/// <summary>
/// Removes an object from the cache with the matching cache key
/// </summary>
/// <param name="key"></param>
public static void RemoveFromCache(CacheKey key, string paramString = "")
{
if (ConfigHelper.GetAppSettingBool(ConfigKey.TwitterCacheEnabled, false))
{
HttpRuntime.Cache.Remove(key.ToString() + paramString);
}
}
/// <summary>
/// Returns an object from the cache with the matching cache key
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static object GetFromCache(CacheKey key, string paramString = "")
{
if (ConfigHelper.GetAppSettingBool(ConfigKey.TwitterCacheEnabled, false))
return HttpRuntime.Cache.Get(key.ToString() + paramString);
else
return null;
}
/// <summary>
/// Adds the supplied object to the cache
/// </summary>
/// <param name="key">The key enum to add the data under</param>
/// <param name="cacheData">The data to add to the cache</param>
/// <param name="cacheLength">The timeout in minutes for the cached data</param>
public static void AddToCache(object cacheData, int cacheLength, CacheKey key, string paramString = "")
{
if (ConfigHelper.GetAppSettingBool(ConfigKey.TwitterCacheEnabled, false))
{
DateTime cacheTimeout = DateTime.Now.AddMinutes(cacheLength);
HttpRuntime.Cache.Add(key.ToString() + paramString, cacheData, null, cacheTimeout, System.Web.Caching.Cache.NoSlidingExpiration, CacheItemPriority.Normal, null);
}
}
internal abstract CacheEntry UpdateCache(
CacheKey cacheKey,
CacheEntry newEntry,
bool replace,
CacheItemRemovedReason removedReason,
out object valueOld);
/// <devdoc>
/// <para>Removes the specified item from the cache. </para>
/// </devdoc>
public object Remove(string key) {
CacheKey cacheKey = new CacheKey(key, true);
return _cacheInternal.DoRemove(cacheKey, CacheItemRemovedReason.Removed);
}
/*
* Performs all operations on the cache, with the
* exception of Clear. The arguments indicate the type of operation:
*
* @param key The key of the object.
* @param newItem The new entry to be added to the cache.
* @param replace Whether or not newEntry should replace an existing object in the cache.
* @return The item requested. May be null.
*/
internal override CacheEntry UpdateCache(
CacheKey cacheKey,
CacheEntry newEntry,
bool replace,
CacheItemRemovedReason removedReason,
out object valueOld)
{
CacheEntry entry = null;
CacheEntry oldEntry = null;
bool expired = false;
DateTime utcNow;
CacheDependency newEntryDependency = null;
bool isGet, isAdd;
bool removeExpired = false;
bool updateExpires = false;
DateTime utcNewExpires = DateTime.MinValue;
CacheEntry.EntryState entryState = CacheEntry.EntryState.NotInCache;
bool newEntryNeedsClose = false;
CacheItemRemovedReason newEntryRemovedReason = CacheItemRemovedReason.Removed;
valueOld = null;
isGet = !replace && newEntry == null;
isAdd = !replace && newEntry != null;
/*
* Perform update of cache data structures in a series to
* avoid overlapping locks.
*
* First, update the hashtable. The hashtable is the place
* that guarantees what is in or out of the cache.
*
* Loop here to remove expired items in a Get or Add, where
* we can't otherwise delete an item.
*/
for (;;) {
if (removeExpired) {
Debug.Trace("CacheUpdate", "Removing expired item found in Get: " + cacheKey);
UpdateCache(cacheKey, null, true, CacheItemRemovedReason.Expired, out valueOld);
removeExpired = false;
}
entry = null;
utcNow = DateTime.UtcNow;
if (_useInsertBlock && newEntry != null && newEntry.HasUsage() /* HasUsage() means it's not NonRemovable */) {
bool insertBlockReleased = WaitInsertBlock();
#if DBG
if (!insertBlockReleased) {
Debug.Trace("CacheUpdateWaitFailed", "WaitInsertBlock failed.");
}
#endif
}
// the _entries hashtable supports multiple readers or one writer
bool isLockEntered = false;
if (!isGet) {
Monitor.Enter(_lock, ref isLockEntered);
}
try {
entry = (CacheEntry) _entries[cacheKey];
Debug.Trace("CacheUpdate", "Entry " + ((entry != null) ? "found" : "not found") + "in hashtable: " + cacheKey);
if (entry != null) {
entryState = entry.State;
// If isGet == true, we are not hold any lock and so entryState can be anything
Debug.Assert(
isGet ||
entryState == CacheEntry.EntryState.AddingToCache ||
entryState == CacheEntry.EntryState.AddedToCache,
"entryState == CacheEntry.EntryState.AddingToCache || entryState == CacheEntry.EntryState.AddedToCache");
expired = (_cacheCommon._enableExpiration) && (entry.UtcExpires < utcNow);
if (expired) {
if (isGet) {
/*
* If the expired item is Added to the cache, remove it now before
* its expiration timer fires up to a minute in the future.
