private static object GetPropertyValue(VersionedSchemaObjectBase obj, SchemaPropertyDefine pd)
{
try
{
object defaultValue = TypeCreator.GetTypeDefaultValue(pd.DataType.ToRealType());
object result = defaultValue;
if (pd.DataType == PropertyDataType.Enum)
{
result = obj.Properties.GetValue(pd.Name, (object)null);
}
else
{
result = obj.Properties.GetValue(pd.Name, defaultValue);
}
return(result);
}
catch (System.Exception ex)
{
throw new SystemSupportException(string.Format("生成Snapshot或全文检索时，{0}属性值获取错误: {1}", pd.Name, ex.Message),
ex);
}
}
private static object GetPropertyValue(SchemaObjectBase obj, SchemaPropertyDefine pd)
{
try
{
object defaultValue = TypeCreator.GetTypeDefaultValue(pd.DataType.ToRealType());
return(obj.Properties.GetValue(pd.Name, defaultValue));
}
catch (System.Exception ex)
{
throw new SystemSupportException(string.Format("生成Snapshot或全文检索时，{0}属性值获取错误: {1}", pd.Name, ex.Message),
ex);
}
}
private static string InitDefaultValue(ClientPropertyDataType dataType, string defaultValue)
{
string result = defaultValue;
if (defaultValue.IsNullOrEmpty() && dataType != ClientPropertyDataType.String)
{
object data = TypeCreator.GetTypeDefaultValue(dataType.ToRealType());
if (data != null)
result = data.ToString();
}
return result;
}
private static bool IsTypeDefaultValue(ConditionMappingItemBase item, object data)
{
bool result = false;
if (data != null)
{
Type type = GetMemberInfoType(item.MemberInfo);
if (type == typeof(object))
{
type = data.GetType();
}
if (type.IsEnum)
{
result = false;
if (type == typeof(BooleanState))
{
result = ((BooleanState)data) == BooleanState.Unknown;
}
else
{
result = data.Equals((int)TypeCreator.GetTypeDefaultValue(type));
}
}
else
{
if (type == typeof(string))
{
result = string.IsNullOrEmpty((string)data);
}
else
{
result = data.Equals(TypeCreator.GetTypeDefaultValue(type));
}
}
}
else
{
result = true;
}
return(result);
}
private static void DoInsertUpdateSqlClauseBuilder <T>(SqlClauseBuilderIUW builder, DataProperty property, T graph)
{
object data = GetPropertyValue(property, graph);
if (data == null || data == DBNull.Value || data.Equals(TypeCreator.GetTypeDefaultValue(data.GetType())))
{
if (string.IsNullOrWhiteSpace(property.DefaultValue))
{
data = DBNull.Value;
}
else
{
builder.AppendItem(property.FieldName, property.DefaultValue, SqlClauseBuilderBase.EqualTo, true);
}
}
else
{
builder.AppendItem(property.FieldName, data);
}
}
private static IDictionary <string, object> LoadExtDataFromRawExtData(string raw)
{
IDictionary <string, object> result = new Dictionary <string, object>();
if (string.IsNullOrEmpty(raw) == false)
{
XmlDocument xmlDoc = XmlHelper.CreateDomDocument(raw);
foreach (XmlNode elem in xmlDoc.DocumentElement)
{
string typeDesc = XmlHelper.GetAttributeValue(elem, "type", "System.String");
object defaultValue = TypeCreator.GetTypeDefaultValue(TypeCreator.GetTypeInfo(typeDesc));
result.Add(XmlHelper.GetAttributeText(elem, "key"),
XmlHelper.GetAttributeValue(elem, "value", defaultValue));
}
}
return(result);
}
private static void DoInsertUpdateSqlClauseBuilder <T>(SqlClauseBuilderIUW builder, ORMappingItem item, T graph)
{
if (item.IsIdentity == false)
{
object data = GetValueFromObject(item, graph);
if ((data == null || data == DBNull.Value || (data != null && data.Equals(TypeCreator.GetTypeDefaultValue(data.GetType())))) &&
string.IsNullOrEmpty(item.DefaultExpression) == false)
{
builder.AppendItem(item.DataFieldName, item.DefaultExpression, SqlClauseBuilderBase.EqualTo, true);
}
else
{
builder.AppendItem(item.DataFieldName, data);
}
}
}
/// <summary>
/// 判断该映射字段对应的属性 的值是否是类型默认值
/// </summary>
/// <param name="condtion"></param>
/// <param name="item"></param>
/// <param name="data"></param>
/// <returns></returns>
private static bool IsTypeDefaultValue(this object condtion, ConditionMappingItem item, out object data)
{
data = null;
var pi = item.MemberInfo as PropertyInfo;
if (pi == null)
{
return(true);
}
if (pi.CanRead == false)
{
return(true);
}
data = pi.GetValue(condtion, null);
if (data == null)
{
return(true);
}
Type type = pi.PropertyType;
if (type == typeof(object))
{
type = data.GetType();
}
else if (type.IsEnum)
{
int d = (int)data;
data = d.ToString();
if (d > 0)
{
return(false);
}
return(true);
}
else if (type == typeof(DateTime))
{
DateTime dt = (DateTime)data;
if (dt == DateTime.MinValue)
{
return(true);
}
return(false);
}
else if (type == typeof(decimal))
{
decimal dci = (decimal)data;
if (dci == decimal.MinValue)
{
return(true);
}
return(false);
}
else if (type == typeof(int))
{
int intd = (int)data;
if (intd == int.MinValue)
{
return(true);
}
return(false);
}
else
if (type == typeof(string))
{
return(string.IsNullOrEmpty((string)data));
}
return(data.Equals(TypeCreator.GetTypeDefaultValue(type)));
}
private static void DoSelectSqlClauseBuilder <TBuilder, T>(TBuilder builder, ORMappingItem item, T graph) where TBuilder : SqlClauseBuilderIUW <TBuilder>
{
if (item.PrimaryKey == false)
{
object data = GetValueFromObject(item, graph);
if ((data == null || data == DBNull.Value || (data != null && data.Equals(TypeCreator.GetTypeDefaultValue(data.GetType())))))
{
if (item.DefaultExpression.IsNullOrEmpty())
{
builder.AppendItem(item.DataFieldName, "NULL", "");
}
else
{
builder.AppendItem(item.DataFieldName, item.DefaultExpression, "", true);
}
}
else
{
builder.AppendItem(item.DataFieldName, FormatValue(data, item));
}
}
}
private static void DoInsertUpdateSqlClauseBuilder <TBuilder, T>(TBuilder builder, ORMappingItem item, T graph) where TBuilder : SqlClauseBuilderIUW <TBuilder>
{
if (item.IsIdentity == false)
{
object data = GetValueFromObject(item, graph);
bool considerNull = data == null || data == DBNull.Value || (data != null && data.Equals(TypeCreator.GetTypeDefaultValue(data.GetType())));
if ((item.ForceUseDefaultExpression || considerNull) && item.DefaultExpression.IsNotEmpty())
{
builder.AppendItem(item.DataFieldName, item.DefaultExpression, SqlClauseBuilderBase.EqualTo, true);
}
else
{
builder.AppendItem(item.DataFieldName, FormatValue(data, item));
}
}
}
