/// <summary>
/// Tries to load value from <paramref name="storage"/> associated with <paramref name="key"/> of <paramref name="type"/>.
/// In default implementation uses underlaying <paramref name="storage"/> capability to load value of <paramref name="type"/>.
/// </summary>
/// <param name="storage">The composite storage to laod value from.</param>
/// <param name="key">The key to value of.</param>
/// <param name="type">The type of value to load.</param>
/// <param name="value">The loaded value or <c>null</c>.</param>
/// <returns><c>true</c> if <paramref name="value"/> was provided; <c>false</c> otherwise.</returns>
protected virtual bool TryLoadValue(ICompositeStorage storage, string key, Type type, out object value)
{
MethodInfo methodInfo;
if (!tryGetCache.TryGetValue(type, out methodInfo))
{
methodInfo = storage.GetType().GetMethods().FirstOrDefault(m => m.Name == tryGetMethodName && m.IsGenericMethod);
if (methodInfo == null)
{
value = null;
return(false);
}
methodInfo = methodInfo.MakeGenericMethod(type);
tryGetCache[type] = methodInfo;
}
object[] parameters = new object[2] {
key, null
};
bool result = (bool)methodInfo.Invoke(storage, parameters);
value = parameters[1];
return(result);
}
/// <summary>
/// Tries to load value from <paramref name="storage"/> associated with <paramref name="key"/> of <paramref name="type"/>.
/// In default implementation uses underlaying <paramref name="storage"/> capability to load value of <paramref name="type"/>.
/// </summary>
/// <param name="storage">The composite storage to laod value from.</param>
/// <param name="key">The key to value of.</param>
/// <param name="type">The type of value to load.</param>
/// <param name="value">The loaded value or <c>null</c>.</param>
/// <returns><c>true</c> if <paramref name="value"/> was provided; <c>false</c> otherwise.</returns>
protected virtual bool TryLoadValue(ICompositeStorage storage, string key, Type type, out object value)
{
MethodInfo methodInfo;
if (!tryGetCache.TryGetValue(type, out methodInfo))
{
methodInfo = storage.GetType().GetMethods().FirstOrDefault(m => m.Name == tryGetMethodName && m.IsGenericMethod);
if (methodInfo == null)
{
value = null;
return(false);
}
methodInfo = methodInfo.MakeGenericMethod(type);
tryGetCache[type] = methodInfo;
}
try
{
object[] parameters = new object[2] {
key, null
};
bool result = (bool)methodInfo.Invoke(storage, parameters);
value = parameters[1];
return(result);
}
catch (TargetInvocationException e)
{
Console.WriteLine($"CTF: Key {key}, Type: {type.FullName}.");
Console.WriteLine(e.InnerException.ToString());
throw;
}
}
