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PersistentObjectFieldSorter Class
Describes a persistent object field sorter.
Inheritance Hierarchy
SystemObject
  ObujekutoruPersistentObjectFieldSorter

Namespace: Obujekutoru
Assembly: obujekutoru (in obujekutoru.dll) Version: 1.1.0.25794
Syntax
public sealed class PersistentObjectFieldSorter

The PersistentObjectFieldSorter type exposes the following members.

Constructors
  NameDescription
Public methodPersistentObjectFieldSorter
Initializes a new instance of the PersistentObjectFieldSorter class.
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Properties
  NameDescription
Public propertyPersistentObjectFieldName
The persistent object field name.
Public propertyPersistentObjectFieldSortOperator
The persistent object field sort operator.
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Methods
  NameDescription
Public methodEquals
Determines whether the specified Object is equal to the current Object.
(Inherited from Object.)
Public methodGetHashCode
Serves as a hash function for a particular type.
(Inherited from Object.)
Public methodGetType
Gets the Type of the current instance.
(Inherited from Object.)
Public methodToString
Returns a string that represents the current object.
(Inherited from Object.)
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Examples
using System;
using System.Collections;
using System.Collections.Generic;

using Obujekutoru;

namespace ObujekutoruExamples.PersistentObjectFieldSorterExample
{
    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;

                OnObjectUpdated();
            }
        }

        public Int32 PersistentObjectValue
        {
            get { return _persistentObjectValue; }
            set
            {
                _persistentObjectValue = value;

                OnObjectUpdated();
            }
        }
    }
}
See Also