/// <summary>
/// Creates a CacheItemPolicy instance from cache item policy configuration for the specified name.
/// </summary>
/// <param name="name">The configured cache item policy name.</param>
/// <returns>
/// An instance of <see cref="CacheItemPolicy" /> or null if the
/// cache item policy configuration for the specified name was not found.
/// </returns>
/// <exception cref="System.ArgumentNullException">name</exception>
public CacheItemPolicy Create(string name)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentNullException("name");
}
var configurationItem = _index[name];
return(CacheItemPolicyHelpers.CreateCacheItemPolicy(configurationItem));
}
/// <summary>
/// Creates a CacheItemPolicy instance from cache item policy configuration for the specified name.
/// </summary>
/// <param name="name">The configured cache item policy name.</param>
/// <returns>
/// An instance of <see cref="CacheItemPolicy" /> or null if the
/// cache item policy configuration for the specified name was not found.
/// </returns>
/// <exception cref="System.ArgumentNullException">name</exception>
public CacheItemPolicy Create(string name)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentNullException("name");
}
var configurationItem = _configuration
.CacheItemPolicyConfigurationItems
.FirstOrDefault(item =>
item.Enabled && item.Name.Equals(name, StringComparison.InvariantCultureIgnoreCase)
);
if (null == configurationItem || false == configurationItem.Enabled)
{
return(null);
}
return(CacheItemPolicyHelpers.CreateCacheItemPolicy(configurationItem));
}