public static object[] GetPKValues(this RowInfo rowInfo, IDataHelper dataHelper)
{
DbSetInfo dbSetInfo = rowInfo.GetDbSetInfo();
System.Type entityType = dbSetInfo.GetEntityType();
Field[] finfos = dbSetInfo.GetPKFields();
object[] result = new object[finfos.Length];
for (int i = 0; i < finfos.Length; ++i)
{
ValueChange fv = rowInfo.values.Single(v => v.fieldName == finfos[i].fieldName);
result[i] = dataHelper.DeserializeField(entityType, finfos[i], fv.val);
}
return(result);
}
public static string GetWherePKPredicate(this RowInfo rowInfo)
{
DbSetInfo dbSetInfo = rowInfo.GetDbSetInfo();
Field[] pkFieldsInfo = dbSetInfo.GetPKFields();
StringBuilder sb = new StringBuilder();
for (int i = 0; i < pkFieldsInfo.Length; ++i)
{
if (i > 0)
{
sb.Append(" and ");
}
sb.Append($"{pkFieldsInfo[i].fieldName}.Equals(@{i})");
}
string predicate = sb.ToString();
return(predicate);
}
public static void Initialize(this DbSetInfo dbSetInfo, IDataHelper dataHelper)
{
dbSetInfo._fieldsByNames = new Dictionary <string, Field>();
Field[] fieldInfos = dbSetInfo.fieldInfos.ToArray();
int cnt = fieldInfos.Length;
for (int i = 0; i < cnt; ++i)
{
dataHelper.ForEachFieldInfo("", fieldInfos[i], (fullName, fieldInfo) =>
{
fieldInfo.SetFullName(fullName);
dbSetInfo._fieldsByNames.Add(fullName, fieldInfo);
});
}
SetOrdinal(fieldInfos);
Field[] pkFields = dbSetInfo.GetPKFields();
if (pkFields.Length < 1)
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_DBSET_HAS_NO_PK, dbSetInfo.dbSetName));
}
Dictionary <string, Field> fbn = dbSetInfo.GetFieldByNames();
}
