/// <summary>
/// Adds a new item to the cache
/// </summary>
/// <param name="key">The cache key for the item. Must not be null</param>
/// <param name="data">The data to be stored as a byte array. Must not be null</param>
/// <param name="cachePriority">The priority of the item in the cache</param>
public void Insert(string key, byte[] data, CachePriority cachePriority)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
if (data == null)
{
throw new ArgumentNullException("data");
}
Remove(key);
if (CacheSize + data.Length > _highwaterMark)
{
CacheEvictionPolicy.Run(this, CacheSize - _lowwaterMark);
if (CacheSize + data.Length > _cacheMaxSize)
{
// If even after cache eviction there is not enough space, return without caching the object
return;
}
}
var newEntry = AddEntry(key, data, cachePriority);
if (newEntry != null)
{
CacheEvictionPolicy.NotifyInsert(key, data.Length, cachePriority);
lock (_cacheLock)
{
CacheSize += newEntry.Size;
}
}
}