* Otherwise, just return null to indicate the item is not available.
*/
if (entryState == CacheEntry.EntryState.AddedToCache) {
removeExpired = true;
continue;
}
entry = null;
}
else {
/*
* If it's a call to Add, replace the item
* when it has expired.
*/
replace = true;
/*
* Change the removed reason.
*/
removedReason = CacheItemRemovedReason.Expired;
}
}
else {
updateExpires = (_cacheCommon._enableExpiration) && (entry.SlidingExpiration > TimeSpan.Zero);
}
}
/*
* Avoid running unnecessary code in a Get request by this simple test:
*/
if (!isGet) {
/*
* Remove an item from the hashtable.
*/
if (replace && entry != null) {
bool doRemove = (entryState != CacheEntry.EntryState.AddingToCache);
if (doRemove) {
oldEntry = entry;
oldEntry.State = CacheEntry.EntryState.RemovingFromCache;
_entries.Remove(oldEntry);
Debug.Trace("CacheUpdate", "Entry removed from hashtable: " + cacheKey);
}
else {
/*
* If we're removing and couldn't remove the old item
* because its state was AddingToCache, return null
* to indicate failure.
*/
if (newEntry == null) {
Debug.Trace("CacheUpdate", "Removal from hashtable failed: " + cacheKey);
entry = null;
}
}
}
/*
* Add an item to the hashtable.
*/
if (newEntry != null) {
bool doAdd = true;
if (entry != null) {
if (oldEntry == null) {
/*
* We could not remove the existing entry,
* either because it simply exists and replace == false,
* or replace == true and it's state was AddingToCache when
* we tried to remove it.
*/
doAdd = false;
newEntryRemovedReason = CacheItemRemovedReason.Removed;
}
#if DBG
if (!doAdd) {
Debug.Trace("CacheUpdate", "Insertion into hashtable failed because old entry was not removed: " + cacheKey);
}
#endif
}
if (doAdd) {
/* non-definitive check */
newEntryDependency = newEntry.Dependency;
if (newEntryDependency != null) {
if (newEntryDependency.HasChanged) {
doAdd = false;
newEntryRemovedReason = CacheItemRemovedReason.DependencyChanged;
}
#if DBG
if (!doAdd) {
Debug.Trace("CacheUpdate", "Insertion into hashtable failed because dependency changed: " + cacheKey);
}
#endif
}
}
if (doAdd) {
newEntry.State = CacheEntry.EntryState.AddingToCache;
_entries.Add(newEntry, newEntry);
/*
* If this is an Add operation, indicate success
* by returning null.
*/
if (isAdd) {
Debug.Assert(entry == null || expired, "entry == null || expired");
entry = null;
}
else {
/*
* Indicate success by returning the inserted entry.
*/
entry = newEntry;
}
Debug.Trace("CacheUpdate", "Entry added to hashtable: " + cacheKey);
}
else {
if (!isAdd) {
/*
* If we failed for an Insert, indicate failure by returning null.
*/
entry = null;
newEntryNeedsClose = true;
}
else {
/*
* If we failed for an Add (e.g. Dependency has changed),
* return the existing value. If existing value is null,
* we have to close the newEntry ourselves. Otherwise, we'll
* return non-null and the caller should close the item.
*/
newEntryNeedsClose = (entry == null);
}
/*
* If newEntry cannot be inserted, and it does not need to be
* closed, set it to null so that we don't insert it later.
