/// <inheritdoc />
public object Invoke(object handlerAction, params object[] args)
{
HandlerActionInvokerCacheEntry handlerActionInvoker = this.invokerCache.GetCachedHandlerAction(handlerAction);
if (handlerActionInvoker == null)
{
throw new ArgumentNullException(nameof(handlerActionInvoker));
}
var targetHandler = handlerActionInvoker.HandlerFactory(handlerActionInvoker.HandlerType);
if (targetHandler == null)
{
throw new ArgumentNullException(nameof(targetHandler));
}
object handlerResult = null;
try
{
var handlerActionParameters = this.PrepareParameters(args, handlerActionInvoker.HandlerExecutor);
handlerResult = handlerActionInvoker.HandlerExecutor.Execute(targetHandler, handlerActionParameters);
}
catch
{
throw;
}
finally
{
handlerActionInvoker.HandlerReleaser(targetHandler);
}
return(handlerResult);
}
/// <summary>
/// Gets a <see cref="HandlerActionInvokerCacheEntry"/> based on a handler action.
/// </summary>
/// <remarks>
/// <see cref="HandlerActionInvokerCacheEntry"/> contains the handler factory creator
/// and the handler action executor.
/// </remarks>
/// <param name="handlerAction">Handler action.</param>
/// <returns>
/// Existing <see cref="HandlerActionInvokerCacheEntry"/> in cache;
/// if the entry doesn't exist, it creates a new <see cref="HandlerActionInvokerCacheEntry"/>,
/// caches it and returns it.
/// </returns>
public HandlerActionInvokerCacheEntry GetCachedHandlerAction(object handlerAction)
{
if (!this.cache.TryGetValue(handlerAction, out HandlerActionInvokerCacheEntry cacheEntry))
{
HandlerActionModel handlerActionModel = this.handlerCache.GetHandlerAction(handlerAction);
if (handlerActionModel == null)
{
throw new ArgumentNullException(nameof(handlerActionModel));
}
object[] defaultHandlerActionParameters = handlerActionModel.Method.GetMethodParametersDefaultValues();
cacheEntry = new HandlerActionInvokerCacheEntry(
handlerActionModel.HandlerTypeInfo.AsType(),
this.handlerFactory.CreateHandler,
this.handlerFactory.ReleaseHandler,
new HandlerExecutor(handlerActionModel.HandlerTypeInfo, handlerActionModel.Method, defaultHandlerActionParameters));
this.cache.Add(handlerAction, cacheEntry);
}
return(cacheEntry);
}