| ConnectionSelectPersistentObjectCountPersistentObjectType Method (PersistentObjectFieldFilterCollection) |
Retrieves the count of persistent objects from the data store.
Namespace: ObujekutoruAssembly: obujekutoru (in obujekutoru.dll) Version: 1.1.0.25794
Syntax public int SelectPersistentObjectCount<PersistentObjectType>(
PersistentObjectFieldFilterCollection persistentObjectFieldFilterCollection
)
Public Function SelectPersistentObjectCount(Of PersistentObjectType) (
persistentObjectFieldFilterCollection As PersistentObjectFieldFilterCollection
) As Integer
public:
generic<typename PersistentObjectType>
int SelectPersistentObjectCount(
PersistentObjectFieldFilterCollection^ persistentObjectFieldFilterCollection
)
member SelectPersistentObjectCount :
persistentObjectFieldFilterCollection : PersistentObjectFieldFilterCollection -> int
Parameters
- persistentObjectFieldFilterCollection
- Type: ObujekutoruPersistentObjectFieldFilterCollection
The persistent object field filters to use for the search.
Type Parameters
- PersistentObjectType
Return Value
Type:
Int32The count of persistent objects.
Exceptions Examples using System;
using System.Collections;
using System.Collections.Generic;
using Obujekutoru;
namespace ObujekutoruExamples.ConnectionSelectCountExample
{
class Program
{
static void Main(string[] args)
{
String dataFolderPath = @"C:\Temp\ObujekutoruData";
EncryptionType encryptionType = EncryptionType.DESEncryption;
String encryptionKey = "A proavo habui, quod publicos litterarum ludos non frequentavi, et domi bonis praeceptoribus usus...";
using (Connection connection = new Connection(dataFolderPath, encryptionType, encryptionKey, true))
{
PersistentObjectE persistentObjectE1 = new PersistentObjectE("persistent object E1", 1);
PersistentObjectE persistentObjectE2 = new PersistentObjectE("persistent object E2", 1);
PersistentObjectE persistentObjectE3 = new PersistentObjectE("persistent object E3", 1);
PersistentObjectE persistentObjectE4 = new PersistentObjectE("persistent object E4", 2);
PersistentObjectE persistentObjectE5 = new PersistentObjectE("persistent object E5", 2);
PersistentObjectE persistentObjectE6 = new PersistentObjectE("persistent object E6", 2);
PersistentObjectE persistentObjectE7 = new PersistentObjectE("persistent object E7", 3);
PersistentObjectE persistentObjectE8 = new PersistentObjectE("persistent object E8", 3);
PersistentObjectE persistentObjectE9 = new PersistentObjectE("persistent object E9", 3);
connection.InsertPersistentObject(persistentObjectE1);
connection.InsertPersistentObject(persistentObjectE2);
connection.InsertPersistentObject(persistentObjectE3);
connection.InsertPersistentObject(persistentObjectE4);
connection.InsertPersistentObject(persistentObjectE5);
connection.InsertPersistentObject(persistentObjectE6);
connection.InsertPersistentObject(persistentObjectE7);
connection.InsertPersistentObject(persistentObjectE8);
connection.InsertPersistentObject(persistentObjectE9);
Int32 persistentObjectCount = connection.SelectPersistentObjectCount<PersistentObjectE>(
PersistentObjectFieldFilterCollection.Empty().And(
"persistentObjectValue", PersistentObjectFieldFilterOperator.Equal, 2));
Console.WriteLine("persistentObjectCount = {0}", persistentObjectCount);
}
}
}
[PersistentObject("PersistentObjectE")]
internal class PersistentObjectE : PersistentObject
{
[PersistentObjectField("persistentObjectName", true)]
private String _persistentObjectName;
[PersistentObjectField("persistentObjectValue", true)]
private Int32 _persistentObjectValue;
public PersistentObjectE()
{ }
public PersistentObjectE(String persistentObjectName, Int32 persistentObjectValue)
{
_persistentObjectName = persistentObjectName;
_persistentObjectValue = persistentObjectValue;
}
public String PersistentObjectName
{
get { return _persistentObjectName; }
set
{
_persistentObjectName = value;
OnObjectUpdated();
}
}
public Int32 PersistentObjectValue
{
get { return _persistentObjectValue; }
set
{
_persistentObjectValue = value;
OnObjectUpdated();
}
}
}
}
See Also