/// <summary>
/// Initializes a new instance of the <see cref="JsEngineFactory"/> class.
/// </summary>
public JsEngineFactory(IJsPool pool, IJsEngineBuilder jsEngineBuilder, IJsEngineInitializer jsEngineInitializer)
{
_pool = pool;
_jsEngineBuilder = jsEngineBuilder;
_jsEngineInitializer = jsEngineInitializer;
// Reset the recycle exception on recycle. If there *are* errors loading the scripts
// during recycle, the errors will be caught in the initializer.
_pool.Recycled += (sender, args) => _scriptLoadException = null;
}
/// <summary>
/// Called when any of the watched files have changed. Recycles the JavaScript engine pool
/// so the files are all reloaded.
/// </summary>
/// <param name="state">Unused</param>
protected virtual void OnResetPoolTimer(object state)
{
// Create the new pool before disposing the old pool so that _pool is never null.
var oldPool = _pool;
_pool = CreatePool();
if (oldPool != null)
{
oldPool.Dispose();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="JavaScriptEngineFactory"/> class.
/// </summary>
public JavaScriptEngineFactory(
IEnumerable<Registration> availableFactories,
IReactSiteConfiguration config,
IFileSystem fileSystem
)
{
_config = config;
_fileSystem = fileSystem;
_factory = GetFactory(availableFactories, config.AllowMsieEngine);
if (_config.ReuseJavaScriptEngines)
{
_pool = CreatePool();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="JavaScriptEngineFactory"/> class.
/// </summary>
public JavaScriptEngineFactory(
IEnumerable <Registration> availableFactories,
IReactSiteConfiguration config,
IFileSystem fileSystem
)
{
_config = config;
_fileSystem = fileSystem;
_factory = GetFactory(availableFactories, config.AllowMsieEngine);
if (_config.ReuseJavaScriptEngines)
{
_pool = CreatePool();
}
}
/// <summary>
/// Clean up all engines
/// </summary>
public virtual void Dispose()
{
_disposed = true;
foreach (var engine in _engines)
{
if (engine.Value != null)
{
engine.Value.Dispose();
}
}
if (_pool != null)
{
_pool.Dispose();
_pool = null;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="JavaScriptEngineFactory"/> class.
/// </summary>
public JavaScriptEngineFactory(
IJsEngineSwitcher jsEngineSwitcher,
IReactSiteConfiguration config,
IFileSystem fileSystem
)
{
_jsEngineSwitcher = jsEngineSwitcher;
_config = config;
_fileSystem = fileSystem;
#pragma warning disable 618
_factory = GetFactory(_jsEngineSwitcher, config.AllowMsieEngine);
#pragma warning restore 618
if (_config.ReuseJavaScriptEngines)
{
_pool = CreatePool();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="JavaScriptEngineFactory"/> class.
/// </summary>
public JavaScriptEngineFactory(
JsEngineSwitcher jsEngineSwitcher,
IReactSiteConfiguration config,
IFileSystem fileSystem
)
{
_jsEngineSwitcher = jsEngineSwitcher;
_config = config;
_fileSystem = fileSystem;
#pragma warning disable 618
_factory = GetFactory(_jsEngineSwitcher, config.AllowMsieEngine);
#pragma warning restore 618
if (_config.ReuseJavaScriptEngines)
{
_pool = CreatePool();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="JavaScriptEngineFactory"/> class.
/// </summary>
public JavaScriptEngineFactory(
IEnumerable <Registration> availableFactories,
IReactSiteConfiguration config,
IFileSystem fileSystem
)
{
_config = config;
_fileSystem = fileSystem;
_factory = GetFactory(availableFactories);
if (_config.ReuseJavaScriptEngines)
{
_pool = CreatePool();
_resetPoolTimer = new Timer(OnResetPoolTimer);
_watchedFiles = new HashSet <string>(_config.Scripts.Select(
fileName => _fileSystem.MapPath(fileName).ToLowerInvariant()
));
try
{
// Attempt to initialise a FileSystemWatcher so we can recycle the JavaScript
// engine pool when files are changed.
_watcher = new FileSystemWatcher
{
Path = _fileSystem.MapPath("~"),
IncludeSubdirectories = true,
EnableRaisingEvents = true,
};
_watcher.Changed += OnFileChanged;
_watcher.Created += OnFileChanged;
_watcher.Deleted += OnFileChanged;
_watcher.Renamed += OnFileChanged;
}
catch (Exception ex)
{
// Can't use FileSystemWatcher (eg. not running in Full Trust)
Trace.WriteLine("Unable to initialise FileSystemWatcher: " + ex.Message);
}
}
}
/// <summary>
/// Clean up all engines
/// </summary>
public virtual void Dispose()
{
_disposed = true;
foreach (var engine in _engines)
{
if (engine.Value != null)
{
engine.Value.Dispose();
}
}
if (_pool != null)
{
_pool.Dispose();
_pool = null;
}
}
public HomeController(IJsPool jsPool)
{
_jsPool = jsPool;
}
