svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.api / src / main / java / org / gvsig / fmap / dal / resource / ResourceNotification.java @ 44154
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | *
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4 | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 3
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | */
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24 | 40435 | jjdelcerro | package org.gvsig.fmap.dal.resource; |
25 | |||
26 | |||
27 | /**
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28 | * A resource notification is related to a change in the state of a resource.
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29 | * It is sent to all resource observers when appropriate. The notification contains
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30 | * the type of change and access to the resource information.
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31 | *
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32 | * This includes:
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33 | *
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34 | * <ul>
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35 | * <li>A resource has been opened</li>
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36 | * <li>A resource has been closed</li>
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37 | * <li>A resource has been prepared</li>
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38 | * <li>A resource property has been changed</li>
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39 | * <li>A resource is being disposed</li>
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40 | * <li>A resource is being opened</li>
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41 | * <li>A resource is being closed</li>
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42 | * </ul>
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43 | *
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44 | * @author jmvivo
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45 | */
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46 | public interface ResourceNotification { |
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47 | |||
48 | /** A resource has been opened */
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49 | public static final String OPENED = "Opened_Resource"; |
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50 | /** A resource has been closed */
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51 | public static final String CLOSED = "Closed_Resource"; |
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52 | /** A resource has been prepared */
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53 | public static final String PREPARE = "Prepare_Resource"; |
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54 | /** A resource property has been changed */
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55 | public static final String CHANGED = "Changed_Resource"; |
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56 | /** A resource is being disposed */
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57 | public static final String DISPOSE = "Begin_Dispose_Resource"; |
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58 | /** A resource is being opened */
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59 | public static final String OPEN = "Begin_Open_Resource"; |
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60 | /** A resource is being closed */
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61 | public static final String CLOSE = "Begin_Close_Resource"; |
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62 | |||
63 | /**
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64 | * Returns the parameters of the resource that caused
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65 | * this notification.
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66 | *
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67 | * @return
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68 | * the parameters of this notification's source
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69 | */
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70 | public ResourceParameters getParameters();
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71 | |||
72 | /**
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73 | * Returns the resource that caused this notification.
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74 | *
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75 | * @return
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76 | * this notification's source
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77 | */
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78 | public Resource getResource();
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79 | |||
80 | /**
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81 | * Returns the type of this notification.
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82 | *
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83 | * @return
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84 | * this notification's type. For the allowed values see the
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85 | * constants defined in this interface.
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86 | */
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87 | public String getType(); |
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88 | |||
89 | } |