wiredtiger_parameters.h

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#include "mongo/base/disallow_copying.h"
#include "mongo/db/server_parameters.h"
#include "mongo/db/storage/wiredtiger/wiredtiger_kv_engine.h"

namespace mongo {

class WiredTigerEngineRuntimeConfigParameter : public ServerParameter {
    MONGO_DISALLOW_COPYING(WiredTigerEngineRuntimeConfigParameter);

public:
    explicit WiredTigerEngineRuntimeConfigParameter(WiredTigerKVEngine* engine);

    virtual void append(OperationContext* opCtx, BSONObjBuilder& b, const std::string& name);
    virtual Status set(const BSONElement& newValueElement);

    virtual Status setFromString(const std::string& str);

private:
    WiredTigerKVEngine* _engine;
    // This parameter can only be modified at runtime via `setParameter`. This string always
    // starts out as the empty string.
    std::string _currentValue;
};
}