private System.Data.IsolationLevel GetSystemDataIsolationLevel(SQLiteConnection connection, System.Transactions.Transaction transaction, System.Data.IsolationLevel defaultIsolationLevel, bool throwOnUnavailable, bool throwOnUnsupported)
{
if (transaction == null)
{
if (connection != null)
{
return(connection.GetDefaultIsolationLevel());
}
if (throwOnUnavailable)
{
throw new InvalidOperationException("isolation level is unavailable");
}
return(defaultIsolationLevel);
}
System.Transactions.IsolationLevel isolationLevel = transaction.IsolationLevel;
switch (isolationLevel)
{
case System.Transactions.IsolationLevel.Serializable:
{
return(System.Data.IsolationLevel.Serializable);
}
case System.Transactions.IsolationLevel.RepeatableRead:
{
return(System.Data.IsolationLevel.RepeatableRead);
}
case System.Transactions.IsolationLevel.ReadCommitted:
{
return(System.Data.IsolationLevel.ReadCommitted);
}
case System.Transactions.IsolationLevel.ReadUncommitted:
{
return(System.Data.IsolationLevel.ReadUncommitted);
}
case System.Transactions.IsolationLevel.Snapshot:
{
return(System.Data.IsolationLevel.Snapshot);
}
case System.Transactions.IsolationLevel.Chaos:
{
return(System.Data.IsolationLevel.Chaos);
}
case System.Transactions.IsolationLevel.Unspecified:
{
return(System.Data.IsolationLevel.Unspecified);
}
}
if (throwOnUnsupported)
{
CultureInfo currentCulture = CultureInfo.CurrentCulture;
object[] objArray = new object[] { isolationLevel };
throw new InvalidOperationException(HelperMethods.StringFormat(currentCulture, "unsupported isolation level {0}", objArray));
}
return(defaultIsolationLevel);
}
public AppUnitOfWork(bool isTransactional = false,
IsolationLevel isolationLevel = IsolationLevel.ReadCommitted,
int transactionTimeoutInSecond = 300,
TransactionScopeOption transactionScopeOption = TransactionScopeOption.Required)
: base(isTransactional, isolationLevel, transactionTimeoutInSecond, transactionScopeOption)
{
}
private bool _active; // Is the transaction active?
internal SqlDelegatedTransaction(SqlInternalConnection connection, SysTx.Transaction tx)
{
Debug.Assert(null != connection, "null connection?");
_connection = connection;
_atomicTransaction = tx;
_active = false;
SysTx.IsolationLevel systxIsolationLevel = tx.IsolationLevel;
// We need to map the System.Transactions IsolationLevel to the one
// that System.Data uses and communicates to SqlServer. We could
// arguably do that in Initialize when the transaction is delegated,
// however it is better to do this before we actually begin the process
// of delegation, in case System.Transactions adds another isolation
// level we don't know about -- we can throw the exception at a better
// place.
switch (systxIsolationLevel)
{
case SysTx.IsolationLevel.ReadCommitted: _isolationLevel = IsolationLevel.ReadCommitted; break;
case SysTx.IsolationLevel.ReadUncommitted: _isolationLevel = IsolationLevel.ReadUncommitted; break;
case SysTx.IsolationLevel.RepeatableRead: _isolationLevel = IsolationLevel.RepeatableRead; break;
case SysTx.IsolationLevel.Serializable: _isolationLevel = IsolationLevel.Serializable; break;
case SysTx.IsolationLevel.Snapshot: _isolationLevel = IsolationLevel.Snapshot; break;
default:
throw SQL.UnknownSysTxIsolationLevel(systxIsolationLevel);
}
}
internal SqlDelegatedTransaction(SqlInternalConnection connection, System.Transactions.Transaction tx)
{
this._connection = connection;
this._atomicTransaction = tx;
this._active = false;
System.Transactions.IsolationLevel isolationLevel = tx.IsolationLevel;
switch (isolationLevel)
{
case System.Transactions.IsolationLevel.Serializable:
this._isolationLevel = System.Data.IsolationLevel.Serializable;
return;
case System.Transactions.IsolationLevel.RepeatableRead:
this._isolationLevel = System.Data.IsolationLevel.RepeatableRead;
return;
case System.Transactions.IsolationLevel.ReadCommitted:
this._isolationLevel = System.Data.IsolationLevel.ReadCommitted;
return;
case System.Transactions.IsolationLevel.ReadUncommitted:
this._isolationLevel = System.Data.IsolationLevel.ReadUncommitted;
return;
case System.Transactions.IsolationLevel.Snapshot:
this._isolationLevel = System.Data.IsolationLevel.Snapshot;
return;
}
throw SQL.UnknownSysTxIsolationLevel(isolationLevel);
}
/// <summary>
/// Starts the new transaction.
