示例#1
0
        ///--------------------------------------------------------------------------------
        /// <summary>This method determines if the input enterprise data object is equal to
        /// (in key values) to the current instance.</summary>
        ///
        /// <param name="inputObject">The item to compare.</param>
        ///
        /// <returns>True if two instances compare as equal, false otherwise.</returns>
        ///--------------------------------------------------------------------------------
        public override bool Equals(object inputObject)
        {
            if (inputObject == null)
            {
                return(false);
            }

            if (inputObject is IEnterpriseDataObject && GetType().Name == inputObject.GetType().Name)
            {
                IEnterpriseDataObject inputEnterpriseDataObject = (IEnterpriseDataObject)inputObject;

                // compare primary key values for equality
                if (PrimaryKeyValues != inputEnterpriseDataObject.PrimaryKeyValues)
                {
                    return(false);
                }

                // compare all public property values for equality
                GenericEntity inputEntity = null;
                if (DataTransformHelper.EntityPropertyFieldInfoCache.GenericEntityCache[inputEnterpriseDataObject.GetType().FullName] is GenericEntity)
                {
                    inputEntity = DataTransformHelper.EntityPropertyFieldInfoCache.GenericEntityCache[inputEnterpriseDataObject.GetType().FullName] as GenericEntity;
                }
                else
                {
                    inputEntity = DataTransformHelper.EntityPropertyFieldInfoCache.AddNewEntityWithPropertyFieldInfo(inputEnterpriseDataObject);
                }
                foreach (GenericProperty loopProperty in inputEntity.PropertyList)
                {
                    if (loopProperty.PropertyTypeCode == (int)DataTransformPropertyType.ElementProperty || loopProperty.PropertyTypeCode == (int)DataTransformPropertyType.ElementField)
                    {
                        if (inputEnterpriseDataObject.IsPropertyValueMatch(loopProperty.PropertyName, GetPropertyValue(loopProperty.PropertyName)) == false)
                        {
                            return(false);
                        }
                    }
                }

                return(true);
            }

            return(false);
        }
        ///--------------------------------------------------------------------------------
        /// <summary>Transform data from the input object into the output object.  Each
        /// element to be transformed must have the DataElement or DataArrayItem attribute
        /// associated with it.</summary>
        ///
        /// <param name="inputObject">The object with the input data.</param>
        /// <param name="outputObject">The output object to be populated with the input data.</param>
        /// <param name="filterElements">Data elements to filter out of the transformation.</param>
        /// <param name="includeCollections">Flag indicating whether or not to include collections in the transform.</param>
        /// <param name="getNonDefaultValuesOnly">If true, only return a value if not null and not a default value.</param>
        ///--------------------------------------------------------------------------------
        public static void TransformDataFromObject(IDataObject inputObject, IDataObject outputObject, NameObjectCollection filterElements, bool includeCollections, bool getNonDefaultValuesOnly)
        {
            GenericEntity inputEntity        = null;
            GenericEntity outputEntity       = null;
            PropertyInfo  inputPropertyInfo  = null;
            PropertyInfo  outputPropertyInfo = null;
            FieldInfo     inputFieldInfo     = null;
            FieldInfo     outputFieldInfo    = null;
            object        inputArrayValue    = null;
            object        inputValue         = null;
            Type          inputType          = null;
            string        inputTypeName      = String.Empty;
            string        outputTypeName     = String.Empty;

            try
            {
                if (inputObject != null && outputObject != null)
                {
                    // get input and output entities that contain property and field info information
                    // add new input and output objects encountered to the entity property/field info cache
                    inputTypeName = inputObject.GetType().FullName;
                    if (EntityPropertyFieldInfoCache.GenericEntityCache[inputTypeName] is GenericEntity)
                    {
                        inputEntity = EntityPropertyFieldInfoCache.GenericEntityCache[inputTypeName] as GenericEntity;
                    }
                    else
                    {
                        inputEntity = EntityPropertyFieldInfoCache.AddNewEntityWithPropertyFieldInfo(inputObject);
                    }
                    outputTypeName = outputObject.GetType().FullName;
                    if (EntityPropertyFieldInfoCache.GenericEntityCache[outputTypeName] is GenericEntity)
                    {
                        outputEntity = EntityPropertyFieldInfoCache.GenericEntityCache[outputTypeName] as GenericEntity;
                    }
                    else
                    {
                        outputEntity = EntityPropertyFieldInfoCache.AddNewEntityWithPropertyFieldInfo(outputObject);
                    }

