Example usage for java.util Collections min

List of usage examples for java.util Collections min

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Introduction

In this page you can find the example usage for java.util Collections min.

Prototype

public static <T extends Object & Comparable<? super T>> T min(Collection<? extends T> coll)

Source Link

Document

Returns the minimum element of the given collection, according to the natural ordering of its elements.

Usage

From source file:gr.iti.mklab.reveal.forensics.util.Util.java

public static double[][] normalizeIm(float[][] imIn) {
    // Normalize single-channel image pixel values to [0, 1]
    int imWidth = imIn.length;
    int imHeight = imIn[0].length;
    double imOut[][] = new double[imWidth][imHeight];
    double min = Double.MAX_VALUE;
    double max = -Double.MAX_VALUE;
    double colMin, colMax;
    for (float[] imInRow : imIn) {
        List<Float> b = Arrays.asList(ArrayUtils.toObject(imInRow));
        colMin = (float) Collections.min(b);
        if (colMin < min) {
            min = colMin;/*from   w w w.  j  av  a2s . c o m*/
        }
        colMax = (float) Collections.max(b);
        if (colMax > max) {
            max = colMax;
        }
    }
    double spread = max - min;
    for (int ii = 0; ii < imWidth; ii++) {
        for (int jj = 0; jj < imHeight; jj++) {
            imOut[ii][jj] = (imIn[ii][jj] - min) / spread;
        }
    }
    return imOut;
}

From source file:de.tudarmstadt.ukp.clarin.webanno.tcf.TcfReader.java

/**
 * Get the start and end offsets of a span annotation
 * //from   w w  w .j a v  a2  s.  c  om
 * @param aSpanTokens
 *            list of span {@link eu.clarin.weblicht.wlfxb.tc.api.Token}s
 * @param aAllTokens
 *            all available tokens in the file
 */
private int[] getOffsets(eu.clarin.weblicht.wlfxb.tc.api.Token[] aSpanTokens, Map<String, Token> aAllTokens) {
    List<Integer> beginPositions = new ArrayList<Integer>();
    List<Integer> endPositions = new ArrayList<Integer>();
    for (eu.clarin.weblicht.wlfxb.tc.api.Token token : aSpanTokens) {
        beginPositions.add(aAllTokens.get(token.getID()).getBegin());
        endPositions.add(aAllTokens.get(token.getID()).getEnd());
    }
    return new int[] { (Collections.min(beginPositions)), (Collections.max(endPositions)) };
}

From source file:org.gradoop.flink.model.impl.operators.matching.common.query.QueryHandler.java

/**
 * Returns all vertex ids that have a minimum eccentricity.
 *
 * @return vertex identifiers//  ww w  .  j av a 2 s  .  co  m
 */
public Collection<Long> getCentralVertexIds() {
    Map<Long, Integer> eccMap = GraphMetrics.getEccentricity(this);
    Integer min = Collections.min(eccMap.values());
    List<Long> result = Lists.newArrayList();
    for (Map.Entry<Long, Integer> eccEntry : eccMap.entrySet()) {
        if (eccEntry.getValue().equals(min)) {
            result.add(eccEntry.getKey());
        }
    }
    return result;
}