/// </summary>
/// <param name="isolationLevel">The isolation level.</param>
/// <returns>
/// The transaction scope.
/// </returns>
public static WeddingCD.Common.Infrastructure.Transaction StartNewTransactionForAsync(System.Data.IsolationLevel isolationLevel = System.Data.IsolationLevel.ReadCommitted)
{
System.Transactions.IsolationLevel mappedLevel = IsolationLevel.Unspecified;
switch (isolationLevel)
{
case System.Data.IsolationLevel.Chaos:
mappedLevel = IsolationLevel.Chaos;
break;
case System.Data.IsolationLevel.ReadCommitted:
mappedLevel = IsolationLevel.ReadCommitted;
break;
case System.Data.IsolationLevel.ReadUncommitted:
mappedLevel = IsolationLevel.ReadUncommitted;
break;
case System.Data.IsolationLevel.RepeatableRead:
mappedLevel = IsolationLevel.RepeatableRead;
break;
case System.Data.IsolationLevel.Serializable:
mappedLevel = IsolationLevel.Serializable;
break;
case System.Data.IsolationLevel.Snapshot:
mappedLevel = IsolationLevel.Snapshot;
break;
}
return(new DatabaseTransaction(true, mappedLevel));
}
public FatQueueTransaction(
IsolationLevel isolationLevel,
TimeSpan? timeout,
Func<IDbConnection> connectionFactory,
TransactionScopeOption transactionScopeOption = TransactionScopeOption.Required,
TransactionScopeAsyncFlowOption transactionScopeAsyncFlowOption = TransactionScopeAsyncFlowOption.Enabled)
{
_connectionFactory = connectionFactory;
var transactionOptions = new TransactionOptions
{
IsolationLevel = isolationLevel,
};
if (timeout != null)
{
transactionOptions.Timeout = timeout.Value;
}
if (System.Transactions.Transaction.Current == null || transactionScopeOption == TransactionScopeOption.RequiresNew)
{
_transaction = new CommittableTransaction(transactionOptions);
_transactionScope = new TransactionScope(_transaction, transactionScopeAsyncFlowOption);
}
}
public virtual void Commit(IsolationLevel isolationLevel = IsolationLevel.ReadCommitted,
TransactionScopeOption scopOption = TransactionScopeOption.Required)
{
try
{
void CommitAction()
{
DbContexts.ForEach(dbContext =>
{
dbContext.SaveChanges();
dbContext.ChangeTracker.Entries()
.ForEach(e =>
{
if (e.Entity is AggregateRoot root)
{
EventBus.Publish(root.GetDomainEvents());
root.ClearDomainEvents();
}
});
});
BeforeCommitAsync().Wait();
}
if (InTransaction)
{
CommitAction();
}
else
{
using (var scope = new TransactionScope(scopOption,
new TransactionOptions {
IsolationLevel = isolationLevel
},
TransactionScopeAsyncFlowOption.Enabled))
{
CommitAction();
scope.Complete();
}
}
}
catch (Exception ex)
{
Rollback();
if (ex is DbUpdateConcurrencyException)
{
Exception = new DBConcurrencyException(ex.Message, ex);
throw Exception;
}
else
{
Exception = ex;
throw;
}
}
finally
{
AfterCommitAsync().Wait();
}
}
public TransactionScope CreateTransactionScope(System.Transactions.IsolationLevel level = System.Transactions.IsolationLevel.ReadCommitted)
{
var transactionOptions = new TransactionOptions();
transactionOptions.IsolationLevel = level;
transactionOptions.Timeout = TransactionManager.MaximumTimeout;
return(new TransactionScope(TransactionScopeOption.Required, transactionOptions));
}
protected override async Task DoCommitAsync(TransactionScopeOption scopeOption,
IsolationLevel isolationLevel)
{
try
{
async Task CommitAction()
{
_dbContexts.ForEach(async context =>
{
await context.SaveChangesAsync();
foreach (var entityEntry in context.ChangeTracker.Entries())
{
if (!(entityEntry is IAggregateRoot aggregateRoot))
{
