public bool ValidateInstance(string jsonData, out string errorMsg)
{
errorMsg = "";
bool result = false;
ValidationResults validateResult = new ValidationResults();
try
{
//反序列化
DEEntityInstance resultInstance = JSONSerializerExecute.Deserialize <DEEntityInstanceBase>(jsonData) as DEEntityInstance;
validateResult = resultInstance.Validate();
if (validateResult.IsValid())
{
result = true;
}
else
{
//错误信息格式 json格式
errorMsg = "[";
foreach (var rst in validateResult)
{
errorMsg += string.Format("{{{0}}},", rst.Message.ToString());
}
errorMsg = errorMsg.TrimEnd(',') + "]";
}
}
catch (Exception e)
{
errorMsg = string.Format("[{{'ErrorMsg':'{0}'}}]", e.Message);
}
return(result);
}
/// <summary>
/// 创建该实体定义的实例(提醒一下各位Coder：实体实例不能New出来只能调用此方法获得)
/// </summary>
/// <param name="instenceID">流程示例ID</param>
/// <returns>流程示例</returns>
public DEEntityInstanceBase CreateInstance(string instenceID)
{
DynamicEntity entity = DEDynamicEntityAdapter.Instance.LoadWithCache(this.ID) as DynamicEntity;
DEEntityInstanceBase result = new DEEntityInstance(entity.ID);
result.ID = instenceID.IsNotEmpty() ? instenceID : UuidHelper.NewUuidString();
result.Name = this.Name + "实体实例";
result.Description = this.Description;
return(result);
}
/// <summary>
/// 验证实体实例的值得类型是否合法
/// </summary>
/// <param name="objectToValidate"></param>
/// <param name="currentObject"></param>
/// <param name="key"></param>
/// <param name="validateResults"></param>
protected override void DoValidate(object objectToValidate, object currentObject, string key, Validation.ValidationResults validateResults)
{
DEEntityInstance instanceData = objectToValidate as DEEntityInstance;
instanceData.Fields.ForEach(f =>
{
//字段的值
object fieldValue = f.GetRealValue();
if (f.Definition.FieldType == Enums.FieldTypeEnum.Collection)
{
DEEntityInstanceBaseCollection childEntities = f.GetRealValue() as DEEntityInstanceBaseCollection;
if (fieldValue is string)
{
//"实体实例'{0}'(实体的ID：{1})的字段'{2}'长度没有通过验证"
RecordValidationResult(validateResults,
string.Format(this.MessageTemplate, f.Definition.ID),
instanceData,
key);
}
childEntities.ForEach(ce =>
{
ce.Validate();
});
}
else
{
//添加验证，调用值转换函数
if (!IsOk(f.Definition.FieldType.ToString(), f.StringValue))
{
RecordValidationResult(validateResults,
string.Format(this.MessageTemplate, f.Definition.ID),
instanceData,
key);
}
//if (f.StringValue is string && f.Definition.FieldType != Enums.FieldTypeEnum.String)
//{
// RecordValidationResult(validateResults,
// string.Format(this.MessageTemplate, instanceData.Name, instanceData.ID, f.Definition.Name),
// instanceData,
// key);
//}
}
});
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public DEEntityInstanceBaseCollection LoadByEntityID(string entityID, int pageIndex, int pageSize, ref int totalNum)
{
DataView dataView = InnerQuery(entityID, pageIndex, pageSize, "CreateDate", ref totalNum);
DataTable table = dataView.ToTable();
Dictionary <string, DynamicEntity> schemaElements = new Dictionary <string, DynamicEntity>(StringComparer.OrdinalIgnoreCase);
DEEntityInstanceBaseCollection instanceCollection = new DEEntityInstanceBaseCollection();
for (int i = 0; i < table.Rows.Count; i++)
{
DynamicEntity dynamicEntity = null;
string entityCode = table.Rows[i]["EntityCode"].ToString();
string data = table.Rows[i]["Data"].ToString();
if (schemaElements.TryGetValue(entityCode, out dynamicEntity) == false)
{
dynamicEntity = DESchemaObjectAdapter.Instance.Load(entityCode) as DynamicEntity;
schemaElements.Add(entityCode, dynamicEntity);
}
if (dynamicEntity != null)
{
DEEntityInstance obj = (DEEntityInstance)dynamicEntity.CreateInstance();
obj.FromString(data);
ORMapping.DataRowToObject(table.Rows[i], obj);
if (instanceCollection.ContainsKey(obj.ID) == false)
{
instanceCollection.Add(obj);
}
}
}
return(instanceCollection);
}
protected override void DoValidate(object objectToValidate, object currentObject, string key, Validation.ValidationResults validateResults)
{
DEEntityInstance instanceData = objectToValidate as DEEntityInstance;
instanceData.Fields.ForEach(f =>
{
if (f.Definition.FieldType == Enums.FieldTypeEnum.Collection)
{
DEEntityInstanceBaseCollection childEntities = f.GetRealValue() as DEEntityInstanceBaseCollection;
if (childEntities.Count > f.Definition.Length)
{
//"实体实例'{0}'(实体的ID：{1})的字段'{2}'长度没有通过验证"
RecordValidationResult(validateResults,
string.Format(this.MessageTemplate, f.Definition.ID),
instanceData,
key);
}
childEntities.ForEach(ce =>
{
ce.Validate();
});
}
else
{
if ((((f.Definition.FieldType == Enums.FieldTypeEnum.Bool) && (f.Definition.Length != 1)) ||
((f.Definition.FieldType != Enums.FieldTypeEnum.Bool) && (f.StringValue.Length > f.Definition.Length))
) && (f.Definition.FieldType != Enums.FieldTypeEnum.DateTime)
)
{
RecordValidationResult(validateResults,
string.Format(this.MessageTemplate, f.Definition.ID),
instanceData,
key);
}
}
});
}
