/// <summary>
/// write the header for this field </summary>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: private void writeFieldEntry(index.FieldInfo field, index.FieldInfo.DocValuesType type) throws java.io.IOException
private void writeFieldEntry(FieldInfo field, FieldInfo.DocValuesType type)
{
SimpleTextUtil.write(data, FIELD);
SimpleTextUtil.write(data, field.name, scratch);
SimpleTextUtil.WriteNewline(data);
SimpleTextUtil.write(data, TYPE);
SimpleTextUtil.write(data, type.ToString(), scratch);
SimpleTextUtil.WriteNewline(data);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: @Override public index.FieldInfos read(store.Directory directory, String segmentName, String segmentSuffix, store.IOContext iocontext) throws java.io.IOException
public override FieldInfos read(Directory directory, string segmentName, string segmentSuffix, IOContext iocontext)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final String fileName = index.IndexFileNames.segmentFileName(segmentName, segmentSuffix, FIELD_INFOS_EXTENSION);
string fileName = IndexFileNames.segmentFileName(segmentName, segmentSuffix, FIELD_INFOS_EXTENSION);
ChecksumIndexInput input = directory.openChecksumInput(fileName, iocontext);
BytesRef scratch = new BytesRef();
bool success = false;
try
{
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, NUMFIELDS));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final int size = Integer.parseInt(readString(NUMFIELDS.length, scratch));
int size = Convert.ToInt32(readString(NUMFIELDS.length, scratch));
FieldInfo[] infos = new FieldInfo[size];
for (int i = 0; i < size; i++)
{
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, NAME));
string name = readString(NAME.length, scratch);
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, NUMBER));
int fieldNumber = Convert.ToInt32(readString(NUMBER.length, scratch));
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, ISINDEXED));
bool isIndexed = Convert.ToBoolean(readString(ISINDEXED.length, scratch));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final index.FieldInfo.IndexOptions indexOptions;
FieldInfo.IndexOptions indexOptions;
if (isIndexed)
{
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, INDEXOPTIONS));
indexOptions = FieldInfo.IndexOptions.valueOf(readString(INDEXOPTIONS.length, scratch));
}
else
{
indexOptions = null;
}
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, STORETV));
bool storeTermVector = Convert.ToBoolean(readString(STORETV.length, scratch));
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, PAYLOADS));
bool storePayloads = Convert.ToBoolean(readString(PAYLOADS.length, scratch));
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, NORMS));
bool omitNorms = !Convert.ToBoolean(readString(NORMS.length, scratch));
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, NORMS_TYPE));
string nrmType = readString(NORMS_TYPE.length, scratch);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final index.FieldInfo.DocValuesType normsType = docValuesType(nrmType);
FieldInfo.DocValuesType normsType = docValuesType(nrmType);
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, DOCVALUES));
string dvType = readString(DOCVALUES.length, scratch);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final index.FieldInfo.DocValuesType docValuesType = docValuesType(dvType);
FieldInfo.DocValuesType docValuesType = docValuesType(dvType);
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, DOCVALUES_GEN));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final long dvGen = Long.parseLong(readString(DOCVALUES_GEN.length, scratch));
long dvGen = Convert.ToInt64(readString(DOCVALUES_GEN.length, scratch));
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, NUM_ATTS));
int numAtts = Convert.ToInt32(readString(NUM_ATTS.length, scratch));
IDictionary <string, string> atts = new Dictionary <string, string>();
for (int j = 0; j < numAtts; j++)
{
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, ATT_KEY));
string key = readString(ATT_KEY.length, scratch);
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, ATT_VALUE));
string value = readString(ATT_VALUE.length, scratch);
atts[key] = value;
}
infos[i] = new FieldInfo(name, isIndexed, fieldNumber, storeTermVector, omitNorms, storePayloads, indexOptions, docValuesType, normsType, Collections.unmodifiableMap(atts));
infos[i].DocValuesGen = dvGen;
}
SimpleTextUtil.CheckFooter(input);
FieldInfos fieldInfos = new FieldInfos(infos);
success = true;
return(fieldInfos);
}
finally
{
if (success)
{
input.close();
}
else
{
IOUtils.closeWhileHandlingException(input);
}
}
}
private static string getDocValuesType(FieldInfo.DocValuesType type)
{
return(type == null ? "false" : type.ToString());
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public SimpleTextDocValuesReader(index.SegmentReadState state, String ext) throws java.io.IOException
public SimpleTextDocValuesReader(SegmentReadState state, string ext)
{
// System.out.println("dir=" + state.directory + " seg=" + state.segmentInfo.name + " file=" + IndexFileNames.segmentFileName(state.segmentInfo.name, state.segmentSuffix, ext));
data = state.directory.openInput(IndexFileNames.segmentFileName(state.segmentInfo.name, state.segmentSuffix, ext), state.context);
maxDoc = state.segmentInfo.DocCount;
while (true)
{
readLine();
//System.out.println("READ field=" + scratch.utf8ToString());
if (scratch.Equals(END))
{
break;
}
Debug.Assert(startsWith(FIELD), scratch.utf8ToString());
string fieldName = stripPrefix(FIELD);
//System.out.println(" field=" + fieldName);
OneField field = new OneField();
fields[fieldName] = field;
readLine();
Debug.Assert(startsWith(TYPE), scratch.utf8ToString());
FieldInfo.DocValuesType dvType = FieldInfo.DocValuesType.valueOf(stripPrefix(TYPE));
Debug.Assert(dvType != null);
if (dvType == FieldInfo.DocValuesType.NUMERIC)
{
readLine();
Debug.Assert(startsWith(MINVALUE), "got " + scratch.utf8ToString() + " field=" + fieldName + " ext=" + ext);
field.minValue = Convert.ToInt64(stripPrefix(MINVALUE));
readLine();
Debug.Assert(startsWith(PATTERN));
field.pattern = stripPrefix(PATTERN);
field.dataStartFilePointer = data.FilePointer;
data.seek(data.FilePointer + (1 + field.pattern.Length + 2) * maxDoc);
}
else if (dvType == FieldInfo.DocValuesType.BINARY)
{
readLine();
Debug.Assert(startsWith(MAXLENGTH));
field.maxLength = Convert.ToInt32(stripPrefix(MAXLENGTH));
readLine();
Debug.Assert(startsWith(PATTERN));
field.pattern = stripPrefix(PATTERN);
field.dataStartFilePointer = data.FilePointer;
data.seek(data.FilePointer + (9 + field.pattern.Length + field.maxLength + 2) * maxDoc);
}
else if (dvType == FieldInfo.DocValuesType.SORTED || dvType == FieldInfo.DocValuesType.SORTED_SET)
{
readLine();
Debug.Assert(startsWith(NUMVALUES));
field.numValues = Convert.ToInt64(stripPrefix(NUMVALUES));
readLine();
Debug.Assert(startsWith(MAXLENGTH));
field.maxLength = Convert.ToInt32(stripPrefix(MAXLENGTH));
readLine();
Debug.Assert(startsWith(PATTERN));
field.pattern = stripPrefix(PATTERN);
readLine();
Debug.Assert(startsWith(ORDPATTERN));
field.ordPattern = stripPrefix(ORDPATTERN);
field.dataStartFilePointer = data.FilePointer;
data.seek(data.FilePointer + (9 + field.pattern.Length + field.maxLength) * field.numValues + (1 + field.ordPattern.Length) * maxDoc);
}
else
{
throw new AssertionError();
}
}
// We should only be called from above if at least one
// field has DVs:
Debug.Assert(fields.Count > 0);
}
