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C# FieldInfo.GetAttribute方法代码示例

本文整理汇总了C#中FieldInfo.GetAttribute方法的典型用法代码示例。如果您正苦于以下问题:C# FieldInfo.GetAttribute方法的具体用法?C# FieldInfo.GetAttribute怎么用?C# FieldInfo.GetAttribute使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在FieldInfo的用法示例。


在下文中一共展示了FieldInfo.GetAttribute方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: GetInstance

            internal virtual DocValuesConsumer GetInstance(FieldInfo field)
            {
                DocValuesFormat format = null;
                if (field.DocValuesGen != -1)
                {
                    string formatName = field.GetAttribute(PER_FIELD_FORMAT_KEY);
                    // this means the field never existed in that segment, yet is applied updates
                    if (formatName != null)
                    {
                        format = DocValuesFormat.ForName(formatName);
                    }
                }
                if (format == null)
                {
                    format = OuterInstance.GetDocValuesFormatForField(field.Name);
                }
                if (format == null)
                {
                    throw new InvalidOperationException("invalid null DocValuesFormat for field=\"" + field.Name + "\"");
                }
                string formatName_ = format.Name;

                string previousValue = field.PutAttribute(PER_FIELD_FORMAT_KEY, formatName_);
                Debug.Assert(field.DocValuesGen != -1 || previousValue == null, "formatName=" + formatName_ + " prevValue=" + previousValue);

                int suffix = -1;

                ConsumerAndSuffix consumer;
                Formats.TryGetValue(format, out consumer);
                if (consumer == null)
                {
                    // First time we are seeing this format; create a new instance

                    if (field.DocValuesGen != -1)
                    {
                        string suffixAtt = field.GetAttribute(PER_FIELD_SUFFIX_KEY);
                        // even when dvGen is != -1, it can still be a new field, that never
                        // existed in the segment, and therefore doesn't have the recorded
                        // attributes yet.
                        if (suffixAtt != null)
                        {
                            suffix = Convert.ToInt32(suffixAtt);
                        }
                    }

                    if (suffix == -1)
                    {
                        // bump the suffix
                        if (!Suffixes.TryGetValue(formatName_, out suffix))
                        {
                            suffix = 0;
                        }
                        else
                        {
                            suffix = suffix + 1;
                        }
                    }
                    Suffixes[formatName_] = suffix;

                    string segmentSuffix = GetFullSegmentSuffix(SegmentWriteState.SegmentSuffix, GetSuffix(formatName_, Convert.ToString(suffix)));
                    consumer = new ConsumerAndSuffix();
                    consumer.Consumer = format.FieldsConsumer(new SegmentWriteState(SegmentWriteState, segmentSuffix));
                    consumer.Suffix = suffix;
                    Formats[format] = consumer;
                }
                else
                {
                    // we've already seen this format, so just grab its suffix
                    Debug.Assert(Suffixes.ContainsKey(formatName_));
                    suffix = consumer.Suffix;
                }

                previousValue = field.PutAttribute(PER_FIELD_SUFFIX_KEY, Convert.ToString(suffix));
                Debug.Assert(field.DocValuesGen != -1 || previousValue == null, "suffix=" + Convert.ToString(suffix) + " prevValue=" + previousValue);

                // TODO: we should only provide the "slice" of FIS
                // that this DVF actually sees ...
                return consumer.Consumer;
            }
开发者ID:joyanta,项目名称:lucene.net,代码行数:79,代码来源:PerFieldDocValuesFormat.cs

示例2: GetSorted

        public override SortedDocValues GetSorted(FieldInfo field)
        {
            lock (this)
            {
                SortedDocValues instance;
                if (!SortedInstances.TryGetValue(field.Number, out instance))
                {
                    string dataName = IndexFileNames.SegmentFileName(State.SegmentInfo.Name + "_" + Convert.ToString(field.Number), SegmentSuffix, "dat");
                    string indexName = IndexFileNames.SegmentFileName(State.SegmentInfo.Name + "_" + Convert.ToString(field.Number), SegmentSuffix, "idx");
                    IndexInput data = null;
                    IndexInput index = null;
                    bool success = false;
                    try
                    {
                        data = Dir.OpenInput(dataName, State.Context);
                        index = Dir.OpenInput(indexName, State.Context);

                        var type = LegacyDocValuesType.ValueOf(field.GetAttribute(LegacyKey));

