/// <summary>
/// Creates the delegate.
/// </summary>
/// <typeparam name="TDelegate">The type of the delegate.</typeparam>
/// <param name="creatorFunc">The creator function.</param>
/// <param name="cacheStrategy">The cache strategy.</param>
/// <returns>The delegate value</returns>
private static object CreateDelegate <TDelegate>(Func <TDelegate> creatorFunc, DynamicMethodCacheStrategy cacheStrategy)
{
if (cacheStrategy == DynamicMethodCacheStrategy.Temporary)
{
return(new WeakReference(creatorFunc()));
}
return(creatorFunc());
}
/// <summary>
/// Gets or adds the method delegate.
/// </summary>
/// <typeparam name="TDelegate">The type of the delegate.</typeparam>
/// <param name="memberInfo">The member information.</param>
/// <param name="creatorFunc">The creator function.</param>
/// <param name="cacheStrategy">The cache strategy.</param>
/// <returns>The method delegate.</returns>
public TDelegate GetOrAddDelegate <TDelegate>(DynamicMethodInfo memberInfo, Func <TDelegate> creatorFunc, DynamicMethodCacheStrategy cacheStrategy)
{
object entry;
if (m_Entries.TryGetValue(memberInfo, out entry))
{
WeakReference weakReference = entry as WeakReference;
if (weakReference != null)
{
if (weakReference.IsAlive)
{
return((TDelegate)weakReference.Target);
}
m_Entries[memberInfo] = entry = CreateDelegate(creatorFunc, cacheStrategy);
}
else
{
return((TDelegate)entry);
}
}
else
{
m_Entries[memberInfo] = entry = CreateDelegate(creatorFunc, cacheStrategy);
}
return((TDelegate)(entry is WeakReference ? ((WeakReference)entry).Target : entry));
}