public sealed class PersistentObjectFieldFilter

Public NotInheritable Class PersistentObjectFieldFilter

public ref class PersistentObjectFieldFilter sealed

[<SealedAttribute>]
type PersistentObjectFieldFilter =  class end

using System;
using System.Collections;
using System.Collections.Generic;

using Obujekutoru;

namespace ObujekutoruExamples.PersistentObjectFieldFilterExample
{
    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...";

            List<PersistentObject> persistentObjects;

            using (Connection connection = new Connection(dataFolderPath, encryptionType, encryptionKey, true))
            {
                PersistentObjectE persistentObjectE1 = new PersistentObjectE("persistent object E1", 1);
                PersistentObjectE persistentObjectE2 = new PersistentObjectE("persistent object E2", 2);
                PersistentObjectE persistentObjectE3 = new PersistentObjectE("persistent object E3", 3);
                PersistentObjectE persistentObjectE4 = new PersistentObjectE("persistent object E4", 4);
                PersistentObjectE persistentObjectE5 = new PersistentObjectE("persistent object E5", 5);
                PersistentObjectE persistentObjectE6 = new PersistentObjectE("persistent object E6", 6);
                PersistentObjectE persistentObjectE7 = new PersistentObjectE("persistent object E7", 7);
                PersistentObjectE persistentObjectE8 = new PersistentObjectE("persistent object E8", 8);
                PersistentObjectE persistentObjectE9 = new PersistentObjectE("persistent object E9", 9);

                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);

                persistentObjects = connection.SelectPersistentObject(
                    typeof(PersistentObjectE),
                    PersistentObjectFieldFilterCollection.Empty().And(
                        new PersistentObjectFieldFilter(
                            "persistentObjectName",
                            PersistentObjectFieldFilterOperator.GreaterOrEqualThan,
                            "persistent object E4")).And(
                        new PersistentObjectFieldFilter(
                            "persistentObjectValue",
                            PersistentObjectFieldFilterOperator.LessOrEqualThan,
                            6)),
                    PersistentObjectFieldSorterCollection.Empty().And(
                        new PersistentObjectFieldSorter(
                            "persistentObjectName",
                            PersistentObjectFieldSortOperator.Ascending)),
                    1, Int32.MaxValue);

                Console.WriteLine("persistentObjects[0] = {0}", (persistentObjects[0] as PersistentObjectE).PersistentObjectName);
                Console.WriteLine("persistentObjects[1] = {0}", (persistentObjects[1] as PersistentObjectE).PersistentObjectName);
                Console.WriteLine("persistentObjects[2] = {0}", (persistentObjects[2] as PersistentObjectE).PersistentObjectName);
            }
        }
    }

    [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;
                _isDirty = true;
                _updated = DateTime.UtcNow;
            }
        }

        public Int32 PersistentObjectValue
        {
            get { return _persistentObjectValue; }
            set
            {
                _persistentObjectValue = value;
                _isDirty = true;
                _updated = DateTime.UtcNow;
            }
        }
    }
}