/// <summary>
/// Obsoletes the specified object
/// </summary>
public TData Obsolete(TData data, IPrincipal principal, TransactionMode mode)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
else if (data.Key == Guid.Empty)
{
throw new InvalidOperationException("Data missing key");
}
PrePersistenceEventArgs <TData> preArgs = new PrePersistenceEventArgs <TData>(data);
this.Obsoleting?.Invoke(this, preArgs);
if (preArgs.Cancel)
{
this.m_tracer.TraceEvent(TraceEventType.Warning, 0, "Pre-Event handler indicates abort for {0}", data);
return(data);
}
// Obsolete object
using (var connection = m_configuration.Provider.GetWriteConnection())
{
try
{
this.ThrowIfExceeded();
connection.Open();
using (IDbTransaction tx = connection.BeginTransaction())
try
{
//connection.Connection.Open();
this.m_tracer.TraceEvent(TraceEventType.Verbose, 0, "OBSOLETE {0}", data);
data = this.Obsolete(connection, data, principal);
if (mode == TransactionMode.Commit)
{
tx.Commit();
foreach (var itm in connection.CacheOnCommit)
{
ApplicationContext.Current.GetService <IDataCachingService>()?.Remove(itm.Key.Value);
}
}
else
{
tx.Rollback();
}
var args = new PostPersistenceEventArgs <TData>(data, principal)
{
Mode = mode
};
this.Obsoleted?.Invoke(this, args);
return(data);
}
catch (Exception e)
{
this.m_tracer.TraceEvent(TraceEventType.Error, 0, "Error : {0}", e);
tx?.Rollback();
throw new DataPersistenceException(e.Message, e);
}
finally
{
}
}
finally
{
Interlocked.Decrement(ref m_currentRequests);
}
}
}
/// <summary>
/// Update the specified object
/// </summary>
/// <param name="storageData"></param>
/// <param name="principal"></param>
/// <param name="mode"></param>
/// <returns></returns>
public TData Update(TData data, IPrincipal principal, TransactionMode mode)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
else if (data.Key == Guid.Empty)
{
throw new InvalidOperationException("Data missing key");
}
PrePersistenceEventArgs <TData> preArgs = new PrePersistenceEventArgs <TData>(data, principal);
this.Updating?.Invoke(this, preArgs);
if (preArgs.Cancel)
{
this.m_tracer.TraceEvent(TraceEventType.Warning, 0, "Pre-Event handler indicates abort update for {0}", data);
return(data);
}
// Persist object
using (var connection = m_configuration.Provider.GetWriteConnection())
{
try
{
this.ThrowIfExceeded();
connection.Open();
using (IDbTransaction tx = connection.BeginTransaction())
try
{
//connection.Connection.Open();
this.m_tracer.TraceEvent(TraceEventType.Verbose, 0, "UPDATE {0}", data);
data = this.Update(connection, data, principal);
data.LoadState = LoadState.FullLoad; // We just persisted this so it is fully loaded
if (mode == TransactionMode.Commit)
{
tx.Commit();
foreach (var itm in connection.CacheOnCommit)
{
ApplicationContext.Current.GetService <IDataCachingService>()?.Add(itm);
}
}
else
{
tx.Rollback();
}
var args = new PostPersistenceEventArgs <TData>(data, principal)
{
Mode = mode
};
this.Updated?.Invoke(this, args);
return(data);
}
catch (DbException e)
{
#if DEBUG
this.m_tracer.TraceEvent(TraceEventType.Error, 0, "Error : {0} -- {1}", e, this.ObjectToString(data));
#else
this.m_tracer.TraceEvent(TraceEventType.Error, 0, "Error : {0}", e.Message);
#endif
tx?.Rollback();
this.TranslateDbException(e);
throw;
}
catch (Exception e)
{
#if DEBUG
this.m_tracer.TraceEvent(TraceEventType.Error, 0, "Error : {0} -- {1}", e, this.ObjectToString(data));
#else
this.m_tracer.TraceEvent(TraceEventType.Error, 0, "Error : {0}", e.Message);
#endif
tx?.Rollback();
// if the exception is key not found, we want the caller to know
// so that a potential insert can take place
if (e is KeyNotFoundException)
