Package com.sun.grid.installer.gui

Source Code of com.sun.grid.installer.gui.HostSelectionTableModel

/*___INFO__MARK_BEGIN__*/
/*************************************************************************
*
*  The Contents of this file are made available subject to the terms of
*  the Sun Industry Standards Source License Version 1.2
*
*  Sun Microsystems Inc., March, 2001
*
*
*  Sun Industry Standards Source License Version 1.2
*  =================================================
*  The contents of this file are subject to the Sun Industry Standards
*  Source License Version 1.2 (the "License"); You may not use this file
*  except in compliance with the License. You may obtain a copy of the
*  License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
*
*  Software provided under this License is provided on an "AS IS" basis,
*  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
*  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
*  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
*  See the License for the specific provisions governing your rights and
*  obligations concerning the Software.
*
*  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
*  Copyright: 2001 by Sun Microsystems, Inc.
*
*  All Rights Reserved.
*
************************************************************************/
/*___INFO__MARK_END__*/
package com.sun.grid.installer.gui;

import java.text.MessageFormat;
import java.util.Properties;
import javax.swing.JOptionPane;
import javax.swing.JTable;
import javax.swing.event.TableModelEvent;

public class HostSelectionTableModel extends SortedTableModel implements HostTableModel {

    final private String[] headers;
    final private Class[] types;

    private HostList hostList;
    private JTable table;

    private Properties langProperties;

    // To ensure the qmaster host singularity among diff. tables, default: no qmaster
    private static Host qmasterHost = null;

    // To ensure the Berkeley db host singularity among diff. tables, default: no bdb server
    private static Host bdbHost = null;

    public HostSelectionTableModel(JTable table, HostList hostList, String [] headers, Class[] types, Properties langProperties) {
        super(new Object[][]{}, headers);
        this.table = table;
        this.headers = headers;
        this.types = types;
        this.hostList = hostList;
        this.langProperties = langProperties;

        qmasterHost = null;
        bdbHost = null;
    }

    @Override
    public int getColumnCount() {
        return headers.length;
    }

    @Override
    public int getRowCount() {
        return (hostList == null) ? 0 : hostList.size();
    }

    public static Host getQmasterHost() {
        return qmasterHost;
    }

    public static Host getBdbHost() {
        return bdbHost;
    }

    @Override
    public Object getValueAt(int row, int col) {
        row = getSortedRowIndex(row);
        if (row >= hostList.size()) {
            return null;
        }

        Host h = hostList.get(row);

        switch (col) {
            case 0: return h.getHostname();
            case 1: return h.getIp();
            case 2: return h.getArchitecture();
            case 3: return h.isQmasterHost();
            case 4: return h.isShadowHost();
            case 5: return h.isExecutionHost();
            case 6: { // Show only if it is an ececution host
                if (h.isExecutionHost()) {
                    return h.getSpoolDir();
                } else {
                    return "";
                }
            }
            case 7: return h.isAdminHost();
            case 8: return h.isSubmitHost();
            case 9: return h.isBdbHost();
            case 10: return h.getState();
            default: throw new IndexOutOfBoundsException("Invalid index rowIndex="+row+" columnIndex="+col);
        }
    }
   
    @Override
    public void setValueAt(Object aValue, int row, int col) {
        row = getSortedRowIndex(row);

        Host h = hostList.get(row);

        switch (col) {
            case 0: h.setHostname((String)aValue); break;
            case 1: h.setIp((String) aValue); break;
            case 2: h.setArchitecture((String) aValue); break;
            case 3: {
                /* Enable to set only if a Qmaster host hasn't been selected yet or
                 * that's itself.
                 */
                boolean bValue = ((Boolean)aValue).booleanValue();
                if (qmasterHost == null || qmasterHost.equals(h)) {
                    h.setQmasterHost(bValue);
                    if (!bValue) {
                        qmasterHost = null;
                    } else {
                        // Qmaster is always admin and submit host
                        h.setAdminHost(true);
                        //h.setSubmitHost(true);

                        fireTableCellUpdated(row, 7);
                        //fireTableCellUpdated(row, 8);
                       
                        qmasterHost = h;
                    }
                }
                break;
            }
            case 4: h.setShadowHost(((Boolean)aValue).booleanValue()); break;
            case 5: h.setExecutionHost(((Boolean)aValue).booleanValue()); break;
            case 6: h.setSpoolDir((String)aValue); break;
            case 7: h.setAdminHost(((Boolean)aValue).booleanValue()); break;
            case 8: h.setSubmitHost(((Boolean)aValue).booleanValue()); break;
            case 9: {
                /* Enable to set only if a Berkeley db host hasn't been selected yet or
                 * that's itself.
                 */
                boolean bValue = ((Boolean)aValue).booleanValue();
                if (bdbHost == null || bdbHost.equals(h)) {
                    h.setBdbHost(bValue);
                    if (!bValue) {
                        bdbHost = null;
                    } else {
                        bdbHost = h;
                    }
                }
                break;
            }
            case 10: h.setState((Host.State) aValue); break;
            default: throw new IndexOutOfBoundsException("Invalid index rowIndex="+row+" columnIndex="+col);
        }

        fireTableCellUpdated(row, col);