* Leave it non-null when it needs to be closed that that we
* can close it.
*/
if (!newEntryNeedsClose) {
newEntry = null;
}
}
}
}
break;
}
finally {
if (isLockEntered) {
Monitor.Exit(_lock);
}
}
}
/*
* Since we want Get to be fast, check here for a get without
* alteration to cache.
*/
if (isGet) {
if (entry != null) {
if (updateExpires) {
utcNewExpires = utcNow + entry.SlidingExpiration;
if (utcNewExpires - entry.UtcExpires >= CacheExpires.MIN_UPDATE_DELTA || utcNewExpires < entry.UtcExpires) {
_expires.UtcUpdate(entry, utcNewExpires);
}
}
UtcUpdateUsageRecursive(entry, utcNow);
}
if (cacheKey.IsPublic) {
PerfCounters.IncrementCounter(AppPerfCounter.API_CACHE_RATIO_BASE);
if (entry != null) {
PerfCounters.IncrementCounter(AppPerfCounter.API_CACHE_HITS);
}
else {
PerfCounters.IncrementCounter(AppPerfCounter.API_CACHE_MISSES);
}
}
PerfCounters.IncrementCounter(AppPerfCounter.TOTAL_CACHE_RATIO_BASE);
if (entry != null) {
PerfCounters.IncrementCounter(AppPerfCounter.TOTAL_CACHE_HITS);
}
else {
PerfCounters.IncrementCounter(AppPerfCounter.TOTAL_CACHE_MISSES);
}
#if DBG
if (entry != null) {
Debug.Trace("CacheUpdate", "Cache hit: " + cacheKey);
}
else {
Debug.Trace("CacheUpdate", "Cache miss: " + cacheKey);
}
#endif
}
else {
int totalDelta = 0;
int publicDelta = 0;
int totalTurnover = 0;
int publicTurnover = 0;
if (oldEntry != null) {
if (oldEntry.InExpires()) {
_expires.Remove(oldEntry);
}
if (oldEntry.InUsage()) {
_usage.Remove(oldEntry);
}
Debug.Assert(oldEntry.State == CacheEntry.EntryState.RemovingFromCache, "oldEntry.State == CacheEntry.EntryState.RemovingFromCache");
oldEntry.State = CacheEntry.EntryState.RemovedFromCache;
valueOld = oldEntry.Value;
totalDelta--;
totalTurnover++;
if (oldEntry.IsPublic) {
publicDelta--;
publicTurnover++;
}
#if DBG
Debug.Trace("CacheUpdate", "Entry removed from cache, reason=" + removedReason + ": " + (CacheKey) oldEntry);
#endif
}
if (newEntry != null) {
if (newEntryNeedsClose) {
// Call close if newEntry could not be added.
newEntry.State = CacheEntry.EntryState.RemovedFromCache;
newEntry.Close(newEntryRemovedReason);
newEntry = null;
}
else {
Debug.Assert(!newEntry.InExpires());
Debug.Assert(!newEntry.InUsage());
if (_cacheCommon._enableExpiration && newEntry.HasExpiration()) {
_expires.Add(newEntry);
}
if ( _cacheCommon._enableMemoryCollection && newEntry.HasUsage() &&
( // Don't bother to set usage if it's going to expire very soon
!newEntry.HasExpiration() ||
newEntry.SlidingExpiration > TimeSpan.Zero ||
newEntry.UtcExpires - utcNow >= CacheUsage.MIN_LIFETIME_FOR_USAGE)) {
_usage.Add(newEntry);
}
newEntry.State = CacheEntry.EntryState.AddedToCache;
Debug.Trace("CacheUpdate", "Entry added to cache: " + (CacheKey)newEntry);
totalDelta++;
totalTurnover++;
if (newEntry.IsPublic) {
publicDelta++;
publicTurnover++;
}
}
}
// Call close after the newEntry has been fully added to the cache,
// so the OnRemoveCallback can take a dependency on the newly inserted item.
if (oldEntry != null) {
oldEntry.Close(removedReason);
}
// Delay monitoring change events until the oldEntry has been completely removed
// from the cache, and its OnRemoveCallback called. This way we won't call the
// OnRemoveCallback for newEntry before doing so for oldEntry.
if (newEntry != null) {
// listen to change events
newEntry.MonitorDependencyChanges();
/*
* NB: We have to check for dependency changes after we add the item
* to cache, because otherwise we may not remove it if it changes
* between the time we check for a dependency change and the time
* we set the AddedToCache bit. The worst that will happen is that
* a get can occur on an item that has changed, but that can happen
* anyway. The important thing is that we always remove an item that
* has changed.