{
throw new KeyNotFoundException(e.Message, e);
}
// if the exception is anything else, we want to throw a data persistence exception
throw new DataPersistenceException(e.Message, e);
}
finally
{
}
}
finally
{
Interlocked.Decrement(ref m_currentRequests);
}
}
}
/// <summary>
/// Inserts the specified data
/// </summary>
public TData Insert(TData data, IPrincipal principal, TransactionMode mode)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
PrePersistenceEventArgs <TData> preArgs = new PrePersistenceEventArgs <TData>(data, principal);
this.Inserting?.Invoke(this, preArgs);
if (preArgs.Cancel)
{
this.m_tracer.TraceEvent(TraceEventType.Warning, 0, "Pre-Event handler indicates abort insert for {0}", data);
return(data);
}
// Persist object
using (var connection = m_configuration.Provider.GetWriteConnection())
{
try
{
this.ThrowIfExceeded();
connection.Open();
using (IDbTransaction tx = connection.BeginTransaction())
try
{
// Disable inserting duplicate classified objects
var existing = data.TryGetExisting(connection, principal, true);
if (existing != null)
{
if (m_configuration.AutoUpdateExisting)
{
this.m_tracer.TraceEvent(TraceEventType.Warning, 0, "INSERT WOULD RESULT IN DUPLICATE CLASSIFIER: UPDATING INSTEAD {0}", data);
data = this.Update(connection, data, principal);
}
else
{
throw new DuplicateNameException(data.Key?.ToString());
}
}
else
{
this.m_tracer.TraceEvent(TraceEventType.Verbose, 0, "INSERT {0}", data);
data = this.Insert(connection, data, principal);
}
data.LoadState = LoadState.FullLoad; // We just persisted so it is fully loaded
if (mode == TransactionMode.Commit)
{
tx.Commit();
foreach (var itm in connection.CacheOnCommit)
{
ApplicationContext.Current.GetService <IDataCachingService>()?.Add(itm);
}
}
else
{
tx.Rollback();
}
var args = new PostPersistenceEventArgs <TData>(data, principal)
{
Mode = mode
};
this.Inserted?.Invoke(this, args);
return(data);
}
catch (DbException e)
{
#if DEBUG
this.m_tracer.TraceEvent(TraceEventType.Error, 0, "Error : {0} -- {1}", e, this.ObjectToString(data));
#else
this.m_tracer.TraceEvent(TraceEventType.Error, 0, "Error : {0}", e.Message);
#endif
tx?.Rollback();
this.TranslateDbException(e);
throw;
}
catch (Exception e)
{
this.m_tracer.TraceEvent(TraceEventType.Error, 0, "Error : {0} -- {1}", e, this.ObjectToString(data));
tx?.Rollback();
throw new DataPersistenceException(e.Message, e);
}
finally
{
}
}
finally
{
Interlocked.Decrement(ref m_currentRequests);
}
}
}
/// <summary>
/// Obsoletes the specified object
/// </summary>
public TData Obsolete(TData data, IPrincipal principal, TransactionMode mode)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
else if (data.Key == Guid.Empty)
{
throw new InvalidOperationException("Data missing key");
}
PrePersistenceEventArgs <TData> preArgs = new PrePersistenceEventArgs <TData>(data);
this.Obsoleting?.Invoke(this, preArgs);
if (preArgs.Cancel)
{
this.m_tracer.TraceEvent(TraceEventType.Warning, 0, "Pre-Event handler indicates abort for {0}", data);
return(data);
}
// Obsolete object
using (var connection = new ModelDataContext(m_configuration.ReadWriteConnectionString))
{
DbTransaction tx = null;
try
{
connection.Connection.Open();
tx = connection.Transaction = connection.Connection.BeginTransaction();
// Tracer
if (m_configuration.TraceSql)
{
connection.Log = new LinqTraceWriter();
}
this.m_tracer.TraceEvent(TraceEventType.Verbose, 0, "OBSOLETE {0}", data);
data = this.Obsolete(connection, data, principal);
connection.SubmitChanges();
if (mode == TransactionMode.Commit)
{
tx.Commit();
}
else
{
tx.Rollback();
}
var args = new PostPersistenceEventArgs <TData>(data, principal)
