/// <summary>
/// SetValue的最后一步
/// </summary>
/// <param name="property"></param>
/// <param name="value"></param>
internal void SetValueLastStep(DomainProperty property, object value)
{
var oldValue = this.DataProxy.Load(property);
bool isChanged = false;
if (property.ChangedMode == PropertyChangedMode.Compare)
{
if (this.SetPropertyChanged(property, oldValue, value))
{
isChanged = true;
}
}
else if (property.ChangedMode == PropertyChangedMode.Definite)
{
this.SetPropertyChanged(property);
isChanged = true;
}
if (isChanged)
{
var collection = value as IDomainCollection;
if (collection != null)
{
collection.Parent = this;
}
this.DataProxy.Save(property, value);
HandlePropertyChanged(property, value, oldValue);
}
}
private void RaisePropertyChanged <T>(DomainProperty property, T newValue, T oldValue)
{
if (IsConstructing)
{
return; //构造时，不触发任何事件
}
if (!property.IsRegisteredChanged && this.PropertyChanged == null)
{
return;
}
var ctx = GetRunContext(property.RuntimeChangedId);
if (!ctx.InCallBack)
{
var args = new DomainPropertyChangedEventArgs(property, newValue, oldValue);
//先进行对象内部回调方法
ctx.InCallBack = true;
property.ChangedChain.Invoke(this, args);
args.NewValue = this.GetValue(property);//同步数据
ctx.InCallBack = false;
//最后执行对象级别挂载的事件
if (this.PropertyChanged != null)
{
ctx.InCallBack = true;
this.PropertyChanged(this, args);
args.NewValue = this.GetValue(property);//同步数据
ctx.InCallBack = false;
}
}
}
private DomainProperty GetValueProperty(RuntimeType objectType, ValueEntry entry)
{
var propertyName = entry.Name.FirstToUpper();
var propertyType = GetValueType(entry);
var propertyInfo = objectType.AddProperty(propertyName, propertyType);
propertyInfo.AddAttribute(new PropertyRepositoryAttribute());
object defaultValue = DataUtil.GetDefaultValue(propertyType);
//字符串类型处理
if (entry.TypeName == "string" || entry.TypeName == "ascii")
{
if (entry.Descriptions.Count > 0)
{
if (int.TryParse(entry.Descriptions[0], out int max))
{
propertyInfo.AddAttribute(new StringLengthAttribute(0, max));
}
if (entry.TypeName == "ascii")
{
propertyInfo.AddAttribute(new ASCIIStringAttribute());
}
}
defaultValue = string.Empty;
}
return(DomainProperty.Register(propertyName, propertyType, objectType, (o, p) => { return defaultValue; }, PropertyChangedMode.Compare, propertyType));
}
private static void InitAccessLevel(DomainProperty property)
{
if (property.IsExtensions)
{
var method = ExtendedClassAttribute.GetPropertyMethod(property.OwnerType, property.Name);
property.AccessLevelGet = GetAccessLevel(method.Get);
property.AccessLevelSet = GetAccessLevel(method.Set);
}
else
{
var pi = property.PropertyInfo;
if (property.IsDynamic)
{
//动态属性的访问是公开的
property.AccessLevelGet = PropertyAccessLevel.Public;
property.AccessLevelSet = PropertyAccessLevel.Public;
}
else
{
property.AccessLevelGet = GetAccessLevel(pi.GetMethod);
property.AccessLevelSet = GetAccessLevel(pi.SetMethod);
}
}
}
/// <summary>
/// 在有效的属性对象上执行方法，只有被加载了的对象才执行
/// </summary>
/// <param name="action"></param>
private void InvokeProperties(Action <DomainObject> action)
{
var properties = DomainProperty.GetProperties(this.ObjectType);
foreach (var property in properties)
{
switch (property.DomainPropertyType)
{
case DomainPropertyType.EntityObject:
case DomainPropertyType.ValueObject:
{
DomainObject obj = null;
if (TryGetValue <DomainObject>(property, ref obj))
{
action(obj);
}
}
break;
case DomainPropertyType.EntityObjectList:
case DomainPropertyType.ValueObjectList:
{
IEnumerable list = null;
if (TryGetValue <IEnumerable>(property, ref list))
{
foreach (DomainObject obj in list)
{
action(obj);
}
}
}
break;
}
}
}
protected override void Validate(DomainObject domainObject, DomainProperty property, IList propertyValue, ValidationResult result)
{
var list = propertyValue as IList;
if (list != null) //为null的情况不检查，交由别的对象检查
