public DbContextScopeFactory(IAmbientDbContextFactory ambientDbContextFactory, ILoggerFactory loggerFactory, IScopeDiagnostic scopeDiagnostic = null)
{
_ambientDbContextFactory = ambientDbContextFactory;
_loggerFactory = loggerFactory;
_scopeDiagnostic = scopeDiagnostic;
_logger = loggerFactory.CreateLogger <DbContextScopeFactory>();
}
public DbContextScope(DbContextScopeOption joiningOption, bool readOnly, IsolationLevel?isolationLevel, IAmbientDbContextFactory ambientDbContextFactory, ILoggerFactory loggerFactory, IScopeDiagnostic scopeDiagnostic)
{
if (isolationLevel.HasValue && joiningOption == DbContextScopeOption.JoinExisting)
{
throw new ArgumentException("Cannot join an ambient DbContextScope when an explicit database transaction "
+ "is required. When requiring explicit database transactions to be used (i.e. when the "
+ "'isolationLevel' parameter is set), you must not also ask to join the ambient context "
+ "(i.e. the 'joinAmbient' parameter must be set to false).");
}
_disposed = false;
_completed = false;
_readOnly = readOnly;
_scopeDiagnostic = scopeDiagnostic;
_logger = loggerFactory.CreateLogger <DbContextScope>();
_parentScope = AmbientContextScopeMagic.GetAmbientScope();
if (_parentScope != null && joiningOption == DbContextScopeOption.JoinExisting)
{
if (_parentScope._readOnly && !_readOnly)
{
throw new InvalidOperationException("Cannot nest a read/write DbContextScope within a read-only DbContextScope.");
}
_nested = true;
_dbContexts = _parentScope._dbContexts;
}
else
{
_nested = false;
_dbContexts = new DbContextCollection(this, ambientDbContextFactory, loggerFactory, readOnly, isolationLevel);
}
AmbientContextScopeMagic.SetAmbientScope(this);
}
public DbContextScope(DbContextScopeOption joiningOption, IsolationLevel?isolationLevel, IAmbientDbContextFactory ambientDbContextFactory, ILoggerFactory loggerFactory, IScopeDiagnostic scopeDiagnostic)
: base(joiningOption, false, isolationLevel, ambientDbContextFactory, loggerFactory, scopeDiagnostic)
{
_scopeDiagnostic = scopeDiagnostic;
}
public DbContextReadOnlyScope(DbContextScopeOption joiningOption, IsolationLevel?isolationLevel, IAmbientDbContextFactory ambientDbContextFactory, ILoggerFactory loggerFactory, IScopeDiagnostic scopeDiagnostic)
{
_internalScope = new DbContextScope(joiningOption, true, isolationLevel, ambientDbContextFactory, loggerFactory, scopeDiagnostic);
}
