/// <summary>
/// Deserializa os dados na instancia.
/// </summary>
/// <param name="reader"></param>
public void Deserialize(CompactReader reader)
{
lock (this)
{
this.Value = reader.ReadObject();
_flags = new BitSet(reader.ReadByte());
_evictionHint = EvictionHint.ReadEvcHint(reader);
_expirationHint = ExpirationHint.ReadExpHint(reader);
_grpInfo = GroupInfo.ReadGrpInfo(reader);
_syncDependency = reader.ReadObject() as Colosoft.Caching.Synchronization.CacheSyncDependency;
_queryInfo = (Hashtable)reader.ReadObject();
_keysDependingOnMe = (Hashtable)reader.ReadObject();
_size = reader.ReadInt32();
_lockId = reader.ReadObject();
_lockDate = reader.ReadDateTime();
_version = reader.ReadUInt64();
_lockExpiration = reader.ReadObject() as LockExpiration;
_creationTime = reader.ReadDateTime();
_lastModifiedTime = reader.ReadDateTime();
_resyncProviderName = reader.ReadObject() as string;
_priorityValue = (CacheItemPriority)reader.ReadInt32();
_lockManager = reader.ReadObject() as LockManager;
_providerName = reader.ReadObject() as string;
}
}
/// <summary>
/// Verifica se a entrada está bloqueada.
/// </summary>
/// <returns></returns>
public bool IsItemLocked()
{
lock (this)
{
return(((LockExpiration == null) || !LockExpiration.HasExpired()) && Flag.IsAnyBitSet(0x40));
}
}
public bool Lock(LockExpiration lockExpiration, ref object lockId, ref DateTime lockDate)
{
lock (this)
{
if (!this.IsLocked(ref lockId, ref lockDate))
{
this.Flag.SetBit(BitSetConstants.LockedItem);
this.LockId = lockId;
this.LockDate = lockDate;
this.LockExpiration = lockExpiration;
if (this.LockExpiration != null)
{
this.LockExpiration.Set();
}
return(true);
}
else
{
lockId = this.LockId;
lockDate = this.LockDate;
}
return(false);
}
}
/// <summary>
/// Realiza um lock no item associado com a chave informada.
/// </summary>
/// <param name="key">Chave do item do cache.</param>
/// <param name="lockExpiration">Informações sobre a expiração do lock.</param>
/// <param name="lockId">Identificador gerado para o lock.</param>
/// <param name="lockDate">Data do lock.</param>
/// <param name="operationContext">Contexto da operação.</param>
/// <returns>Informações sobre o lock.</returns>
public override LockOptions Lock(object key, LockExpiration lockExpiration, ref object lockId, ref DateTime lockDate, OperationContext operationContext)
{
base.Sync.AcquireWriterLock(-1);
try
{
return(this.Internal.Lock(key, lockExpiration, ref lockId, ref lockDate, operationContext));
}
finally
{
base.Sync.ReleaseWriterLock();
}
}
/// <summary>
/// Copia os dados do lock para a instancia.
/// </summary>
/// <param name="lockId">Identificador do lock.</param>
/// <param name="lockDate">Data do lock.</param>
/// <param name="lockExpiration">Data que o lock vai expirar.</param>
public void CopyLock(object lockId, DateTime lockDate, LockExpiration lockExpiration)
{
lock (this)
{
if (lockId != null)
{
Flag.SetBit(0x40);
}
else
{
Flag.UnsetBit(0x40);
}
LockId = lockId;
LockDate = lockDate;
LockExpiration = lockExpiration;
}
}
public void CopyLock(object lockId, DateTime lockDate, LockExpiration lockExpiration)
{
lock (this)
{
if (lockId != null)
{
this.Flag.SetBit(BitSetConstants.LockedItem);
}
else
{
this.Flag.UnsetBit(BitSetConstants.LockedItem);
}
this.LockId = lockId;
this.LockDate = lockDate;
this.LockExpiration = lockExpiration;
}
}
/// <summary>
/// Verifica se a instancia está com lock.
