/// <summary>checks to see if cache is still valid and if LifespanMgr needs to do maintenance</summary>
public void CheckValidity()
{
// NOTE: Monitor.Enter(this) / Monitor.Exit(this) is the same as lock(this)... We are using Monitor.TryEnter() because it
// does not wait for a lock, if lock is currently held then skip and let next Touch perform cleanup.
if (RequiresCleanup && Monitor.TryEnter(syncObject))
{
try
{
if (RequiresCleanup)
{
// if cache is no longer valid throw contents away and start over, else cleanup old items
if ((CurrentBagIndex > 1000000) || ((ValidateCache != null) && !ValidateCache()))
{
owner.Clear();
}
else
{
CleanUp(getNow());
}
}
}
finally
{
Monitor.Exit(syncObject);
}
}
}
/// <summary>checks to see if cache is still valid and if LifespanMgr needs to do maintenance</summary>
public void CheckValidity()
{
DateTime now = getNow();
// Note: Monitor.Enter(this) / Monitor.Exit(this) is the same as lock(this)... We are using Monitor.TryEnter() because it
// does not wait for a lock, if lock is currently held then skip and let next Touch perform cleanup.
if (((itemsInCurrentBag > bagItemLimit) || (now > nextValidityCheck)) && Monitor.TryEnter(this))
{
try
{
if ((itemsInCurrentBag > bagItemLimit) || (now > nextValidityCheck))
{
// if cache is no longer valid throw contents away and start over, else cleanup old items
if ((currentBagIndex > 1000000) || ((ValidateCache != null) && !ValidateCache()))
{
owner.Clear();
}
else
{
CleanUp(now);
}
}
}
finally
{
Monitor.Exit(this);
}
}
}