private IRegisteredEventsPluginHandler ThreadSafeGetOrCreateHandler()
{
if (_handler != null)
{
return(_handler);
}
if (_isIntialized)
{
return(_handler);
}
lock (_handlerLock)
{
if (_isIntialized)
{
return(_handler);
}
var local = GetPluginHandler();
local.SetConfigValues(UnsecureConfig, SecureConfig);
local.RegisterEvents();
_handler = local;
_isIntialized = true;
}
return(_handler);
}
/// <summary>
/// Initializes the plugin properties.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="plugin">The plugin.</param>
private void InitializePluginProperties(IPluginExecutionContext context, IRegisteredEventsPluginHandler plugin)
{
// Iterate over all of the expected registered events to ensure that the plugin
// has been invoked by an expected event
// For any given plug-in event at an instance in time, we would expect at most 1 result to match.
Event = plugin.RegisteredEvents.FirstOrDefault(a =>
(int)a.Stage == context.Stage &&
a.MessageName == context.MessageName &&
(string.IsNullOrWhiteSpace(a.EntityLogicalName) || a.EntityLogicalName == context.PrimaryEntityName)
);
PluginTypeName = plugin.GetType().FullName;
}
/// <summary>
/// Initializes a new instance of the <see cref="DLaBExtendedPluginContextBase"/> class.
/// </summary>
/// <param name="serviceProvider">The service provider.</param>
/// <param name="plugin">The plugin.</param>
/// <exception cref="System.ArgumentNullException">
/// serviceProvider
/// or
/// plugin
/// </exception>
public DLaBExtendedPluginContextBase(IServiceProvider serviceProvider, IRegisteredEventsPluginHandler plugin)
{
if (serviceProvider == null)
{
throw new ArgumentNullException(nameof(serviceProvider));
}
if (plugin == null)
{
throw new ArgumentNullException(nameof(plugin));
}
InitializeServiceProviderProperties(serviceProvider);
InitializePluginProperties(PluginExecutionContext, plugin);
}
/// <summary>
/// Initializes a new instance of the <see cref="LocalPluginContextBase"/> class.
/// </summary>
/// <param name="serviceProvider">The service provider.</param>
/// <param name="plugin">The plugin.</param>
/// <exception cref="System.ArgumentNullException">
/// serviceProvider
/// or
/// plugin
/// </exception>
protected LocalPluginContextBase(IServiceProvider serviceProvider, IRegisteredEventsPluginHandler plugin)
{
if (serviceProvider == null)
{
throw new ArgumentNullException("serviceProvider");
}
if (plugin == null)
{
throw new ArgumentNullException("plugin");
}
InitializeServiceProviderProperties(serviceProvider);
InitializePluginProperties(PluginExecutionContext, plugin);
}
public LocalPluginContext(IServiceProvider serviceProvider, IRegisteredEventsPluginHandler plugin)
: base(serviceProvider, plugin)
{
}
/// <summary>
/// Initializes the plugin properties.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="plugin">The plugin.</param>
private void InitializePluginProperties(IPluginExecutionContext context, IRegisteredEventsPluginHandler plugin)
{
Event = context.GetEvent(plugin.RegisteredEvents);
IsolationMode = (IsolationMode)context.IsolationMode;
PluginTypeName = plugin.GetType().FullName;
}
public LocalPluginContext(IServiceProvider serviceProvider, IRegisteredEventsPluginHandler plugin) : base(serviceProvider, plugin)
{
}