mirror of https://gitee.com/bigwinds/arangodb
133 lines
4.4 KiB
C++
133 lines
4.4 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief single-server state
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2010-2012 triagens GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://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,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is triAGENS GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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/// @author Copyright 2013, triagens GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#include "ServerState.h"
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#include "Basics/ReadLocker.h"
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#include "Basics/WriteLocker.h"
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using namespace triagens::arango;
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// -----------------------------------------------------------------------------
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// --SECTION-- static variables
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @brief server state instance
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////////////////////////////////////////////////////////////////////////////////
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static ServerState* Instance = 0;
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// -----------------------------------------------------------------------------
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// --SECTION-- ServerState
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @brief constructor
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////////////////////////////////////////////////////////////////////////////////
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ServerState::ServerState ()
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: _lock(),
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_state(STATE_OFFLINE) {
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief destructor
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////////////////////////////////////////////////////////////////////////////////
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ServerState::~ServerState () {
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}
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// -----------------------------------------------------------------------------
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// --SECTION-- public static methods
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// -----------------------------------------------------------------------------
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ServerState* ServerState::instance () {
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if (Instance == 0) {
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Instance = new ServerState();
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}
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return Instance;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief get the string representation of a state
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////////////////////////////////////////////////////////////////////////////////
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std::string ServerState::stateToString (StateEnum state) {
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switch (state) {
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case STATE_OFFLINE:
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return "OFFLINE";
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case STATE_STARTUP:
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return "STARTUP";
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case STATE_CONNECTED:
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return "CONNECTED";
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case STATE_STOPPING:
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return "STOPPING";
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case STATE_STOPPED:
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return "STOPPED";
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case STATE_PROBLEM:
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return "PROBLEM";
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case STATE_RECOVERING:
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return "RECOVERING";
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case STATE_RECOVERED:
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return "RECOVERED";
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case STATE_SHUTDOWN:
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return "SHUTDOWN";
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}
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assert(false);
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return "";
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}
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// -----------------------------------------------------------------------------
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// --SECTION-- public methods
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @brief get the current state
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////////////////////////////////////////////////////////////////////////////////
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ServerState::StateEnum ServerState::getCurrent () {
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READ_LOCKER(_lock);
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return _state;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief set the current state
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////////////////////////////////////////////////////////////////////////////////
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void ServerState::setCurrent (StateEnum state) {
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WRITE_LOCKER(_lock);
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_state = state;
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}
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "^\\(/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|// --SECTION--\\|/// @\\}\\)"
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// End:
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