coInputPort.h

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/* This file is part of COVISE.

   You can use it under the terms of the GNU Lesser General Public License
   version 2.1 or later, see lgpl-2.1.txt.

 * License: LGPL 2+ */

#ifndef _CO_IN_PORT_H_
#define _CO_IN_PORT_H_

// 20.09.99
#include <covise/covise.h>
#include "coUifPort.h"

namespace covise
{

class coDistributedObject;
class coOutputPort;

class APIEXPORT coInputPort : public coUifPort
{

private:
    coInputPort(const coInputPort &);

    coInputPort &operator=(const coInputPort &);

    coInputPort();

    const coDistributedObject *d_inObj;

    char *oldObjectName;

    bool objectChanged;

    // whether the port is required
    int d_required;

public:
    // create an input port
    coInputPort(const char *name, const char *typelist, const char *desc);

    // set port required or not
    void setRequired(int isRequired);

    virtual void initialize();

    virtual Kind kind() const;

    virtual ~coInputPort();

    virtual int preCompute();

    virtual int postCompute();

    const coDistributedObject *getCurrentObject() const;

    void setCurrentObject(const coDistributedObject *o);

    void print(ostream &) const;

    bool inputDataChanged()
    {
        return objectChanged;
    };
};
}
#endif