continue;
}
_eventBus.PrepareEvents(aggregateRoot.GetEvents());
aggregateRoot.ClearEvents();
}
});
await BeforeCommitAsync();
}
if (InTransaction)
{
await CommitAction();
}
else
{
using (var scope = new TransactionScope(scopeOption,
new TransactionOptions {
IsolationLevel = isolationLevel
},
TransactionScopeAsyncFlowOption.Enabled))
{
await CommitAction();
scope.Complete();
}
}
}
catch (Exception ex)
{
if (ex is DbUpdateConcurrencyException)
{
throw new DBConcurrencyException(ex.Message, ex);
}
else
{
throw;
}
}
finally
{
await AfterCommitAsync();
}
}
public TransactionScope GetTransaction(int?timeoutInSec = null, TransactionScopeOption transactionScopeOption = TransactionScopeOption.Required,
System.Transactions.IsolationLevel isolationLevel = System.Transactions.IsolationLevel.ReadCommitted)
{
return(new TransactionScope(transactionScopeOption,
new TransactionOptions()
{
IsolationLevel = isolationLevel, Timeout = (timeoutInSec == null) ? TransactionManager.DefaultTimeout : new TimeSpan(0, 0, timeoutInSec.Value)
}));
}
public static TransactionScope CreateTransactionScope(IsolationLevel isolationLevel)
{
var transactionOptions = new TransactionOptions
{
IsolationLevel = isolationLevel
};
return(new TransactionScope(TransactionScopeOption.Required, transactionOptions));
}
public PostgreSqlDatabase(
Func<IDbConnection> connectionFactory,
IsolationLevel isolationLevel = IsolationLevel.ReadCommitted,
ITransaction externalTransaction = null)
{
_connectionFactory = connectionFactory;
_isolationLevel = isolationLevel;
_externalTransaction = externalTransaction;
}
public PostgreSqlDbTransaction(IsolationLevel isolationLevel,
TimeSpan? timeout,
Func<IDbConnection> connectionFactory,
TransactionScopeOption transactionScopeOption = TransactionScopeOption.Required,
TransactionScopeAsyncFlowOption transactionScopeAsyncFlowOption = TransactionScopeAsyncFlowOption.Enabled) :
base(isolationLevel, timeout, connectionFactory, transactionScopeOption, transactionScopeAsyncFlowOption)
{
_isolationLevel = isolationLevel;
}
public static TransactionScope CreateTransactionScope(
TransactionScopeOption option, System.Transactions.IsolationLevel level)
{
var transactionOptions = new TransactionOptions();
transactionOptions.IsolationLevel = level;
// TODO Set transaction time-out
return(new TransactionScope(option, transactionOptions));
}
public void BeginTransaction(System.Transactions.IsolationLevel isolationLevel)
{
var transactionOptions = new TransactionOptions();
transactionOptions.IsolationLevel = isolationLevel;
transactionOptions.Timeout = TransactionManager.MaximumTimeout;
scope = new TransactionScope(TransactionScopeOption.Required, transactionOptions);
}
/// <summary>
/// Creates a new transaction scope associated with the specified connection,
/// using the specified transaction configuration options.
/// The scope can be nested inside another scope in which case the underlying
/// db transaction is only committed once both the outer and inner transaction(s)
/// have been committed. The returned ITransactionScope implements IDisposable
/// and should be wrapped in a using statement.
/// </summary>
/// <param name="dbConnection">
/// <para>
/// The DbConnection instance to manage transactions for. Transaction scopes
/// created by this instance only apply to a single DbConnection, so if you want
/// the scope to span additional data access mechanism then they must share the
/// same connection.