*/
if (newEntryDependency != null && newEntryDependency.HasChanged) {
Remove(newEntry, CacheItemRemovedReason.DependencyChanged);
}
}
// update counts and counters
if (totalDelta == 1) {
Interlocked.Increment(ref _totalCount);
PerfCounters.IncrementCounter(AppPerfCounter.TOTAL_CACHE_ENTRIES);
}
else if (totalDelta == -1) {
Interlocked.Decrement(ref _totalCount);
PerfCounters.DecrementCounter(AppPerfCounter.TOTAL_CACHE_ENTRIES);
}
if (publicDelta == 1) {
Interlocked.Increment(ref _publicCount);
PerfCounters.IncrementCounter(AppPerfCounter.API_CACHE_ENTRIES);
}
else if (publicDelta == -1) {
Interlocked.Decrement(ref _publicCount);
PerfCounters.DecrementCounter(AppPerfCounter.API_CACHE_ENTRIES);
}
if (totalTurnover > 0) {
PerfCounters.IncrementCounterEx(AppPerfCounter.TOTAL_CACHE_TURNOVER_RATE, totalTurnover);
}
if (publicTurnover > 0) {
PerfCounters.IncrementCounterEx(AppPerfCounter.API_CACHE_TURNOVER_RATE, publicTurnover);
}
}
return entry;
}
/*
* Remove an item from the cache, with a specific reason.
* This is package access so only the cache can specify
* a reason other than REMOVED.
*
* @param key The key for the item.
* @exception ArgumentException
*/
internal object DoRemove(CacheKey cacheKey, CacheItemRemovedReason reason) {
object valueOld;
UpdateCache(cacheKey, null, true, reason, out valueOld);
#if DBG
if (valueOld != null) {
Debug.Trace("CacheAPIRemove", "Cache.Remove succeeded, reason=" + reason + ": " + cacheKey);
}
else {
Debug.Trace("CacheAPIRemove", "Cache.Remove failed, reason=" + reason + ": " + cacheKey);
}
#endif
return valueOld;
}
internal object Remove(CacheKey cacheKey, CacheItemRemovedReason reason) {
return DoRemove(cacheKey, reason);
}
internal object Remove(string key) {
CacheKey cacheKey = new CacheKey(key, false);
return DoRemove(cacheKey, CacheItemRemovedReason.Removed);
}
internal object DoRemove(CacheKey cacheKey, CacheItemRemovedReason reason)
{
object obj2;
this.UpdateCache(cacheKey, null, true, reason, out obj2);
return obj2;
}
public void SmartDelete(List<ThreadUsr.StatusEnum> threadStatusesToChange, Model.Entities.ObjectType? statusChangeObjectType, int? statusChangeObjectK)
{
string memcachedKey = new Caching.CacheKey(Caching.CacheKeyPrefix.UpdateThreadUsrJobStatus, "UsrK", this.K.ToString(), "StatusChangeObjectType", statusChangeObjectType.ToString(), "StatusChangeObjectK", statusChangeObjectK.ToString()).ToString();
SmartDeleteThreadUsrJob sdtuj = new SmartDeleteThreadUsrJob(this.K, threadStatusesToChange, statusChangeObjectType, statusChangeObjectK, memcachedKey);
sdtuj.ExecuteAsynchronously();
}
public void UpdateThreadUsrs(ThreadUsr.StatusEnum changeStatus, List<ThreadUsr.StatusEnum> threadStatusesToChange, Model.Entities.ObjectType? statusChangeObjectType, int? statusChangeObjectK)
{
string memcachedKey = new Caching.CacheKey(Caching.CacheKeyPrefix.UpdateThreadUsrJobStatus, "UsrK", this.K.ToString(), "StatusChangeObjectType", statusChangeObjectType.ToString(), "StatusChangeObjectK", statusChangeObjectK.ToString()).ToString();