From source file:com.vgi.mafscaling.OpenLoop.java

private void setRanges() {
    double paddingX;
    double paddingY;
    XYPlot plot = mafChartPanel.getChartPanel().getChart().getXYPlot();
    plot.getDomainAxis(0).setLabel(XAxisName);
    plot.getRangeAxis(1).setLabel(Y2AxisName);
    plot.getRangeAxis(0).setVisible(true);
    if (checkBoxMafRpmData.isSelected() && checkBoxMafRpmData.isEnabled()) {
        paddingX = runData.getMaxX() * 0.05;
        paddingY = runData.getMaxY() * 0.05;
        plot.getDomainAxis(0).setRange(runData.getMinX() - paddingX, runData.getMaxX() + paddingX);
        plot.getRangeAxis(1).setRange(runData.getMinY() - paddingY, runData.getMaxY() + paddingY);
        plot.getRangeAxis(0).setVisible(false);
        plot.getRangeAxis(1).setLabel(XAxisName);
        plot.getDomainAxis(0).setLabel(rpmAxisName);
    } else if (checkBoxRunData.isSelected() && checkBoxRunData.isEnabled() && !checkBoxCurrentMaf.isSelected()
            && !checkBoxCorrectedMaf.isSelected() && !checkBoxSmoothedMaf.isSelected()) {
        paddingX = runData.getMaxX() * 0.05;
        paddingY = runData.getMaxY() * 0.05;
        plot.getDomainAxis(0).setRange(runData.getMinX() - paddingX, runData.getMaxX() + paddingX);
        plot.getRangeAxis(1).setRange(runData.getMinY() - paddingY, runData.getMaxY() + paddingY);
    } else if (checkBoxSmoothing.isSelected()) {
        double maxY = Collections.max(Arrays.asList(
                new Double[] { currMafData.getMaxY(), smoothMafData.getMaxY(), corrMafData.getMaxY() }));
        double minY = Collections.min(Arrays.asList(
                new Double[] { currMafData.getMinY(), smoothMafData.getMinY(), corrMafData.getMinY() }));
        paddingX = smoothMafData.getMaxX() * 0.05;
        paddingY = maxY * 0.05;/*from   ww  w  .ja  v  a2 s. com*/
        plot.getDomainAxis(0).setRange(smoothMafData.getMinX() - paddingX, smoothMafData.getMaxX() + paddingX);
        plot.getRangeAxis(0).setRange(minY - paddingY, maxY + paddingY);
    } else if ((checkBoxCurrentMaf.isSelected() && checkBoxCurrentMaf.isEnabled())
            || (checkBoxCorrectedMaf.isSelected() && checkBoxCorrectedMaf.isEnabled())
            || (checkBoxSmoothedMaf.isSelected() && checkBoxSmoothedMaf.isEnabled())) {
        paddingX = voltArray.get(voltArray.size() - 1) * 0.05;
        paddingY = gsCorrected.get(gsCorrected.size() - 1) * 0.05;
        plot.getDomainAxis(0).setRange(voltArray.get(0) - paddingX,
                voltArray.get(voltArray.size() - 1) + paddingX);
        plot.getRangeAxis(0).setRange(gsCorrected.get(0) - paddingY,
                gsCorrected.get(gsCorrected.size() - 1) + paddingY);
        if (checkBoxRunData.isSelected()) {
            paddingX = runData.getMaxX() * 0.05;
            paddingY = runData.getMaxY() * 0.05;
            plot.getRangeAxis(1).setRange(runData.getMinY() - paddingY, runData.getMaxY() + paddingY);
        }
    } else {
        plot.getRangeAxis(0).setAutoRange(true);
        plot.getDomainAxis(0).setAutoRange(true);
    }
}

From source file:de.tudarmstadt.ukp.clarin.webanno.tcf.TcfReader.java

/**
 * Get the start and end offsets of a span annotation
 * //from  w  ww.  ja  v a2  s . c  om
 * @param aSpanTokens
 *            list of span token ids. [t_3,_t_5, t_1]
 * @param aAllTokens
 *            all available tokens in the file
 */
private int[] getOffsets(String[] aSpanTokens, Map<String, Token> aAllTokens) {
    List<Integer> beginPositions = new ArrayList<Integer>();
    List<Integer> endPositions = new ArrayList<Integer>();
    for (String token : aSpanTokens) {
        beginPositions.add(aAllTokens.get(token).getBegin());
        endPositions.add(aAllTokens.get(token).getEnd());
    }
    return new int[] { (Collections.min(beginPositions)), (Collections.max(endPositions)) };
}

From source file:gr.iti.mklab.reveal.forensics.util.Util.java

public static double[][] normalizeIm(double[][] imIn) {
    // Normalize single-channel image pixel values to [0, 1]
    int imWidth = imIn.length;
    int imHeight = imIn[0].length;
    double imOut[][] = new double[imWidth][imHeight];
    double min = Double.MAX_VALUE;
    double max = -Double.MAX_VALUE;
    double colMin, colMax;
    for (double[] imInRow : imIn) {
        List<Double> b = Arrays.asList(ArrayUtils.toObject(imInRow));
        colMin = (double) Collections.min(b);
        if (colMin < min) {
            min = colMin;/*from w w  w .j  ava2  s . c  om*/
        }
        colMax = (double) Collections.max(b);
        if (colMax > max) {
            max = colMax;
        }
    }
    double spread = max - min;
    for (int ii = 0; ii < imWidth; ii++) {
        for (int jj = 0; jj < imHeight; jj++) {
            imOut[ii][jj] = (imIn[ii][jj] - min) / spread;
        }
    }
    return imOut;
}