/// </para>
/// <para>
/// You can use the ICofoundryDbConnectionManager to get a reference to the shared
/// connection directly.
/// </para>
/// </param>
/// <param name="transactionScopeOption">This is defaulted to TransactionScopeOption.Required.</param>
/// <param name="isolationLevel">This is defaulted to IsolationLevel.ReadCommitted.</param>
/// <returns>ITransactionScope, which is IDisposable and must be disposed.</returns>
public ITransactionScope Create(DbConnection dbConnection,
System.Transactions.TransactionScopeOption transactionScopeOption = System.Transactions.TransactionScopeOption.Required,
System.Transactions.IsolationLevel isolationLevel = System.Transactions.IsolationLevel.ReadCommitted
)
{
var transactionScopeFactory = CreateScopeFactory(transactionScopeOption, isolationLevel);
return(Create(dbConnection, transactionScopeFactory));
}
public static TransactionScope GetTransactionScopeAsync(IsolationLevel isolationLevel = IsolationLevel.ReadCommitted)
{
return(new TransactionScope(TransactionScopeOption.Required,
new TransactionOptions
{
IsolationLevel = isolationLevel,
Timeout = TransactionManager.MaximumTimeout
}, TransactionScopeAsyncFlowOption.Enabled));
}
private Func <System.Transactions.TransactionScope> CreateScopeFactory(
System.Transactions.TransactionScopeOption transactionScopeOption = System.Transactions.TransactionScopeOption.Required,
System.Transactions.IsolationLevel isolationLevel = System.Transactions.IsolationLevel.ReadCommitted
)
{
return(() => _transactionScopeFactory.Create(
transactionScopeOption,
isolationLevel
));
}
public RawSQLEntityFramework(DbContext context, Transactions.IsolationLevel isoLevel = Transactions.IsolationLevel.ReadCommitted, Transactions.TransactionScopeOption scopeOption = Transactions.TransactionScopeOption.RequiresNew)
{
ContractUtility.Requires <ArgumentNullException>(context.IsNotNull(), "context instance cannot be null");
_context = context;
//_context.Database.CreateIfNotExists();//Alongwith creating the DB(if the DB does not exist),
// this method also creates the tables even if the tables do not exist - also alters the tables if
// some changes are there in the structure of domain classes.
_isoLevel = isoLevel;
_scopeOption = scopeOption;
}
public static async Task <T> WithTransaction <T>(Func <TransactionScope, Task <T> > func,
TimeSpan?timeout = null,
IsolationLevel isolationLevel = IsolationLevel.ReadCommitted)
{
using var scope = CreateTransactionScope(timeout, isolationLevel, EnableAsync);
var result = await func(scope);
scope.Complete();
return(result);
}
public static void WithTransaction(Action <TransactionScope> action,
TimeSpan?timeout = null,
IsolationLevel isolationLevel = IsolationLevel.ReadCommitted)
{
WithTransaction(scope =>
{
action(scope);
return((object)null);
}, timeout, isolationLevel);
}
public static async Task WithTransaction(Func <TransactionScope, Task> func,
TimeSpan?timeout = null,
IsolationLevel isolationLevel = IsolationLevel.ReadCommitted)
{
await WithTransaction(async scope =>
{
await func(scope);
return((object)null);
}, timeout, isolationLevel);
}
public DapperUnitOfWork(System.Transactions.IsolationLevel isolationLevel, IDbConnection connection)
{
var transactionScopeOption = new TransactionScopeOption();
_transactionScope = new TransactionScope(transactionScopeOption, new TransactionOptions()
{
IsolationLevel = isolationLevel
});
_connection = connection;
_connection.Open();
