66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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//
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// @author raver119@gmail.com
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//
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#ifndef LIBND4J_SESSIONLOCALSTORAGE_H
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#define LIBND4J_SESSIONLOCALSTORAGE_H
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#include <thread>
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#include <unordered_map>
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#include <map>
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#include "VariableSpace.h"
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#include "Context.h"
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#include "Stash.h"
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#include <memory/Workspace.h>
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namespace sd{
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namespace graph {
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class ND4J_EXPORT SessionLocalStorage {
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protected:
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std::atomic<Nd4jLong> _sessionCounter;
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MAP_IMPL<Nd4jLong, Nd4jLong> _threadSession;
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MAP_IMPL<Nd4jLong, VariableSpace*> _threadVariableSpace;
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VariableSpace* _variableSpace;
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Stash* _stash;
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std::mutex _mutex;
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Nd4jLong getSessionId();
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Nd4jLong getThreadId();
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public:
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SessionLocalStorage(VariableSpace* variableSpace = nullptr, Stash* stash = nullptr);
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~SessionLocalStorage();
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VariableSpace* localVariableSpace();
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VariableSpace* localVariableSpace(Nd4jLong sessionId);
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Nd4jLong startSession();
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void endSession(Nd4jLong sessionId);
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void endSession();
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int numberOfSessions();
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};
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}
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}
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#endif //LIBND4J_SESSIONLOCALSTORAGE_H
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