/// <summary>
/// 指定忽略字段
/// </summary>
/// <typeparam name="T">表达式对应类型</typeparam>
/// <param name="convention">模型约定</param>
/// <param name="expression">Lambda表达式</param>
/// <returns></returns>
public static ModelConvention Ignore <T>(this ModelConvention convention, Expression <Func <T, object> > expression) where T : class
{
var property = ReadExpression(expression);
convention.Properties(x => x == property).Ignore();
return(convention);
}
public DapperDatabaseOptions()
{
_convention = new Lazy <ModelConvention>(() =>
{
ModelConvention c = new ModelConvention();
this.ConventionConfigure?.Invoke(c);
return(c);
}, false);
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="entityType"></param>
/// <param name="typeConvention"></param>
/// <param name="modelConvention"></param>
public DapperMetadata(Type entityType, TypeConvention typeConvention, ModelConvention modelConvention)
{
Guard.ArgumentNotNull(entityType, nameof(entityType));
EntityType = entityType;
var metadatas = from prop in entityType.GetProperties(BindingFlags.Public | BindingFlags.Instance)
where prop.CanRead && prop.CanWrite && CheckFieldType(prop.PropertyType)
let convention = modelConvention.PropertyConventions.FirstOrDefault(x => x.Filter(prop))
select convention != null ? new DapperFieldMetadata(prop, convention) : new DapperFieldMetadata(prop);
Fields = metadatas.ToList();
TableName = MappingStrategyParser.Parse(entityType.Name);
if (typeConvention.Filter(entityType))
{
ReadingConnectionName = typeConvention.DbReadingConnectionName;
WritingConnectionName = typeConvention.DbWritingConnectionName;
}
}
