public IFolderMetadata EnsureFolder(string folderUrl)
{
if (String.IsNullOrEmpty(folderUrl))
{
throw new ArgumentNullException("folderUrl");
}
this.Logger.WriteFormatMessage("EnsureFolder:начало folderUrl={0}", folderUrl);
FolderMetadata folder = (FolderMetadata)this.GetFolder(folderUrl, false);
if (folder == null)
{
this.Logger.WriteFormatMessage("EnsureFolder: создание папки.folderUrl={0}", folderUrl);
lock (_locker)
{
folder = (FolderMetadata)this.GetFolder(folderUrl, false);
if (folder == null)
{
folder = new FolderMetadata();
folder.Url = folderUrl;
this.FolderAdapter.UpdateFolder(folder);
}
}
this.Logger.WriteMessage("EnsureFolder: конец создания папки.");
}
this.Logger.WriteMessage("EnsureFolder: конец операции.");
return(folder);
}
internal ReplicationFolderMetadata(DataRow row, FolderMetadata folder, StorageMetadata storage)
{
if (folder == null)
{
throw new ArgumentNullException("folder");
}
if (storage == null)
{
throw new ArgumentNullException("storage");
}
this.SourceStorage = storage;
this.Folder = folder;
this.MetadataRow = row;
this.StorageID = storage.ID;
this.FolderID = folder.ID;
}
public IFolderMetadata GetFolder(int id, bool throwIfNotExists = true)
{
FolderMetadata folder = null;
this.Logger.WriteFormatMessage("GetFolder: начало id={0}", id);
string query = String.Format("[ID] = {0}", id);
folder = this.FolderAdapter.GetFolder(query);
if (folder == null && throwIfNotExists)
{
throw new Exception(String.Format("Не найдена папка с ID: '{0}'", id));
}
this.Logger.WriteMessage("GetFolder: конец операции.");
return(folder);
}
public IFolderMetadata GetFolder(string folderUrl, bool throwIfNotExists = true)
{
if (String.IsNullOrEmpty(folderUrl))
{
throw new ArgumentNullException("folderUrl");
}
FolderMetadata folder = null;
this.Logger.WriteFormatMessage("GetFolder: начало folderUrl={0}", folderUrl);
string query = String.Format("[Url] = N'{0}'", folderUrl);
folder = this.FolderAdapter.GetFolder(query);
if (folder == null && throwIfNotExists)
{
throw new Exception(String.Format("Не найдена папка с Url: '{0}'", folderUrl));
}
this.Logger.WriteMessage("GetFolder конец операции.");
return(folder);
}
/// <summary>
/// Возвращает коллекцию папок репликации.
/// </summary>
/// <param name="condition">Условие на выборку метаданных.</param>
/// <returns></returns>
internal DBCollection <ReplicationFolderMetadata> GetReplicationFolders(string condition = null)
{
DBCollection <ReplicationFolderMetadata> replicationFolders = new DBCollection <ReplicationFolderMetadata>();
string resultQuery = null;
if (string.IsNullOrEmpty(condition))
{
resultQuery = this.SelectQuery;
}
else
{
resultQuery = @"{SelectQuery} WHERE {Condition}"
.ReplaceKey("SelectQuery", this.SelectQuery)
.ReplaceKey("Condition", condition);
}
DataTable resultTable = this.DataAdapter.GetDataTable(resultQuery);
if (resultTable != null)
{
//собираем все идентификаторы папок и узлов хранилища
//чтобы получить их за отдельный запрос
Dictionary <int, FolderMetadata> uniqueFolders = new Dictionary <int, FolderMetadata>();
Dictionary <int, StorageMetadata> uniqueStorages = new Dictionary <int, StorageMetadata>();
//сначала заполняем ключи словарей
foreach (DataRow row in resultTable.Rows)
{
int folderID = DataRowReader.GetIntegerValue(row, "FolderID");
if (folderID > 0 && !uniqueFolders.ContainsKey(folderID))
{
uniqueFolders.Add(folderID, null);
}
int storageID = DataRowReader.GetIntegerValue(row, "StorageID");
if (storageID > 0 && !uniqueStorages.ContainsKey(storageID))
{
uniqueStorages.Add(storageID, null);
}
}
//потом получаем объекты по этим ключам и "дозаполняем" словарь
if (uniqueFolders.Count > 0)
{
string foldersIdentities = string.Join(",", uniqueFolders.Keys.ToArray());
string foldersCondition = string.Format("[ID] IN ({0})", foldersIdentities);
DBCollection <FolderMetadata> folders = this.MetadataAdapter.FolderAdapter.GetFolders(foldersCondition);
foreach (FolderMetadata folder in folders)
{
if (uniqueFolders.ContainsKey(folder.ID))
{
uniqueFolders[folder.ID] = folder;
}
}
}
if (uniqueStorages.Count > 0)
{
string storagesIdentities = string.Join(",", uniqueStorages.Keys.ToArray());
string storagesCondition = string.Format("[ID] IN ({0})", storagesIdentities);
DBCollection <StorageMetadata> storages = this.MetadataAdapter.StorageAdapter.GetStorages(storagesCondition);
foreach (StorageMetadata storage in storages)
{
if (uniqueStorages.ContainsKey(storage.ID))
{
uniqueStorages[storage.ID] = storage;
}
}
}
foreach (DataRow row in resultTable.Rows)
{
FolderMetadata folder = null;
StorageMetadata storage = null;
int folderID = DataRowReader.GetIntegerValue(row, "FolderID");
if (folderID > 0 && uniqueFolders.ContainsKey(folderID))
{
folder = uniqueFolders[folderID];
}
int storageID = DataRowReader.GetIntegerValue(row, "StorageID");
if (storageID > 0 && uniqueStorages.ContainsKey(storageID))
{
storage = uniqueStorages[storageID];
}
if (folder == null)
{
int rowID = DataRowReader.GetIntegerValue(row, "ID");
throw new Exception(string.Format("Для строки метаданных папки репликации с идентификатором {0} не найдена папка с идентификатором {1}",
rowID,
folderID));
}
if (storage == null)
{
int rowID = DataRowReader.GetIntegerValue(row, "ID");
throw new Exception(string.Format("Для строки метаданных папки репликации с идентификатором {0} не найден узел хранилища с идентификатором {1}",
rowID,
storageID));
}
ReplicationFolderMetadata metadata = new ReplicationFolderMetadata(row, folder, storage);
replicationFolders.Add(metadata);
}
}
return(replicationFolders);
}