public bool TryAcquireWriteLock(TimeSpan timeout, out IWriteLockAcquisition writeLockAcquisition)
{
if (Owner.InternalLock.RecursionPolicy == LockRecursionPolicy.NoRecursion &&
(Owner.InternalLock.IsReadLockHeld || Owner.InternalLock.IsUpgradeableReadLockHeld || Owner.InternalLock.IsWriteLockHeld))
{
writeLockAcquisition = null;
return false;
}
if (Owner.InternalLock.RecursionPolicy == LockRecursionPolicy.SupportsRecursion &&
!(Owner.InternalLock.IsUpgradeableReadLockHeld || Owner.InternalLock.IsWriteLockHeld))
{
writeLockAcquisition = null;
return false;
}
var ok = Owner.InternalLock.TryEnterWriteLock(timeout);
writeLockAcquisition = new WriteLockAcquisition(Owner);
return true;
}
public bool TryAcquireWriteLock(TimeSpan timeout, out IWriteLockAcquisition writeLockAcquisition)
{
if (Owner.InternalLock.RecursionPolicy == LockRecursionPolicy.NoRecursion &&
(Owner.InternalLock.IsReadLockHeld || Owner.InternalLock.IsUpgradeableReadLockHeld || Owner.InternalLock.IsWriteLockHeld))
{
writeLockAcquisition = null;
return false;
}
if (Owner.InternalLock.RecursionPolicy == LockRecursionPolicy.SupportsRecursion &&
!(Owner.InternalLock.IsUpgradeableReadLockHeld || Owner.InternalLock.IsWriteLockHeld))
{
writeLockAcquisition = null;
return false;
}
var disposables = (IDisposable)null;
var ok = Owner.TryLockChildren(LockTypes.Write, timeout, out disposables);
if (ok)
{
ok = Owner.InternalLock.TryEnterWriteLock(timeout);
if (ok)
{
writeLockAcquisition = new WriteLockAcquisition(Owner, disposables);
return true;
}
else
{
disposables?.Dispose();
}
}
writeLockAcquisition = null;
return false;
}
public override bool TryAcquireWriteLock(TimeSpan timeout, out IWriteLockAcquisition writeableLockAcquisition)
{
var sw = Stopwatch.StartNew();
var r = base.TryAcquireWriteLock(timeout, out writeableLockAcquisition);
sw.Stop();
SUBJECT__Write.OnNext(sw.Elapsed.TotalMilliseconds);
return r;
}
public BulkUpdate(ISupportsBulkUpdate owner, IWriteLockAcquisition lockAcquisition)
{
this.Owner = owner;
LockAcquisition = lockAcquisition;
}
public bool TryUpgradeToWriteLock(TimeSpan timeout, out IWriteLockAcquisition writeLockAcquisition)
{
throw new NotImplementedException();
}
public bool TryAcquireWriteLock(TimeSpan timeout, out IWriteLockAcquisition writeableLockAcquisition)
{
if (InternalLock.RecursionPolicy == LockRecursionPolicy.NoRecursion &&
(InternalLock.IsReadLockHeld || InternalLock.IsUpgradeableReadLockHeld || InternalLock.IsWriteLockHeld))
{
writeableLockAcquisition = null;
return false;
}
if (InternalLock.RecursionPolicy == LockRecursionPolicy.SupportsRecursion &&
!(InternalLock.IsUpgradeableReadLockHeld || InternalLock.IsWriteLockHeld))
{
writeableLockAcquisition = null;
return false;
}
if (InternalLock.TryEnterWriteLock(timeout))
{
writeableLockAcquisition = new WriteLockAcquisition(owner: this);
return true;
}
else
{
writeableLockAcquisition = null;
return false;
}
}
