private void ValidateRegionConfig(RegionConfiguration region)
{
if (string.IsNullOrEmpty(region.RegionName))
throw new ConfigurationException("region-name cannot be null or empty.");
if (string.IsNullOrEmpty(region.CacheName))
throw new ConfigurationException("cache-name cannot be null in region = " + region.RegionName);
region.ExpirationType = region.ExpirationType.ToLower();
if(region.ExpirationType!="absolute" && region.ExpirationType!="sliding" && region.ExpirationType!="none")
throw new ConfigurationException("Invalid value for expiraion-type in region = " + region.RegionName);
if (region.ExpirationType != "none")
{
if(region.ExpirationPeriod<=0)
throw new ConfigurationException("Invalid value for expiraion-period in region = " + region.RegionName + ". Expiraion period must be greater than zero.");
}
region.Priority = region.Priority.ToLower();
switch (region.Priority)
{
case "abovenormal":
region.CacheItemPriority = Alachisoft.NCache.Runtime.CacheItemPriority.AboveNormal;
break;
case "belownormal":
region.CacheItemPriority = Alachisoft.NCache.Runtime.CacheItemPriority.BelowNormal;
break;
case "default":
region.CacheItemPriority = Alachisoft.NCache.Runtime.CacheItemPriority.Default;
break;
case "high":
region.CacheItemPriority = Alachisoft.NCache.Runtime.CacheItemPriority.High;
break;
case "low":
region.CacheItemPriority = Alachisoft.NCache.Runtime.CacheItemPriority.Low;
break;
case "normal":
region.CacheItemPriority = Alachisoft.NCache.Runtime.CacheItemPriority.Normal;
break;
case "notremovable":
region.CacheItemPriority = Alachisoft.NCache.Runtime.CacheItemPriority.NotRemovable;
break;
default:
throw new ConfigurationException("Invalid value for priority in region = " + region.RegionName);
}
}
/// <summary>
/// Initializes new cache region.
/// </summary>
/// <param name="regionName">Name of region.</param>
/// <param name="properties"></param>
public NCache(string regionName, IDictionary<string, string> properties)
{
try
{
if (_logger.IsDebugEnabled)
{
_logger.Debug(String.Format("Initializing NCache with region : {0}", regionName));
}
_regionName = regionName;
_regionConfig = ConfigurationManager.Instance.GetRegionConfiguration(regionName);
lock (_caches)
{
if (_caches.ContainsKey(_regionConfig.CacheName))
{
_cacheHandler = _caches[_regionConfig.CacheName];
_cacheHandler.IncrementRefCount();
}
else
{
_cacheHandler = new CacheHandler(_regionConfig.CacheName, ConfigurationManager.Instance.ExceptionEnabled);
_caches.Add(_regionConfig.CacheName, _cacheHandler);
}
}
if (properties["connection.connection_string"] != null)
{
_connectionString = Convert.ToString(properties["connection.connection_string"]);
}
}
catch (Exception e)
{
if (_logger.IsErrorEnabled)
{
_logger.Error("Failed to initialize NCache. " + e.Message);
}
throw new CacheException("Failed to initialize NCache. "+e.Message,e);
}
}