public override DocsEnum Docs(IBits liveDocs, DocsEnum reuse, DocsFlags flags)
{
throw new NotSupportedException();
}
public override DocsEnum Docs(IBits liveDocs, DocsEnum reuse, DocsFlags flags)
{
DecodeMetaData();
return(outerInstance.outerInstance.postingsReader.Docs(outerInstance.fieldInfo, state, liveDocs, reuse, flags));
}
public override DocsEnum Docs(IBits liveDocs, DocsEnum reuse, DocsFlags flags)
{
throw UnsupportedOperationException.Create();
}
/// <summary>
/// Returns <see cref="DocsEnum"/> for the specified field &
/// term, with control over whether freqs are required.
/// Some codecs may be able to optimize their
/// implementation when freqs are not required. This will
/// return <c>null</c> if the field or term does not exist. See
/// <see cref="TermsEnum.Docs(IBits, DocsEnum, DocsFlags)"/>.
/// </summary>
public static DocsEnum GetTermDocsEnum(IndexReader r, IBits liveDocs, string field, BytesRef term, DocsFlags flags)
{
if (Debugging.AssertsEnabled)
{
Debugging.Assert(field != null);
Debugging.Assert(term != null);
}
Terms terms = GetTerms(r, field);
if (terms != null)
{
TermsEnum termsEnum = terms.GetEnumerator();
if (termsEnum.SeekExact(term))
{
return(termsEnum.Docs(liveDocs, null, flags));
}
}
return(null);
}
public override DocsEnum Docs(IBits liveDocs, DocsEnum reuse, DocsFlags flags)
{
throw new InvalidOperationException("this method should never be called");
}
public override DocsEnum Docs(IBits liveDocs, DocsEnum reuse, DocsFlags flags)
{
MultiDocsEnum docsEnum;
// Can only reuse if incoming enum is also a MultiDocsEnum
if (reuse != null && reuse is MultiDocsEnum)
{
docsEnum = (MultiDocsEnum)reuse;
// ... and was previously created w/ this MultiTermsEnum:
if (!docsEnum.CanReuse(this))
{
docsEnum = new MultiDocsEnum(this, subs.Length);
}
}
else
{
docsEnum = new MultiDocsEnum(this, subs.Length);
}
MultiBits multiLiveDocs;
if (liveDocs is MultiBits)
{
multiLiveDocs = (MultiBits)liveDocs;
}
else
{
multiLiveDocs = null;
}
int upto = 0;
for (int i = 0; i < numTop; i++)
{
TermsEnumWithSlice entry = top[i];
IBits b;
if (multiLiveDocs != null)
{
// optimize for common case: requested skip docs is a
// congruent sub-slice of MultiBits: in this case, we
// just pull the liveDocs from the sub reader, rather
// than making the inefficient
// Slice(Multi(sub-readers)):
MultiBits.SubResult sub = multiLiveDocs.GetMatchingSub(entry.SubSlice);
if (sub.Matches)
{
b = sub.Result;
}
else
{
// custom case: requested skip docs is foreign:
// must slice it on every access
b = new BitsSlice(liveDocs, entry.SubSlice);
}
}
else if (liveDocs != null)
{
b = new BitsSlice(liveDocs, entry.SubSlice);
}
else
{
// no deletions
b = null;
}
if (Debugging.AssertsEnabled)
{
Debugging.Assert(entry.Index < docsEnum.subDocsEnum.Length, "{0} vs {1}; {2}", entry.Index, docsEnum.subDocsEnum.Length, subs.Length);
}
DocsEnum subDocsEnum = entry.Terms.Docs(b, docsEnum.subDocsEnum[entry.Index], flags);
if (subDocsEnum != null)
{
docsEnum.subDocsEnum[entry.Index] = subDocsEnum;
subDocs[upto].DocsEnum = subDocsEnum;
subDocs[upto].Slice = entry.SubSlice;
upto++;
}
else
{
// should this be an error?
if (Debugging.AssertsEnabled)
{
Debugging.Assert(false, "One of our subs cannot provide a docsenum");
}
}
}
if (upto == 0)
{
return(null);
}
else
{
return(docsEnum.Reset(subDocs, upto));
}
}
public override DocsEnum Docs(IBits liveDocs, DocsEnum reuse, DocsFlags flags)
{
return(new RAMDocsEnum(ramField.termToDocs[current], liveDocs));
}
/// <summary>
/// Returns a <see cref="DocsEnum"/> from a positioned <see cref="TermsEnum"/>, but
/// randomly sometimes uses a <see cref="MultiDocsEnum"/>, <see cref="DocsAndPositionsEnum"/>.