                        if (type == LegacyDocValuesType.BYTES_FIXED_SORTED)
                        {
                            instance = LoadBytesFixedSorted(field, data, index);
                        }
                        else if (type == LegacyDocValuesType.BYTES_VAR_SORTED)
                        {
                            instance = LoadBytesVarSorted(field, data, index);
                        }
                        else
                        {
                            throw new InvalidOperationException();
                        }

                        CodecUtil.CheckEOF(data);
                        CodecUtil.CheckEOF(index);
                        success = true;
                    }
                    finally
                    {
                        if (success)
                        {
                            IOUtils.Close(data, index);
                        }
                        else
                        {
                            IOUtils.CloseWhileHandlingException(data, index);
                        }
                    }
                    SortedInstances[field.Number] = instance;
                }
                return instance;
            }
        }
开发者ID:paulirwin,项目名称:lucene.net,代码行数:52,代码来源:Lucene40DocValuesReader.cs

示例3: GetNumeric

        public override NumericDocValues GetNumeric(FieldInfo field)
        {
            lock (this)
            {
                NumericDocValues instance;
                if (!NumericInstances.TryGetValue(field.Number, out instance))
                {
                    string fileName = IndexFileNames.SegmentFileName(State.SegmentInfo.Name + "_" + Convert.ToString(field.Number), SegmentSuffix, "dat");
                    IndexInput input = Dir.OpenInput(fileName, State.Context);
                    bool success = false;
                    try
                    {
                        var type = LegacyDocValuesType.ValueOf(field.GetAttribute(LegacyKey));

                        //switch (Enum.Parse(typeof(LegacyDocValuesType), field.GetAttribute(LegacyKey)))
                        //{
                        if (type == LegacyDocValuesType.VAR_INTS)
                        {
                            instance = LoadVarIntsField(field, input);
                        }
                        else if (type == LegacyDocValuesType.FIXED_INTS_8)
                        {
                            instance = LoadByteField(field, input);
                        }
                        else if (type == LegacyDocValuesType.FIXED_INTS_16)
                        {
                            instance = LoadShortField(field, input);
                        }
                        else if (type == LegacyDocValuesType.FIXED_INTS_32)
                        {
                            instance = LoadIntField(field, input);
                        }
                        else if (type == LegacyDocValuesType.FIXED_INTS_64)
                        {
                            instance = LoadLongField(field, input);
                        }
                        else if (type == LegacyDocValuesType.FLOAT_32)
                        {
                            instance = LoadFloatField(field, input);
                        }
                        else if (type == LegacyDocValuesType.FLOAT_64)
                        {
                            instance = LoadDoubleField(field, input);
                        }
                        else
                        {
                            throw new InvalidOperationException();
                        }

                        CodecUtil.CheckEOF(input);
                        success = true;
                    }
                    finally
                    {
                        if (success)
                        {
                            IOUtils.Close(input);
                        }
                        else
                        {
                            IOUtils.CloseWhileHandlingException(input);
                        }
                    }
                    NumericInstances[field.Number] = instance;
                }
                return instance;
            }
        }
开发者ID:paulirwin,项目名称:lucene.net,代码行数:68,代码来源:Lucene40DocValuesReader.cs

示例4: GetBinary

        public override BinaryDocValues GetBinary(FieldInfo field)
        {
            lock (this)
            {
                BinaryDocValues instance;
                if (!BinaryInstances.TryGetValue(field.Number, out instance))
                {
                    var type = LegacyDocValuesType.ValueOf(field.GetAttribute(LegacyKey));

                    if (type == LegacyDocValuesType.BYTES_FIXED_STRAIGHT)
                    {
                        instance = LoadBytesFixedStraight(field);
                    }
                    else if (type == LegacyDocValuesType.BYTES_VAR_STRAIGHT)
                    {
                        instance = LoadBytesVarStraight(field);
                    }
                    else if (type == LegacyDocValuesType.BYTES_FIXED_DEREF)
                    {
                        instance = LoadBytesFixedDeref(field);
                    }
                    else if (type == LegacyDocValuesType.BYTES_VAR_DEREF)
                    {
                        instance = LoadBytesVarDeref(field);
                    }
                    else
                    {
                        throw new InvalidOperationException();
                    }
                    BinaryInstances[field.Number] = instance;
                }
                return instance;
            }
        }
开发者ID:paulirwin,项目名称:lucene.net,代码行数:34,代码来源:Lucene40DocValuesReader.cs


注:本文中的FieldInfo.GetAttribute方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。