public DataProviderBase InvalidateDataProvider(DataProviderBase dataProvider, string configuration, string connectionString)
{
var dataProviderType = dataProvider.GetType();
if (!_providers.ContainsKey(dataProviderType))
{
throw new InvalidOperationException(
string.Format(Resources.DataProviderVersionResolverBase_ProviderIsNotRegistered, dataProvider.UniqueName,
dataProviderType.FullName));
}
DataProviderBase result;
if (_providersToStrings.TryGetValue(connectionString, out result))
return result;
lock (_providersToStrings)
{
if (_providersToStrings.TryGetValue(connectionString, out result))
return result;
result = InvalidateDataProviderInternal(dataProvider, configuration, connectionString);
if (result != null)
_providersToStrings.Add(connectionString, result);
}
return result;
}
public DataProviderBase InvalidateDataProvider(DataProviderBase dataProvider, string configuration, string connectionString)
{
var dataProviderType = dataProvider.GetType();
if (!_providers.ContainsKey(dataProviderType))
{
throw new InvalidOperationException(
string.Format(Resources.DataProviderVersionResolverBase_ProviderIsNotRegistered, dataProvider.UniqueName,
dataProviderType.FullName));
}
DataProviderBase result;
if (_providersToStrings.TryGetValue(connectionString, out result))
{
return(result);
}
lock (_providersToStrings)
{
if (_providersToStrings.TryGetValue(connectionString, out result))
{
return(result);
}
result = InvalidateDataProviderInternal(dataProvider, configuration, connectionString);
if (result != null)
{
_providersToStrings.Add(connectionString, result);
}
}
return(result);
}
protected override DataProviderBase InvalidateDataProviderInternal(DataProviderBase dataProvider, string configuration, string connectionString)
{
Type type = DefaultProviderType;
try
{
int?configVersion = GetVersionFromConfiguration(configuration);
int?serverVersion = null;
int?compatibilityLevel = null;
int?targetVersion = null;
using (var connection = (SqlConnection)dataProvider.CreateConnectionObject())
{
connection.ConnectionString = connectionString;
connection.Open();
serverVersion = GetVersionFromConnection(connection);
if (serverVersion >= Sql2005)
{
compatibilityLevel = GetDatabaseCompatibilityLevel(connection);
}
}
targetVersion = compatibilityLevel ?? configVersion ?? serverVersion;
if (targetVersion >= Sql2012)
{
type = typeof(Sql2012DataProvider);
}
else if (targetVersion == Sql2008)
{
type = typeof(Sql2008DataProvider);
}
else if (targetVersion == Sql2005)
{
type = typeof(Sql2005DataProvider);
}
else if (targetVersion == Sql2000)
{
type = typeof(Sql2000DataProvider);
}
}
catch
{
return(null);
}
return(GetProviderByType(type));
}
public void AddDataProvider(DataProviderBase dataProvier)
{
if (dataProvier == null)
throw new ArgumentNullException("dataProvier");
var providerType = dataProvier.GetType();
if (!TypeHelper.IsSameOrParent(_baseProviderType, providerType))
throw new ArgumentException(
string.Format(Resources.DataProviderVersionResolverBase_InvalidProviderType, providerType.FullName, _baseProviderType.FullName));
lock (_providers)
{
_providers[providerType] = dataProvier;
}
}
public void AddDataProvider(DataProviderBase dataProvier)
{
if (dataProvier == null)
{
throw new ArgumentNullException("dataProvier");
}
var providerType = dataProvier.GetType();
if (!TypeHelper.IsSameOrParent(_baseProviderType, providerType))
{
throw new ArgumentException(
string.Format(Resources.DataProviderVersionResolverBase_InvalidProviderType, providerType.FullName, _baseProviderType.FullName));
}
lock (_providers)
{
_providers[providerType] = dataProvier;
}
}
protected override DataProviderBase InvalidateDataProviderInternal(DataProviderBase dataProvider, string configuration, string connectionString)
{
Type type = DefaultProviderType;
try
{
int? configVersion = GetVersionFromConfiguration(configuration);
int? serverVersion = null;
int? compatibilityLevel = null;
int? targetVersion = null;
using (var connection = (SqlConnection) dataProvider.CreateConnectionObject())
{
connection.ConnectionString = connectionString;
connection.Open();
serverVersion = GetVersionFromConnection(connection);
if (serverVersion >= Sql2005)
compatibilityLevel = GetDatabaseCompatibilityLevel(connection);
}
targetVersion = compatibilityLevel ?? configVersion ?? serverVersion;
if (targetVersion >= Sql2012)
type = typeof(Sql2012DataProvider);
else if (targetVersion == Sql2008)
type = typeof(Sql2008DataProvider);
else if (targetVersion == Sql2005)
type = typeof(Sql2005DataProvider);
else if (targetVersion == Sql2000)
type = typeof(Sql2000DataProvider);
}
catch
{
return null;
}
return GetProviderByType(type);
}
protected abstract DataProviderBase InvalidateDataProviderInternal(DataProviderBase dataProvider, string configuration, string connectionString);
protected abstract DataProviderBase InvalidateDataProviderInternal(DataProviderBase dataProvider, string configuration, string connectionString);
public virtual void Initialize(string providerName, string connString)
{
dp = DbManager.GetDataProvider(providerName);
this.connString = connString;
}
public virtual DbManager CreateDbManager(DataProviderBase provider, string connectionString)
{
return new DbManager(provider, connectionString);
}
