public override INHibernateProxy GetProxy(object id, ISessionImplementor session)
{
INHibernateProxy proxy;
try
{
var behaviorInfo = _behaviorConfigurator.GetProxyInformation(PersistentClass);
var initializer = new LazyInitializer(EntityName, PersistentClass, id, GetIdentifierMethod,
SetIdentifierMethod, ComponentIdType, session);
IInterceptor[] interceptors = behaviorInfo.Interceptors
.Select(i => _kernel.Resolve(i))
.OfType<IInterceptor>()
.Union(new[] {initializer}).ToArray();
Type[] interfaces = Interfaces.Union(behaviorInfo.AdditionalInterfaces).ToArray();
object obj2 = IsClassProxy
? ProxyGenerator.CreateClassProxy(PersistentClass, interfaces, interceptors)
: ProxyGenerator.CreateInterfaceProxyWithoutTarget(interfaces[0], interfaces,
new IInterceptor[] {initializer});
initializer._constructed = true;
proxy = (INHibernateProxy) obj2;
}
catch (Exception exception)
{
log.Error("Creating a proxy instance failed", exception);
throw new HibernateException("Creating a proxy instance failed", exception);
}
return proxy;
}
public override INHibernateProxy GetProxy(object id, global::NHibernate.Engine.ISessionImplementor session)
{
try
{
var initializer = new LazyInitializer(EntityName, PersistentClass, id, GetIdentifierMethod, SetIdentifierMethod, ComponentIdType, session);
object generatedProxy = IsClassProxy
? DataBindingFactory.Create(PersistentClass, Interfaces, initializer)
: ProxyGenerator.CreateInterfaceProxyWithoutTarget(Interfaces[0], Interfaces,
initializer);
initializer._constructed = true;
return (INHibernateProxy) generatedProxy;
}
catch (Exception e)
{
throw new HibernateException("Creating a proxy instance failed", e);
}
}
public override INHibernateProxy GetProxy(object id, ISessionImplementor session)
{
try
{
var initializer = new LazyInitializer(EntityName, PersistentClass.IsInterface ? typeof (object) : PersistentClass,
id, GetIdentifierMethod, SetIdentifierMethod, ComponentIdType, session);
var proxyFactory = new SerializableProxyFactory
{Interfaces = Interfaces, TargetSource = initializer, ProxyTargetType = IsClassProxy};
proxyFactory.AddAdvice(initializer);
object proxyInstance = proxyFactory.GetProxy();
return (INHibernateProxy) proxyInstance;
}
catch (Exception ex)
{
log.Error("Creating a proxy instance failed", ex);
throw new HibernateException("Creating a proxy instance failed", ex);
}
}
public IKey GetPrimaryKey()
{
return(LazyInitializer.EnsureInitialized(ref _key, LoadKey));
}
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
// Обеспечение однократной инициализации ASP.NET Simple Membership при каждом запуске приложения
LazyInitializer.EnsureInitialized(ref _initializer, ref _isInitialized, ref _initializerLock);
}
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
// 确保每次启动应用程序时只初始化一次 ASP.NET Simple Membership
LazyInitializer.EnsureInitialized(ref _initializer, ref _isInitialized, ref _initializerLock);
}
/// <summary>Gets the lazily-initialized completion state.</summary>
private CompletionState EnsureCompletionStateInitialized()
{
// ValueLock not needed, but it's ok if it's held
return(LazyInitializer.EnsureInitialized(ref m_completionState, () => new CompletionState()));
}
public static void EnsureInitialized_ComplexRefTypes()
{
string strTemplate = "foo";
var hdcTemplate = new HasDefaultCtor();
// Activator.CreateInstance (uninitialized).
HasDefaultCtor a = null;
bool aInit = false;
object aLock = null;
Assert.NotNull(LazyInitializer.EnsureInitialized(ref a, ref aInit, ref aLock));
Assert.NotNull(a);
Assert.True(aInit);
Assert.NotNull(aLock);
// Activator.CreateInstance (already initialized).
