view OrthancStone/Sources/Oracle/OracleCommandBase.cpp @ 1623:74be0f498b08

Updated mechanism to avoid using deleted objects in RequestAnimationFrame callbacks.
author Benjamin Golinvaux <bgo@osimis.io>
date Wed, 04 Nov 2020 11:39:15 +0100
parents 8563ea5d8ae4
children 59f95b9ea858
line wrap: on
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/**
 * Stone of Orthanc
 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
 * Department, University Hospital of Liege, Belgium
 * Copyright (C) 2017-2020 Osimis S.A., Belgium
 *
 * This program is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program. If not, see
 * <http://www.gnu.org/licenses/>.
 **/


#include "OracleCommandBase.h"

#include <OrthancException.h>

namespace OrthancStone
{
  void OracleCommandBase::AcquirePayload(Orthanc::IDynamicObject* payload)
  {
    if (payload == NULL)
    {
      throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
    }
    else
    {
      payload_.reset(payload);
    }    
  }


  Orthanc::IDynamicObject& OracleCommandBase::GetPayload() const
  {
    if (HasPayload())
    {
      return *payload_;
    }
    else
    {
      LOG(ERROR) << "OracleCommandBase::GetPayload(): (!HasPayload())";
      throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
    }
  }


  Orthanc::IDynamicObject* OracleCommandBase::ReleasePayload()
  {
    if (HasPayload())
    {
      return payload_.release();
    }
    else
    {
      LOG(ERROR) << "OracleCommandBase::ReleasePayload(): (!HasPayload())";
      throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
    }
  }
}