cavis/libnd4j/include/graph/SessionLocalStorage.h

68 lines
2.0 KiB
C++

/* ******************************************************************************
*
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://www.apache.org/licenses/LICENSE-2.0.
*
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
//
// @author raver119@gmail.com
//
#ifndef LIBND4J_SESSIONLOCALSTORAGE_H
#define LIBND4J_SESSIONLOCALSTORAGE_H
#include <thread>
#include <unordered_map>
#include <map>
#include "VariableSpace.h"
#include "Context.h"
#include "Stash.h"
#include <memory/Workspace.h>
namespace sd{
namespace graph {
class ND4J_EXPORT SessionLocalStorage {
protected:
std::atomic<Nd4jLong> _sessionCounter;
MAP_IMPL<Nd4jLong, Nd4jLong> _threadSession;
MAP_IMPL<Nd4jLong, VariableSpace*> _threadVariableSpace;
VariableSpace* _variableSpace;
Stash* _stash;
std::mutex _mutex;
Nd4jLong getSessionId();
Nd4jLong getThreadId();
public:
SessionLocalStorage(VariableSpace* variableSpace = nullptr, Stash* stash = nullptr);
~SessionLocalStorage();
VariableSpace* localVariableSpace();
VariableSpace* localVariableSpace(Nd4jLong sessionId);
Nd4jLong startSession();
void endSession(Nd4jLong sessionId);
void endSession();
int numberOfSessions();
};
}
}
#endif //LIBND4J_SESSIONLOCALSTORAGE_H