NumericField.cs

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/* 
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using System;
using System.IO;
using Lucene.Net.Search;
using NumericTokenStream = Lucene.Net.Analysis.NumericTokenStream;
using TokenStream = Lucene.Net.Analysis.TokenStream;
using NumericUtils = Lucene.Net.Util.NumericUtils;
using FieldCache = Lucene.Net.Search.FieldCache;
using SortField = Lucene.Net.Search.SortField;

namespace Lucene.Net.Documents
{
    // javadocs
    
    [Serializable]
    public sealed class NumericField:AbstractField
    {
        
        new private readonly NumericTokenStream tokenStream;
        
        public NumericField(System.String name):this(name, NumericUtils.PRECISION_STEP_DEFAULT, Field.Store.NO, true)
        {
        }
        
        public NumericField(System.String name, Field.Store store, bool index):this(name, NumericUtils.PRECISION_STEP_DEFAULT, store, index)
        {
        }
        
        public NumericField(System.String name, int precisionStep):this(name, precisionStep, Field.Store.NO, true)
        {
        }
        
        public NumericField(System.String name, int precisionStep, Field.Store store, bool index):base(name, store, index?Field.Index.ANALYZED_NO_NORMS:Field.Index.NO, Field.TermVector.NO)
        {
            OmitTermFreqAndPositions = true;
            tokenStream = new NumericTokenStream(precisionStep);
        }

        public override TokenStream TokenStreamValue
        {
            get { return IsIndexed ? tokenStream : null; }
        }

        public override byte[] GetBinaryValue(byte[] result)
        {
            return null;
        }

        public override TextReader ReaderValue
        {
            get { return null; }
        }

        public override string StringValue
        {
            get { return (fieldsData == null) ? null : fieldsData.ToString(); }
        }

        public ValueType NumericValue
        {
            get { return (System.ValueType) fieldsData; }
        }

        public NumericField SetLongValue(long value_Renamed)
        {
            tokenStream.SetLongValue(value_Renamed);
            fieldsData = value_Renamed;
            return this;
        }
        
        public NumericField SetIntValue(int value_Renamed)
        {
            tokenStream.SetIntValue(value_Renamed);
            fieldsData = value_Renamed;
            return this;
        }
        
        public NumericField SetDoubleValue(double value_Renamed)
        {
            tokenStream.SetDoubleValue(value_Renamed);
            fieldsData = value_Renamed;
            return this;
        }
        
        public NumericField SetFloatValue(float value_Renamed)
        {
            tokenStream.SetFloatValue(value_Renamed);
            fieldsData = value_Renamed;
            return this;
        }
    }
}