Example usage for java.util Collections swap

List of usage examples for java.util Collections swap

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Introduction

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

Prototype

private static void swap(Object[] arr, int i, int j)

Source Link

Document

Swaps the two specified elements in the specified array.

Usage

From source file:ec.edu.chyc.manejopersonal.managebean.GestorArticulo.java

public void moverAbajo(PersonaArticulo personaArticuloMover, Integer indexActual) {
    if (indexActual != listaPersonaArticulo.size() - 1) {
        Collections.swap(listaPersonaArticulo, indexActual, indexActual + 1);
    }// w ww.  j  a  va2 s .  c o m
}

From source file:com.predic8.membrane.core.transport.http.ConnectionManager.java

public Connection getConnection(InetAddress host, int port, String localHost, SSLProvider sslProvider,
        int connectTimeout) throws UnknownHostException, IOException {

    log.debug("connection requested for host: " + host + " and port: " + port);

    log.debug("Number of connections in pool: " + numberInPool.get());

    ConnectionKey key = new ConnectionKey(host, port);
    long now = System.currentTimeMillis();

    synchronized (this) {
        ArrayList<OldConnection> l = availableConnections.get(key);
        if (l != null) {
            int i = l.size() - 1;
            while (i >= 0) {
                OldConnection c = l.get(i);
                if (c.deathTime > now) {
                    l.remove(i);/*w ww.  j  a va2  s  .  co m*/
                    return c.connection;
                }
                Collections.swap(l, 0, i);
                i--;
            }
        }
    }

    Connection result = Connection.open(host, port, localHost, sslProvider, this, connectTimeout);
    numberInPool.incrementAndGet();
    return result;
}

From source file:org.videolan.vlc.gui.audio.PlaylistAdapter.java

@Override
public void onItemMove(int fromPosition, int toPosition) {
    Collections.swap(mDataSet, fromPosition, toPosition);
    Collections.swap(mOriginalDataSet, fromPosition, toPosition);
    notifyItemMoved(fromPosition, toPosition);
    mHandler.obtainMessage(PlaylistHandler.ACTION_MOVE, fromPosition, toPosition).sendToTarget();
}

From source file:com.example.admin.news.mvp.ui.adapter.NewsChannelAdapter.java

@Override
public boolean onItemMove(int fromPosition, int toPosition) {
    if (isChannelFixed(fromPosition, toPosition)) {
        return false;
    }//from  www .ja  va  2s  .  c  o  m
    Collections.swap(mList, fromPosition, toPosition);
    notifyItemMoved(fromPosition, toPosition);
    RxBus.getInstance().post(new ChannelItemMoveEvent(fromPosition, toPosition));
    return true;
}

From source file:com.heliosdecompiler.helios.gui.controller.PathEditorController.java

@FXML
private void down(MouseEvent event) {
    int selected = list.getSelectionModel().getSelectedIndex();
    if (selected != -1) {
        if (selected < list.getItems().size() - 1) {
            Collections.swap(list.getItems(), selected, selected + 1);
            this.list.getSelectionModel().select(selected + 1);
        } else {/* w w  w .j a v  a2  s.  co m*/
            this.list.getSelectionModel().select(this.list.getItems().size() - 1);
        }
        this.list.requestFocus();
    }
}

From source file:com.zmf.editablelist.EditListAdapter.java

@Override
public boolean onItemMove(int fromPosition, int toPosition) {
    Collections.swap(mItems, fromPosition, toPosition);
    notifyItemMoved(fromPosition, toPosition);
    //        init();
    //        notifyDataSetChanged();
    return true;/*from w w w . j a  v  a  2 s  .co m*/
}

From source file:org.squale.welcom.struts.action.WForwardAction.java

/**
 * @see org.squale.welcom.struts.action.WAction#wExecute(org.apache.struts.action.ActionMapping,
 *      org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest,
 *      javax.servlet.http.HttpServletResponse)
 *//*from w  w  w . ja  va 2  s .c om*/
public ActionForward wExecute(final ActionMapping mapping, final ActionForm form,
        final HttpServletRequest request, final HttpServletResponse response)
        throws IOException, ServletException, JspException {
    final String oldAction = request.getParameter("oldAction");