HasDefaultCtor b = hdcTemplate;
bool bInit = true;
object bLock = null;
Assert.Equal(hdcTemplate, LazyInitializer.EnsureInitialized(ref b, ref bInit, ref bLock));
Assert.Equal(hdcTemplate, b);
Assert.True(bInit);
Assert.Null(bLock);
// Func based initialization (uninitialized).
string c = null;
bool cInit = false;
object cLock = null;
Assert.Equal(strTemplate, LazyInitializer.EnsureInitialized(ref c, ref cInit, ref cLock, () => strTemplate));
Assert.Equal(strTemplate, c);
Assert.True(cInit);
Assert.NotNull(cLock);
// Func based initialization (already initialized).
string d = strTemplate;
bool dInit = true;
object dLock = null;
Assert.Equal(strTemplate, LazyInitializer.EnsureInitialized(ref d, ref dInit, ref dLock, () => strTemplate + "bar"));
Assert.Equal(strTemplate, d);
Assert.True(dInit);
Assert.Null(dLock);
// Func based initialization (nulls *ARE* permitted).
string e = null;
bool einit = false;
object elock = null;
int initCount = 0;
Assert.Null(LazyInitializer.EnsureInitialized(ref e, ref einit, ref elock, () => { initCount++; return(null); }));
Assert.Null(e);
Assert.Equal(1, initCount);
Assert.True(einit);
Assert.NotNull(elock);
Assert.Null(LazyInitializer.EnsureInitialized(ref e, ref einit, ref elock, () => { initCount++; return(null); }));
// Func based initialization without tracking boolean (uninitialized).
string f = null;
object fLock = null;
Assert.Equal(strTemplate, LazyInitializer.EnsureInitialized(ref f, ref fLock, () => strTemplate));
Assert.Equal(strTemplate, f);
Assert.NotNull(fLock);
// Func based initialization without tracking boolean (already initialized).
string g = strTemplate;
object gLock = null;
Assert.Equal(strTemplate, LazyInitializer.EnsureInitialized(ref g, ref gLock, () => strTemplate + "bar"));
Assert.Equal(strTemplate, g);
Assert.Null(gLock);
// Func based initialization without tracking boolean (nulls not permitted).
string h = null;
object hLock = null;
Assert.Throws <InvalidOperationException>(() => LazyInitializer.EnsureInitialized(ref h, ref hLock, () => null));
}
public InitializeSimpleMembershipAttribute()
{
LazyInitializer.EnsureInitialized(ref _initializer, ref _isInitialized, ref _initializerLock);
}
internal SemaphoreSlim EnsureAsyncActiveSemaphoreInitialized()
{
// Lazily-initialize _asyncActiveSemaphore. As we're never accessing the SemaphoreSlim's
// WaitHandle, we don't need to worry about Disposing it.
return(LazyInitializer.EnsureInitialized(ref _asyncActiveSemaphore, () => new SemaphoreSlim(1, 1)));
}
public IList <Damage> GetCleanDamages()
{
return(LazyInitializer.EnsureInitialized(ref _cleanDamages, CalculateCleanDamages));
}
private static string ReadXdgDirectory(string homeDir, string key, string fallback)
{
Debug.Assert(!string.IsNullOrEmpty(homeDir), $"Expected non-empty homeDir");
Debug.Assert(!string.IsNullOrEmpty(key), $"Expected non-empty key");
Debug.Assert(!string.IsNullOrEmpty(fallback), $"Expected non-empty fallback");
string envPath = GetEnvironmentVariable(key);
if (!string.IsNullOrEmpty(envPath) && envPath[0] == '/')
{
return(envPath);
}
// Use the user-dirs.dirs file to look up the right config.
// Note that the docs also highlight a list of directories in which to look for this file:
// "$XDG_CONFIG_DIRS defines the preference-ordered set of base directories to search for configuration files in addition
// to the $XDG_CONFIG_HOME base directory. The directories in $XDG_CONFIG_DIRS should be separated with a colon ':'. If
// $XDG_CONFIG_DIRS is either not set or empty, a value equal to / etc / xdg should be used."