UpdateThreadUsrJob utuj = new UpdateThreadUsrJob(this.K, changeStatus, threadStatusesToChange, statusChangeObjectType, statusChangeObjectK, memcachedKey);
utuj.ExecuteAsynchronously();
//Update uThreadUsr = new Update();
//uThreadUsr.Table = TablesEnum.ThreadUsr;
//uThreadUsr.Changes.Add(new Assign(ThreadUsr.Columns.Status, changeStatus));
//uThreadUsr.Changes.Add(new Assign(ThreadUsr.Columns.StatusChangeDateTime, Time.Now));
//uThreadUsr.Where = new Q(ThreadUsr.Columns.UsrK, this.K);
//if (threadStatusesToChange != null && threadStatusesToChange.Count > 0)
//{
// Or statusOr = new Or();
// foreach (ThreadUsr.StatusEnum statusEnum in threadStatusesToChange)
// {
// statusOr = new Or(statusOr,
// new Q(ThreadUsr.Columns.Status, statusEnum));
// }
// uThreadUsr.Where = new And(uThreadUsr.Where,
// statusOr);
//}
//else
// throw new Exception("Usr.UpdateThreadUsrs(): Invalid list of ThreadUsr.StatusEnum to change.");
//if (statusChangeObjectType != null)
//{
// if (statusChangeObjectType.Value == Model.Entities.ObjectType.Usr)
// {
// // do nothing here
// }
// else
// {
// uThreadUsr.Where = new And(uThreadUsr.Where,
// new Q(ThreadUsr.Columns.StatusChangeObjectType, statusChangeObjectType.Value));
// }
// if (statusChangeObjectK != null)
// {
// if (statusChangeObjectType.Value == Model.Entities.ObjectType.Usr)
// {
// uThreadUsr.Where = new And(uThreadUsr.Where,
// new Q(ThreadUsr.Columns.InvitingUsrK, statusChangeObjectK.Value));
// }
// else
// {
// uThreadUsr.Where = new And(uThreadUsr.Where,
// new Q(ThreadUsr.Columns.StatusChangeObjectK, statusChangeObjectK.Value));
// }
// }
//}
//uThreadUsr.CommandTimeout = 90;
//uThreadUsr.Run();
}
internal override CacheEntry UpdateCache(CacheKey cacheKey,
CacheEntry newEntry,
bool replace,
CacheItemRemovedReason removedReason,
out object valueOld) {
valueOld = null;
CacheEntry entry = null;
string key = cacheKey.Key;
bool isPublic = cacheKey.IsPublic;
if (_disposed) {
return null;
}
MemoryCache cache = (isPublic) ? _cachePublic : _cacheInternal;
if (newEntry == null && !replace) {
// get
object o = cache.Get(key);
if (o != null) {
entry = new CacheEntry(key, o, null, null,
Cache.NoAbsoluteExpiration, Cache.NoSlidingExpiration,
CacheItemPriority.Default, isPublic);
entry.State = CacheEntry.EntryState.AddedToCache;
}
}
else if (newEntry != null && replace) {
// set
try {
}
finally {
// prevent ThreadAbortEx from interrupting these calls
CacheItemPolicy policy = GetPolicy(newEntry);
cache.Set(key, newEntry.Value, policy);
}
}
else if (newEntry != null && !replace) {
// add
try {
}
finally {
// prevent ThreadAbortEx from interrupting these calls
CacheItemPolicy policy = GetPolicy(newEntry);
Object o = cache.AddOrGetExisting(key, newEntry.Value, policy);
if (o != null) {
entry = new CacheEntry(key, o, null, null,
Cache.NoAbsoluteExpiration, Cache.NoSlidingExpiration,
CacheItemPriority.Default, isPublic);
entry.State = CacheEntry.EntryState.AddedToCache;
}
}
}
else {
// remove
valueOld = cache.Remove(key);
}
return entry;
}
internal object DoGet(bool isPublic, string key, CacheGetOptions getOptions) {
CacheEntry entry;
CacheKey cacheKey;