}
/// <summary>
/// 事务的隔离级别,如果上面已经有了环境事务, 则引用环境事务的隔离级别, 如果没有引用. 可以用自己的隔离级别
/// </summary>
/// <param name="isolationLevel"></param>
/// <returns></returns>
public static System.Transactions.IsolationLevel isolationLevel(System.Transactions.IsolationLevel isolationLevel)
{
if (Transaction.Current == null)
{
return(isolationLevel);
}
else
{
return(Transaction.Current.IsolationLevel);
}
}
public void DoInTransaction(Action action, IsolationLevel level)
{
using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, new TransactionOptions {
IsolationLevel = level
}))
{
CurrentConnection.EnlistTransaction(Transaction.Current);
action();
scope.Complete();
}
}
public TransactionScope CreateTransaction(System.Transactions.IsolationLevel isolationLevel, int timeoutInSeconds)
{
var option = TransactionScopeOption.Required;
var options = new TransactionOptions()
{
IsolationLevel = isolationLevel,
Timeout = new TimeSpan(0, 0, timeoutInSeconds)
};
return(new TransactionScope(option, options));
}
public static TransactionScope CreateLongRunningTransactionScope(
IsolationLevel isolationLevel = IsolationLevel.ReadCommitted)
{
var transactionOptions = new TransactionOptions
{
IsolationLevel = isolationLevel,
Timeout = TransactionManager.MaximumTimeout,
};
return(new TransactionScope(TransactionScopeOption.Required, transactionOptions));
}
private void ExecuteTransactionStep(Database database, IsolationLevel isolationLevel, TimeSpan timeout, string changeTable, IStep step)
{
using (var transaction = new TransactionScope(TransactionScopeOption.RequiresNew, new TransactionOptions {
IsolationLevel = isolationLevel, Timeout = timeout
}))
using (var stepDatabase = database.Clone())
{
ExecuteStep(stepDatabase, changeTable, step);
transaction.Complete();
}
}
public void BeginTransaction(System.Transactions.IsolationLevel level, TimeSpan timeout)
{
base.CheckDisposed();
if (_transactionScope == null)
{
_transactionScope = new TransactionScope(TransactionScopeOption.Required, new TransactionOptions()
{
IsolationLevel = level,
Timeout = timeout
});
}
}
protected TransactionScope CreateTransactionScopeWithIsolationLevel(System.Transactions.IsolationLevel isolationLevel = IsolationLevel.ReadCommitted, TimeSpan?timeout = null)
{
var opts = new TransactionOptions();
opts.IsolationLevel = isolationLevel;
if (timeout == null)
{
timeout = new TimeSpan(0, 1, 30);
}
opts.Timeout = timeout.Value;
return(new TransactionScope(TransactionScopeOption.Required, opts));
}
public SQLiteWriteOnlyTransaction(
IDbConnection connection,
IsolationLevel? isolationLevel,
PersistentJobQueueProviderCollection queueProviders)
{
if (connection == null) throw new ArgumentNullException("connection");
if (queueProviders == null) throw new ArgumentNullException("queueProviders");
_connection = connection;
_isolationLevel = isolationLevel;
_queueProviders = queueProviders;
}
private void ReadFrom(XmlDictionaryReader reader)
{
try
{
reader.ReadFullStartElement(this.coordinationXmlDictionaryStrings.CreateCoordinationContext, this.coordinationXmlDictionaryStrings.Namespace);
if (reader.IsStartElement(this.coordinationXmlDictionaryStrings.Expires, this.coordinationXmlDictionaryStrings.Namespace))
{
int num = reader.ReadElementContentAsInt();
if (num < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidMessageException(Microsoft.Transactions.SR.GetString("InvalidMessageBody")));
}
this.expiration = (uint)num;
this.expiresPresent = true;
}