/// </summary>
public static DocsEnum Docs(Random random, TermsEnum termsEnum, IBits liveDocs, DocsEnum reuse, DocsFlags flags)
{
if (random.NextBoolean())
{
if (random.NextBoolean())
{
DocsAndPositionsFlags posFlags;
switch (random.Next(4))
{
case 0:
posFlags = 0;
break;
case 1:
posFlags = DocsAndPositionsFlags.OFFSETS;
break;
case 2:
posFlags = DocsAndPositionsFlags.PAYLOADS;
break;
default:
posFlags = DocsAndPositionsFlags.OFFSETS | DocsAndPositionsFlags.PAYLOADS;
break;
}
// TODO: cast to DocsAndPositionsEnum?
DocsAndPositionsEnum docsAndPositions = termsEnum.DocsAndPositions(liveDocs, null, posFlags);
if (docsAndPositions != null)
{
return(docsAndPositions);
}
}
flags |= DocsFlags.FREQS;
}
return(termsEnum.Docs(liveDocs, reuse, flags));
}
public override DocsEnum Docs(IBits liveDocs, DocsEnum reuse, DocsFlags flags)
{
throw IllegalStateException.Create("this method should never be called");
}
public override DocsEnum Docs(IBits liveDocs, DocsEnum reuse, DocsFlags flags)
{
return(Delegate.Docs(liveDocs, reuse, flags));
}
public override DocsEnum Docs(IBits liveDocs, DocsEnum reuse, DocsFlags flags)
{
return(m_input.Docs(liveDocs, reuse, flags));
}
public override DocsEnum Docs(FieldInfo fieldInfo, BlockTermState termState, IBits liveDocs, DocsEnum reuse, DocsFlags flags)
{
if (CanReuse(reuse, liveDocs))
{
// if (DEBUG) System.out.println("SPR.docs ts=" + termState2);
return(((SegmentDocsEnumBase)reuse).Reset(fieldInfo, (StandardTermState)termState));
}
return(NewDocsEnum(liveDocs, fieldInfo, (StandardTermState)termState));
}
/// <summary> /// Must fully consume state, since after this call that /// <see cref="TermState"/> may be reused. /// </summary> public abstract DocsEnum Docs(FieldInfo fieldInfo, BlockTermState state, IBits skipDocs, DocsEnum reuse, DocsFlags flags);
public override DocsEnum Docs(IBits bits, DocsEnum reuse, DocsFlags flags)
{
return(tenum.Docs(bits, reuse, flags));
}
/// <summary> /// Get <see cref="DocsEnum"/> for the current term, with /// control over whether freqs are required. Do not /// call this when the enum is unpositioned. This method /// will not return <c>null</c>. /// </summary> /// <param name="liveDocs"> Unset bits are documents that should not /// be returned </param> /// <param name="reuse"> Pass a prior DocsEnum for possible reuse </param> /// <param name="flags"> Specifies which optional per-document values /// you require; <see cref="DocsFlags"/></param> /// <seealso cref="Docs(IBits, DocsEnum)"/> public abstract DocsEnum Docs(IBits liveDocs, DocsEnum reuse, DocsFlags flags);
public override DocsEnum Docs(IBits liveDocs, DocsEnum reuse, DocsFlags flags)
{
return(actualEnum.Docs(liveDocs, reuse, flags));
}
/// <summary>
/// Returns a <see cref="DocsEnum"/>, but randomly sometimes uses a
/// <see cref="MultiDocsEnum"/>, <see cref="DocsAndPositionsEnum"/>. Returns null
/// if field/term doesn't exist.
/// </summary>
public static DocsEnum Docs(Random random, IndexReader r, string field, BytesRef term, IBits liveDocs, DocsEnum reuse, DocsFlags flags)
{
Terms terms = MultiFields.GetTerms(r, field);
if (terms == null)
{
return(null);
}
TermsEnum termsEnum = terms.GetEnumerator();
if (!termsEnum.SeekExact(term))
{
return(null);
}
return(Docs(random, termsEnum, liveDocs, reuse, flags));
}