object dummy;
cacheKey = new CacheKey(key, isPublic);
entry = UpdateCache(cacheKey, null, false, CacheItemRemovedReason.Removed, out dummy);
if (entry != null) {
if ((getOptions & CacheGetOptions.ReturnCacheEntry) != 0) {
return entry;
}
else {
return entry.Value;
}
}
else {
return null;
}
}
internal object DoGet(bool isPublic, string key, CacheGetOptions getOptions)
{
object obj2;
CacheKey cacheKey = new CacheKey(key, isPublic);
CacheEntry entry = this.UpdateCache(cacheKey, null, false, CacheItemRemovedReason.Removed, out obj2);
if (entry == null)
{
return null;
}
if ((getOptions & CacheGetOptions.ReturnCacheEntry) != CacheGetOptions.None)
{
return entry;
}
return entry.Value;
}
internal override CacheEntry UpdateCache(CacheKey cacheKey, CacheEntry newEntry, bool replace, CacheItemRemovedReason removedReason, out object valueOld)
{
int hashCode = cacheKey.Key.GetHashCode();
return this.GetCacheSingle(hashCode).UpdateCache(cacheKey, newEntry, replace, removedReason, out valueOld);
}
internal override CacheEntry UpdateCache(CacheKey cacheKey, CacheEntry newEntry, bool replace, CacheItemRemovedReason removedReason, out object valueOld)
{
CacheEntry cacheEntry = null;
CacheEntry key = null;
CacheDependency dependency = null;
bool flag4 = false;
bool flag5 = false;
DateTime minValue = DateTime.MinValue;
CacheEntry.EntryState notInCache = CacheEntry.EntryState.NotInCache;
bool flag6 = false;
CacheItemRemovedReason removed = CacheItemRemovedReason.Removed;
valueOld = null;
bool flag2 = !replace && (newEntry == null);
bool flag3 = !replace && (newEntry != null);
Label_003E:
if (flag4)
{
this.UpdateCache(cacheKey, null, true, CacheItemRemovedReason.Expired, out valueOld);
flag4 = false;
}
cacheEntry = null;
DateTime utcNow = DateTime.UtcNow;
if ((this._useInsertBlock && (newEntry != null)) && newEntry.HasUsage())
{
this.WaitInsertBlock();
}
bool lockTaken = false;
if (!flag2)
{
Monitor.Enter(this._lock, ref lockTaken);
}
try
{
cacheEntry = (CacheEntry) this._entries[cacheKey];
if (cacheEntry != null)
{
notInCache = cacheEntry.State;
if (base._cacheCommon._enableExpiration && (cacheEntry.UtcExpires < utcNow))
{
if (flag2)
{
if (notInCache == CacheEntry.EntryState.AddedToCache)
{
flag4 = true;
goto Label_003E;
}
cacheEntry = null;
}
else
{
replace = true;
removedReason = CacheItemRemovedReason.Expired;
}
}
else
{
flag5 = base._cacheCommon._enableExpiration && (cacheEntry.SlidingExpiration > TimeSpan.Zero);
}
}
if (!flag2)
{
if (replace && (cacheEntry != null))
{
if (notInCache != CacheEntry.EntryState.AddingToCache)
{
key = cacheEntry;
key.State = CacheEntry.EntryState.RemovingFromCache;
this._entries.Remove(key);
}
else if (newEntry == null)
{
cacheEntry = null;
}
}
if (newEntry != null)
{
bool flag9 = true;
if ((cacheEntry != null) && (key == null))
{
flag9 = false;
removed = CacheItemRemovedReason.Removed;
}
if (flag9)
{
dependency = newEntry.Dependency;
if ((dependency != null) && dependency.HasChanged)
{
flag9 = false;
removed = CacheItemRemovedReason.DependencyChanged;
}
}
if (flag9)
{
newEntry.State = CacheEntry.EntryState.AddingToCache;