if (reader.IsStartElement(this.coordinationXmlDictionaryStrings.CurrentContext, this.coordinationXmlDictionaryStrings.Namespace))
{
this.CurrentContext = CoordinationContext.ReadFrom(reader, this.coordinationXmlDictionaryStrings.CurrentContext, this.coordinationXmlDictionaryStrings.Namespace, this.protocolVersion);
}
reader.MoveToStartElement(this.coordinationXmlDictionaryStrings.CoordinationType, this.coordinationXmlDictionaryStrings.Namespace);
if (reader.ReadElementContentAsString().Trim() != this.atomicTransactionStrings.Namespace)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidMessageException(Microsoft.Transactions.SR.GetString("InvalidMessageBody")));
}
if (!reader.IsStartElement(XD.DotNetAtomicTransactionExternalDictionary.IsolationLevel, XD.DotNetAtomicTransactionExternalDictionary.Namespace))
{
goto Label_016B;
}
this.IsolationLevel = (System.Transactions.IsolationLevel)reader.ReadElementContentAsInt();
if (((this.IsolationLevel >= System.Transactions.IsolationLevel.Serializable) && (this.IsolationLevel <= System.Transactions.IsolationLevel.Unspecified)) && (this.IsolationLevel != System.Transactions.IsolationLevel.Snapshot))
{
goto Label_016B;
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidMessageException(Microsoft.Transactions.SR.GetString("InvalidMessageBody")));
Label_0165:
reader.Skip();
Label_016B:
if (reader.IsStartElement())
{
goto Label_0165;
}
reader.ReadEndElement();
}
catch (XmlException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidMessageException(Microsoft.Transactions.SR.GetString("InvalidMessageBody"), exception));
}
catch (InvalidCoordinationContextException exception2)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidMessageException(Microsoft.Transactions.SR.GetString("InvalidMessageBody"), exception2));
}
}
public CreateCoordinationContext(Microsoft.Transactions.Wsat.Protocol.ProtocolVersion protocolVersion)
{
this.expiration = 0;
this.expiresPresent = false;
this.CurrentContext = null;
this.IssuedToken = null;
this.IsolationLevel = System.Transactions.IsolationLevel.Serializable;
this.protocolVersion = protocolVersion;
this.coordinationXmlDictionaryStrings = CoordinationXmlDictionaryStrings.Version(protocolVersion);
this.atomicTransactionXmlDictionaryStrings = AtomicTransactionXmlDictionaryStrings.Version(protocolVersion);
this.atomicTransactionStrings = AtomicTransactionStrings.Version(protocolVersion);
this.coordinationStrings = CoordinationStrings.Version(protocolVersion);
}
public CreateCoordinationContext(Microsoft.Transactions.Wsat.Protocol.ProtocolVersion protocolVersion)
{
this.expiration = 0;
this.expiresPresent = false;
this.CurrentContext = null;
this.IssuedToken = null;
this.IsolationLevel = System.Transactions.IsolationLevel.Serializable;
this.protocolVersion = protocolVersion;
this.coordinationXmlDictionaryStrings = CoordinationXmlDictionaryStrings.Version(protocolVersion);
this.atomicTransactionXmlDictionaryStrings = AtomicTransactionXmlDictionaryStrings.Version(protocolVersion);
this.atomicTransactionStrings = AtomicTransactionStrings.Version(protocolVersion);
this.coordinationStrings = CoordinationStrings.Version(protocolVersion);
}
public static sysTx.TransactionScope Make(
sysTx.TransactionScopeOption txScopOption = sysTx.TransactionScopeOption.Required,
sysTx.IsolationLevel isoLevel = sysTx.IsolationLevel.ReadCommitted,
double timeOutMinutes = 30d, sysTx.DependentTransaction depTx = null)
{
return(depTx != null?
