs = null;
}
System.Collections.IEnumerator it = norms.Values.GetEnumerator();
while (it.MoveNext())
{
((Norm) it.Current).DecRef();
}
if (core != null)
{
core.DecRef();
}
}
