Lucene.Net.Index.BaseTermVectorsFormatTestCase.FieldType C# (CSharp) Method

        protected internal virtual FieldType FieldType(Options options)
        {
            var ft = new FieldType(TextField.TYPE_NOT_STORED)
            {
                StoreTermVectors = true,
                StoreTermVectorPositions = (new OptionsWrapper(options)).positions,
                StoreTermVectorOffsets = (new OptionsWrapper(options)).offsets,
                StoreTermVectorPayloads = (new OptionsWrapper(options)).payloads
            };
            ft.Freeze();
            return ft;
        }

            protected internal RandomDocument(BaseTermVectorsFormatTestCase outerInstance, int fieldCount, int maxTermCount, Options options, string[] fieldNames, string[] sampleTerms, BytesRef[] sampleTermBytes)
            {
                this.OuterInstance = outerInstance;
                if (fieldCount > fieldNames.Length)
                {
                    throw new System.ArgumentException();
                }
                this.FieldNames = new string[fieldCount];
                FieldTypes      = new FieldType[fieldCount];
                TokenStreams    = new RandomTokenStream[fieldCount];
                Arrays.Fill(FieldTypes, outerInstance.FieldType(options));
                HashSet <string> usedFileNames = new HashSet <string>();

                for (int i = 0; i < fieldCount; ++i)
                {
                    // LUCENENET NOTE: Using a simple Linq query to filter rather than using brute force makes this a lot
                    // faster (and won't infinitely retry due to poor random distribution).
                    this.FieldNames[i] = RandomInts.RandomFrom(Random(), fieldNames.Except(usedFileNames).ToArray());
                    //do
                    //{
                    //    this.FieldNames[i] = RandomInts.RandomFrom(Random(), fieldNames);
                    //} while (usedFileNames.Contains(this.FieldNames[i]));

                    usedFileNames.Add(this.FieldNames[i]);
                    TokenStreams[i] = new RandomTokenStream(outerInstance, TestUtil.NextInt(Random(), 1, maxTermCount), sampleTerms, sampleTermBytes);
                }
            }