{
int count = list.Count;
if (count < this.Min)
{
result.AddError(property.Name, ListCountError, string.Format(Strings.ListCountLessThan, property.Name, this.Min));
}
else if (count > this.Max)
{
result.AddError(property.Name, ListCountError, string.Format(Strings.ListCountMoreThan, property.Name, this.Max));
}
if (this.ValidateItem)
{
foreach (var item in list)
{
ISupportFixedRules support = item as ISupportFixedRules;
if (support != null)
{
ValidationResult t = support.Validate();
if (!t.IsSatisfied)
{
result.AddError(property.Name, ListItemError, string.Format(Strings.ListItemError, property.Name, t.Message));
}
}
}
}
}
}
/// <summary>
/// 要通过数据判断值对象相等
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public override bool Equals(object obj)
{
var target = obj as ValueObject;
if (target == null)
{
return(false);
}
var targetType = target.ObjectType;
if (targetType != ObjectType)
{
return(false);
}
//对比所有领域属性
var properties = DomainProperty.GetProperties(ObjectType);
foreach (var property in properties)
{
if (!EqualsHelper.ObjectEquals(this.GetValue(property), target.GetValue(property)))
{
return(false);
}
}
return(true);
}
/// <summary>
/// 实现动态对象属性值设置的方法。
/// </summary>
/// <param name="binder"></param>
/// <param name="value"></param>
/// <returns></returns>
public override bool TrySetMember(System.Dynamic.SetMemberBinder binder, object value)
{
var propertyName = binder.Name;
var property = DomainProperty.GetProperty(this.ObjectType, propertyName);
SetValue(property, value);
return(true);
}
/// <summary>
/// 实现动态对象属性成员访问的方法，得到返回指定属性的值
/// </summary>
/// <param name="binder"></param>
/// <param name="result"></param>
/// <returns></returns>
public override bool TryGetMember(System.Dynamic.GetMemberBinder binder, out object result)
{
var propertyName = binder.Name;
var property = DomainProperty.GetProperty(this.ObjectType, propertyName);
result = GetValue(property);
return(true);
}
private object GetPrimitiveValue(DomainProperty property, object value)
{
if (property.DomainPropertyType == DomainPropertyType.Primitive)
{
return(DataUtil.ToValue(value, property.PropertyType));
}
throw new DomainDrivenException(string.Format(Strings.DynamicObjectLoadError, this.Define.TypeName));
}
private PropertyRepositoryAttribute GetPropertyTip()
{
var objectType = _constructorTip.Constructor.ReflectedType;
var propertyName = this.Original.Name;
var property = DomainProperty.GetProperty(objectType, propertyName);
return(property.RepositoryTip);
}
/// <summary>
/// 当属性的值已经被加载，就获取数据，否则不获取
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="property"></param>
/// <returns></returns>
private bool TryGetValue <T>(DomainProperty property, ref T value) where T : class
{
if (this.DataProxy.IsLoaded(property))
{
value = GetValue <T>(property);
return(true);
}
return(false);
}
private object FindObject(RemotableAttribute tip, DTObject arg)
{
var idProperty = DomainProperty.GetProperty(tip.ObjectType, EntityObject.IdPropertyName);
var id = DataUtil.ToValue(arg.GetValue("id"), idProperty.PropertyType);
var repository = Repository.Create(tip.ObjectType);
return(repository.Find(id, QueryLevel.None));
}
protected override void Validate(DomainObject domainObject, DomainProperty property, string propertyValue, ValidationResult result)
{
if (propertyValue != null)
{
if (!propertyValue.IsASCII())
{
result.AddError(property.Name, "NotASCII", string.Format(Strings.NotASCII, propertyValue));
}
}
}
/// <summary>
/// 该方法虽然是公开的，但是<paramref name="property"/>都是由类内部或者扩展类定义的，
/// 所以获取值和设置值只能通过常规的属性操作，无法通过该方法
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="property"></param>
/// <returns></returns>
public T GetValue <T>(DomainProperty property)
{
var value = GetValue(property);
if (value == null)
{
throw new IsNullException(property.Name);
}
