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 / feature / FeatureStoreTransforms.java @ 44501
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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.feature; |
25 | |||
26 | import java.util.Iterator; |
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27 | |||
28 | import org.gvsig.fmap.dal.exception.DataException; |
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29 | import org.gvsig.tools.lang.Cloneable; |
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30 | |||
31 | /**
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32 | * This interface represents a container for store transforms.
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33 | *
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34 | * Provides access to transforms by index and by iterator, and also allows
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35 | * adding and removing transforms.
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36 | *
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37 | */
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38 | 43215 | jjdelcerro | public interface FeatureStoreTransforms extends Cloneable, Iterable<FeatureStoreTransform> { |
39 | 40435 | jjdelcerro | |
40 | /**
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41 | * Returns the FeatureStoreTransform given its index.
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42 | *
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43 | * @param index
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44 | * a position in this FeatureStoreTransforms
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45 | *
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46 | * @return
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47 | * the FeatureStoreTransform that is stored in the given index.
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48 | */
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49 | public FeatureStoreTransform getTransform(int index); |
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50 | |||
51 | /**
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52 | * Adds a FeatureStoreTransform to this container.
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53 | *
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54 | * @param transform
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55 | * the FeatureStoreTransform to add
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56 | *
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57 | * @return
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58 | * the added FeatureStoreTransform
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59 | *
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60 | * @throws DataException
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61 | */
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62 | public FeatureStoreTransform add(FeatureStoreTransform transform)
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63 | throws DataException;
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64 | |||
65 | /**
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66 | * Returns the number of FeatureStoreTransforms stored in this container
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67 | *
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68 | * @return
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69 | * number of FeatureStoreTransforms stored in this container
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70 | */
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71 | public int size(); |
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72 | |||
73 | /**
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74 | * Indicates whether this container is empty.
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75 | *
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76 | * @return
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77 | * true if this container is empty, false if not
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78 | */
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79 | public boolean isEmpty(); |
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80 | |||
81 | /**
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82 | * Returns an iterator over this container elements.
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83 | *
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84 | * @return
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85 | * an iterator over this container elements.
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86 | */
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87 | 43215 | jjdelcerro | @Override
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88 | public Iterator<FeatureStoreTransform> iterator(); |
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89 | 40435 | jjdelcerro | |
90 | /**
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91 | * Empties this container.
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92 | *
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93 | */
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94 | public void clear(); |
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95 | |||
96 | /**
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97 | * Removes the {@link FeatureStoreTransform} given its index.
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98 | *
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99 | * @param index
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100 | * the position of the {@link FeatureStoreTransform} to remove.
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101 | * @return
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102 | * the removed object
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103 | */
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104 | public Object remove(int index); |
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105 | |||
106 | /**
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107 | * Removes the given {@link FeatureStoreTransform}.
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108 | *
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109 | * @param transform
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110 | * {@link FeatureStoreTransform} to remove
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111 | * @return
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112 | * true if the transform was successfully removed, false if not.
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113 | */
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114 | public boolean remove(FeatureStoreTransform transform); |
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115 | |||
116 | /**
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117 | * Retruns true if any {@link FeatureStoreTransform} make changes of any
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118 | * previous attributes values.<br>
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119 | *
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120 | * If all {@link FeatureStoreTransform} affects only to attributes defition,
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121 | * the {@link FeatureSet} performance can be better.
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122 | *
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123 | * @return
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124 | */
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125 | public boolean isTransformsOriginalValues(); |
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126 | |||
127 | } |