/// <summary>
/// Returns cache options for absolute expiration.
/// </summary>
/// <remarks>
/// A cached value might expire sooner than the specified time.
/// </remarks>
/// <param name="absoluteExpirationTime">The absolute time when the cached value
/// will expire</param>
/// <returns></returns>
public static CacheOptions AbsoluteExpiration(DateTime absoluteExpirationTime)
{
CacheOptions options = new CacheOptions();
options.absoluteExpirationTime = absoluteExpirationTime;
return(options);
}
/// <summary>
/// Returns cache options for sliding expiration.
/// </summary>
/// <remarks>
/// A cached value might expire sooner than the specified time.
/// </remarks>
/// <param name="slidingExpirationTimeSpan">The time when a cached value will
/// expire relative to the time it was added to the cache</param>
/// <returns>The cache options</returns>
public static CacheOptions SlidingExpiration(TimeSpan slidingExpirationTimeSpan)
{
CacheOptions options = new CacheOptions();
options.slidingExpirationTimeSpan = slidingExpirationTimeSpan;
return(options);
}
/// <inheritdoc />
protected override void InternalSet(string key, object value, CacheOptions options)
{
DateTime expirationTime = options.GetUtcExpirationTimeRelativeToNow();
lock (items)
{
items[key] = new CacheItem(value, expirationTime);
if (expirationTime < nextExpirationTime)
{
nextExpirationTime = expirationTime;
}
}
}
/// <inheritdoc />
public void Set(string key, object value, CacheOptions options)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
if (key.Length == 0)
{
throw new ArgumentException("Key must not be empty.", "key");
}
if (value == null)
{
throw new ArgumentNullException("value");
}
InternalSet(key, value, options);
}
/// <summary>
/// Returns cache options for absolute expiration.
/// </summary>
/// <remarks>
/// A cached value might expire sooner than the specified time.
/// </remarks>
/// <param name="absoluteExpirationTime">The absolute time when the cached value
/// will expire</param>
/// <returns></returns>
public static CacheOptions AbsoluteExpiration(DateTime absoluteExpirationTime)
{
CacheOptions options = new CacheOptions();
options.absoluteExpirationTime = absoluteExpirationTime;
return options;
}
/// <summary>
/// Returns cache options for sliding expiration.
/// </summary>
/// <remarks>
/// A cached value might expire sooner than the specified time.
/// </remarks>
/// <param name="slidingExpirationTimeSpan">The time when a cached value will
/// expire relative to the time it was added to the cache</param>
/// <returns>The cache options</returns>
public static CacheOptions SlidingExpiration(TimeSpan slidingExpirationTimeSpan)
{
CacheOptions options = new CacheOptions();
options.slidingExpirationTimeSpan = slidingExpirationTimeSpan;
return options;
}
/// <inheritdoc />
protected override void InternalSet(string key, object value, CacheOptions options)
{
innerCache.Set(partitionPrefix + key, value, options);
}
/// <inheritdoc />
protected override void InternalSet(string key, object value, CacheOptions options)
{
}
/// <summary> /// Internal implementation of <see cref="Set(string, object, CacheOptions)" />. /// All parameters have been validated by the base class. /// </summary> /// <param name="key">The cache key</param> /// <param name="value">The value to set, must not be null</param> /// <param name="options">The cache options for the value</param> protected abstract void InternalSet(string key, object value, CacheOptions options);
/// <inheritdoc />
protected override void InternalSet(string key, object value, CacheOptions options)
{
DateTime expirationTime = options.GetUtcExpirationTimeRelativeToNow();
lock (items)
{
items[key] = new CacheItem(value, expirationTime);
if (expirationTime < nextExpirationTime)
nextExpirationTime = expirationTime;
}
}
/// <summary> /// Internal implementation of <see cref="Set(string, object, CacheOptions)" />. /// All parameters have been validated by the base class. /// </summary> /// <param name="key">The cache key</param> /// <param name="value">The value to set, must not be null</param> /// <param name="options">The cache options for the value</param> protected abstract void InternalSet(string key, object value, CacheOptions options);
/// <inheritdoc />
public void Set(string key, object value, CacheOptions options)
{
if (key == null)
throw new ArgumentNullException("key");
if (key.Length == 0)
throw new ArgumentException("Key must not be empty.", "key");
if (value == null)
throw new ArgumentNullException("value");
InternalSet(key, value, options);
}
/// <inheritdoc />
protected override void InternalSet(string key, object value, CacheOptions options)
{
}
/// <inheritdoc />
protected override void InternalSet(string key, object value, CacheOptions options)
{
innerCache.Set(partitionPrefix + key, value, options);
}