protected override bool UseRandomAccess(Bits bits, int firstFilterDoc)
{
return true;
}
public override DocsAndPositionsEnum DocsAndPositions(Bits liveDocs, DocsAndPositionsEnum reuse, int flags)
{
throw new System.NotSupportedException();
}
public override DocIdSet GetDocIdSet(AtomicReaderContext context, Bits acceptDocs)
{
bool nullBitset = Random().Next(10) == 5;
AtomicReader reader = context.AtomicReader;
DocsEnum termDocsEnum = reader.TermDocsEnum(new Term("field", "0"));
if (termDocsEnum == null)
{
return null; // no docs -- return null
}
BitArray bitSet = new BitArray(reader.MaxDoc);
int d;
while ((d = termDocsEnum.NextDoc()) != DocsEnum.NO_MORE_DOCS)
{
bitSet.SafeSet(d, true);
}
return new DocIdSetAnonymousInnerClassHelper(this, nullBitset, reader, bitSet);
}
public override DocIdSet GetDocIdSet(AtomicReaderContext context, Bits acceptDocs)
{
return new DocIdSetAnonymousInnerClassHelper2(this, context);
}
public override DocIdSet GetDocIdSet(AtomicReaderContext context, Bits acceptDocs)
{
if (acceptDocs == null)
{
acceptDocs = new Bits_MatchAllBits(5);
}
BitArray bitset = new BitArray(5);
if (acceptDocs.Get(1))
{
bitset.SafeSet(1, true);
}
if (acceptDocs.Get(3))
{
bitset.SafeSet(3, true);
}
return new DocIdBitSet(bitset);
}
public override DocIdSet GetDocIdSet(AtomicReaderContext context, Bits acceptDocs)
{
Assert.IsNull(acceptDocs, "acceptDocs should be null, as we have an index without deletions");
BitArray bitset = new BitArray(5, true);
return new DocIdBitSet(bitset);
}
public override DocsAndPositionsEnum DocsAndPositions(Bits liveDocs, DocsAndPositionsEnum reuse, int flags)
{
throw new InvalidOperationException("this method should never be called");
}
/// <summary> /// Get <seealso cref="DocsAndPositionsEnum"/> for the current term, /// with control over whether offsets and payloads are /// required. Some codecs may be able to optimize their /// implementation when offsets and/or payloads are not required. /// Do not call this when the enum is unpositioned. this /// will return null if positions were not indexed. /// </summary> /// <param name="liveDocs"> unset bits are documents that should not /// be returned </param> /// <param name="reuse"> pass a prior DocsAndPositionsEnum for possible reuse </param> /// <param name="flags"> specifies which optional per-position values you /// require; see <seealso cref="DocsAndPositionsEnum#FLAG_OFFSETS"/> and /// <seealso cref="DocsAndPositionsEnum#FLAG_PAYLOADS"/>. </param> public abstract DocsAndPositionsEnum DocsAndPositions(Bits liveDocs, DocsAndPositionsEnum reuse, int flags);
/// <summary>
/// Get <seealso cref="DocsAndPositionsEnum"/> for the current term.
/// Do not call this when the enum is unpositioned. this
/// method will return null if positions were not
/// indexed.
/// </summary>
/// <param name="liveDocs"> unset bits are documents that should not
/// be returned </param>
/// <param name="reuse"> pass a prior DocsAndPositionsEnum for possible reuse </param>
/// <seealso cref= #docsAndPositions(Bits, DocsAndPositionsEnum, int) </seealso>
public DocsAndPositionsEnum DocsAndPositions(Bits liveDocs, DocsAndPositionsEnum reuse)
{
return DocsAndPositions(liveDocs, reuse, DocsAndPositionsEnum.FLAG_OFFSETS | DocsAndPositionsEnum.FLAG_PAYLOADS);
}
/// <summary> /// Get <seealso 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 null. /// </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 <seealso cref="DocsEnum#FLAG_FREQS"/> </param> /// <seealso cref= #docs(Bits, DocsEnum, int) </seealso> public abstract DocsEnum Docs(Bits liveDocs, DocsEnum reuse, int flags);
/// <summary>
/// Get <seealso cref="DocsEnum"/> for the current term. Do not
/// call this when the enum is unpositioned. this method
/// will not return null.
/// </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>
public DocsEnum Docs(Bits liveDocs, DocsEnum reuse)
{
return Docs(liveDocs, reuse, DocsEnum.FLAG_FREQS);
}