new sysTx.TransactionScope(depTx):
new sysTx.TransactionScope(txScopOption,
new sysTx.TransactionOptions {
IsolationLevel = isoLevel,
Timeout = TimeSpan.FromMinutes(timeOutMinutes)
}));
}
internal SharedTransactedBatchContext(ChannelHandler handler, ChannelDispatcher dispatcher, int maxConcurrentBatches)
{
this.handler = handler;
this.maxBatchSize = dispatcher.MaxTransactedBatchSize;
this.maxConcurrentBatches = maxConcurrentBatches;
this.currentBatchSize = dispatcher.MaxTransactedBatchSize;
this.currentConcurrentBatches = 0;
this.currentConcurrentDispatches = 0;
this.successfullCommits = 0;
this.isBatching = true;
this.isolationLevel = dispatcher.TransactionIsolationLevel;
this.txTimeout = TransactionBehavior.NormalizeTimeout(dispatcher.TransactionTimeout);
this.BatchingStateChanged(this.isBatching);
}
public SQLiteConnection(
IDbConnection connection,
IsolationLevel? isolationLevel,
PersistentJobQueueProviderCollection queueProviders,
bool ownsConnection)
{
if (connection == null) throw new ArgumentNullException("connection");
if (queueProviders == null) throw new ArgumentNullException("queueProviders");
_connection = connection;
_isolationLevel = isolationLevel;
_queueProviders = queueProviders;
OwnsConnection = ownsConnection;
}
public FatQueueDatabase(
Func<IDbConnection> createConnection,
TransactionScopeOption? transactionType = null,
IsolationLevel isolationLevel = IsolationLevel.ReadCommitted,
ITransaction externalTransaction = null)
{
_createConnection = createConnection;
_externalTransaction = externalTransaction;
if (!transactionType.HasValue)
return;
var transactionTypeValue = transactionType.Value;
if (Transaction.Current != null && transactionTypeValue == TransactionScopeOption.Required)
return;
var transactionOptions = new TransactionOptions
{
IsolationLevel = isolationLevel
};
_transactionScope = new TransactionScope(transactionTypeValue, transactionOptions);
}
public SQLiteConnection(
IDbConnection connection,
IsolationLevel? isolationLevel,
PersistentJobQueueProviderCollection queueProviders)
: this(connection, isolationLevel, queueProviders, true)
{}
private TransactionScope CreateTransaction(IsolationLevel? isolationLevel)
{
return isolationLevel != null
? new TransactionScope(TransactionScopeOption.Required,
new TransactionOptions { IsolationLevel = isolationLevel.Value })
: new TransactionScope();
}
/// <summary>
/// Will mark the block as transactional
/// </summary>
/// <param name="level"></param>
public void StartTransaction(System.Transactions.IsolationLevel level,bool seperatedTransaction)
{
_transactionLevel = level;
_seperatedTransaction = seperatedTransaction;
IsTransactional = true;
}
private void ReadFrom(XmlDictionaryReader reader)
{
try
{
reader.ReadFullStartElement(this.coordinationXmlDictionaryStrings.CreateCoordinationContext, this.coordinationXmlDictionaryStrings.Namespace);
if (reader.IsStartElement(this.coordinationXmlDictionaryStrings.Expires, this.coordinationXmlDictionaryStrings.Namespace))
{
int num = reader.ReadElementContentAsInt();
if (num < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidMessageException(Microsoft.Transactions.SR.GetString("InvalidMessageBody")));
}
this.expiration = (uint) num;
this.expiresPresent = true;
}
if (reader.IsStartElement(this.coordinationXmlDictionaryStrings.CurrentContext, this.coordinationXmlDictionaryStrings.Namespace))
{
this.CurrentContext = CoordinationContext.ReadFrom(reader, this.coordinationXmlDictionaryStrings.CurrentContext, this.coordinationXmlDictionaryStrings.Namespace, this.protocolVersion);
}
reader.MoveToStartElement(this.coordinationXmlDictionaryStrings.CoordinationType, this.coordinationXmlDictionaryStrings.Namespace);
if (reader.ReadElementContentAsString().Trim() != this.atomicTransactionStrings.Namespace)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidMessageException(Microsoft.Transactions.SR.GetString("InvalidMessageBody")));
}
if (!reader.IsStartElement(XD.DotNetAtomicTransactionExternalDictionary.IsolationLevel, XD.DotNetAtomicTransactionExternalDictionary.Namespace))
{
goto Label_016B;
}
this.IsolationLevel = (System.Transactions.IsolationLevel) reader.ReadElementContentAsInt();
if (((this.IsolationLevel >= System.Transactions.IsolationLevel.Serializable) && (this.IsolationLevel <= System.Transactions.IsolationLevel.Unspecified)) && (this.IsolationLevel != System.Transactions.IsolationLevel.Snapshot))
{
goto Label_016B;
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidMessageException(Microsoft.Transactions.SR.GetString("InvalidMessageBody")));
Label_0165:
reader.Skip();
Label_016B:
if (reader.IsStartElement())
{
goto Label_0165;
}
reader.ReadEndElement();
}
catch (XmlException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidMessageException(Microsoft.Transactions.SR.GetString("InvalidMessageBody"), exception));
}
catch (InvalidCoordinationContextException exception2)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidMessageException(Microsoft.Transactions.SR.GetString("InvalidMessageBody"), exception2));
}
}