                    // go through transform elements and perform transform where applicable/allowed
                    foreach (GenericProperty loopOutputProperty in outputEntity.PropertyList)
                    {
                        if (filterElements == null || filterElements[loopOutputProperty.PropertyName].GetString() == String.Empty)
                        {
                            bool transformPerformed = false;
                            foreach (GenericProperty loopInputProperty in inputEntity.PropertyList)
                            {
                                if (loopOutputProperty.PropertyName == loopInputProperty.PropertyName)
                                {
                                    switch (loopInputProperty.PropertyTypeCode)
                                    {
                                    case (int)DataTransformPropertyType.ElementProperty:
                                        switch (loopOutputProperty.PropertyTypeCode)
                                        {
                                        case (int)DataTransformPropertyType.ElementProperty:
                                            // transform property to property
                                            inputPropertyInfo  = loopInputProperty.GenericValue as PropertyInfo;
                                            outputPropertyInfo = loopOutputProperty.GenericValue as PropertyInfo;
                                            inputValue         = DataHelper.GetValueFromSystemType(inputObject.GetPropertyValueString(inputPropertyInfo.Name), outputPropertyInfo.PropertyType.UnderlyingSystemType.FullName, getNonDefaultValuesOnly);
                                            if (inputValue != null || getNonDefaultValuesOnly == false)
                                            {
                                                outputPropertyInfo.SetValue(outputObject, inputValue, null);
                                            }
                                            transformPerformed = true;
                                            break;

                                        case (int)DataTransformPropertyType.ElementField:
                                            // transform property to field
                                            inputPropertyInfo = loopInputProperty.GenericValue as PropertyInfo;
                                            outputFieldInfo   = loopOutputProperty.GenericValue as FieldInfo;
                                            inputValue        = DataHelper.GetValueFromSystemType(inputObject.GetPropertyValueString(inputPropertyInfo.Name), outputFieldInfo.FieldType.UnderlyingSystemType.FullName, getNonDefaultValuesOnly);
                                            if (inputValue != null || getNonDefaultValuesOnly == false)
                                            {
                                                outputFieldInfo.SetValue(outputObject, inputValue);
                                            }
                                            transformPerformed = true;
                                            break;

                                        default:
                                            break;
                                        }
                                        break;

                                    case (int)DataTransformPropertyType.ElementField:
                                        switch (loopOutputProperty.PropertyTypeCode)
                                        {
                                        case (int)DataTransformPropertyType.ElementProperty:
                                            // transform field to property
                                            inputFieldInfo     = loopInputProperty.GenericValue as FieldInfo;
                                            outputPropertyInfo = loopOutputProperty.GenericValue as PropertyInfo;
                                            inputValue         = DataHelper.GetValueFromSystemType(inputObject.GetFieldValueString(inputFieldInfo.Name), outputPropertyInfo.PropertyType.UnderlyingSystemType.FullName, getNonDefaultValuesOnly);
                                            if (inputValue != null || getNonDefaultValuesOnly == false)
                                            {
                                                outputPropertyInfo.SetValue(outputObject, inputValue, null);
                                            }
                                            transformPerformed = true;
                                            break;

                                        case (int)DataTransformPropertyType.ElementField:
                                            // transform field to field
                                            inputFieldInfo  = loopInputProperty.GenericValue as FieldInfo;
                                            outputFieldInfo = loopOutputProperty.GenericValue as FieldInfo;
                                            inputValue      = DataHelper.GetValueFromSystemType(inputObject.GetFieldValueString(inputFieldInfo.Name), outputFieldInfo.FieldType.UnderlyingSystemType.FullName, getNonDefaultValuesOnly);
                                            if (inputValue != null || getNonDefaultValuesOnly == false)
                                            {
                                                outputFieldInfo.SetValue(outputObject, inputValue);
                                            }
                                            transformPerformed = true;
                                            break;

                                        default:
                                            break;
                                        }
                                        break;

