Put Multiple Slices¶

public static void putSlice() throws Exception {
  
    try { 
        int dataEntry = imas.open("imas:mdsplus?path=./testdb_mdsplus", LowLevel.FORCE_CREATE_PULSE);
        imas.summary emptySummary = new imas.summary();

        // set mandatory field
        emptySummary.ids_properties.homogeneous_time = LowLevel.IDS_TIME_MODE_HOMOGENEOUS;

        // summary/heating_current_drive/nbi is an array of structures, so we need to resize it to use it.
        int arraySize = 1;
        emptySummary.heating_current_drive.nbi = new imas.summary.heating_current_driveClass.nbiClass[arraySize];
        emptySummary.heating_current_drive.nbi[0] = new imas.summary.heating_current_driveClass.nbiClass();

        emptySummary.stationary_phase_flag.value = new Vect1DInt(arraySize);
        emptySummary.time = new Vect1DDouble(arraySize);
        emptySummary.heating_current_drive.nbi[0].beam_current_fraction.value = new Vect2DDouble(3,1);

        for (int timeSlice = 0; timeSlice < 5; timeSlice++) {
            
            // NOTE: time-independent data is being put only if it is empty in entry
            // in this case summary/stationary_phase_flag/source will be put only at first iteration.
            // suggested way to fill this type of fields is to do this outside loop
            emptySummary.stationary_phase_flag.source = "Name saved by example code iteration: " + timeSlice;

            // fill example data
            emptySummary.stationary_phase_flag.value.setElementAt(0, 10*timeSlice);

            // fill 2D data
            double timeSliceDouble = (double) timeSlice;             
            double[][] value2DArray = new double[3][1];
            for (int i = 0; i<3; i++){
                value2DArray[i][0] = 100 * timeSliceDouble;
            }

            emptySummary.heating_current_drive.nbi[0].beam_current_fraction.value.set(value2DArray);

            // NOTE: it is user's responsibility to organize <ids>/time field in ascending manner
            // breaking this rule will make get_slice() command to fail
            // slice time is being appended to <ids>/time stored in entry   
            emptySummary.time.setElementAt(0, timeSliceDouble);
            emptySummary.putSlice(dataEntry, "summary", emptySummary);
        }

        // multiple slices can be put into entry as well
        emptySummary.stationary_phase_flag.value = new Vect1DInt(3);
        double[] valueArray = {11.0, 12.0, 13.0};
        Vect1DDouble vectValueArray = new Vect1DDouble(valueArray);
        for (int i = 0; i < 3; i++){
            int intValue = (int) vectValueArray.getElementAt(i);
            emptySummary.stationary_phase_flag.value.setElementAt(i, intValue);
        }

        emptySummary.heating_current_drive.nbi[0].beam_current_fraction.value = new Vect2DDouble(3,3);
        double[][] value2DArray = new double[3][3];
        for ( int i = 0; i < 3; i++){
            value2DArray[i] = new double[]{1000.0, 2000.0, 3000.0};
        }
        emptySummary.heating_current_drive.nbi[0].beam_current_fraction.value.set(value2DArray);



        emptySummary.time = new Vect1DDouble(3);
        double[] timeArray = {50.0, 60.0, 70.0};
        Vect1DDouble vectTimeArray = new Vect1DDouble(timeArray);
        for (int i =0; i < 3; i++) {
            emptySummary.time.setElementAt(i, vectTimeArray.getElementAt(i));
        }
        
        emptySummary.putSlice(dataEntry, "summary", emptySummary);
        imas.close(dataEntry);

        // printing all saved slices in IDS.
        try {
            int dataEntry1 = imas.open("imas:mdsplus?path=./testdb_mdsplus", LowLevel.OPEN_PULSE);
            imas.summary savedSummary = imas.summary.get(dataEntry1, "summary");
            System.out.println("\nSaved summary/time field: \n" + savedSummary.time);
            System.out.println("Saved summary/heating_current_drive/nbi[0]/beam_current_fraction/value field: \n" + savedSummary.heating_current_drive.nbi[0].beam_current_fraction.value);
            System.out.println("Saved summary/stationary_phase_flag/value field: \n" + savedSummary.stationary_phase_flag.value);

            imas.close(dataEntry1);
        } catch (Exception e) {
            System.out.println("Caught exception (raised intentionally): " + e.getMessage());
            throw e;
        }               
    } catch (Exception e) {
        System.err.println("Following exception occurred\n" + e.getMessage());
        throw e;
    }
}