private void insert(DbIdentityRecordInfo info, object data)
{
DbFieldInfo primaryKey = info.PrimaryKey;
if (primaryKey.FieldType == typeof(Guid))
{
Guid guid = Guid.NewGuid();
primaryKey.SetValue(data, guid);
object[] values = info.GetValues(data, primaryKey.Name, guid);
Accessor.Insert(info.TableName, values);
}
else
if (!info.IsDbGeneratedPrimaryKey)
{
object[] values = info.GetValues(data, primaryKey.Name, primaryKey.GetValue(data));
Accessor.Insert(info.TableName, values);
}
else
{
object[] values = info.GetValues(data);
object newId = Accessor.InsertIdentity(info.TableName, primaryKey.Name, values);
primaryKey.SetValue(data, Convert.ChangeType(newId, primaryKey.FieldType));
}
}
/// <summary>
/// Remove object from database
/// </summary>
/// <param name="data">an object with DbAttributes</param>
/// <returns>true if one object has been removed</returns>
public bool Delete(object data)
{
var info = DbAttributesManager.GetRecordInfo(data.GetType());
var identityRecordInfo = info as DbIdentityRecordInfo;
if (identityRecordInfo != null)
{
DbFieldInfo primaryKey = identityRecordInfo.PrimaryKey;
return(0 < Accessor.Delete(
info.TableName,
primaryKey.Name,
primaryKey.GetValue(data)));
}
return(1 < DeleteByAllFields(data));
}
public bool IsPrimaryKeyValid(object data)
{
var primaryKey = PrimaryKey.GetValue(data);
return(!IsNull(primaryKey));
}
