internal static StorageMetadata Create(string host, bool isCurrent)
{
if (string.IsNullOrEmpty(host))
{
throw new ArgumentNullException("host");
}
StorageMetadata metadata = StorageMetadata.Create(host, isCurrent, Guid.Empty);
return(metadata);
}
public IStorageMetadata CreateCurrentStorageNode(string host)
{
if (string.IsNullOrEmpty(host))
{
throw new ArgumentNullException("host");
}
StorageMetadata storage = StorageMetadata.Create(host, true);
return(storage);
}
public void SaveStorage(IStorageMetadata storage)
{
if (storage == null)
{
throw new ArgumentNullException("storage");
}
this.Logger.WriteFormatMessage("SaveStorage: начало host: '{0}' isCurrent: '{1}'", storage.Host, storage.IsCurrent);
StorageMetadata typedStorage = (StorageMetadata)storage;
this.StorageAdapter.Update(typedStorage);
this.Logger.WriteMessage("SaveStorage: конец.");
}
public IStorageMetadata GetStorage(string host)
{
if (string.IsNullOrEmpty(host))
{
throw new ArgumentNullException("host");
}
this.Logger.WriteFormatMessage("GetStorage начало. host: '{0}'", host);
string condition = string.Format("[Host] = N'{0}'", host);
StorageMetadata metadata = this.StorageAdapter.GetStorage(condition);
this.Logger.WriteFormatMessage("GetStorage начало. host: '{0}'", host);
return(metadata);
}
public IStorageMetadata GetStorage(Guid uniqueID)
{
if (uniqueID == Guid.Empty)
{
throw new ArgumentNullException("uniqueID");
}
this.Logger.WriteFormatMessage("GetStorage начало. uniqueID: '{0}'", uniqueID);
string condition = string.Format("[UniqueID] = N'{0}'", uniqueID);
StorageMetadata metadata = this.StorageAdapter.GetStorage(condition);
this.Logger.WriteFormatMessage("GetStorage начало. uniqueID: '{0}'", uniqueID);
return(metadata);
}
public IStorageMetadata CreateStorageNode(string host, Guid uniqueID)
{
if (string.IsNullOrEmpty(host))
{
throw new ArgumentNullException("host");
}
if (uniqueID == Guid.Empty)
{
throw new ArgumentNullException("uniqueID");
}
StorageMetadata storage = StorageMetadata.Create(host, false, uniqueID);
return(storage);
}
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;
}
internal static StorageMetadata Create(string host, bool isCurrent, Guid nodeUniqueID)
{
if (string.IsNullOrEmpty(host))
{
throw new ArgumentNullException("host");
}
if (nodeUniqueID == Guid.Empty)
{
nodeUniqueID = Guid.NewGuid();
}
StorageMetadata metadata = new StorageMetadata()
{
UniqueID = nodeUniqueID,
Host = host,
IsCurrent = isCurrent,
};
return(metadata);
}
/// <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);
}