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