static void Main(string[] args)
{
if (args.Length != 1)
{
return;
}
try
{
string connectionString = args[0];
using (IrbisConnection connection
= new IrbisConnection(connectionString))
{
ConnectedClient provider
= new ConnectedClient(connection);
CatalogState first;
if (File.Exists("first.state"))
{
first = SerializationUtility
.RestoreObjectFromFile <CatalogState>
(
"first.state"
);
Console.WriteLine("Previous state restored from first.state");
}
else
{
first = provider.GetCatalogState("ISTU");
first.SaveToFile("first.state");
Console.WriteLine("Initial state saved to first.state");
return;
}
CatalogState second = provider.GetCatalogState("ISTU");
second.SaveToFile("second.state");
Console.WriteLine("New state saved to second.state");
CatalogDelta delta = CatalogDelta.Create
(
first,
second
);
delta.SaveToFile("state.delta");
Console.WriteLine("Difference saved to state.delta");
Console.WriteLine(delta);
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
public void CatalogDelta_Create_1()
{
CatalogState firstState = new CatalogState
{
Id = 1,
Date = new DateTime(2017, 12, 8, 22, 42, 0),
Database = "IBIS",
MaxMfn = 4,
LogicallyDeleted = new[] { 1, 2 },
Records = new[]
{
new RecordState
{
Id = 2,
Mfn = 1,
Status = RecordStatus.LogicallyDeleted,
Version = 3
},
new RecordState
{
Id = 3,
Mfn = 2,
Status = RecordStatus.LogicallyDeleted,
Version = 2
},
new RecordState
{
Id = 4,
Mfn = 3,
Status = RecordStatus.Last,
Version = 1
},
new RecordState
{
Id = 5,
Mfn = 4,
Status = RecordStatus.Last,
Version = 2
}
}
};
CatalogState secondState = new CatalogState
{
Id = 2,
Date = new DateTime(2017, 12, 9, 22, 42, 0),
Database = "IBIS",
MaxMfn = 6,
LogicallyDeleted = new[] { 1, 2, 3 },
Records = new[]
{
new RecordState
{
Id = 2,
Mfn = 1,
Status = RecordStatus.LogicallyDeleted,
Version = 3
},
new RecordState
{
Id = 3,
Mfn = 2,
Status = RecordStatus.LogicallyDeleted,
Version = 2
},
new RecordState
{
Id = 4,
Mfn = 3,
Status = RecordStatus.LogicallyDeleted,
Version = 2
},
new RecordState
{
Id = 5,
Mfn = 4,
Status = RecordStatus.Last,
Version = 4
},
new RecordState
{
Id = 6,
Mfn = 5,
Status = RecordStatus.Last,
Version = 1
},
new RecordState
{
Id = 7,
Mfn = 6,
Status = RecordStatus.Last,
Version = 1
}
}
};
CatalogDelta delta = CatalogDelta.Create
(
firstState,
secondState
);
Assert.AreEqual(0, delta.Id);
Assert.AreEqual(new DateTime(2017, 12, 8, 22, 42, 0, 0), delta.FirstDate);
Assert.AreEqual(new DateTime(2017, 12, 9, 22, 42, 0, 0), delta.SecondDate);
Assert.AreEqual("IBIS", delta.Database);
Assert.IsNotNull(delta.NewRecords);
Assert.AreEqual(2, delta.NewRecords.Length);
Assert.AreEqual(5, delta.NewRecords[0]);
Assert.AreEqual(6, delta.NewRecords[1]);
Assert.IsNotNull(delta.DeletedRecords);
Assert.AreEqual(1, delta.DeletedRecords.Length);
Assert.AreEqual(3, delta.DeletedRecords[0]);
Assert.IsNotNull(delta.AlteredRecords);
Assert.AreEqual(1, delta.AlteredRecords.Length);
Assert.AreEqual(4, delta.AlteredRecords[0]);
}