/// <summary>
/// Expires the specified cache tag.
/// </summary>
/// <param name="cacheTag">The cache tag.</param>
/// <returns>
/// The number of items expired.
/// </returns>
public override int Expire(ICacheTag cacheTag)
{
string key = GetTagKey(cacheTag);
var item = new CacheItem(key, DateTimeOffset.UtcNow.Ticks);
var policy = new CacheItemPolicy {
AbsoluteExpiration = ObjectCache.InfiniteAbsoluteExpiration
};
MemoryCache.Default.Set(item, policy);
return(0);
}
protected override ICacheTag ReadOneTag(JProperty item)
{
ICacheTag cacheTag = base.ReadOneTag(item);
if (cacheTag is IAllowDefaultIfOptionWithoutValue tagWithNoValueDefault)
{
tagWithNoValueDefault.DefaultIfOptionWithoutValue = item.Value.ToString(nameof(IAllowDefaultIfOptionWithoutValue.DefaultIfOptionWithoutValue));
return cacheTag;
}
return cacheTag;
}
/// <summary>
/// Indicates whether the current object is equal to another object of the same type.
/// </summary>
/// <param name="other">An object to compare with this object.</param>
/// <returns>
/// true if the current object is equal to the <paramref name="other"/> parameter; otherwise, false.
/// </returns>
bool Equals(ICacheTag other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return(string.Equals(other.Tag, Tag, StringComparison.Ordinal));
}
public static string GetFileFormatExclude(this TemplateInfo info)
{
ICacheTag tag = null;
foreach (string tagName in FileFormattingExcludeTagProvider.TagNames)
{
if (info.Tags.TryGetValue(tagName, out tag))
{
if (!string.IsNullOrEmpty(tag.DefaultValue))
{
return(tag.DefaultValue);
}
}
}
return(null);
}
public static string GetCategory(this TemplateInfo info, string defaultCategory)
{
ICacheTag tag = null;
foreach (string tagName in TemplateCategoryTagNameProvider.CategoryTagNames)
{
if (info.Tags.TryGetValue(tagName, out tag))
{
if (!string.IsNullOrEmpty(tag.DefaultValue))
{
return(tag.DefaultValue);
}
}
}
return(defaultCategory);
}
public abstract int Expire(ICacheTag cacheTag);
public static string GetTagKey(ICacheTag t)
{
return(string.Format(_tagKey, t));
}
bool IEquatable <ICacheTag> .Equals(ICacheTag other)
{
return(Equals((CacheTag)other));
}
