/**
* UGENE - Integrated Bioinformatics Tools.
* Copyright (C) 2008-2021 UniPro <ugene@unipro.ru>
* http://ugene.net
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/

#ifndef _U2_BASE_DATASET_WORKER_H_
#define _U2_BASE_DATASET_WORKER_H_

#include <U2Lang/BaseOneOneWorker.h>

namespace U2 {
namespace LocalWorkflow {

class U2LANG_EXPORT BaseDatasetWorker : public BaseOneOneWorker {
    Q_OBJECT
public:
    BaseDatasetWorker(Actor *a, const QString &inPortId, const QString &outPortId);

    void init();
    void cleanup();

protected:
    // BaseOneOneWorker
    Task *processNextInputMessage() override;
    Task *onInputEnded() override;
    QList<Message> fetchResult(Task *task, U2OpStatus &os) override;

    virtual Task *createTask(const QList<Message> &messages) const = 0;
    virtual QVariantMap getResult(Task *task, U2OpStatus &os) const = 0;
    virtual MessageMetadata generateMetadata(const QString &datasetName) const;

private:
    QString getDatasetName(const Message &message) const;
    bool datasetChanged(const Message &message) const;
    void takeMessage();
    Task *onDatasetChanged();

private:
    bool datasetInited;
    QString datasetName;
    QList<Message> datasetMessages;
};

}    // namespace LocalWorkflow
}    // namespace U2

#endif    // _U2_BASE_DATASET_WORKER_H_
