internal EntityTreeMetadata(EntityTreeMappingAttribute attribute)
{
this.attribute = attribute;
if (attribute.SignStyle == SignStyle.Variable && attribute.SignBits != null)
{
lengthBits = new int[attribute.SignBits.Length];
var total = attribute.SignBits[0];
lengthBits[0] = total;
for (var i = 1; i < attribute.SignBits.Length; i++)
{
total += attribute.SignBits[i];
lengthBits[i] = total;
}
}
}
/// <summary>
/// 使用实体类型和 <see cref="EntityTreeMappingAttribute"/> 对象创建一个 <see cref="EntityTreeMetadata"/> 对象。
/// </summary>
/// <param name="attribute"></param>
/// <param name="entityType"></param>
/// <returns></returns>
public static EntityTreeMetadata CreateMetadata(Type entityType, EntityTreeMappingAttribute attribute)
{
var metadata = new EntityTreeMetadata(attribute);
IProperty property;
if (!string.IsNullOrEmpty(attribute.InnerSign) &&
(property = PropertyUnity.GetProperty(entityType, attribute.InnerSign)) != null)
{
metadata.InnerSign = property;
}
if (!string.IsNullOrEmpty(attribute.Level) &&
(property = PropertyUnity.GetProperty(entityType, attribute.Level)) != null)
{
metadata.Level = property;
}
if (!string.IsNullOrEmpty(attribute.Order) &&
(property = PropertyUnity.GetProperty(entityType, attribute.Order)) != null)
{
metadata.Order = property;
}
if (!string.IsNullOrEmpty(attribute.Name) &&
(property = PropertyUnity.GetProperty(entityType, attribute.Name)) != null)
{
metadata.Name = property;
}
if (!string.IsNullOrEmpty(attribute.FullName) &&
(property = PropertyUnity.GetProperty(entityType, attribute.FullName)) != null)
{
metadata.FullName = property;
}
return(metadata);
}