public ColumnAttribute Column(string memberName)
{
for (int i = 0; i < properties.Length; i++)
{
DynamicMember property = properties[i];
if (property.MemberInfo.Name.Equals(memberName))
{
return(columns[i]);
}
}
return(null);
}
private static void ColumnInformation(out ColumnAttribute pkColumn, out DynamicMember pkProperty, out ColumnAttribute[] columns, out DynamicMember[] properties)
{
pkColumn = null;
pkProperty = null;
Type type = typeof(T);
List <ColumnAttribute> columnList = new List <ColumnAttribute>();
List <DynamicMember> propertyList = new List <DynamicMember>();
BindingFlags flags = BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public;
foreach (PropertyInfo property in type.GetProperties(flags))
{
foreach (object attr in property.GetCustomAttributes(typeof(ColumnAttribute), true))
{
ColumnAttribute column = (ColumnAttribute)attr;
object[] primaryKeyAttributes = property.GetCustomAttributes(typeof(IdAttribute), true);
if (primaryKeyAttributes.Length > 0)
{
if (primaryKeyAttributes.Length > 1)
{
throw new ActiveRecordException(SR.GetString(SR.RowDataGateway_Duplicate_IdAttribute, new object[] { type.Name, primaryKeyAttributes.Length }));
}
pkColumn = column;
pkProperty = new DynamicMember(type, property);
}
else
{
propertyList.Add(new DynamicMember(type, property));
columnList.Add(column);
}
}
}
foreach (FieldInfo field in type.GetFields(flags))
{
foreach (object attr in field.GetCustomAttributes(typeof(ColumnAttribute), true))
{
propertyList.Add(new DynamicMember(type, field));
columnList.Add((ColumnAttribute)attr);
}
}
columns = columnList.ToArray();
properties = propertyList.ToArray();
if (pkProperty == null)
{
throw new NoPrimaryKeyAnnotationException(
SR.GetString(SR.RowDataGateway_Incomplete_IdAttribute,
new object[] { type.Name }));
}
if (pkColumn == null)
{
throw new NoColumnAttributeException(
SR.GetString(SR.RowDataGateway_Incomplete_IdAttribute,
new object[] { type.Name, pkProperty.MemberInfo.Name }));
}
}
private static void BindColumn(T item, DbCommand command, ColumnAttribute column, DynamicMember property)
{
BindColumn(command, column, property.Get(item));
}
private static void MarshallProperty(T item, IDataRecord reader, ColumnAttribute column, DynamicMember property)
{
if (reader[column.Name].Equals(DBNull.Value))
{
if (column.Nullable)
{
property.Set(item, null);
}
else
{
throw new ArgumentNullException(SR.GetString(SR.RowDataGateway_Null_Property, new object[] { property.MemberInfo.Name }));
}
}
else
{
property.Set(item, reader[column.Name]);
}
}
public RowDataGatewayBinding(ColumnAttribute column, DynamicMember member, object value)
{
this.column = column;
this.member = member;
this.value = value;
}