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HxCorbaDatabase.idl

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/*
 *  Copyright (c) 2001, University of Amsterdam, The Netherlands.
 *  All rights reserved.
 *
 *  Author(s):
 *  Marc Navarro            (mnavarro@wins.uva.nl)
 */

#ifndef HxCorbaDatabase_idl
#define HxCorbaDatabase_idl

#include "HxCorbaVxSegmentation.idl"

module HxCorba
{
    exception DatabaseException 
    {
        long            dbCode;
        string          dbMessage;
        string          message; // maybe more friendly
    };
    
    interface VxSegmentBuilder
    {
        void                addInt(in string id, in long value)
                                raises(DatabaseException);
        void                addDouble(in string id, in double value)
                                raises(DatabaseException);
        void                addString(in string id, in string value)
                                raises(DatabaseException);
        
        void                close();
    };

    interface VxSegmentationBuilder
    {
        void                setDescription(in string description);
        VxSegmentBuilder    addSegment(in long start, in long end)
                                raises(DatabaseException);
        
        void                close();
    };
    
    struct FeatureCondition
    {
        string featType;
        string feature;
        string expression;
    };
    
    typedef sequence<FeatureCondition> FeatureCondSeq;
    
    struct SegmentationCondition
    {
        string                  segName;
        FeatureCondSeq          featureCond;
    };

    typedef sequence<SegmentationCondition> SegmentationConditionSeq;

    struct OverlappingCondition
    {
        boolean                 total;
        SegmentationCondition   segCond;
    };
    
    typedef sequence<OverlappingCondition> OverlappingCondSeq;

    interface VxJoinedSegments
    {
        long        start();
        long        end();

        long        getInt(in string segmentation, in string id);
        double      getDouble(in string segmentation, in string id);
        string      getString(in string segmentation, in string id);
        
        long        getIntFlag(in string segmentation, in string id, out boolean present);
        double      getDoubleFlag(in string segmentation, in string id, out boolean present);
        string      getStringFlag(in string segmentation, in string id, out boolean present);
        
        StringSeq   listSegmentations();
        VxSegment   getSegment(in string segmentation);
    };

    typedef sequence<VxJoinedSegments> VxJoinedSegmentsSeq;
            
    interface DatabaseSession
    {
        StringSeq           listVideos();
        StringSeq           listSegmentations(in string videoName);
        VxSegmentation      getSegmentation(in string videoName, in string segName);
        
        void                addSegmentation(in VxSegmentation seg,
                                in string videoName, in string segName,
                                in string description)
                                    raises(DatabaseException);
                                
        VxSegmentationBuilder buildSegmentation(in string videoName, 
            in string segName) raises(DatabaseException);
            

        VxSegmentSeq        querySegments(in string sqlQuery)
                                    raises(DatabaseException);

            
            
        VxSegmentSeq        querySegmentations(in string videoName, 
                                in SegmentationCondition segCond, 
                                in OverlappingCondSeq overlappings)
                                    raises(DatabaseException);

        VxJoinedSegmentsSeq queryIntersections(in string videoName,
                                in SegmentationConditionSeq conds)
                                    raises(DatabaseException);

        string              queryXML(in string sqlQuery)
                                    raises(DatabaseException);
        
        /*
        VxJoinedSegmentsSeq joinSegments(in string videoName,
                                in VxTimeSpan timeSpan, 
                                in StringSeq segmentations);
        */

        void                close();
    };
    
    interface Database
    {
        DatabaseSession   openSession(in string username, in string password)
                            raises(DatabaseException);
    };
    
};

#endif

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