/// <summary>
/// Removes the objects for the given keys from the cache.
/// The keys are specified as parameter.
/// </summary>
/// <param name="keys">array of keys to be removed</param>
/// <param name="flagMap"></param>
/// <param name="cbEntry"></param>
/// <param name="operationContext"></param>
/// <returns>keys that failed to be removed</returns>
public IDictionary Remove(object[] keys, BitSet flagMap, CallbackEntry cbEntry, OperationContext operationContext)
{
if (keys == null) throw new ArgumentNullException("keys");
// Cache has possibly expired so do default.
if (!IsRunning) return null;
try
{
HPTimeStats removeTime = new HPTimeStats();
removeTime.BeginSample();
IDictionary removed = CascadedRemove(keys, ItemRemoveReason.Removed, true, operationContext);
removeTime.EndSample();
CompressedValueEntry val = null;
if (removed != null)
{
object[] keysCollection = new object[removed.Count];
removed.Keys.CopyTo(keysCollection, 0);
IEnumerator ie = keysCollection.GetEnumerator();
while (ie.MoveNext())
{
CacheEntry entry = removed[ie.Current] as CacheEntry;
if (entry != null)
{
val = new CompressedValueEntry();
val.Value = entry.Value;
if (val.Value is CallbackEntry)
val.Value = ((CallbackEntry)val.Value).Value;
val.Flag = entry.Flag;
removed[ie.Current] = val;
}
}
}
return removed;
}
catch (Exception inner)
{
_context.NCacheLog.Error("Cache.Remove()", inner.ToString());
throw new OperationFailedException("Remove operation failed. Error : " + inner.Message, inner);
}
return null;
}
/// <summary>
/// Removes the objects for the given keys from the cache.
/// The keys are specified as parameter.
/// </summary>
/// <param name="keys">array of keys to be removed</param>
public void Delete(object[] keys, BitSet flagMap, CallbackEntry cbEntry, OperationContext operationContext)
{
if (keys == null) throw new ArgumentNullException("keys");
// Cache has possibly expired so do default.
if (!IsRunning) return;
try
{
HPTimeStats removeTime = new HPTimeStats();
removeTime.BeginSample();
IDictionary removed = CascadedRemove(keys, ItemRemoveReason.Removed, true, operationContext);
removeTime.EndSample();
}
catch (Exception inner)
{
_context.NCacheLog.Error("Cache.Delete()", inner.ToString());
throw new OperationFailedException("Delete operation failed. Error : " + inner.Message, inner);
}
}
public void Delete(string key, BitSet flag, CallbackEntry cbEntry, object lockId, LockAccessType accessType, OperationContext operationContext)
{
if (key == null) throw new ArgumentNullException("key");
if (!key.GetType().IsSerializable)
throw new ArgumentException("key is not serializable");
// Cache has possibly expired so do default.
if (!IsRunning) return;
try
{
HPTimeStats removeTime = new HPTimeStats();
removeTime.BeginSample();
_context.PerfStatsColl.MsecPerDelBeginSample();
object packedKey = key;
CacheEntry e = CascadedRemove(key, packedKey, ItemRemoveReason.Removed, true, lockId,accessType, operationContext);
_context.PerfStatsColl.MsecPerDelEndSample();
_context.PerfStatsColl.IncrementDelPerSecStats();
removeTime.EndSample();
}
catch (OperationFailedException ex)
{
if (ex.IsTracable) _context.NCacheLog.Error("Cache.Delete()", ex.ToString());
throw ex;
}
catch (Exception inner)
{
_context.NCacheLog.Error("Cache.Delete()", inner.ToString());
throw new OperationFailedException("Delete operation failed. Error : " + inner.Message, inner);
}
}
/// <summary>
/// Overload of Insert operation for bulk inserts. Uses EvictionHint and ExpirationHint arrays.