{
Mode = mode
};
this.Obsoleted?.Invoke(this, args);
return(data);
}
catch (Exception e)
{
this.m_tracer.TraceEvent(TraceEventType.Error, 0, "Error : {0}", e);
tx?.Rollback();
throw new DataPersistenceException(e.Message, e);
}
finally
{
}
}
}
/// <summary>
/// Inserts the specified data
/// </summary>
public TData Insert(TData data, IPrincipal principal, TransactionMode mode)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
PrePersistenceEventArgs <TData> preArgs = new PrePersistenceEventArgs <TData>(data, principal);
this.Inserting?.Invoke(this, preArgs);
if (preArgs.Cancel)
{
this.m_tracer.TraceEvent(TraceEventType.Warning, 0, "Pre-Event handler indicates abort insert for {0}", data);
return(data);
}
// Persist object
using (var connection = new ModelDataContext(m_configuration.ReadWriteConnectionString))
{
DbTransaction tx = null;
try
{
connection.Connection.Open();
connection.Transaction = tx = connection.Connection.BeginTransaction();
if (m_configuration.TraceSql)
{
connection.Log = new LinqTraceWriter();
}
// Disable inserting duplicate classified objects
var existing = data.TryGetExisting(connection, principal);
if (existing != null)
{
if (m_configuration.AutoUpdateExisting)
{
this.m_tracer.TraceEvent(TraceEventType.Warning, 0, "INSERT WOULD RESULT IN DUPLICATE CLASSIFIER: UPDATING INSTEAD {0}", data);
data = this.Update(connection, data, principal);
}
else
{
throw new DuplicateKeyException(data);
}
}
else
{
this.m_tracer.TraceEvent(TraceEventType.Verbose, 0, "INSERT {0}", data);
data = this.Insert(connection, data, principal);
}
connection.SubmitChanges();
if (mode == TransactionMode.Commit)
{
tx.Commit();
}
else
{
tx.Rollback();
}
var args = new PostPersistenceEventArgs <TData>(data, principal)
{
Mode = mode
};
this.Inserted?.Invoke(this, args);
return(data);
}
catch (Exception e)
{
this.m_tracer.TraceEvent(TraceEventType.Error, 0, "Error : {0}", e);
tx?.Rollback();
throw new DataPersistenceException(e.Message, e);
}
finally
{
}
}
}
/// <summary>
/// Obsoletes the specified storage data.
/// </summary>
/// <param name="storageData">The storage data.</param>
/// <param name="principal">The principal.</param>
/// <param name="mode">The mode.</param>
/// <returns>TModel.</returns>
public TModel Obsolete(TModel storageData, IPrincipal principal, TransactionMode mode)
{
if (storageData == null)
{
throw new ArgumentNullException(nameof(storageData), "Value cannot be null");
}
if (!storageData.Key.HasValue || storageData.Key == Guid.Empty)
{
throw new InvalidOperationException("Data missing key");
}
var prePersistenceEventArgs = new PrePersistenceEventArgs <TModel>(storageData);
this.Obsoleting?.Invoke(this, prePersistenceEventArgs);
if (prePersistenceEventArgs.Cancel)
{
traceSource.TraceEvent(TraceEventType.Warning, 0, $"Pre-event handler indicates abort for {storageData}");
return(storageData);
}
using (var connection = Configuration.Provider.GetWriteConnection())
{
connection.Open();
using (var transaction = connection.BeginTransaction())
{
try
{
this.traceSource.TraceEvent(TraceEventType.Verbose, 0, $"OBSOLETE {storageData}");
storageData = this.Obsolete(connection, storageData, principal);
if (mode == TransactionMode.Commit)
{
transaction.Commit();
}
else
{
transaction.Rollback();
}
var args = new PostPersistenceEventArgs <TModel>(storageData, principal)
{
Mode = mode
};
this.Obsoleted?.Invoke(this, args);
return(storageData);
}
catch (Exception e)
{
traceSource.TraceEvent(TraceEventType.Error, 0, $"Error obsoleting: {storageData}");
transaction.Rollback();
throw new DataPersistenceException(e.Message, e);
}
}
}
}