/// </summary>
/// <param name="lockId"></param>
/// <param name="lockDate"></param>
/// <returns></returns>
public bool IsLocked(ref object lockId, ref DateTime lockDate)
{
lock (this)
{
if (this.Flag.IsAnyBitSet(0x40))
{
if ((LockExpiration == null) || !LockExpiration.HasExpired())
{
lockId = this.LockId;
lockDate = this.LockDate;
return(true);
}
this.ReleaseLock();
return(false);
}
return(false);
}
}
protected bool Clustered_Lock(object key, LockExpiration lockExpiration, ref object lockId, ref DateTime lockDate, OperationContext operationContext)
{
try
{
if (ServerMonitor.MonitorActivity)
{
ServerMonitor.LogClientActivity("RepCacheBase.Lock", "enter");
}
Function func = new Function((int)OpCodes.LockKey, new object[] { key, lockId, lockDate, lockExpiration, operationContext }, false);
RspList results = Cluster.BroadcastToMultiple(Cluster.Servers,
func,
GroupRequest.GET_ALL);
try
{
ClusterHelper.ValidateResponses(results, typeof(LockOptions), Name);
}
catch (LockingException le)
{
//release the lock preemptively...
Clustered_UnLock(key, null, true, operationContext);
return(false);
}
return(ClusterHelper.FindAtomicLockStatusReplicated(results, ref lockId, ref lockDate));
}
catch (CacheException e)
{
throw;
}
catch (Exception e)
{
throw new GeneralFailureException(e.Message, e);
}
finally
{
if (ServerMonitor.MonitorActivity)
{
ServerMonitor.LogClientActivity("RepCacheBase.Lock", "exit");
}
}
}
public bool Lock(LockExpiration lockExpiration, ref object lockId, ref DateTime lockDate, OperationContext operationContext)
{
string clientId = operationContext.GetValueByField(OperationContextFieldName.ClientId) as string;
int clientThreadId = operationContext.GetValueByField(OperationContextFieldName.ClientThreadId) != null ? (int)operationContext.GetValueByField(OperationContextFieldName.ClientThreadId) : -1;
lock (this)
{
if (!this.IsLocked(ref lockId, ref lockDate))
{
this.Flag.SetBit(BitSetConstants.LockedItem);
this.LockId = lockId;
this.LockDate = lockDate;
this.LockExpiration = lockExpiration;
if (this.LockExpiration != null)
{
this.LockExpiration.Set();
}
if (!String.IsNullOrEmpty(clientId) && clientThreadId != -1)
{
this._lockClientId = clientId;
this._lockThreadId = clientThreadId;
object isRetryOperation = operationContext.GetValueByField(OperationContextFieldName.IsRetryOperation);
if (isRetryOperation != null && (Boolean)isRetryOperation)
{
if (!String.IsNullOrEmpty(clientId) && clientThreadId != -1 &&
clientId.Equals(this._lockClientId) && clientThreadId == this._lockThreadId)
{
return(true);
}
}
}
return(true);
}
else
{
lockId = this.LockId;
lockDate = this.LockDate;
}
return(false);
}
}
/// <summary>
/// Realiza um lock na instancia.
/// </summary>
/// <param name="lockExpiration">Dados sobre a expiração do lock.</param>
/// <param name="lockId">Identificador do lock gerado.</param>
/// <param name="lockDate">Data do lock gerado.</param>
/// <returns>True caso o lock tenha sido criado com sucesso.</returns>
public bool Lock(LockExpiration lockExpiration, ref object lockId, ref DateTime lockDate)
{
lock (this)
{
if (!IsLocked(ref lockId, ref lockDate))
{
Flag.SetBit(0x40);
LockId = lockId;
LockDate = lockDate;
LockExpiration = lockExpiration;
if (LockExpiration != null)
{
LockExpiration.Set();
}
return(true);
}
lockId = LockId;
lockDate = LockDate;
return(false);
}
}
public override CacheEntry GetGroup(object key, string group, string subGroup, ref ulong version, ref object lockId, ref DateTime lockDate, LockExpiration lockExpiration, LockAccessType accessType, OperationContext operationContext)
{
if (_grpIndexManager.KeyExists(key, group, subGroup))
{
return(this.Get(key, ref version, ref lockId, ref lockDate, lockExpiration, accessType, operationContext));
}
return(null);
}
public override CacheEntry GetGroup(object key, string group, string subGroup, ref ulong version, ref object lockId, ref DateTime lockDate, LockExpiration lockExpiration, LockAccessType accessType, OperationContext operationContext)
{
CacheEntry entry = null;
base.Sync.AcquireReaderLock(-1);
