/// <summary>
/// Executes the specified action asynchronously within the cache policy and returns the result.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <param name="action">The action to perform.</param>
/// <param name="context">Execution context that is passed to the exception policy; defines the cache key to use in cache lookup.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="continueOnCapturedContext">Whether to continue on a captured synchronization context.</param>
/// <returns>The value returned by the action, or the cache.</returns>
public override Task <TResult> ExecuteAsync <TResult>(Func <Context, CancellationToken, Task <TResult> > action, Context context, CancellationToken cancellationToken, bool continueOnCapturedContext)
{
return(CacheEngine.ImplementationAsync <TResult>(
_asyncCacheProvider.AsyncFor <TResult>(),
_ttlStrategy,
_cacheKeyStrategy,
action,
context,
cancellationToken,
continueOnCapturedContext,
_onCacheGet,
_onCacheMiss,
_onCachePut,
_onCacheGetError,
_onCachePutError));
}
internal override Task <TResult> ExecuteAsyncInternal <TResult>(Func <Context, CancellationToken, Task <TResult> > action, Context context, CancellationToken cancellationToken, bool continueOnCapturedContext)
{
if (_asyncCacheProvider == null)
{
throw new InvalidOperationException("Please use asynchronous-defined policies when calling asynchronous ExecuteAsync (and similar) methods.");
}
return(CacheEngine.ImplementationAsync <TResult>(
_asyncCacheProvider.AsyncFor <TResult>(),
_ttlStrategy.For <TResult>(),
_cacheKeyStrategy,
action,
context,
cancellationToken,
continueOnCapturedContext,
_onCacheGet,
_onCacheMiss,
_onCachePut,
_onCacheGetError,
_onCachePutError));
}