return((T)value);
}
/// <summary>
/// 外界可以手工指定数据
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="name"></param>
/// <param name="value"></param>
public void Save(DomainProperty property, object value)
{
if (property.IsQuoteAggreateRoot())
{
SaveToAppSession(property, value);
}
else
{
SaveToShare(property, value);
}
}
protected override void Validate(DomainObject domainObject, DomainProperty property, DomainObject propertyValue, ValidationResult result)
{
if (propertyValue != null)
{
ValidationResult t = propertyValue.Validate();
if (!t.IsSatisfied)
{
result.AddError(ErrorCode, string.Format(Strings.DoNotMeetSpecifications, property.Name));
}
}
}
protected override void Validate(DomainObject domainObject, DomainProperty property, long propertyValue, ValidationResult result)
{
if (propertyValue < this.Min)
{
result.AddError(property.Name, ErrorCode, string.Format(Strings.ValueLessThan, property.Name, this.Min));
}
else if (propertyValue > this.Max)
{
result.AddError(property.Name, ErrorCode, string.Format(Strings.ValueMoreThan, property.Name, this.Max));
}
}
protected override void Validate(DomainObject domainObject, DomainProperty property, string propertyValue, ValidationResult result)
{
if (string.IsNullOrEmpty(propertyValue))
{
return;
}
if (!string.IsNullOrEmpty(_pattern))
{
if (!_regex.IsMatch(propertyValue))
{
result.AddError(property.Name, StringFormatError, string.Format(Extensions.Strings.DoesNotMeetRule, property.Name, _pattern));
}
}
else
{
var value = propertyValue;
if (_contains.Length > 0)
{
foreach (string temp in _contains)
{
value = value.Replace(temp, string.Empty);
}
}
RegexPool reg = null;
string message = null;
if (IsChineseAndLetterAndNumber(_formatValue))
{
reg = _chineseAndLetterAndNumberRegex;
message = Extensions.Strings.CEN;
}
else if (IsLetterAndNumber(_formatValue))
{
reg = _letterAndNumberRegex;
message = Extensions.Strings.EN;
}
else if (IsChineseAndLetter(_formatValue))
{
reg = _chineseAndLetterRegex;
message = Extensions.Strings.CE;
}
else if (IsChineseAndNumber(_formatValue))
{
reg = _chineseAndNumberRegex;
message = Extensions.Strings.CN;
}
if (reg != null && !reg.IsMatch(value))
{
result.AddError(property.Name, StringFormatError, string.Format(Extensions.Strings.CanOnlyInclude, property.Name, message));
}
}
}
protected override void Validate(DomainObject domainObject, DomainProperty property, string propertyValue, ValidationResult result)
{
if (string.IsNullOrEmpty(propertyValue))
{
return; //是否能为空的验证由别的验证器处理
}
if (!IsMatch(propertyValue))
{
result.AddError(property.Name, "MobileNumber", string.Format(Strings.IncorrectMobileNumberFormat, property.Name));
}
}
/// <summary>
/// 根据对比结果，设置属性是否被更改
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="oldValue"></param>
/// <param name="newValue"></param>
/// <param name="propertyName"></param>
/// <returns></returns>
private bool SetPropertyChanged <T>(DomainProperty property, T oldValue, T newValue)
{
//要用Equals判断
if (object.Equals(oldValue, newValue))
{
return(false);
}
_machine.SetPropertyChanged(property.Name);
DuplicateMachineSetPropertyChanged(property.Name);
return(true);
}
/// <summary>
/// 根据属性标记的验证器特性，得到验证器
/// </summary>
/// <returns></returns>
internal static IEnumerable <IPropertyValidator> GetValidators(Type objType, string propertyName)
{
var attributes = DomainProperty.GetAttributes <PropertyValidatorAttribute>(objType, propertyName);
List <IPropertyValidator> validators = new List <IPropertyValidator>(attributes.Count());
foreach (var attr in attributes)
{
validators.Add(attr.CreateValidator());
}
return(validators);
}
internal static IEnumerable <Func <DomainObject, object> > GetMethods(Type objType, string propertyName)
{
var attributes = DomainProperty.GetAttributes <PropertyGetAttribute>(objType, propertyName);
