本文整理汇总了C#中System.Data.SQLite.SQLiteConnection.GetDefaultIsolationLevel方法的典型用法代码示例。如果您正苦于以下问题：C# SQLiteConnection.GetDefaultIsolationLevel方法的具体用法？C# SQLiteConnection.GetDefaultIsolationLevel怎么用？C# SQLiteConnection.GetDefaultIsolationLevel使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Data.SQLite.SQLiteConnection的用法示例。
在下文中一共展示了SQLiteConnection.GetDefaultIsolationLevel方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GetSystemDataIsolationLevel
///////////////////////////////////////////////////////////////////////////
#region Private Methods
private System.Data.IsolationLevel GetSystemDataIsolationLevel(
SQLiteConnection connection,
Transaction transaction,
System.Data.IsolationLevel defaultIsolationLevel,
bool throwOnUnavailable,
bool throwOnUnsupported
)
{
if (transaction == null)
{
//
// NOTE: If neither the transaction nor connection isolation
// level is available, throw an exception if instructed
// by the caller.
//
if (connection != null)
return connection.GetDefaultIsolationLevel();
if (throwOnUnavailable)
{
throw new InvalidOperationException(
"isolation level is unavailable");
}
return defaultIsolationLevel;
}
System.Transactions.IsolationLevel isolationLevel =
transaction.IsolationLevel;
//
// TODO: Are these isolation level mappings actually correct?
//
switch (isolationLevel)
{
case IsolationLevel.Unspecified:
return System.Data.IsolationLevel.Unspecified;
case IsolationLevel.Chaos:
return System.Data.IsolationLevel.Chaos;
case IsolationLevel.ReadUncommitted:
return System.Data.IsolationLevel.ReadUncommitted;
case IsolationLevel.ReadCommitted:
return System.Data.IsolationLevel.ReadCommitted;
case IsolationLevel.RepeatableRead:
return System.Data.IsolationLevel.RepeatableRead;
case IsolationLevel.Serializable:
return System.Data.IsolationLevel.Serializable;
case IsolationLevel.Snapshot:
return System.Data.IsolationLevel.Snapshot;
}
//
// NOTE: When in "strict" mode, throw an exception if the isolation
// level is not recognized; otherwise, fallback to the default
// isolation level specified by the caller.
//
if (throwOnUnsupported)
{
throw new InvalidOperationException(
UnsafeNativeMethods.StringFormat(CultureInfo.CurrentCulture,
"unsupported isolation level {0}", isolationLevel));
}
return defaultIsolationLevel;
}