public FieldsReader(PerFieldPostingsFormat outerInstance, SegmentReadState readState)
{
this.outerInstance = outerInstance;
// Read _X.per and init each format:
bool success = false;
try
{
// Read field name -> format name
foreach (FieldInfo fi in readState.FieldInfos)
{
if (fi.IsIndexed)
{
string fieldName = fi.Name;
string formatName = fi.GetAttribute(PER_FIELD_FORMAT_KEY);
if (formatName != null)
{
// null formatName means the field is in fieldInfos, but has no postings!
string suffix = fi.GetAttribute(PER_FIELD_SUFFIX_KEY);
if (Debugging.AssertsEnabled)
{
Debugging.Assert(suffix != null);
}
PostingsFormat format = PostingsFormat.ForName(formatName);
string segmentSuffix = GetSuffix(formatName, suffix);
// LUCENENET: Eliminated extra lookup by using TryGetValue instead of ContainsKey
if (!formats.TryGetValue(segmentSuffix, out Codecs.FieldsProducer field))
{
formats[segmentSuffix] = field = format.FieldsProducer(new SegmentReadState(readState, segmentSuffix));
}
fields[fieldName] = field;
}
}
}
success = true;
}
finally
{
if (!success)
{
IOUtils.DisposeWhileHandlingException(formats.Values);
}
}
}
public FieldsWriter(PerFieldPostingsFormat outerInstance, SegmentWriteState state)
{
this.outerInstance = outerInstance;
segmentWriteState = state;
}