Exemplo n.º 1
0
        /// <summary>
        /// Gets the <see cref="CommandCacheItem"/> from the cache.
        /// Returns <c>null</c> if the corresponding item does not exist.
        /// </summary>
        /// <param name="identity">The identity for retrieving the cache.</param>
        /// <returns>The <see cref="CommandCacheItem"/> or <c>null</c>.</returns>
        public static CommandCacheItem Get(CommandIdentity identity)
        {
            try
            {
                Lock.EnterReadLock();
                CommandCacheItem cache;

                // we suppose in more situations G1 is enough for use,
                // so search from G1 before G2 will be more quickly
                if (!Generation1.TryGetValue(identity, out cache))
                {
                    if (!_generation2Enabled)
                    {
                        return(null);
                    }

                    if (!_generation2.TryGetValue(identity, out cache))
                    {
                        return(null);
                    }
                }

                Interlocked.Increment(ref cache.Reused);
                return(cache);
            }
            finally
            {
                Lock.ExitReadLock();
            }
        }
Exemplo n.º 2
0
        /// <summary>
        /// Sets the <see cref="CommandCacheItem"/> in the cache.
        /// </summary>
        /// <param name="identity">The identity for retrieving the cache.</param>
        /// <param name="cacheItem">The <see cref="CommandCacheItem"/> to set.</param>
        public static void Set(CommandIdentity identity, CommandCacheItem cacheItem)
        {
            try
            {
                Lock.EnterWriteLock();

                if (Generation1.Count >= Generation1Threshold)
                {
                    CollectGeneration1();
                }

                Generation1[identity] = cacheItem;
            }
            finally
            {
                Lock.ExitWriteLock();
            }
        }