/// <summary>
/// Inserts a cache entry into the cache overwriting any existing cache entry.
/// </summary>
/// <param name="key">A unique identifier for the cache entry.</param>
/// <param name="value">The object to insert.</param>
/// <param name="absoluteExpiration">The fixed date and time at which the cache entry will expire.</param>
public void Set(string key, object value, DateTimeOffset absoluteExpiration)
{
var policy = CachePolicy.WithAbsoluteExpiration(absoluteExpiration);
Set(key, value, policy);
}
/// <summary>
/// Inserts a cache entry into the cache without overwriting any existing cache entry.
/// </summary>
/// <param name="key">A unique identifier for the cache entry.</param>
/// <param name="value">The object to insert.</param>
/// <param name="absoluteExpiration">The fixed date and time at which the cache entry will expire.</param>
/// <returns>
/// <c>true</c> if insertion succeeded, or <c>false</c> if there is an already an entry in the cache that has the same key as key.
/// </returns>
public bool Add(string key, object value, DateTimeOffset absoluteExpiration)
{
var cachePolicy = CachePolicy.WithAbsoluteExpiration(absoluteExpiration);
return(Add(key, value, cachePolicy));
}
/// <summary>
/// Gets the cache value for the specified key that is already in the dictionary or the new value for the key as returned by <paramref name="valueFactory"/>.
/// </summary>
/// <param name="key">A unique identifier for the cache entry.</param>
/// <param name="valueFactory">The function used to generate a value to insert into cache.</param>
/// <param name="absoluteExpiration">The fixed date and time at which the cache entry will expire.</param>
/// <returns>
/// The value for the key. This will be either the existing value for the key if the key is already in the dictionary,
/// or the new value for the key as returned by <paramref name="valueFactory"/> if the key was not in the dictionary.
/// </returns>
public object GetOrAdd(string key, Func <string, object> valueFactory, DateTimeOffset absoluteExpiration)
{
var policy = CachePolicy.WithAbsoluteExpiration(absoluteExpiration);
return(GetOrAdd(key, valueFactory, policy));
}