/// </summary>
public IDictionary Insert(object[] keys, object[] values, CallbackEntry[] callbackEnteries,
ExpirationHint[] expirations, EvictionHint[] evictions,
Hashtable[] queryInfos, BitSet[] flags,OperationContext operationContext)
{
if (ServerMonitor.MonitorActivity) ServerMonitor.LogClientActivity("Cache.InsertBlk", "");
if (keys == null) throw new ArgumentNullException("keys");
if (values == null) throw new ArgumentNullException("items");
if (keys.Length != values.Length) throw new ArgumentException("keys count is not equals to values count");
CacheEntry[] ce = new CacheEntry[values.Length];
long[] sizes = null;
object dataSize = operationContext.GetValueByField(OperationContextFieldName.ValueDataSize);
if (dataSize != null)
{
sizes = (long[])dataSize;
}
for (int i = 0; i < values.Length; i++)
{
if (keys[i] == null) throw new ArgumentNullException("key");
if (values[i] == null) throw new ArgumentNullException("value");
if (!keys[i].GetType().IsSerializable)
throw new ArgumentException("key is not serializable");
if (!values[i].GetType().IsSerializable)
throw new ArgumentException("value is not serializable");
if ((expirations[i] != null) && !expirations[i].GetType().IsSerializable)
throw new ArgumentException("expiryHint is not not serializable");
if ((evictions[i] != null) && !evictions[i].GetType().IsSerializable)
throw new ArgumentException("evictionHint is not serializable");
// Cache has possibly expired so do default.
if (!IsRunning) return null;
ce[i] = new CacheEntry(values[i], expirations[i], evictions[i]);
ce[i].QueryInfo = queryInfos[i];
ce[i].Flag.Data |= flags[i].Data;
if(sizes != null)
ce[i].DataSize = sizes[i];
if (callbackEnteries[i] != null)
{
CallbackEntry cloned = callbackEnteries[i].Clone() as CallbackEntry;
cloned.Value = values[i];
cloned.Flag = ce[i].Flag;
ce[i].Value = cloned;
}
}
/// update the counters for various statistics
try
{
HPTimeStats insertTime = new HPTimeStats();
insertTime.BeginSample();
IDictionary result = Insert(keys, ce, operationContext);
insertTime.EndSample();
return result;
}
catch (Exception inner)
{
throw;
}
}
/// <summary>
/// Internal Insert operation. Does a write thru as well.
/// </summary>
private void Insert(object key, CacheEntry e, object lockId, LockAccessType accessType, OperationContext operationContext)
{
HPTimeStats insertTime = new HPTimeStats();
insertTime.BeginSample();
object value = e.Value;
try
{
CacheInsResultWithEntry retVal = CascadedInsert(key, e, true, lockId, accessType, operationContext);
insertTime.EndSample();
switch (retVal.Result)
{
case CacheInsResult.Failure:
break;
case CacheInsResult.NeedsEviction:
case CacheInsResult.NeedsEvictionNotRemove:
throw new OperationFailedException("The cache is full and not enough items could be evicted.", false);
case CacheInsResult.SuccessOverwrite:
_context.PerfStatsColl.IncrementUpdPerSecStats();
break;
case CacheInsResult.Success:
_context.PerfStatsColl.IncrementAddPerSecStats();
break;
case CacheInsResult.ItemLocked:
throw new LockingException("Item is locked.");
}
}
catch (OperationFailedException inner)
{
if (inner.IsTracable) _context.NCacheLog.Error("Cache.Insert():", inner.ToString());
throw;
}
catch (Exception inner)
{
_context.NCacheLog.Error("Cache.Insert():", inner.ToString());
_context.NCacheLog.CriticalInfo("Cache.Insert():", inner.ToString());
throw new OperationFailedException("Insert operation failed. Error : " + inner.Message, inner);
}
}
/// <summary>
/// Overload of Add operation. uses additional paramer of Flag for checking if compressed or not
/// </summary>
public void Add(object key, object value,
ExpirationHint expiryHint, EvictionHint evictionHint,
Hashtable queryInfo, BitSet flag,
OperationContext operationContext)
{
if (key == null) throw new ArgumentNullException("key");
if (value == null) throw new ArgumentNullException("value");
if (!key.GetType().IsSerializable)
throw new ArgumentException("key is not serializable");
if (!value.GetType().IsSerializable)
throw new ArgumentException("value is not serializable");
if ((expiryHint != null) && !expiryHint.GetType().IsSerializable)
throw new ArgumentException("expiryHint is not serializable");
if ((evictionHint != null) && !evictionHint.GetType().IsSerializable)
throw new ArgumentException("evictionHint is not serializable");
// Cache has possibly expired so do default.