try
{
entry = this.Internal.GetGroup(key, group, subGroup, ref version, ref lockId, ref lockDate, lockExpiration, accessType, operationContext);
}
finally
{
base.Sync.ReleaseReaderLock();
}
return(entry);
}
public virtual CacheEntry GetGroup(object key, string group, string subGroup, ref ulong version, ref object lockId, ref DateTime lockDate, LockExpiration lockExpiration, LockAccessType accessType, OperationContext operationContext)
{
return(null);
}
internal override void UpdateLockInfo(object key, object lockId, DateTime lockDate, LockExpiration lockExpiration, OperationContext operationContext)
{
base.Sync.AcquireWriterLock(-1);
try
{
this.Internal.UpdateLockInfo(key, lockId, lockDate, lockExpiration, operationContext);
}
finally
{
base.Sync.ReleaseWriterLock();
}
}
public override CacheEntry Get(object key, bool IsUserOperation, ref ulong version, ref object lockId, ref DateTime lockDate, LockExpiration lockExpiration, LockAccessType accessType, OperationContext operationContext)
{
CacheEntry entry = null;
base.Sync.AcquireWriterLock(-1);
try
{
entry = this.Internal.Get(key, IsUserOperation, ref version, ref lockId, ref lockDate, lockExpiration, accessType, operationContext);
}
finally
{
base.Sync.ReleaseWriterLock();
}
return(entry);
}
public virtual CacheEntry Get(object key, bool isUserOperation, ref object lockId, ref DateTime lockDate, LockExpiration lockExpiration, LockAccessType accessType, OperationContext operationContext)
{
return(null);
}
internal virtual void UpdateLockInfo(object key, object lockId, DateTime lockDate, LockExpiration lockExpiration, OperationContext operationContext)
{
}
/// <summary>
/// Retrieve the object from the cache. A string key is passed as parameter.
/// </summary>
/// <param name="key">key of the entry.</param>
/// <param name="lockId"></param>
/// <param name="lockDate"></param>
/// <param name="lockExpiration"></param>
/// <param name="accessType"></param>
/// <param name="operationContext"></param>
/// <returns>cache entry.</returns>
public virtual CacheEntry Get(object key, ref object lockId, ref DateTime lockDate, LockExpiration lockExpiration, LockAccessType accessType, OperationContext operationContext)
{
lockId = null;
lockDate = DateTime.Now;
return(null);
}
public virtual LockOptions Lock(object key, LockExpiration lockExpiration, ref object lockId, ref DateTime lockDate, OperationContext operationContext)
{
lockId = null;
lockDate = DateTime.Now;
return(null);
}
public override CacheEntry GetGroup(object key, string group, string subGroup, ref ulong version, ref object lockId, ref DateTime lockDate, LockExpiration lockExpiration, LockAccessType accessType, OperationContext operationContext)
{
CacheEntry entry = this.Internal.GetGroup(key, group, subGroup, ref version, ref lockId, ref lockDate, lockExpiration, accessType, operationContext);
if ((entry != null) && base.KeepDeflattedValues)
{
entry.KeepDeflattedValue(base._context.SerializationContext);
}
return(entry);
}
/// <summary>
/// Retrieve the object from the cache. A string key is passed as parameter.
/// </summary>
/// <param name="key">key of the entry.</param>
/// <param name="lockId"></param>
/// <param name="lockDate"></param>
/// <param name="lockExpiration"></param>
/// <param name="accessType"></param>
/// <param name="operationContext"></param>
/// <returns>cache entry.</returns>
public override CacheEntry Get(object key, ref object lockId, ref DateTime lockDate, LockExpiration lockExpiration, LockAccessType accessType, OperationContext operationContext)
{
CacheEntry entry = Internal.Get(key, ref lockId, ref lockDate, lockExpiration, accessType, operationContext);
if (entry != null && KeepDeflattedValues)
{
entry.KeepDeflattedValue(_context.SerializationContext);
}
return(entry);
}
public override LockOptions Lock(object key, LockExpiration lockExpiration, ref object lockId, ref DateTime lockDate, OperationContext operationContext)
{
return(Internal.Lock(key, lockExpiration, ref lockId, ref lockDate, operationContext));
}