public override FieldsProducer FieldsProducer(SegmentReadState state)
{
PostingsReaderBase postingsReader = new SepPostingsReader(state.Directory,
state.FieldInfos,
state.SegmentInfo,
state.Context,
new MockInt32Factory(baseBlockSize), state.SegmentSuffix);
TermsIndexReaderBase indexReader;
bool success = false;
try
{
indexReader = new FixedGapTermsIndexReader(state.Directory,
state.FieldInfos,
state.SegmentInfo.Name,
state.TermsIndexDivisor,
BytesRef.UTF8SortedAsUnicodeComparer,
state.SegmentSuffix, state.Context);
success = true;
}
finally
{
if (!success)
{
postingsReader.Dispose();
}
}
success = false;
try
{
FieldsProducer ret = new BlockTermsReader(indexReader,
state.Directory,
state.FieldInfos,
state.SegmentInfo,
postingsReader,
state.Context,
state.SegmentSuffix);
success = true;
return(ret);
}
finally
{
if (!success)
{
try
{
postingsReader.Dispose();
}
finally
{
indexReader.Dispose();
}
}
}
}
public override FieldsProducer FieldsProducer(SegmentReadState state)
{
string seedFileName = IndexFileNames.SegmentFileName(state.SegmentInfo.Name, state.SegmentSuffix, SEED_EXT);
IndexInput @in = state.Directory.OpenInput(seedFileName, state.Context);
long seed = @in.ReadInt64();
if (LuceneTestCase.Verbose)
{
Console.WriteLine("MockRandomCodec: reading from seg=" + state.SegmentInfo.Name + " formatID=" + state.SegmentSuffix + " seed=" + seed);
}
@in.Dispose();
Random random = new J2N.Randomizer(seed);
int readBufferSize = TestUtil.NextInt32(random, 1, 4096);
if (LuceneTestCase.Verbose)
{
Console.WriteLine("MockRandomCodec: readBufferSize=" + readBufferSize);
}
PostingsReaderBase postingsReader;
if (random.NextBoolean())
{
if (LuceneTestCase.Verbose)
{
Console.WriteLine("MockRandomCodec: reading Sep postings");
}
postingsReader = new SepPostingsReader(state.Directory, state.FieldInfos, state.SegmentInfo,
state.Context, new MockInt32StreamFactory(random), state.SegmentSuffix);
}
else
{
if (LuceneTestCase.Verbose)
{
Console.WriteLine("MockRandomCodec: reading Standard postings");
}
postingsReader = new Lucene41PostingsReader(state.Directory, state.FieldInfos, state.SegmentInfo, state.Context, state.SegmentSuffix);
}
if (random.NextBoolean())
{
int totTFCutoff = TestUtil.NextInt32(random, 1, 20);
if (LuceneTestCase.Verbose)
{
Console.WriteLine("MockRandomCodec: reading pulsing postings with totTFCutoff=" + totTFCutoff);
}
postingsReader = new PulsingPostingsReader(state, postingsReader);
}
FieldsProducer fields;
int t1 = random.Next(4);
if (t1 == 0)
{
bool success = false;
try
{
fields = new FSTTermsReader(state, postingsReader);
success = true;
}
finally
{
if (!success)
{
postingsReader.Dispose();
}
}
}
else if (t1 == 1)
{
bool success = false;
try
{
fields = new FSTOrdTermsReader(state, postingsReader);
success = true;
}
finally
{
if (!success)
{
postingsReader.Dispose();
}
}
}
else if (t1 == 2)
{
// Use BlockTree terms dict
if (LuceneTestCase.Verbose)
{
Console.WriteLine("MockRandomCodec: reading BlockTree terms dict");
}
bool success = false;
try
{
fields = new BlockTreeTermsReader(state.Directory,
state.FieldInfos,
state.SegmentInfo,
postingsReader,
state.Context,
state.SegmentSuffix,
state.TermsIndexDivisor);
success = true;
}
finally
{
if (!success)
{
postingsReader.Dispose();
}
}
}
else
{
if (LuceneTestCase.Verbose)
{
Console.WriteLine("MockRandomCodec: reading Block terms dict");
}
TermsIndexReaderBase indexReader;
bool success = false;
try
{
bool doFixedGap = random.NextBoolean();
// randomness diverges from writer, here:
if (state.TermsIndexDivisor != -1)
{
state.TermsIndexDivisor = TestUtil.NextInt32(random, 1, 10);
}
if (doFixedGap)
{
// if termsIndexDivisor is set to -1, we should not touch it. It means a
// test explicitly instructed not to load the terms index.
if (LuceneTestCase.Verbose)
{
Console.WriteLine("MockRandomCodec: fixed-gap terms index (divisor=" + state.TermsIndexDivisor + ")");
}
indexReader = new FixedGapTermsIndexReader(state.Directory,
state.FieldInfos,
state.SegmentInfo.Name,
state.TermsIndexDivisor,
BytesRef.UTF8SortedAsUnicodeComparer,
state.SegmentSuffix, state.Context);
}
else
{
int n2 = random.Next(3);
if (n2 == 1)
{
random.Next();
}
else if (n2 == 2)
{
random.NextInt64();
}
if (LuceneTestCase.Verbose)
{
Console.WriteLine("MockRandomCodec: variable-gap terms index (divisor=" + state.TermsIndexDivisor + ")");
}
indexReader = new VariableGapTermsIndexReader(state.Directory,
state.FieldInfos,
state.SegmentInfo.Name,
state.TermsIndexDivisor,
state.SegmentSuffix, state.Context);
}
success = true;
}
finally
{
if (!success)
{
postingsReader.Dispose();
}
}
success = false;
try
{
fields = new BlockTermsReader(indexReader,
state.Directory,
state.FieldInfos,
state.SegmentInfo,
postingsReader,
state.Context,
state.SegmentSuffix);
success = true;
}
finally
{
if (!success)
{
try
{
postingsReader.Dispose();
}
finally
{
indexReader.Dispose();
}
}
}
}
return(fields);
}