/// <summary>
///
/// </summary>
/// Set object value to cache.
/// </summary>
/// <param name="cache">The cache provider.</param>
/// <param name="key">The object key.</param>
/// <param name="value">The object value.</param>
/// <param name="absoluteExpiration">The object cache absolute expiration time offset.</param>
/// <typeparam name="T"></typeparam>
/// <returns>Cached object.</returns>
public static T Set <T>(this IMyMemoryCache cache, object key, T value, DateTimeOffset absoluteExpiration)
{
var entry = cache.CreateEntry(key);
entry.SetPriority(CacheItemPriority.Normal);
entry.AbsoluteExpiration = absoluteExpiration;
entry.Value = value;
entry.Dispose();
return(value);
}
/// <summary>
///
/// </summary>
/// Set object value to cache.
/// </summary>
/// <param name="cache">The cache provider.</param>
/// <param name="key">The object key.</param>
/// <param name="value">The object value.</param>
/// <param name="absoluteExpirationRelativeToNow">The object cache absolute expiration time span from Now().</param>
/// <typeparam name="T"></typeparam>
/// <returns>Cached object.</returns>
public static T Set <T>(this IMyMemoryCache cache, object key, T value, TimeSpan absoluteExpirationRelativeToNow)
{
var entry = cache.CreateEntry(key);
entry.AbsoluteExpirationRelativeToNow = absoluteExpirationRelativeToNow;
entry.SetPriority(CacheItemPriority.Normal);
entry.Value = value;
entry.Dispose();
return(value);
}
/// <summary>
/// Set object value to cache.
/// </summary>
/// <param name="cache">The cache provider.</param>
/// <param name="key">The object key.</param>
/// <param name="value">The object value.</param>
/// <param name="priority">The object priority in cache.</param>
/// <typeparam name="T"></typeparam>
/// <returns>Cached object.</returns>
public static T Set <T>(this IMyMemoryCache cache, object key, T value, CacheItemPriority priority)
{
var entry = cache.CreateEntry(key);
entry.SetAbsoluteExpiration(MyCacheParameters.CacheAbsoluteExpiration);
entry.Priority = priority;
entry.Value = value;
entry.Dispose();
return(value);
}
/// <summary>
/// Get and/or create object value from cache.
/// </summary>
/// <param name="cache">The cache provider.</param>
/// <param name="key">The object key.</param>
/// <param name="factory">The object provider function.</param>
/// <typeparam name="TItem"></typeparam>
/// <returns>Cached object.</returns>
public static TItem GetOrCreate <TItem>(this IMyMemoryCache cache, object key, Func <ICacheEntry, TItem> factory)
{
if (!cache.TryGetValue(key, out var result))
{
var entry = cache.CreateEntry(key);
result = factory(entry);
entry.SetAbsoluteExpiration(MyCacheParameters.CacheAbsoluteExpiration);
entry.SetPriority(CacheItemPriority.Normal);
entry.SetValue(result);
entry.Dispose();
}
return((TItem)result);
}
/// </summary>
/// Set object value to cache.
/// </summary>
/// <param name="cache">The cache provider.</param>
/// <param name="key">The object key.</param>
/// <param name="value">The object value.</param>
/// <param name="options">The cache provider enty options.</param>
/// <typeparam name="T"></typeparam>
/// <returns>Cached object.</returns>
public static T Set <T>(this IMyMemoryCache cache, object key, T value, MemoryCacheEntryOptions options)
{
using (var entry = cache.CreateEntry(key))
{
if (options != null)
{
entry.SetOptions(options);
}
entry.Value = value;
}
return(value);
}
/// <summary>
/// Get and/or create object value from cache async.
/// </summary>
/// <param name="cache">The cache provider.</param>
/// <param name="key">The object key.</param>
/// <param name="absoluteExpirationRelativeToNow">The object cache absolute expiration time span from Now().</param>
/// <param name="factory">The object provider function.</param>
/// <typeparam name="TItem"></typeparam>
/// <returns>Cached object.</returns>
public static async Task <TItem> GetOrCreateAsync <TItem>(
this IMyMemoryCache cache,
object key,
TimeSpan absoluteExpirationRelativeToNow,
Func <ICacheEntry, Task <TItem> > factory)
{
if (!cache.TryGetValue(key, out object result))
{
var entry = cache.CreateEntry(key);
result = await factory(entry);
entry.SetAbsoluteExpiration(absoluteExpirationRelativeToNow);
entry.SetPriority(CacheItemPriority.Normal);
entry.SetValue(result);
entry.Dispose();
}
return((TItem)result);
}
public CacheControl(IMyMemoryCache cache)
{
_cache = cache;
}
