/// <summary>
/// This method add an object to cache with a default expiration date of 1day.
/// </summary>
/// <param name="key">The Cache key</param>
/// <param name="objectToInsert">The object to save in cache</param>
/// <param name="expirationTime">The time the cache should expire. the default is 1hour</param>
public static void AddObjectToCache(string key, object objectToInsert, DateTime?expirationTime, bool ObjectIsPerPerson, ApplicationEnums.CacheExpiration expiration)
{
ILog log = log4net.LogManager.GetLogger(typeof(CacheHelper));
try
{
MemoryCache cache = MemoryCache.Default;
if (!expirationTime.HasValue)
{
expirationTime = DateTime.Now.AddHours(1);
}
string keyForCache = key;
if (ObjectIsPerPerson)
{
keyForCache = GetKeyForUser(key);
}
CacheItemPolicy policy = new CacheItemPolicy();
switch (expiration)
{
case ApplicationEnums.CacheExpiration.Midnight:
policy.AbsoluteExpiration = new DateTimeOffset(DateTime.Today.AddDays(1.0));
break;
case ApplicationEnums.CacheExpiration.Fix:
policy.AbsoluteExpiration = new DateTimeOffset(expirationTime.Value);
break;
case ApplicationEnums.CacheExpiration.Sliding:
TimeSpan time = expirationTime.Value - DateTime.Now;
policy.SlidingExpiration = time;
break;
case ApplicationEnums.CacheExpiration.In_2_Hours:
policy.AbsoluteExpiration = new DateTimeOffset(DateTime.Now.AddHours(2));
break;
default:
break;
}
// configuration setting to determine if cache is used
if (true)//(leads.Properties.Settings.Default.UseCache)
{
log.Debug(String.Concat("AddObjectToCache : Cache key -> ", keyForCache));
cache.Set(keyForCache, objectToInsert, policy);
}
}
catch (Exception e)
{
log.Error("[AddObjectToCache] - Exception Caught" + e.ToString());
throw;
}
}
/// <summary>
/// Adds a cache object for a user
/// </summary>
/// <param name="key"></param>
/// <param name="userId"></param>
public static void AddObjectToCache(string key, object objectToInsert, DateTime?expirationTime, string userId, ApplicationEnums.CacheExpiration expiration)
{
ILog log = log4net.LogManager.GetLogger(typeof(CacheHelper));
try
{
string cacheKey = String.Format("username={0};key={1};", userId, key);
AddObjectToCache(cacheKey, objectToInsert, expirationTime, false, expiration);
}
catch (Exception e)
{
log.Error("[AddObjectToCache] - Exception Caught" + e.ToString());
throw;
}
}
