internal DataAccessTransaction(DataAccessIsolationLevel isolationLevel, DataAccessScope scope, TimeSpan timeout)
{
this.timeout = timeout;
this.scope = scope;
this.IsolationLevel = isolationLevel;
this.SystemTransaction = Transaction.Current;
}
public static IsolationLevel ConvertIsolationLevel(DataAccessIsolationLevel isolationLevel)
{
switch (isolationLevel)
{
case DataAccessIsolationLevel.ReadUncommitted:
return(IsolationLevel.ReadUncommitted);
case DataAccessIsolationLevel.Serializable:
return(IsolationLevel.Serializable);
case DataAccessIsolationLevel.ReadCommitted:
return(IsolationLevel.ReadCommitted);
case DataAccessIsolationLevel.Chaos:
return(IsolationLevel.Chaos);
case DataAccessIsolationLevel.RepeatableRead:
return(IsolationLevel.RepeatableRead);
case DataAccessIsolationLevel.Snapshot:
return(IsolationLevel.Snapshot);
default:
return(IsolationLevel.Unspecified);
}
}
public DataAccessScope(DataAccessIsolationLevel isolationLevel, DataAccessScopeOptions options, TimeSpan timeout)
{
this.IsolationLevel = isolationLevel;
var currentTransaction = DataAccessTransaction.Current;
this.options = options;
switch (options)
{
case DataAccessScopeOptions.Required:
if (currentTransaction == null)
{
this.isRoot = true;
this.transaction = new DataAccessTransaction(isolationLevel, timeout);
DataAccessTransaction.Current = this.transaction;
}
else
{
this.transaction = currentTransaction;
this.outerTransaction = currentTransaction;
}
break;
case DataAccessScopeOptions.RequiresNew:
this.isRoot = true;
this.outerTransaction = currentTransaction;
if (Transaction.Current != null)
{
this.nativeScope = new TransactionScope(TransactionScopeOption.RequiresNew);
}
this.transaction = new DataAccessTransaction(isolationLevel, timeout);
DataAccessTransaction.Current = this.transaction;
break;
case DataAccessScopeOptions.Suppress:
if (Transaction.Current != null)
{
this.nativeScope = new TransactionScope(TransactionScopeOption.Suppress);
}
if (currentTransaction != null)
{
this.outerTransaction = currentTransaction;
DataAccessTransaction.Current = null;
}
break;
}
}
internal DataAccessTransaction(DataAccessIsolationLevel isolationLevel, TimeSpan timeout)
{
this.timeout = timeout;
this.IsolationLevel = isolationLevel;
this.SystemTransaction = Transaction.Current;
if (this.SystemTransaction != null)
{
this.previousTransaction = Current;
this.SystemTransaction.TransactionCompleted += (sender, eventArgs) =>
{
this.systemTransactionCompleted = true;
this.systemTransactionStatus = eventArgs.Transaction.TransactionInformation.Status;
this.Dispose();
};
}
}
public static IsolationLevel ConvertIsolationLevel(DataAccessIsolationLevel isolationLevel)
{
switch (isolationLevel)
{
case DataAccessIsolationLevel.ReadUncommitted:
return IsolationLevel.ReadUncommitted;
case DataAccessIsolationLevel.Serializable:
return IsolationLevel.Serializable;
case DataAccessIsolationLevel.ReadCommitted:
return IsolationLevel.ReadCommitted;
case DataAccessIsolationLevel.Chaos:
return IsolationLevel.Chaos;
case DataAccessIsolationLevel.RepeatableRead:
return IsolationLevel.RepeatableRead;
case DataAccessIsolationLevel.Snapshot:
return IsolationLevel.Snapshot;
default:
return IsolationLevel.Unspecified;
}
}
internal DataAccessTransaction(DataAccessIsolationLevel isolationLevel, TimeSpan timeout)
{
this.timeout = timeout;
this.IsolationLevel = isolationLevel;
this.SystemTransaction = Transaction.Current;
if (this.SystemTransaction != null)
{
this.previousTransaction = Current;
this.SystemTransaction.TransactionCompleted += (sender, eventArgs) =>
{
this.systemTransactionCompleted = true;
this.systemTransactionStatus = eventArgs.Transaction.TransactionInformation.Status;
Dispose();
};
}
this.DataAccessTransactionId = this.SystemTransaction?.TransactionInformation.LocalIdentifier ??
Guid.NewGuid().ToString("N");
}
internal DataAccessTransaction(DataAccessIsolationLevel isolationLevel)
: this(isolationLevel, TimeSpan.Zero)
{
}
public DataAccessScope(DataAccessIsolationLevel isolationLevel, TimeSpan timeout)
: this(isolationLevel, DataAccessScopeOptions.Required, timeout)
{
}
public DataAccessScope(DataAccessIsolationLevel isolationLevel)
: this(isolationLevel, TimeSpan.Zero)
{
}
public DataAccessScope(DataAccessIsolationLevel isolationLevel, TimeSpan timeout)
: this(isolationLevel, DataAccessScopeOptions.Required, timeout)
{
}
public DataAccessScope(DataAccessIsolationLevel isolationLevel)
: this(isolationLevel, TimeSpan.Zero)
{
}
public DataAccessScope(DataAccessIsolationLevel isolationLevel, DataAccessScopeOptions options, TimeSpan timeout)
{
this.IsolationLevel = isolationLevel;
var currentTransaction = DataAccessTransaction.Current;
this.options = options;
switch (options)
{
case DataAccessScopeOptions.Required:
if (currentTransaction == null)
{
this.isRoot = true;
this.transaction = new DataAccessTransaction(isolationLevel, timeout);
DataAccessTransaction.Current = this.transaction;
}
else
{
this.transaction = currentTransaction;
this.outerTransaction = currentTransaction;
}
break;
case DataAccessScopeOptions.RequiresNew:
this.isRoot = true;
this.outerTransaction = currentTransaction;
if (Transaction.Current != null)
{
this.nativeScope = new TransactionScope(TransactionScopeOption.RequiresNew);
}
this.transaction = new DataAccessTransaction(isolationLevel, timeout);
DataAccessTransaction.Current = this.transaction;
break;
case DataAccessScopeOptions.Suppress:
if (Transaction.Current != null)
{
this.nativeScope = new TransactionScope(TransactionScopeOption.Suppress);
}
if (currentTransaction != null)
{
this.outerTransaction = currentTransaction;
DataAccessTransaction.Current = null;
}
break;
}
}
internal DataAccessTransaction(DataAccessIsolationLevel isolationLevel)
{
this.IsolationLevel = isolationLevel;
this.SystemTransaction = Transaction.Current;
}
