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CacheItemPolicyConfiguration

CacheItemPolicyConfiguration is a .NET library that provides a programmatic and .NET config file-based configuration of cache item policies used with the System.Runtime.Caching.ObjectCache class and its derived classes (such as System.Runtime.Caching.MemoryCache).

NuGet Package

This library is available from the NuGet Gallery as the CacheItemPolicyConfiguration package.

To install CacheItemPolicyConfiguration, run the following command in the Package Manager Console

Install-Package CacheItemPolicyConfiguration

The package currently provides a version built against the Microsoft .NET Framework 4.5.

Example Usage

var config = new ConfigFileBasedCacheItemPolicyConfiguration();
var factory = new CacheItemPolicyFactory(config);
var cacheItemPolicy = factory.Create("MyPolicy01");
cache.Add(key, value, cacheItemPolicy);

In the C# example above, the cache variable is an instance of the System.Runtime.Caching.ObjectCache class, key is a string and value is the object to be cached.

Config Section

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
	<configSections>
		<section name="cacheItemPolicies" type="CacheItemPolicyConfiguration.ConfigFile.CacheItemPolicyConfigurationSection, CacheItemPolicyConfiguration" />
	</configSections>
	<cacheItemPolicies>
		<cacheItemPolicy name="MyPolicy01" absoluteExpiration="0.00:01:00" />
		<cacheItemPolicy name="MyPolicy02" absoluteExpiration="09/15/2073 16:45:00" enabled="true" />
		<cacheItemPolicy name="MyPolicy03" absoluteExpiration="infinite" enabled="true" />
		<cacheItemPolicy name="MyPolicy04" slidingExpiration="0.00:20:00" enabled="true" />
	</cacheItemPolicies>
</configuration>