From source file:Main_Window.java

public void Send_Receive_Data_Google_Service(boolean State) {
    try {/* w  ww.  j  a  v a 2s.co m*/
        ServerAddress = new URL("https://maps.googleapis.com/maps/api/place/nearbysearch/json?location="
                + Double.parseDouble(Latitude_TextField.getText()) + ","
                + Double.parseDouble(Longitude_TextField.getText()) + "&radius="
                + Double.parseDouble(Radius_TextField.getText()) + "&opennow=" + Boolean.toString(State)
                + "&types=" + Categories.getSelectedItem().toString() + "&key=" + API_KEY);
        //DELTE
        String str = "https://maps.googleapis.com/maps/api/place/nearbysearch/json?location="
                + Double.parseDouble(Latitude_TextField.getText()) + ","
                + Double.parseDouble(Longitude_TextField.getText()) + "&radius="
                + Double.parseDouble(Radius_TextField.getText()) + "&opennow=" + Boolean.toString(State)
                + "&types=" + Categories.getSelectedItem().toString() + "&key=" + API_KEY;
        System.out.println(" To url einai -> " + str);
        //set up out communications stuff
        Connection = null;
        //Set up the initial connection
        Connection = (HttpURLConnection) ServerAddress.openConnection();
        Connection.setRequestMethod("GET");
        Connection.setDoOutput(true); //Set the DoOutput flag to true if you intend to use the URL connection for output
        Connection.setDoInput(true);
        Connection.setRequestProperty("Content-type", "text/xml"); //Sets the general request property
        Connection.setAllowUserInteraction(false);
        Encode_String = URLEncoder.encode("test", "UTF-8");
        Connection.setRequestProperty("Content-length", "" + Encode_String.length());
        Connection.setReadTimeout(10000);
        // A non-zero value specifies the timeout when reading from Input stream when a connection is established to a resource. 
        //If the timeout expires before there is data available for read, a java.net.SocketTimeoutException is raised. 
    } catch (IOException IOE) {
        JOptionPane.showMessageDialog(null, "Error -> " + IOE.getLocalizedMessage(), "Exception - IOException",
                JOptionPane.ERROR_MESSAGE, null);
    }

    try {
        wr = new DataOutputStream(Connection.getOutputStream());
        //open output stream to write
    } catch (IOException IOE) {
        JOptionPane.showMessageDialog(null, "Error -> " + IOE.getLocalizedMessage(), "Exception - IOException",
                JOptionPane.ERROR_MESSAGE, null);
    }

    try {
        wr.writeBytes("q=" + strData);
    } catch (IOException ex) {
        JOptionPane.showMessageDialog(null, "Error -> " + ex.getLocalizedMessage(), "Exception - IOException",
                JOptionPane.ERROR_MESSAGE, null);
    }

    try {
        wr.flush();
        //Force all data to write in channel
    } catch (IOException ex) {
        JOptionPane.showMessageDialog(null, "Error -> " + ex.getLocalizedMessage(), "Exception - IOException",
                JOptionPane.ERROR_MESSAGE, null);
    }

    try {
        //read the result from the server
        Buffered_Reader = new BufferedReader(new InputStreamReader(Connection.getInputStream()));
    } catch (IOException ex) {
        JOptionPane.showMessageDialog(null, "Error -> " + ex.getLocalizedMessage(), "Exception - IOException",
                JOptionPane.ERROR_MESSAGE, null);
    }

    jsonParser = new JSONParser(); //JSON Parser

    try {
        JsonObject = (JSONObject) jsonParser.parse(Buffered_Reader); //Parse whole BuffererReader IN Object
        JSONArray Results_Array_Json = (JSONArray) JsonObject.get("results"); //take whole array - from json format
        //results - is as string unique that contains all the essential information such as arrays, and strings. So to extract all info we extract results into JSONarray
        //And this comes up due to json format
        for (int i = 0; i < Results_Array_Json.size(); i++) // Loop over each each part of array that contains info we must extract
        {
            JSONObject o = (JSONObject) Results_Array_Json.get(i);