// For simplicity, we don't currently do that. We can add it if/when necessary.
string userDirsPath = Path.Combine(GetXdgConfig(homeDir), "user-dirs.dirs");
if (Interop.Sys.Access(userDirsPath, Interop.Sys.AccessMode.R_OK) == 0)
{
try
{
// TODO #11151: Replace with direct usage of File.ReadLines or equivalent once we have access to System.IO.FileSystem here.
Func <string, IEnumerable <string> > readLines = LazyInitializer.EnsureInitialized(ref s_fileReadLines, () =>
{
Type fileType = Type.GetType("System.IO.File, System.IO.FileSystem, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", throwOnError: false);
if (fileType != null)
{
foreach (MethodInfo mi in fileType.GetTypeInfo().GetDeclaredMethods("ReadLines"))
{
if (mi.GetParameters().Length == 1)
{
return((Func <string, IEnumerable <string> >)mi.CreateDelegate(typeof(Func <string, IEnumerable <string> >)));
}
}
}
return(null);
});
IEnumerable <string> lines = readLines?.Invoke(userDirsPath);
if (lines != null)
{
foreach (string line in lines)
{
// Example lines:
// XDG_DESKTOP_DIR="$HOME/Desktop"
// XDG_PICTURES_DIR = "/absolute/path"
// Skip past whitespace at beginning of line
int pos = 0;
SkipWhitespace(line, ref pos);
if (pos >= line.Length)
{
continue;
}
// Skip past requested key name
if (string.CompareOrdinal(line, pos, key, 0, key.Length) != 0)
{
continue;
}
pos += key.Length;
// Skip past whitespace and past '='
SkipWhitespace(line, ref pos);
if (pos >= line.Length - 4 || line[pos] != '=')
{
continue; // 4 for ="" and at least one char between quotes
}
pos++; // skip past '='
// Skip past whitespace and past first quote
SkipWhitespace(line, ref pos);
if (pos >= line.Length - 3 || line[pos] != '"')
{
continue; // 3 for "" and at least one char between quotes
}
pos++; // skip past opening '"'
// Skip past relative prefix if one exists
bool relativeToHome = false;
const string RelativeToHomePrefix = "$HOME/";
if (string.CompareOrdinal(line, pos, RelativeToHomePrefix, 0, RelativeToHomePrefix.Length) == 0)
{
relativeToHome = true;
pos += RelativeToHomePrefix.Length;
}
else if (line[pos] != '/') // if not relative to home, must be absolute path
{
continue;
}
// Find end of path
int endPos = line.IndexOf('"', pos);
if (endPos <= pos)
{
continue;
}
// Got we need. Now extract it.
string path = line.Substring(pos, endPos - pos);
return(relativeToHome ?
Path.Combine(homeDir, path) :
path);
}
}
}
catch (Exception exc)
{
// assembly not found, file not found, errors reading file, etc. Just eat everything.