        // Update execd spool dir column too regarding to execd component selection
        if (col == 5) {
            fireTableCellUpdated(row, 6);
        }
    }

    @Override
    public Class getColumnClass(int columnIndex) {
        return types[columnIndex];
    }

    @Override
    public boolean isCellEditable(int row, int col) {
        row = getSortedRowIndex(row);
        Host h = hostList.get(row);
       
        switch (col) {
            case 3: {
                // if there is already a qmaster host and it's not the selected host...
                if (qmasterHost != null && !qmasterHost.equals(h)) {
                    // ...ask whether the user want to change qmaster host selection
                    String message = MessageFormat.format(langProperties.getProperty("msg.qmasterhost.already.selected"), h.getHostname(), qmasterHost.getHostname());
                    if (JOptionPane.YES_OPTION == JOptionPane.showConfirmDialog(table, message,
                            langProperties.getProperty("title.confirmation"), JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE)) {
                        qmasterHost.setQmasterHost(false);
                        fireTableCellUpdated(getRowIndex(hostList.indexOf(qmasterHost)), col);

                        h.setQmasterHost(true);
                        h.setAdminHost(true);
                        //h.setSubmitHost(true);
                       
                        fireTableCellUpdated(row, col);

                        qmasterHost = h;
                        return true;
                    } else {
                        return false;
                    }
                } else {
                    return true;
                }
            }
            case 4:
            case 5:
            case 6:
            case 8: return true;
            case 7: {
                if (qmasterHost != null && qmasterHost.equals(h)) {
                    String message = langProperties.getProperty("msg.qmaster.hastobe.admin.submit");

                    JOptionPane.showMessageDialog(table, message, langProperties.getProperty("installer.warning"), JOptionPane.WARNING_MESSAGE);

                    return false;
                } else {
                    return true;
                }
            }
            case 9: {
                // if there is already a bdb host and it's not the selected host...
                if (bdbHost != null && !bdbHost.equals(h)) {
                    // ...ask whether the user want to change bdb host selection
                    String message = MessageFormat.format(langProperties.getProperty("msg.bdbhost.already.selected"), h.getHostname(), bdbHost.getHostname());
                    if (JOptionPane.YES_OPTION == JOptionPane.showConfirmDialog(table, message,
                            langProperties.getProperty("title.confirmation"), JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE)) {
                        bdbHost.setBdbHost(false);
                        fireTableCellUpdated(getRowIndex(hostList.indexOf(bdbHost)), col);

                        h.setBdbHost(true);
                        fireTableCellUpdated(row, col);

                        bdbHost = h;
                        return true;
                    } else {
                        return false;
                    }
                } else {
                    return true;
                }
            }
            default: return false;
        }
    }   

    public boolean removeAll() {
        boolean result = hostList.removeAll(hostList);

        sortedIndexes = null;

        qmasterHost = null;
        bdbHost = null;
       
        fireTableDataChanged();
        return result;
    }

    public void setHostState(Host h, Host.State state) {
        h.setState(state);

        int index = hostList.indexOf(h);
        if (index == -1) {
            return;
        }
       
        int row = getRowIndex(index);
        if (row == -1 || row >= hostList.size()) {
            return;
        }

        if (row > -1) {
            fireTableCellUpdated(row, 4);
        }
    }

    public Host addHost(Host h) {
        int row = hostList.size();

        h = hostList.addHost(h);

        if (h != null) {
            if (h.isQmasterHost()) {
                if (qmasterHost != null && !qmasterHost.equals(h)) {
                    h.setQmasterHost(false);
                } else {
                    qmasterHost = h;

                    //Set admin/submit components by default to qmaster host
                    h.setAdminHost(true);
                    h.setSubmitHost(true);
                }
            }

            if (h.isBdbHost()) {
                if (bdbHost != null && !bdbHost.equals(h)) {
                    h.setBdbHost(false);
                } else {
                    bdbHost = h;
                }
            }

            fireTableRowsInserted(row, row);
        }

        return h;
    }

    public void removeHost(Host h) {
        int row = getRowIndex(hostList.indexOf(h));
        if (row == -1 || row >= hostList.size()) {
            return;
        }
       
        if (!hostList.removeUnchecked(h)) {
            return;
        }

        if (h.equals(qmasterHost)) {
            qmasterHost = null;
        }

        if (h.equals(bdbHost)) {
            bdbHost = null;
        }

        if (row > -1) {
            reSort();

            fireTableRowsDeleted(row, row);
            fireTableChanged(new TableModelEvent(this));
        }
    }

    public void setHostLog(Host h, String log) {
        h.setLogContent(log);
    }

    public HostList getHostList() {
        return hostList;
    }
}
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