List <Func <DomainObject, object> > methods = new List <Func <DomainObject, object> >(attributes.Count());
foreach (var attribute in attributes)
{
methods.Add(attribute.GetAction());
}
return(methods);
}
/// <summary>
/// 外界标记某个属性发生了变化，这常常是由于属性本身的成员发生了变化，而触发的属性变化
/// 该方法会触发属性被改变的事件
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="property"></param>
public void MarkPropertyChanged(DomainProperty property)
{
if (!this.IsPropertyLoaded(property))
{
return;
}
this.SetPropertyChanged(property);
var value = this.GetValue(property);
HandlePropertyChanged(property, value, value);
}
protected void UseDefines(DTObject arg, Action <AggregateRootDefine, object> action)
{
var typeName = arg.GetValue <string>("typeName");
var defines = RemoteType.GetDefines(typeName);
foreach (var define in defines)
{
var idProperty = DomainProperty.GetProperty(define.MetadataType, EntityObject.IdPropertyName);
var id = DataUtil.ToValue(arg.GetValue(EntityObject.IdPropertyName), idProperty.PropertyType);
action((AggregateRootDefine)define, id);
}
}
private DomainProperty GetValueProperty(RuntimeType objectType, ValueEntry entry)
{
var propertyName = entry.Name.FirstToUpper();
var propertyType = GetValueType(entry);
var propertyInfo = objectType.AddProperty(propertyName, propertyType);
propertyInfo.AddAttribute(new PropertyRepositoryAttribute());
object defaultValue = entry.IsString ? string.Empty : DataUtil.GetDefaultValue(propertyType);
AttachAttributes(propertyInfo, entry);
return(DomainProperty.Register(propertyName, propertyType, objectType, (o, p) => { return defaultValue; }, PropertyChangedMode.Compare, propertyType));
}
private DomainProperty GetObjectProperty(RuntimeType objectType, ObjectEntry entry)
{
string propertyName = entry.Name.FirstToUpper();
var define = GetObjectDefine(objectType, entry);
Type propertyType = define.MetadataType;
var propertyInfo = objectType.AddProperty(propertyName, propertyType);
propertyInfo.AddAttribute(new PropertyRepositoryAttribute());
return(DomainProperty.Register(propertyName, propertyType, objectType, (o, p) => { return define.EmptyInstance; }, PropertyChangedMode.Definite, propertyType));
}
/// <summary>
/// 是否有脏的属性
/// </summary>
/// <returns></returns>
private bool HasDirtyProperty()
{
var properties = DomainProperty.GetProperties(this.ObjectType);
foreach (var property in properties)
{
if (IsPropertyDirty(property))
{
return(true);
}
}
return(false);
}
private void ValidateProperties(IDomainObject obj, ValidationResult result)
{
var properties = DomainProperty.GetProperties(obj.GetType());
foreach (var property in properties)
{
if (obj.IsPropertyDirty(property))
{
//我们只用验证脏属性
ValidateProperty(obj, property, result);
}
}
}
/// <summary>
/// 属性是否为脏的
/// </summary>
/// <param name="property"></param>
/// <returns></returns>
public bool IsPropertyDirty(DomainProperty property)
{
if (this.IsNew)
{
return(true); //如果是新建对象，那么属性一定是脏的
}
var isChanged = IsPropertyChanged(property);
if (isChanged)
{
return(true); //属性如果被改变，那么我们认为就是脏的，这是一种粗略的判断，因为就算属性改变了，有可能经过2次修改后变成与数据库一样的值，这样就不是脏的了，但是为了简单化处理，我们仅认为只要改变了就是脏的，这种判断不过可以满足100%应用
}
//如果属性没有被改变，那么我们需要进一步判断属性的成员是否发生改变
switch (property.DomainPropertyType)
{
case DomainPropertyType.ValueObject:
case DomainPropertyType.EntityObject:
case DomainPropertyType.EntityObjectPro:
{
DomainObject obj = null;
if (TryGetValue <DomainObject>(property, ref obj))
{
//如果加载了，就进一步判断
return(obj.IsDirty);
}
}
break;
case DomainPropertyType.ValueObjectList:
case DomainPropertyType.EntityObjectList:
case DomainPropertyType.EntityObjectProList:
{
IEnumerable list = null;
if (TryGetValue <IEnumerable>(property, ref list))
{
//如果加载了，就进一步判断
foreach (DomainObject obj in list)
{
if (obj.IsDirty)
{
return(true);
}
}
}
}
break;
}
//AggregateRoot和AggregateRootList 只用根据IsPropertyChanged判断即可，因为他们是外部内聚根对象，是否变脏与本地内聚根没有关系
return(false);
}