this._entries.Add(newEntry, newEntry);
if (flag3)
{
cacheEntry = null;
}
else
{
cacheEntry = newEntry;
}
}
else
{
if (!flag3)
{
cacheEntry = null;
flag6 = true;
}
else
{
flag6 = cacheEntry == null;
}
if (!flag6)
{
newEntry = null;
}
}
}
}
}
finally
{
if (lockTaken)
{
Monitor.Exit(this._lock);
}
}
if (flag2)
{
if (cacheEntry != null)
{
if (flag5)
{
minValue = utcNow + cacheEntry.SlidingExpiration;
if (((minValue - cacheEntry.UtcExpires) >= CacheExpires.MIN_UPDATE_DELTA) || (minValue < cacheEntry.UtcExpires))
{
this._expires.UtcUpdate(cacheEntry, minValue);
}
}
this.UtcUpdateUsageRecursive(cacheEntry, utcNow);
}
if (cacheKey.IsPublic)
{
PerfCounters.IncrementCounter(AppPerfCounter.API_CACHE_RATIO_BASE);
if (cacheEntry != null)
{
PerfCounters.IncrementCounter(AppPerfCounter.API_CACHE_HITS);
}
else
{
PerfCounters.IncrementCounter(AppPerfCounter.API_CACHE_MISSES);
}
}
PerfCounters.IncrementCounter(AppPerfCounter.TOTAL_CACHE_RATIO_BASE);
if (cacheEntry != null)
{
PerfCounters.IncrementCounter(AppPerfCounter.TOTAL_CACHE_HITS);
return cacheEntry;
}
PerfCounters.IncrementCounter(AppPerfCounter.TOTAL_CACHE_MISSES);
return cacheEntry;
}
int num = 0;
int num2 = 0;
int delta = 0;
int num4 = 0;
if (key != null)
{
if (key.InExpires())
{
this._expires.Remove(key);
}
if (key.InUsage())
{
this._usage.Remove(key);
}
key.State = CacheEntry.EntryState.RemovedFromCache;
valueOld = key.Value;
num--;
delta++;
if (key.IsPublic)
{
num2--;
num4++;
}
}
if (newEntry != null)
{
if (flag6)
{
newEntry.State = CacheEntry.EntryState.RemovedFromCache;
newEntry.Close(removed);
newEntry = null;
}
else
{
if (base._cacheCommon._enableExpiration && newEntry.HasExpiration())
{
this._expires.Add(newEntry);
}
if ((base._cacheCommon._enableMemoryCollection && newEntry.HasUsage()) && ((!newEntry.HasExpiration() || (newEntry.SlidingExpiration > TimeSpan.Zero)) || ((newEntry.UtcExpires - utcNow) >= CacheUsage.MIN_LIFETIME_FOR_USAGE)))
{
this._usage.Add(newEntry);
}
newEntry.State = CacheEntry.EntryState.AddedToCache;
num++;
delta++;
if (newEntry.IsPublic)
{
num2++;
num4++;
}
}
}
if (key != null)
{
key.Close(removedReason);
}
if (newEntry != null)
{
newEntry.MonitorDependencyChanges();
if ((dependency != null) && dependency.HasChanged)
{
base.Remove(newEntry, CacheItemRemovedReason.DependencyChanged);
}
}
switch (num)
{
case 1:
Interlocked.Increment(ref this._totalCount);
PerfCounters.IncrementCounter(AppPerfCounter.TOTAL_CACHE_ENTRIES);
break;
case -1:
Interlocked.Decrement(ref this._totalCount);
PerfCounters.DecrementCounter(AppPerfCounter.TOTAL_CACHE_ENTRIES);
break;
}
switch (num2)
{
case 1:
Interlocked.Increment(ref this._publicCount);
PerfCounters.IncrementCounter(AppPerfCounter.API_CACHE_ENTRIES);
break;
case -1:
Interlocked.Decrement(ref this._publicCount);
PerfCounters.DecrementCounter(AppPerfCounter.API_CACHE_ENTRIES);
break;
}
if (delta > 0)
{
PerfCounters.IncrementCounterEx(AppPerfCounter.TOTAL_CACHE_TURNOVER_RATE, delta);
}
if (num4 > 0)
{
PerfCounters.IncrementCounterEx(AppPerfCounter.API_CACHE_TURNOVER_RATE, num4);
}
return cacheEntry;
}