public ScratchBufferFile(AbstractPager scratchPager, int scratchNumber)
{
_scratchPager = scratchPager;
_scratchNumber = scratchNumber;
_allocatedPagesCount = 0;
scratchPager.AllocatedInBytesFunc = () => AllocatedPagesCount * Constants.Storage.PageSize;
_strongRefToAllocateInBytesFunc = new StrongReference <Func <long> > {
Value = scratchPager.AllocatedInBytesFunc
};
MemoryInformation.DirtyMemoryObjects.TryAdd(_strongRefToAllocateInBytesFunc);
DebugInfo = new ScratchFileDebugInfo(this);
_disposeOnceRunner = new DisposeOnce <SingleAttempt>(() =>
{
_strongRefToAllocateInBytesFunc.Value = null; // remove ref (so if there's a left over refs in DirtyMemoryObjects but also function as _disposed = true for racy func invoke)
MemoryInformation.DirtyMemoryObjects.TryRemove(_strongRefToAllocateInBytesFunc);
_strongRefToAllocateInBytesFunc = null;
_scratchPager.PagerState.DiscardOnTxCopy = true;
_scratchPager.Dispose();
ClearDictionaries();
});
}
/// <summary>
/// Adds an item with the specified key and value into cached data.
/// Gets a cached object with the specified key.
/// </summary>
/// <value>The cached object or <c>null</c></value>
public object this[object key]
{
get
{
object value = null;
object reference = _cache[key];
if (reference != null)
{
if (reference is StrongReference)
{
value = ((StrongReference)reference).Target;
}
else if (reference is WeakReference)
{
value = ((WeakReference)reference).Target;
}
}
return(value);
}
set
{
object reference = null;
if (_cacheLevel.Equals(MemoryCacheLevel.Weak))
{
reference = new WeakReference(value);
}
else if (_cacheLevel.Equals(MemoryCacheLevel.Strong))
{
reference = new StrongReference(value);
}
_cache[key] = reference;
}
}
public object this[object key]
{
get
{
object target = null;
object obj3 = this._cache[key];
if (obj3 != null)
{
if (obj3 is StrongReference)
{
return(((StrongReference)obj3).Target);
}
if (obj3 is WeakReference)
{
target = ((WeakReference)obj3).Target;
}
}
return(target);
}
set
{
object obj2 = null;
if (this._cacheLevel.Equals(MemoryCacheLevel.Weak))
{
obj2 = new WeakReference(value);
}
else if (this._cacheLevel.Equals(MemoryCacheLevel.Strong))
{
obj2 = new StrongReference(value);
}
this._cache[key] = obj2;
}
}
public ContainerSubscription(BaseContainer container, StrongReference <IAsyncCompletable> wr)
{
_container = container;
Wr = wr;
if (wr.TryGetTarget(out var target))
{
#pragma warning disable 618
_sr = target;
#pragma warning restore 618
}
}
/// <summary>
/// Adds an item with the specified key and value into cached data.
/// Gets a cached object with the specified key.
/// </summary>
/// <value>The cached object or <c>null</c></value>
public object this[object key]
{
get
{
object value = null;
object reference = _cache[key];
if (reference != null)
{
if (reference is StrongReference)
{
value = ((StrongReference) reference).Target;
}
else if (reference is WeakReference)
{
value = ((WeakReference) reference).Target;
}
}
return value;
}
set
{
object reference = null;
if (_cacheLevel.Equals(MemoryCacheLevel.Weak))
{
reference = new WeakReference(value);
}
else if (_cacheLevel.Equals(MemoryCacheLevel.Strong))
{
reference = new StrongReference(value);
}
_cache[key] = reference;
}
}