    // Permer de rester dansle contexte.
    final String forward = request.getParameter("wforward");
    if (forward != null) {
        return mapping.findForward(forward);
    }

    if (!GenericValidator.isBlankOrNull(oldAction)) {
        // Effectue le populate
        final ModuleConfig moduleConfig = mapping.getModuleConfig();
        final String path = ServletUtils.processPath(servlet, request, response, oldAction, moduleConfig);
        final ActionMapping mappingGenerique = ServletUtils.processMapping(request, response, moduleConfig,
                path);

        if (mappingGenerique != null) {
            // Process any ActionForm bean related to this request
            final ActionForm formGenerique = ServletUtils.processActionForm(request, response, moduleConfig,
                    mappingGenerique, servlet);

            // remis a zero
            // Dactive si optimization.checkbox.javascript a true
            if (Util.isFalse(WelcomConfigurator.getMessage(WelcomConfigurator.OPTIFLUX_AUTORESET_CHECKBOX))) {
                InternalTableUtil.razCheckBoxListe(request, formGenerique);
            }

            // Appele le reset du formulaire
            formGenerique.reset(mappingGenerique, request);

            // Effectue la populate
            ServletUtils.processPopulate(request, response, formGenerique, mappingGenerique, servlet);

            // on gere le cas ColOrder :
            final String action = request.getParameter("action");
            if ((action != null) && (action.equals("order"))) {
                final String property = request.getParameter("property");
                final String sens = request.getParameter("sens");
                final List list = (List) LayoutUtils.getProperty(formGenerique,
                        request.getParameter("collection"));
                final int index1 = Integer.parseInt(request.getParameter("position"));
                int index2;
                final Object obj1 = list.get(index1);
                Object obj2;
                if (sens.equals("up")) {
                    index2 = index1 - 1;
                    obj2 = list.get(index2);
                } else {
                    index2 = index1 + 1;
                    obj2 = list.get(index2);
                }
                // on echange la property d'ordre
                final Object oldProperty1 = LayoutUtils.getProperty(obj1, property);
                final Object oldProperty2 = LayoutUtils.getProperty(obj2, property);
                LayoutUtils.setProperty(obj1, property, oldProperty2);
                LayoutUtils.setProperty(obj2, property, oldProperty1);

                // on modifie l'ordre dans la liste
                Collections.swap(list, index1, index2);

                // on position a true l'attribut changed :
                ((WIChanged) obj1).setChanged(true);
                ((WIChanged) obj2).setChanged(true);
            }

        }
    }

    final String referer = request.getParameter("requestURI");

    if (!GenericValidator.isBlankOrNull(referer) && (referer.length() > 1) && (referer.charAt(0) == '/')) {
        final String contextPath = request.getContextPath();

        if (referer.indexOf(contextPath, 0) > -1) {
            return new ActionForward(referer.substring(contextPath.length(), referer.length()));
        } else {
            return new ActionForward(referer);
        }
    } else {
        return new ActionForward(referer);
    }
}

From source file:org.schreibubi.JCombinations.jfreechart.XYLineAndShapeRendererExtended.java

private void sort(ArrayList<Double> x, ArrayList<Double> yl, ArrayList<Double> yh) {
    for (int i = x.size(); --i >= 0;) {
        boolean swapped = false;
        for (int j = 0; j < i; j++)
            if (x.get(j) > x.get(j + 1)) {
                Collections.swap(x, j, j + 1);
                Collections.swap(yl, j, j + 1);
                Collections.swap(yh, j, j + 1);
                swapped = true;/*from  w  w  w. j  a  v  a  2  s . c  o m*/
            }
        if (!swapped)
            return;
    }
}

From source file:org.apache.cayenne.modeler.util.CayenneTableModel.java

protected void swapRows(int i, int j) {
    Collections.swap(objectList, i, j);
    fireTableDataChanged();
}

From source file:com.ejwa.dinja.demo.model.RubiksCube.java

public void roll(Vector3f axis) {
    if (axis.equals(Vector3f.POSITIVE_X_AXIS) || axis.equals(Vector3f.POSITIVE_Y_AXIS)
            || axis.equals(Vector3f.POSITIVE_Z_AXIS)) {
        for (int j = 0; j < sliceToRoll.length - 2; j++) {
            Collections.swap(boxSections, sliceToRoll[j], sliceToRoll[j + 2]);
        }//from w w  w  . ja  va2s. co  m
    } else if (axis.equals(Vector3f.NEGATIVE_X_AXIS) || axis.equals(Vector3f.NEGATIVE_Y_AXIS)
            || axis.equals(Vector3f.NEGATIVE_Z_AXIS)) {
        for (int j = sliceToRoll.length - 1; j >= 2; j--) {
            Collections.swap(boxSections, sliceToRoll[j], sliceToRoll[j - 2]);
        }
    }
}