/// <inheritdoc/>
public IHasDependencies[] GetObjectsDependingOnThis()
{
return(ColumnInfos.ToArray());
}
/// <summary> /// 判定是否有了对应列 /// </summary> /// <param name="columnKey"></param> /// <returns></returns> public bool HaveColumn(string columnKey) => ColumnInfos != null && ColumnInfos.Count(o => o.ColumnKey == columnKey) > 0;
/// <summary>
///
/// </summary>
/// <param name="type"></param>
/// <param name="tablenameMapper"></param>
public TableInfo(Type type)
{
ClassType = type;
//NOTE: This as dynamic trick should be able to handle both our own Table-attribute as well as the one in EntityFramework
var tableAttr = type
.GetCustomAttributes(false).SingleOrDefault(attr => attr.GetType().Name == "TableAttribute") as dynamic;
if (tableAttr != null)
{
TableName = tableAttr.Name;
if ((!(tableAttr is TableAttribute)) && tableAttr.Schema != null)
{
SchemaName = tableAttr.Schema;
}
}
else
{
TableName = type.Name;
if (type.IsInterface() && TableName.StartsWith("I"))
{
TableName = TableName.Substring(1);
}
}
ColumnInfos = type.GetProperties()
.Where(t => t.GetCustomAttributes(typeof(IgnoreAttribute), false).Count() == 0)
.Select(t =>
{
var columnAtt = t.GetCustomAttributes(false).SingleOrDefault(attr => attr.GetType().Name == "ColumnAttribute") as dynamic;
var ci = new ColumnInfo
{
Property = t,
ColumnName = columnAtt?.Name ?? t.Name,
PropertyName = t.Name,
IsKey = t.GetCustomAttributes(true).Any(a => a is KeyAttribute),
IsIdentity = t.GetCustomAttributes(true).Any(a => a is DatabaseGeneratedAttribute &&
(a as DatabaseGeneratedAttribute).DatabaseGeneratedOption == DatabaseGeneratedOption.Identity),
IsGenerated = t.GetCustomAttributes(true).Any(a => a is DatabaseGeneratedAttribute &&
(a as DatabaseGeneratedAttribute).DatabaseGeneratedOption != DatabaseGeneratedOption.None),
ExcludeOnSelect = t.GetCustomAttributes(true).Any(a => a is IgnoreSelectAttribute)
};
ci.ExcludeOnInsert = ci.IsGenerated ||
t.GetCustomAttributes(true).Any(a => a is IgnoreInsertAttribute) ||
t.GetCustomAttributes(true).Any(a => a is ReadOnlyAttribute);
ci.ExcludeOnUpdate = ci.IsGenerated ||
t.GetCustomAttributes(true).Any(a => a is IgnoreUpdateAttribute) ||
t.GetCustomAttributes(true).Any(a => a is ReadOnlyAttribute);
return(ci);
})
.ToArray();
if (!ColumnInfos.Any(k => k.IsKey))
{
var idProp = ColumnInfos.FirstOrDefault(p => string.Equals(p.PropertyName, "id", StringComparison.CurrentCultureIgnoreCase));
if (idProp != null)
{
idProp.IsKey = idProp.IsGenerated = idProp.IsIdentity = idProp.ExcludeOnInsert = idProp.ExcludeOnUpdate = true;
}
}
}
public void AddColumn(int index, string columnName, string columnType)
{
ColumnInfos.Add(new ColumnInfo {
Index = index, ColumnName = columnName, ColumnType = columnType
});
}
private List <IDataTableColumnInfo> GetDataBoundColumnInfos()
{
return(ColumnInfos.Where(c => GetModelProperties()
.Where(p => p.IsDataBound()).Select(p => p.Name).Contains(c.Data)).ToList());
}
