State.cpp

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/* ============================================================
 *
 * This file is a part of CCA project
 *
 * Copyright (C) 2011 by Arne Nordmann <anordman at cor-lab dot uni-bielefeld dot de>
 *
 * This file may be licensed under the terms of the
 * GNU Lesser General Public License Version 3 (the ``LGPL''),
 * or (at your option) any later version.
 *
 * Software distributed under the License is distributed
 * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
 * express or implied. See the LGPL for the specific language
 * governing rights and limitations.
 *
 * You should have received a copy of the LGPL along with this
 * program. If not, go to http://www.gnu.org/licenses/lgpl.html
 * or write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The development of this software was supported by:
 *   CoR-Lab, Research Institute for Cognition and Robotics
 *     Bielefeld University
 *
 * ============================================================ */

#include "State.h"

#include <sstream>

using namespace std;

namespace cca {

ComponentStatePtr ComponentState::PERSISTED() {
    return ComponentStatePtr(new ComponentState(ComponentState::STATE_PERSIST));
}

ComponentStatePtr ComponentState::LOADED() {
    return ComponentStatePtr(new ComponentState(ComponentState::STATE_LOAD));
}

ComponentStatePtr ComponentState::PAUSED() {
    return ComponentStatePtr(new ComponentState(ComponentState::STATE_PAUSE));
}

ComponentStatePtr ComponentState::RESET() {
    return ComponentStatePtr(new ComponentState(ComponentState::STATE_RESET));
}

ComponentStatePtr ComponentState::STOPPED() {
    return ComponentStatePtr(new ComponentState(ComponentState::STATE_OFF));
}

ComponentStatePtr ComponentState::EXECUTION() {
    return ComponentStatePtr(new ComponentState(ComponentState::STATE_EXEC));
}

ComponentStatePtr ComponentState::ONLINELEARNING() {
    return ComponentStatePtr(new ComponentState(ComponentState::STATE_ONLLEARN));
}

ComponentStatePtr ComponentState::OFFLINELEARNING() {
    return ComponentStatePtr(
            new ComponentState(ComponentState::STATE_OFFLLEARN));
}

ComponentStatePtr ComponentState::DATAACQUISITION() {
    return ComponentStatePtr(
            new ComponentState(ComponentState::STATE_ACQUIRE));
}

ComponentState::State ComponentState::getState() const {
    return this->state;
}

ComponentState::ComponentState(ComponentState::State st) :
        DataTransferObject(), state(st) {
}

ComponentState::~ComponentState() {
}

std::string ComponentState::print() const {
    ostringstream outstream(ostringstream::out);
    switch (this->state) {
    case STATE_RESET:
        outstream << "<Reset>";
        break;
    case STATE_PAUSE:
        outstream << "<Paused>";
        break;
    case STATE_ACQUIRE:
        outstream << "<DataAcquisition>";
        break;
    case STATE_OFFLLEARN:
        outstream << "<OfflineLearning>";
        break;
    case STATE_ONLLEARN:
        outstream << "<OnlineLearning>";
        break;
    case STATE_EXEC:
        outstream << "<Execution>";
        break;
    case STATE_LOAD:
        outstream << "<Loaded>";
        break;
    case STATE_PERSIST:
        outstream << "<Saved>";
        break;
    case STATE_OFF:
        outstream << "<Stopped>";
        break;
    default:
        outstream << "<IllegalState>";
        break;
    }
    return outstream.str();
}

bool operator==(ComponentStatePtr const a, ComponentStatePtr const b) {
    return (a->getState() == b->getState());
}

bool operator==(ComponentState const a, ComponentState const b) {
    return (a.getState() == b.getState());
}

bool operator!=(ComponentState const a, ComponentState const b) {
    return !(a == b);
}

}