if (!IsRunning) return;
CacheEntry e = new CacheEntry(value, expiryHint, evictionHint);
////Object size for inproc
object dataSize = operationContext.GetValueByField(OperationContextFieldName.ValueDataSize);
if (dataSize != null)
e.DataSize = Convert.ToInt64(dataSize);
e.QueryInfo = queryInfo;
e.Flag.Data |= flag.Data;
try
{
HPTimeStats addTime = new HPTimeStats();
_context.PerfStatsColl.MsecPerAddBeginSample();
addTime.BeginSample();
Add(key, e, operationContext);
addTime.EndSample();
_context.PerfStatsColl.MsecPerAddEndSample();
}
catch (Exception inner)
{
throw;
}
}
public CompressedValueEntry Get(object key, BitSet flagMap,ref object lockId, ref DateTime lockDate, TimeSpan lockTimeout, LockAccessType accessType, OperationContext operationContext)
{
if (ServerMonitor.MonitorActivity) ServerMonitor.LogClientActivity("Cache.GetGrp", "");
// Cache has possibly expired so do default.
if (!IsRunning) return null;
CompressedValueEntry result = new CompressedValueEntry();
CacheEntry e = null;
try
{
_context.PerfStatsColl.MsecPerGetBeginSample();
_context.PerfStatsColl.IncrementGetPerSecStats();
_context.PerfStatsColl.IncrementHitsRatioPerSecBaseStats();
HPTimeStats getTime = new HPTimeStats();
getTime.BeginSample();
LockExpiration lockExpiration = null;
if (accessType == LockAccessType.ACQUIRE)
{
lockId = GetLockId(key);
lockDate = DateTime.UtcNow;
if (!TimeSpan.Equals(lockTimeout, TimeSpan.Zero))
{
lockExpiration = new LockExpiration(lockTimeout);
}
}
object generatedLockId = lockId;
e = _context.CacheImpl.Get(key, ref lockId, ref lockDate, lockExpiration, accessType, operationContext);
if (e == null && accessType == LockAccessType.ACQUIRE)
{
if (lockId == null || generatedLockId.Equals(lockId))
{
lockId = null;
lockDate = new DateTime();
}
}
if (flagMap != null)
{
if (e != null)
{
/// increment the counter for hits/sec
_context.PerfStatsColl.MsecPerGetEndSample();
result.Value = e.Value;
result.Flag = e.Flag;
}
}
_context.PerfStatsColl.MsecPerGetEndSample();
getTime.EndSample();
/// update the counter for hits/sec or misses/sec
if (result.Value != null)
{
_context.PerfStatsColl.IncrementHitsRatioPerSecStats();
_context.PerfStatsColl.IncrementHitsPerSecStats();
}
else
{
_context.PerfStatsColl.IncrementMissPerSecStats();
}
if (result.Value is CallbackEntry)
result.Value = ((CallbackEntry)result.Value).Value;
}
catch (OperationFailedException inner)
{
if (inner.IsTracable) _context.NCacheLog.Error("Cache.Get()", "Get operation failed. Error : " + inner.ToString());
throw;
}
catch (Exception inner)
{
_context.NCacheLog.Error("Cache.Get()", "Get operation failed. Error : " + inner.ToString());
throw new OperationFailedException("Get operation failed. Error :" + inner.Message, inner);
}
return result;
}
