Everest_VersionItem.cs :  » Content-Management-Systems-CMS » Kooboo » Everest » Providers » Versioning » DB » C# / CSharp Open Source

/*
Kooboo is a content management system based on ASP.NET MVC framework. Copyright 2009 Yardi Technology Limited.

This program is free software: you can redistribute it and/or modify it under the terms of the
GNU General Public License version 3 as published by the Free Software Foundation.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program.
If not, see http://www.kooboo.com/gpl3/.
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using Everest.Library.ExtensionMethod;
using Everest.Library.Versioning;
namespace Everest.Providers.Versioning.DB{
    partial class Everest_VersionItem : IVersionItem
    {
        public Everest_VersionItem()
        {
            this.VersionUUID = Guid.NewGuid();
        }
        public Everest_VersionItem(DBVersioning dbVersioning)
            : this()
        {
            this.Versioning = dbVersioning;
        }
        #region IVersionItem Members

        /// <summary>
        /// Gets the predecessor.
        /// </summary>
        /// <returns></returns>
        public IVersionItem GetPredecessor()
        {
            return ((DBVersioning)Versioning).GetPredecessor(this.UUID, this.Revision);
        }

        /// <summary>
        /// Gets the successor.
        /// </summary>
        /// <returns></returns>
        public IVersionItem GetSuccessor()
        {
            return ((DBVersioning)Versioning).GetSuccessor(this.UUID, this.Revision);
        }

        /// <summary>
        /// Gets the body.
        /// </summary>
        /// <returns></returns>
        public string GetBody()
        {
            return this.Body;
        }

        private object o = null;
        /// <summary>
        /// Gets the object.
        /// </summary>
        /// <returns></returns>
        public object GetObject()
        {
            if (o == null)
            {
                Type type = Type.GetType(this.ObjectType);
                o = ObjectExtensions.DeserializeFromXmlString(GetBody(), type);
            }
            return o;
        }

        public bool IsCheckout
        {
            get { return !string.IsNullOrEmpty(this.CheckoutBy); }
        }

        public IVersioning Versioning
        {
            get;
            private set;
        }

        #endregion
    }
}