public _CacheLoader_175(ValueQueue.QueueRefiller <E> refiller, float lowWatermark,
int numValues)
{
this.refiller = refiller;
this.lowWatermark = lowWatermark;
this.numValues = numValues;
}
/// <summary>Constructor takes the following tunable configuration parameters</summary>
/// <param name="numValues">
/// The number of values cached in the Queue for a
/// particular key.
/// </param>
/// <param name="lowWatermark">
/// The ratio of (number of current entries/numValues)
/// below which the <code>fillQueueForKey()</code> funciton will be
/// invoked to fill the Queue.
/// </param>
/// <param name="expiry">
/// Expiry time after which the Key and associated Queue are
/// evicted from the cache.
/// </param>
/// <param name="numFillerThreads">Number of threads to use for the filler thread</param>
/// <param name="policy">
/// The SyncGenerationPolicy to use when client
/// calls "getAtMost"
/// </param>
/// <param name="refiller">implementation of the QueueRefiller</param>
public ValueQueue(int numValues, float lowWatermark, long expiry, int numFillerThreads
, ValueQueue.SyncGenerationPolicy policy, ValueQueue.QueueRefiller <E> refiller)
{
// Return atleast 1 value
// Return min(n, lowWatermark * numValues) values
// Return n values
Preconditions.CheckArgument(numValues > 0, "\"numValues\" must be > 0");
Preconditions.CheckArgument(((lowWatermark > 0) && (lowWatermark <= 1)), "\"lowWatermark\" must be > 0 and <= 1"
);
Preconditions.CheckArgument(expiry > 0, "\"expiry\" must be > 0");
Preconditions.CheckArgument(numFillerThreads > 0, "\"numFillerThreads\" must be > 0"
);
Preconditions.CheckNotNull(policy, "\"policy\" must not be null");
this.refiller = refiller;
this.policy = policy;
this.numValues = numValues;
this.lowWatermark = lowWatermark;
keyQueues = CacheBuilder.NewBuilder().ExpireAfterAccess(expiry, TimeUnit.Milliseconds
).Build(new _CacheLoader_175(refiller, lowWatermark, numValues));
executor = new ThreadPoolExecutor(numFillerThreads, numFillerThreads, 0L, TimeUnit
.Milliseconds, queue, new ThreadFactoryBuilder().SetDaemon(true).SetNameFormat(RefillThread
).Build());
}
public ValueQueue(int numValues, float lowWaterMark, long expiry, int numFillerThreads
, ValueQueue.QueueRefiller <E> fetcher)
: this(numValues, lowWaterMark, expiry, numFillerThreads, ValueQueue.SyncGenerationPolicy
.All, fetcher)
{
}