                                    case (int)DataTransformPropertyType.ArrayItemProperty:
                                        if (includeCollections == true)
                                        {
                                            inputType         = null;
                                            inputPropertyInfo = loopInputProperty.GenericValue as PropertyInfo;
                                            inputArrayValue   = inputPropertyInfo.GetValue(inputObject, null);
                                            if (inputArrayValue != null)
                                            {
                                                if (inputPropertyInfo.PropertyType.IsGenericType && inputPropertyInfo.PropertyType.GetProperty("Item") != null)
                                                {
                                                    inputType = inputPropertyInfo.PropertyType.GetProperty("Item").PropertyType;
                                                }
                                                if (inputType != null)
                                                {
                                                    switch (loopOutputProperty.PropertyTypeCode)
                                                    {
                                                    case (int)DataTransformPropertyType.ArrayItemProperty:
                                                        // create array item and transfer property to property
                                                        outputPropertyInfo = loopOutputProperty.GenericValue as PropertyInfo;
                                                        outputPropertyInfo.SetValue(outputObject, Activator.CreateInstance(outputPropertyInfo.PropertyType, inputType, inputArrayValue, filterElements), null);
                                                        transformPerformed = true;
                                                        break;

                                                    case (int)DataTransformPropertyType.ArrayItemField:
                                                        // create array item and transfer property to field
                                                        outputFieldInfo = loopOutputProperty.GenericValue as FieldInfo;
                                                        outputFieldInfo.SetValue(outputObject, Activator.CreateInstance(outputFieldInfo.FieldType, inputType, inputArrayValue, filterElements));
                                                        transformPerformed = true;
                                                        break;

                                                    default:
                                                        break;
                                                    }
                                                }
                                            }
                                        }
                                        else
                                        {
                                            transformPerformed = true;
                                        }
                                        break;

                                    case (int)DataTransformPropertyType.ArrayItemField:
                                        if (includeCollections == true)
                                        {
                                            inputType       = null;
                                            inputFieldInfo  = loopInputProperty.GenericValue as FieldInfo;
                                            inputArrayValue = inputFieldInfo.GetValue(inputObject);
                                            if (inputArrayValue != null)
                                            {
                                                if (inputFieldInfo.FieldType.IsGenericType && inputFieldInfo.FieldType.GetProperty("Item") != null)
                                                {
                                                    inputType = inputFieldInfo.FieldType.GetProperty("Item").PropertyType;
                                                }
                                                if (inputType != null)
                                                {
                                                    switch (loopOutputProperty.PropertyTypeCode)
                                                    {
                                                    case (int)DataTransformPropertyType.ArrayItemProperty:
                                                        // create array item and transfer field to property
                                                        outputPropertyInfo = loopOutputProperty.GenericValue as PropertyInfo;
                                                        outputPropertyInfo.SetValue(outputObject, Activator.CreateInstance(outputPropertyInfo.PropertyType, inputType, inputArrayValue, filterElements), null);
                                                        transformPerformed = true;
                                                        break;

                                                    case (int)DataTransformPropertyType.ArrayItemField:
                                                        // create array item and transfer field to field
                                                        outputFieldInfo = loopOutputProperty.GenericValue as FieldInfo;
                                                        outputFieldInfo.SetValue(outputObject, Activator.CreateInstance(outputFieldInfo.FieldType, inputType, inputArrayValue, filterElements));
                                                        transformPerformed = true;
                                                        break;

                                                    default:
                                                        break;
                                                    }
                                                }
                                            }
                                        }
                                        else
                                        {
                                            transformPerformed = true;
                                        }
                                        break;

                                    default:
                                        break;
                                    }
                                }
                                if (transformPerformed == true)
                                {
                                    break;
                                }
                            }
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                bool reThrow = ExceptionHandler.HandleException(ex);
                if (reThrow)
                {
                    throw;
                }
            }
            finally
            {
                inputEntity        = null;
                outputEntity       = null;
                inputPropertyInfo  = null;
                outputPropertyInfo = null;
                inputFieldInfo     = null;
                outputFieldInfo    = null;
            }
        }
        ///--------------------------------------------------------------------------------
        /// <summary>Add a generic entity loaded with property and field info from reflection.</summary>
        ///
        /// <param name="inputObject">The object with the input data.</param>
        ///
        /// <returns>A GenericEntity with property/field info.</returns>
        ///--------------------------------------------------------------------------------
        public GenericEntity AddNewEntityWithPropertyFieldInfo(IDataObject inputObject)
        {
            GenericEntity newEntity = new GenericEntity();

            try
            {
                newEntity.EntityName   = inputObject.GetType().FullName;
                newEntity.PropertyList = new SortableDataObjectList <GenericProperty>();

