private void CreateSnapshotTaker(PrevalenceEngine engine, float snapshotPeriod)
{
TimeSpan period = TimeSpan.FromHours(snapshotPeriod);
ICleanUpPolicy policy = (ICleanUpPolicy)Kernel[PrevalenceFacility.CleanupPolicyComponentPropertyKey];
SnapshotTaker taker = new SnapshotTaker(engine, period, policy);
Kernel.AddComponentInstance(PrevalenceFacility.SnapShotTakerComponentPropertyKey, taker);
}
/// <summary>
/// Creates a new SnapshotTaker for the PrevalenceEngine engine
/// with a period between snapshots equals to period. Files
/// will be removed according to the specified cleanUpPolicy object.
/// </summary>
/// <param name="engine">prevalence engine to take snapshots from</param>
/// <param name="period">period between snapshots</param>
/// <param name="cleanUpPolicy">clean up policy</param>
public SnapshotTaker(PrevalenceEngine engine, TimeSpan period, ICleanUpPolicy cleanUpPolicy)
{
if (null == engine)
{
throw new ArgumentNullException("engine");
}
if (null == cleanUpPolicy)
{
throw new ArgumentNullException("cleanUpPolicy");
}
_cleanUpPolicy = cleanUpPolicy;
_timer = new Timer(new TimerCallback(OnTimer), engine, period, period);
}
/// <summary>
/// Creates a new SnapshotTaker for the PrevalenceEngine engine
/// with a period between snapshots equals to period. Files
/// will be removed according to the specified cleanUpPolicy object.
/// </summary>
/// <param name="engine">prevalence engine to take snapshots from</param>
/// <param name="period">period between snapshots</param>
/// <param name="cleanUpPolicy">clean up policy</param>
public SnapshotTaker(PrevalenceEngine engine, TimeSpan period, ICleanUpPolicy cleanUpPolicy)
{
if (null == engine)
{
throw new ArgumentNullException("engine");
}
if (null == cleanUpPolicy)
{
throw new ArgumentNullException("cleanUpPolicy");
}
_cleanUpPolicy = cleanUpPolicy;
_timer = new Timer(new TimerCallback(OnTimer), engine, period, period);
}
