Пример #1
0
            public BlittableObjectProperty(BlittableObjectInstance parent, string property)
                : base(null, true, null, null)
            {
                _parent   = parent;
                _property = property;
                var index = _parent.Blittable?.GetPropertyIndex(_property);

                if (index == null || index == -1)
                {
                    if (_parent.LuceneDocument != null)
                    {
                        // if it isn't on the document, check if it is stored in the index?
                        var fieldType = QueryResultRetrieverBase.GetFieldType(property, _parent.LuceneDocument);
                        var values    = _parent.LuceneDocument.GetValues(property, _parent.LuceneState);
                        if (fieldType.IsArray)
                        {
                            Value = JsValue.FromObject(_parent.Engine, values);
                        }
                        else if (values.Length == 1)
                        {
                            Value = fieldType.IsJson
                                ? new JsonParser(_parent.Engine).Parse(values[0])
                                : new JsValue(values[0]);
                        }
                        else
                        {
                            Value = JsValue.Undefined;
                        }
                    }
                    else
                    {
                        Value = JsValue.Undefined;
                    }
                }
                else
                {
                    Value = GetPropertyValue(_property, index.Value);
                }
            }
Пример #2
0
            private bool TryGetValueFromLucene(BlittableObjectInstance parent, string property, out JsValue value)
            {
                value = null;

                if (parent.LuceneDocument == null || parent.LuceneIndexFields == null)
                {
                    return(false);
                }

                if (parent.LuceneIndexFields.TryGetValue(_property, out var indexField) == false && parent.LuceneAnyDynamicIndexFields == false)
                {
                    return(false);
                }

                if (indexField != null && indexField.Storage == FieldStorage.No)
                {
                    return(false);
                }

                var fieldType = QueryResultRetrieverBase.GetFieldType(property, parent.LuceneDocument);

                if (fieldType.IsArray)
                {
                    // here we need to perform a manipulation in order to generate the object from the data
                    if (fieldType.IsJson)
                    {
                        Lucene.Net.Documents.Field[] propertyFields = parent.LuceneDocument.GetFields(property);

                        JsValue[] arrayItems =
                            new JsValue[propertyFields.Length];

                        for (int i = 0; i < propertyFields.Length; i++)
                        {
                            var field       = propertyFields[i];
                            var stringValue = field.StringValue(parent.LuceneState);

                            var itemAsBlittable = parent.Blittable._context.ReadForMemory(stringValue, field.Name);

                            arrayItems[i] = TranslateToJs(parent, field.Name, BlittableJsonToken.StartObject, itemAsBlittable);
                        }

                        value = FromObject(parent.Engine, arrayItems);
                        return(true);
                    }

                    var values = parent.LuceneDocument.GetValues(property, parent.LuceneState);
                    value = FromObject(parent.Engine, values);
                    return(true);
                }

                var fieldable = _parent.LuceneDocument.GetFieldable(property);

                if (fieldable == null)
                {
                    return(false);
                }

                var val = fieldable.StringValue(_parent.LuceneState);

                if (fieldType.IsJson)
                {
                    BlittableJsonReaderObject valueAsBlittable = parent.Blittable._context.ReadForMemory(val, property);
                    value = TranslateToJs(parent, property, BlittableJsonToken.StartObject, valueAsBlittable);
                    return(true);
                }

                if (fieldable.IsTokenized == false)
                {
                    // NULL_VALUE and EMPTY_STRING fields aren't tokenized
                    // this will prevent converting fields with a "NULL_VALUE" string to null
                    switch (val)
                    {
                    case Client.Constants.Documents.Indexing.Fields.NullValue:
                        value = JsValue.Null;
                        return(true);

                    case Client.Constants.Documents.Indexing.Fields.EmptyString:
                        value = string.Empty;
                        return(true);
                    }
                }

                if (fieldType.IsNumeric)
                {
                    if (long.TryParse(val, out var valueAsLong))
                    {
                        value = valueAsLong;
                    }
                    else if (double.TryParse(val, out var valueAsDouble))
                    {
                        value = valueAsDouble;
                    }
                    else
                    {
                        throw new InvalidOperationException($"Recognized field '{property}' as numeric but was unable to parse its value to 'long' or 'double'. " +
                                                            $"documentId = '{parent.DocumentId}', value = {val}.");
                    }
                }
                else
                {
                    value = val;
                }

                return(true);
            }
            public BlittableObjectProperty(BlittableObjectInstance parent, string property)
                : base(PropertyFlag.CustomJsValue | PropertyFlag.Writable | PropertyFlag.WritableSet | PropertyFlag.Enumerable | PropertyFlag.EnumerableSet)
            {
                _parent   = parent;
                _property = property;
                var index = _parent.Blittable?.GetPropertyIndex(_property);

                if (index == null || index == -1)
                {
                    if (_parent.LuceneDocument != null)
                    {
                        // if it isn't on the document, check if it is stored in the index?
                        var fieldType = QueryResultRetrieverBase.GetFieldType(property, _parent.LuceneDocument);
                        var values    = _parent.LuceneDocument.GetValues(property, _parent.LuceneState);
                        if (fieldType.IsArray)
                        {
                            // here we need to perform a manipulation in order to generate the object from the
                            // data
                            if (fieldType.IsJson)
                            {
                                Lucene.Net.Documents.Field[] propertyFields = _parent.LuceneDocument.GetFields(property);

                                JsValue[] arrayItems =
                                    new JsValue[propertyFields.Length];

                                for (int i = 0; i < propertyFields.Length; i++)
                                {
                                    var field       = propertyFields[i];
                                    var stringValue = field.StringValue(parent.LuceneState);

                                    var maxByteSize     = Encodings.Utf8.GetByteCount(stringValue);
                                    var itemAsBlittable = parent.Blittable._context.ReadForMemory(stringValue, field.Name);

                                    arrayItems[i] = TranslateToJs(_parent, field.Name, BlittableJsonToken.StartObject, itemAsBlittable);
                                }

                                _value = JsValue.FromObject(_parent.Engine, arrayItems);
                            }
                            else
                            {
                                _value = JsValue.FromObject(_parent.Engine, values);
                            }
                        }
                        else if (values.Length == 1)
                        {
                            if (fieldType.IsJson)
                            {
                                BlittableJsonReaderObject valueAsBlittable = parent.Blittable._context.ReadForMemory(values[0], property);
                                _value = TranslateToJs(_parent, property, BlittableJsonToken.StartObject, valueAsBlittable);
                            }
                            else
                            {
                                var value = values[0];
                                switch (value)
                                {
                                case Client.Constants.Documents.Indexing.Fields.NullValue:
                                    value = null;
                                    break;

                                case Client.Constants.Documents.Indexing.Fields.EmptyString:
                                    value = string.Empty;
                                    break;
                                }
                                _value = value;
                            }
                        }
                        else
                        {
                            _value = JsValue.Undefined;
                        }
                    }
                    else
                    {
                        _value = JsValue.Undefined;
                    }
                }
                else
                {
                    _value = GetPropertyValue(_property, index.Value);
                }
            }