/// <summary>
/// Overloaded constructor. Takes the properties as a map.
/// </summary>
/// <param name="properties">property collection</param>
public StorageProviderBase(IDictionary properties, bool evictionEnabled, ILogger NCacheLog, IAlertPropagator alertPropagator)
{
Initialize(properties, evictionEnabled);
_ncacheLog = NCacheLog;
_alertPropagator = alertPropagator;
string tmp;
_evictionReportSize = ServiceConfiguration.CacheSizeThreshold;
if (_evictionReportSize > 0)
{
_reportCacheNearEviction = true;
}
_reportInterval = ServiceConfiguration.CacheSizeReportInterval;
}
/// <summary>
/// Overloaded constructor. Takes the properties as a map.
/// </summary>
/// <param name="properties">properties collection</param>
public ClrHeapStorageProvider(IDictionary properties, bool evictionEnabled, ILogger NCacheLog, IAlertPropagator alertPropagator)
: base(properties, evictionEnabled, NCacheLog, alertPropagator)
{
_evictionEnabled = evictionEnabled;
_itemDict = new HashVector(DEFAULT_CAPACITY, 0.7f);
}
/// <summary>
/// Internal method that creates a cache store. A HashMap containing the config parameters
/// is passed to this method.
/// </summary>
public static ICacheStorage CreateStorageProvider(IDictionary properties, string cacheContext, bool evictionEnabled, ILogger NCacheLog, IAlertPropagator alertPropagator)
{
if (properties == null)
{
throw new ArgumentNullException("properties");
}
StorageProviderBase cacheStorage = null;
try
{
if (!properties.Contains("class"))
{
throw new ConfigurationException("Missing cache store class.");
}
string scheme = Convert.ToString(properties["class"]).ToLower();
IDictionary schemeProps = (IDictionary)properties[scheme];
if (scheme.CompareTo("heap") == 0)
{
cacheStorage = new ClrHeapStorageProvider(schemeProps, evictionEnabled, NCacheLog, alertPropagator);
}
else if (scheme.CompareTo("memory") == 0)
{
cacheStorage = new InMemoryStorageProvider(schemeProps, evictionEnabled);
}
else if (scheme.CompareTo("memory-mapped") == 0)
{
cacheStorage = new MmfStorageProvider(schemeProps, evictionEnabled);
}
else if (scheme.CompareTo("file") == 0)
{
cacheStorage = new FileSystemStorageProvider(schemeProps, evictionEnabled);
}
else
{
throw new ConfigurationException("Invalid cache store class: " + scheme);
}
if (cacheStorage != null)
{
cacheStorage.CacheContext = cacheContext;
}
}
catch (ConfigurationException e)
{
Trace.error("CacheStorageFactory.CreateCacheStore()", e.ToString());
throw;
}
catch (Exception e)
{
Trace.error("CacheStorageFactory.CreateCacheStore()", e.ToString());
throw new ConfigurationException("Configuration Error: " + e.ToString(), e);
}
return(cacheStorage);
}