            try { //We assume that for every POI exists for sure an address !!! thats why the code is not insida a try-catch
                Temp_Name = (String) o.get("name");
                Temp_Address = (String) o.get("vicinity");
                JSONObject Str_1 = (JSONObject) o.get("geometry"); //Geometry is object so extract geometry
                JSONArray Photo_1 = (JSONArray) o.get("photos");
                JSONObject Photo_2 = (JSONObject) Photo_1.get(0);
                String Photo_Ref = (String) Photo_2.get("photo_reference");
                JSONObject Str_2 = (JSONObject) Str_1.get("location");
                Temp_X = (double) Str_2.get("lat");
                Temp_Y = (double) Str_2.get("lng");
                //In case some POI has no Rating
                try {
                    //Inside try-catch block because may some POI has no rating
                    Temp_Rating = (double) o.get("rating");
                    Point POI_Object = new Point(Temp_Name, Temp_Address, Photo_Ref, Temp_Rating, Temp_X,
                            Temp_Y);
                    POI_List.add(POI_Object); //Add POI in List to keep it
                } catch (Exception Er) {
                    //JOptionPane.showMessageDialog ( null, "No rating for this POI " ) ;
                    Point POI_Object_2 = new Point(Temp_Name, Temp_Address, Photo_Ref, 0.0, Temp_X, Temp_Y);
                    POI_List.add(POI_Object_2); //Add POI in List to keep it
                }
            } catch (Exception E) {
                //JOptionPane.showMessageDialog ( this, "Error -> " + E.getLocalizedMessage ( ) + ", " + E.getMessage ( ) ) ;
            }
            o.clear();
        }
    } catch (ParseException PE) {
        JOptionPane.showMessageDialog(this, "Error -> " + PE.getLocalizedMessage(),
                "Parse, inside while JSON ERROR", JOptionPane.ERROR_MESSAGE, null);
    } catch (IOException IOE) {
        JOptionPane.showMessageDialog(this, "Error -> " + IOE.getLocalizedMessage(), "IOExcpiton",
                JOptionPane.ERROR_MESSAGE, null);
    }

    if (POI_List.isEmpty()) {
        JOptionPane.showMessageDialog(this, "No Results");
    } else {
        //Calculate Distance every POI from Longitude and latitude of User

        for (int k = 0; k < POI_List.size(); k++) {
            double D1 = Double.parseDouble(Latitude_TextField.getText()) - POI_List.get(k).Get_Distance_X();
            double D2 = Double.parseDouble(Longitude_TextField.getText()) - POI_List.get(k).Get_Distance_Y();
            double a = pow(sin(D1 / 2), 2) + cos(POI_List.get(k).Get_Distance_X())
                    * cos(Double.parseDouble(Latitude_TextField.getText())) * pow(sin(D2 / 2), 2);
            double c = 2 * atan2(sqrt(a), sqrt(1 - a));
            double d = 70000 * c; // (where R is the radius of the Earth)  in meters
            //add to list
            Distances_List.add(d);
        }

        //COPY array because Distances_List will be corrupted
        for (int g = 0; g < Distances_List.size(); g++) {
            Distances_List_2.add(Distances_List.get(g));
        }