                // add all public properties with the DataElement or DataArrayItem attribute to the entity
                foreach (PropertyInfo loopInfo in inputObject.GetType().GetProperties())
                {
                    foreach (object loopAttribute in loopInfo.GetCustomAttributes(true))
                    {
                        if (loopAttribute is DataElementAttribute)
                        {
                            // get name of property to transform
                            string transformName = (loopAttribute as DataElementAttribute).ElementName.GetString().Trim();
                            if (transformName == String.Empty)
                            {
                                transformName = loopInfo.Name.Trim();
                            }
                            GenericProperty newProperty = new GenericProperty();
                            newProperty.PropertyName = transformName;
                            newProperty.GenericValue = loopInfo;
                            PropertyInfoCache[newEntity.EntityName + "." + transformName] = loopInfo;
                            newProperty.PropertyTypeCode = (int)DataTransformPropertyType.ElementProperty;
                            newEntity.PropertyList.Add(newProperty);
                        }
                        else if (loopAttribute is DataArrayItemAttribute)
                        {
                            // get name of property to transform
                            string transformName = (loopAttribute as DataArrayItemAttribute).ElementName.GetString().Trim();
                            if (transformName == String.Empty)
                            {
                                transformName = loopInfo.Name.Trim();
                            }
                            GenericProperty newProperty = new GenericProperty();
                            newProperty.PropertyName = transformName;
                            newProperty.GenericValue = loopInfo;
                            PropertyInfoCache[newEntity.EntityName + "." + transformName] = loopInfo;
                            newProperty.PropertyTypeCode = (int)DataTransformPropertyType.ArrayItemProperty;
                            newEntity.PropertyList.Add(newProperty);
                        }
                    }
                }

                // add all fields with the DataElement or DataArrayItem attribute to the entity
                foreach (FieldInfo loopInfo in inputObject.GetType().GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.GetField | BindingFlags.Instance))
                {
                    foreach (object loopAttribute in loopInfo.GetCustomAttributes(true))
                    {
                        if (loopAttribute is DataElementAttribute)
                        {
                            // get name of field to transform
                            string transformName = (loopAttribute as DataElementAttribute).ElementName.GetString().Trim();
                            if (transformName == String.Empty)
                            {
                                transformName = loopInfo.Name.Trim();
                            }
                            GenericProperty newProperty = new GenericProperty();
                            newProperty.PropertyName = transformName;
                            newProperty.GenericValue = loopInfo;
                            FieldInfoCache[newEntity.EntityName + "." + transformName] = loopInfo;
                            newProperty.PropertyTypeCode = (int)DataTransformPropertyType.ElementField;
                            newEntity.PropertyList.Add(newProperty);
                        }
                        else if (loopAttribute is DataArrayItemAttribute)
                        {
                            // get name of field to transform
                            string transformName = (loopAttribute as DataArrayItemAttribute).ElementName.GetString().Trim();
                            if (transformName == String.Empty)
                            {
                                transformName = loopInfo.Name.Trim();
                            }
                            GenericProperty newProperty = new GenericProperty();
                            newProperty.PropertyName = transformName;
                            newProperty.GenericValue = loopInfo;
                            FieldInfoCache[newEntity.EntityName + "." + transformName] = loopInfo;
                            newProperty.PropertyTypeCode = (int)DataTransformPropertyType.ArrayItemField;
                            newEntity.PropertyList.Add(newProperty);
                        }
                    }
                }
                GenericEntityCache[newEntity.EntityName] = newEntity;
            }
            catch (Exception ex)
            {
                bool reThrow = ExceptionHandler.HandleException(ex);
                if (reThrow)
                {
                    throw;
                }
            }
            return(newEntity);
        }