public void Remove(IDataIdentity dataIdentity)
{
Int32 index;
index = this.GetIndex(dataIdentity);
if (index >= 0)
{
this.RemoveAt(index);
}
}
protected static Int32 GetId(IDataIdentity dataIdentity)
{
if (IsNull(dataIdentity))
{
return(NO_ID);
}
else
{
return(dataIdentity.GetId());
}
}
protected static void CheckNotMember(DataIdentityList dataIdentities,
IDataIdentity dataIdentity,
String listName)
{
if (IsNotNull(dataIdentities.GetById(dataIdentity.GetId())))
{
throw new DataArgumentException(dataIdentity.GetDataType().ToString() +
" " + dataIdentity.GetIdentifier() +
" is already a member of " + listName);
}
}
public Int32 GetIndex(IDataIdentity dataIdentity)
{
Int32 index;
for (index = 0; index < this.Count; index++)
{
if ((((IDataIdentity)(this[index])).GetDataType() == dataIdentity.GetDataType()) &&
(((IDataIdentity)(this[index])).GetId() == dataIdentity.GetId()))
{
return(index);
}
}
return(-1);
}
public static Boolean AreEqual(IDataIdentity object1, IDataIdentity object2)
{
// Check referenses.
if (IsNull(object1) && IsNull(object2))
{
return(true);
}
if (IsNull(object1) || IsNull(object2))
{
return(false);
}
// Check type.
if (object1.GetDataType() != object2.GetDataType())
{
return(false);
}
// Check id.
return(object1.GetId() == object2.GetId());
}
public static IDataIdentity GetItem(String barCode)
{
DataReader dataReader = null;
IDataIdentity dataIdentity = null;
Int32 id;
String kind;
try
{
dataReader = Database.GetItem(barCode);
if (dataReader.Read() &&
dataReader.IsNotDBNull(BarCodeData.IDENTIFIABLE_ID) &&
dataReader.IsNotDBNull(BarCodeData.KIND))
{
id = dataReader.GetInt32(BarCodeData.IDENTIFIABLE_ID);
kind = dataReader.GetString(BarCodeData.KIND);
dataReader.Close();
switch ((DBKind)(Enum.Parse(typeof(DBKind), kind)))
{
case DBKind.CONTAINER:
//dataIdentity = GenericContainerManager.GetGenericContainer(id);
break;
case DBKind.AUTHORITY:
dataIdentity = UserManager.GetUser(id);
break;
}
}
}
finally
{
CloseDataReader(dataReader);
}
return(dataIdentity);
}
public static Boolean AreNotEqual(IDataIdentity object1, IDataIdentity object2)
{
return(!AreEqual(object1, object2));
}
public Boolean IsNotMember(IDataIdentity dataIdentity)
{
return(this.GetIndex(dataIdentity) < 0);
}
public abstract Task <IDataResult <T> > GetData(IDataIdentity <T> dataIndetity);