Debug.Fail($"Failed reading {userDirsPath}: {exc}");
}
}
return(Path.Combine(homeDir, fallback));
}
public virtual void NotifyReaderCreated([NotNull] DbDataReader dataReader)
=> LazyInitializer
.EnsureInitialized(
ref _valueBufferFactory,
() => QuerySqlGeneratorFactory()
.CreateValueBufferFactory(_valueBufferFactoryFactory, dataReader));
public static SerialPort GetInstance()
{
return(LazyInitializer.EnsureInitialized(ref _instance, () => new SerialPort()));
}
public T EnsureInitialized()
{
return(LazyInitializer.EnsureInitialized <T>(ref _value, ref _initialized, ref _lock, _initializer));
}
void EnsureConsumerInitialized() => LazyInitializer.EnsureInitialized(ref consumer, InitializeConsumer);
internal static T EnsureInitialized <T>(ref T field, Func <T> initializer) where T : class => LazyInitializer.EnsureInitialized(ref field, ref InternalSyncObject, initializer);
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
// Asegúrese de que ASP.NET Simple Membership se inicialice solo una vez por inicio de la aplicación
LazyInitializer.EnsureInitialized(ref _initializer, ref _isInitialized, ref _initializerLock);
}
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
LazyInitializer.EnsureInitialized(ref membershipInitializer, ref isInitialized, ref initializationLock);
}
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
// S'assurer qu'ASP.NET Simple Membership est initialisé une seule fois par démarrage d'application
LazyInitializer.EnsureInitialized(ref _initializer, ref _isInitialized, ref _initializerLock);
}
private static void EnsureFixedInfo()
{
LazyInitializer.EnsureInitialized(ref s_fixedInfo, ref s_fixedInfoInitialized, ref s_syncObject, () => GetFixedInfo());
}
/// <summary>
/// Returns the machine name.
/// </summary>
/// <returns>The machine name.</returns>
public string GetMachineName()
{
return(LazyInitializer.EnsureInitialized(ref this.hostName, this.GetHostName));
}
/// <inheritdoc />
public IReadOnlyCollection <ModuleHelpData> GetModuleHelpData()
=> LazyInitializer.EnsureInitialized(ref _cachedHelpData, () =>
_commands.Modules
.Where(x => !x.Attributes.Any(attr => attr is HiddenFromHelpAttribute))
.Select(x => ModuleHelpData.FromModuleInfo(x))
.ToArray());
/// <summary>
/// Initializes a new instance of the <see cref="WebUserSecurity"/> class.
/// </summary>
/// <param name="securityRepository">The security repository.</param>
public WebUserSecurity(ISecurityRepository securityRepository)
{
_securityRepository = securityRepository;
LazyInitializer.EnsureInitialized(ref _initializer, ref _isInitialized, ref _initializerLock);
}
/// <summary>
/// Resolves type by <paramref name="typeResolver"/> if not yet resoved
/// and activates it.
/// </summary>
/// <param name="typeResolver">Method to resolve type</param>
/// <returns></returns>
public object Activate(Func <Type> typeResolver)
=> Activator.CreateInstance(LazyInitializer.EnsureInitialized(ref cache,
typeResolver));
public void EnsureInstalled()
{
LazyInitializer.EnsureInitialized(ref _initDummy, Install);
}
public SyncBootState GetSyncBootState()
=> LazyInitializer.EnsureInitialized(
ref _syncBootState,
ref _syncBootStateReady,
ref _syncBootStateLock,
() => InitializeColdBootState(_lastSyncedFileManager.LastSyncedId));
private IProperty[] EnsurePropertiesInitialized()
{
return(LazyInitializer.EnsureInitialized(ref _properties, LoadProperties));
}
internal IChangeToken GetFilterChangeToken()
{
CancellationTokenSource cts = LazyInitializer.EnsureInitialized(ref _cancellationTokenSource, () => new CancellationTokenSource());
return(new CancellationChangeToken(cts.Token));
}
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
// Ensure ASP.NET Simple Membership is initialized only once per app start
LazyInitializer.EnsureInitialized(ref _initializer, ref _isInitialized, ref _initializerLock);
}
public QCTestViewModel()
{
_model = LazyInitializer.EnsureInitialized <WarehouseModel>(ref _model, () => new WarehouseModel());
}
private SemaphoreSlim EnsureAsyncActiveSemaphoreInitialized()
{
return(LazyInitializer.EnsureInitialized(ref _asyncActiveSemaphore, () => new SemaphoreSlim(1, 1)));
}
/// <summary>
/// Load settings from the AppSettings section of the config file.
/// </summary>
/// <returns></returns>
public static IDictionary <string, string> LoadFromConfig()
{
return(LazyInitializer.EnsureInitialized(
ref _fromConfigImplementation,
() => new FromConfigImplementation()));
}
