Synnefo » Pithos MS Client

using System;

using System.IO;

using System.Threading;

using Pithos.Interfaces;

using Pithos.Network;

namespace Pithos.Core.Agents

{

    public enum CloudActionType

    {

        MustSynch,

        UploadUnconditional,

        DownloadUnconditional,

        DeleteLocal,

        DeleteCloud,

        RenameCloud

    }

    public class CloudAction

    {

        public CloudActionType Action { get; set; }

        public FileInfo LocalFile { get; set; }

        public ObjectInfo CloudFile { get; set; }

        public FileState FileState { get; set; }

        public string Container { get; set; }

        public Lazy<string> LocalHash { get; protected set; }

        private Lazy<string> _topHash;

        public Lazy<string> TopHash

        {

            get { return _topHash; }

            set { _topHash = value; }

        }

        protected CloudAction(CloudActionType action)

        {

            Action = action;

        }

        public CloudAction(CloudActionType action, FileInfo localFile, ObjectInfo cloudFile,FileState state,int blockSize, string algorithm) : this(action)

        {

            LocalFile = localFile;

            CloudFile = cloudFile;

            FileState = state;

            if (LocalFile != null)

            {

                LocalHash = new Lazy<string>(() => LocalFile.CalculateHash(blockSize,algorithm),

                                             LazyThreadSafetyMode.ExecutionAndPublication);

            }

        }

    }    

    public class CloudDownloadAction:CloudAction

    {

        public CloudDownloadAction(ObjectInfo cloudFile)

            :base(CloudActionType.DownloadUnconditional)

        {            

            CloudFile = cloudFile;

        }

    }

    public class CloudDeleteAction:CloudAction

    {

        public CloudDeleteAction(string fileName, FileState fileState)

            : this(new ObjectInfo { Name = fileName },fileState)

        {

        }

        public CloudDeleteAction(ObjectInfo cloudFile, FileState fileState) 

            : base(CloudActionType.DeleteCloud)

        {

            CloudFile = cloudFile;

            FileState = fileState;

        }

    }

    public class CloudUploadAction:CloudAction

    {

        public CloudUploadAction(FileInfo fileInfo, FileState state, int blockSize, string algorithm) 

            : base(CloudActionType.UploadUnconditional,fileInfo,ObjectInfo.Empty,state,blockSize,algorithm)

        {

        }

    }

    public class CloudMoveAction:CloudAction

    {

        public string OldFileName { get; set; }

        public string OldPath { get; set; }

        public string NewFileName { get; set; }

        public string NewPath { get; set; }

        public CloudMoveAction(CloudActionType action, string oldPath, string oldFileName, string newFileName, string newPath)

            :base(action)

        {

            OldFileName = oldFileName;

            OldPath = oldPath;

            NewFileName = newFileName;

            NewPath = newPath;

            //This is a rename operation, a hash will not be used

            LocalHash = new Lazy<string>(() => String.Empty, LazyThreadSafetyMode.ExecutionAndPublication);

        }

    }

}