        for (int l = 0; l < Distances_List.size(); l++) {
            int Dou = Distances_List.indexOf(Collections.min(Distances_List)); //Take the min , but the result is the position that the min is been placed
            Number_Name N = new Number_Name(POI_List.get(Dou).Get_Name()); //Create an object  with the name of POI in the min position in the POI_List
            Temp_List.add(N);
            Distances_List.set(Dou, 9999.99); //Make the number in the min position so large so be able to find the next min
        }
        String[] T = new String[Temp_List.size()]; //String array to holds all names of POIS that are going to be dispayled in ascending order
        //DISPLAY POI IN JLIST - Create String Array with Names in ascending order to create JList
        for (int h = 0; h < Temp_List.size(); h++) {
            T[h] = Temp_List.get(h).Get_Name();
        }
        //System.out.println ( " Size T -> " + T.length ) ;
        //Make JList and put String names 
        list = new JList(T);
        list.setForeground(Color.BLACK);
        list.setBackground(Color.GRAY);
        list.setBounds(550, 140, 400, 400);
        //list.setSelectionMode ( ListSelectionModel.SINGLE_SELECTION ) ;
        JScrollPane p = new JScrollPane(list);
        P.add(p);
        setContentPane(pane);
        //OK
        list.addListSelectionListener(new ListSelectionListener() {
            public void valueChanged(ListSelectionEvent event) {
                String selected = list.getSelectedValue().toString();
                System.out.println("Selected string" + selected);
                for (int n = 0; n < POI_List.size(); n++) {
                    if (selected.equals(POI_List.get(n).Get_Name())) {
                        try {
                            //read the result from the server
                            BufferedImage img = null;
                            URL u = new URL(
                                    "https://maps.googleapis.com/maps/api/place/photo?maxwidth=400&photoreference="
                                            + POI_List.get(n).Get_Photo_Ref() + "&key=" + API_KEY);
                            Image image = ImageIO.read(u);
                            IMAGE_LABEL.setText("");
                            IMAGE_LABEL.setIcon(new ImageIcon(image));
                            IMAGE_LABEL.setBounds(550, 310, 500, 200); //SOSOSOSOSOS
                            pane.add(IMAGE_LABEL);
                        } catch (IOException ex) {
                            JOptionPane.showMessageDialog(null, "Error -> " + ex.getLocalizedMessage(),
                                    "Exception - IOException", JOptionPane.ERROR_MESSAGE, null);
                        }

                        Distance_L.setBounds(550, 460, 350, 150);
                        Distance_L.setText("");
                        Distance_L.setText(
                                "Distance from the current location: " + Distances_List_2.get(n) + "m");
                        pane.add(Distance_L);

                        Address_L.setBounds(550, 500, 350, 150);
                        Address_L.setText("");
                        Address_L.setText("Address: " + POI_List.get(n).Get_Address());
                        pane.add(Address_L);

                        Rating_L.setBounds(550, 540, 350, 150);
                        Rating_L.setText("");
                        Rating_L.setText("Rating: " + POI_List.get(n).Get_Rating());
                        pane.add(Rating_L);
                    }
                }
            }
        });
    } //Else not empty
}

From source file:org.apache.hadoop.hbase.regionserver.HLog.java

private Long getOldestOutstandingSeqNum() {
    return Collections.min(this.lastSeqWritten.values());
}

From source file:com.feilong.core.util.AggregateUtil.java

/**
 * <code>map</code>,keys,? value ?.
 * //from w  ww  . j  a  va2 s  .  co m
 * <h3>:</h3>
 * <blockquote>
 * 
 * <pre class="code">
 * Map{@code <String, Integer>} map = new HashMap{@code <String, Integer>}();
 * 
 * map.put("a", 3007);
 * map.put("b", 3001);
 * map.put("c", 3002);
 * map.put("d", 3003);
 * map.put("e", 3004);
 * map.put("f", 3005);
 * map.put("g", -1005);
 * 
 * LOGGER.info("" + AggregateUtil.getMinValue(map, "a", "b", "d", "g", "m"));
 * </pre>
 * 
 * <b>:</b>
 * -1005
 * 
 * </blockquote>
 * 
 * @param <K>
 *            the key type
 * @param <T>
 *            the generic type
 * @param map
 *            map
 * @param keys
 *            key
 * @return  <code>map</code> nullempty, null;<br>
 *          <code>keys</code> nullempty,<code>map</code>value?<br>
 *          key?map key?,mapkey,warn level log<br>
 *          keys key ? map  ,null
 * @see MapUtil#getSubMap(Map, Object...)
 * @see java.util.Collections#min(Collection)
 */
@SafeVarargs
public static <K, T extends Number & Comparable<? super T>> T getMinValue(Map<K, T> map, K... keys) {
    Map<K, T> subMap = MapUtil.getSubMap(map, keys);
    return isNullOrEmpty(subMap) ? null : Collections.min(subMap.values()); //? Number Comparable?
}

From source file:gr.iti.mklab.reveal.forensics.util.Util.java

public static float minDouble2DArray(float[][] arrayIn) {
    // Calculate the minimum value of a 2D float array
    float min = Float.MAX_VALUE;
    float colMin;
    for (float[] arrayInRow : arrayIn) {
        List b = Arrays.asList(ArrayUtils.toObject(arrayInRow));
        colMin = (float) Collections.min(b);
        if (colMin < min) {
            min = colMin;/*  ww w  . j ava 2  s. com*/
        }
    }
    return min;
}