svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.api / src / main / java / org / gvsig / fmap / geom / type / GeometryType.java @ 40559
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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.geom.type; |
25 | |||
26 | import org.gvsig.fmap.geom.Geometry; |
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27 | import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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28 | import org.gvsig.fmap.geom.operation.GeometryOperation; |
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29 | |||
30 | /**
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31 | * This class represents the type of a geometry. All the geometries
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32 | * has to have a type that can be retrieved using the
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33 | * {@link Geometry}{@link #getGeometryType()} method.
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34 | *
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35 | * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>
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36 | */
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37 | public interface GeometryType { |
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38 | |||
39 | /**
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40 | * @return the name of the geometry type.
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41 | */
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42 | public String getName(); |
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43 | |||
44 | /**
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45 | * @return the type of the geometry. It is a constant value
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46 | * that has to be one of the values in {@link Geometry.TYPES}
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47 | * The type is an abstract representation of the object (Point, Curve...)
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48 | * but it is not a concrete representation (Point2D, Point3D...).
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49 | */
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50 | public int getType(); |
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51 | |||
52 | /**
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53 | * @return the subtype of the geometry. It is a constant value
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54 | * that has to be one of the values in {@link Geometry.SUBTYPES}.
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55 | * The subtype represents a set of geometries with a
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56 | * dimensional relationship (2D, 3D, 2DM...)
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57 | */
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58 | public int getSubType(); |
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59 | |||
60 | /**
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61 | * Check if a geometry type inherits of other type. E.g:
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62 | * the super type of an arc could be a a curve, the super
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63 | * type of a circle could be a surface...
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64 | * @param geometryType
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65 | * the value of the {@link Geometry.TYPES} to check if is
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66 | * it super type
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67 | * @return
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68 | * <true> if the the parameter is a super type of this
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69 | * geometry type
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70 | */
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71 | public boolean isTypeOf(int geometryType); |
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72 | |||
73 | /**
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74 | * Check if a geometry subType inherits of other subType. E.g:
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75 | * the super Subtype of a geometry 3D could be a geometry 2D,
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76 | * because the 3D extends the behavior of a geometry 2D.
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77 | * @param geometrySubType
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78 | * the value of the {@link Geometry.SUBTYPES} to check if is
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79 | * it super subType
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80 | * @return
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81 | * <true> if the the parameter is a super subType of this
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82 | * geometry type
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83 | */
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84 | public boolean isSubTypeOf(int geometrySubType); |
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85 | |||
86 | /**
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87 | * Check if a geometry type inherits of other type. E.g:
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88 | * the super type of an arc could be a a curve, the super
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89 | * type of a circle could be a surface...
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90 | *
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91 | * @param geometryType
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92 | * the geometry type to check if is it super type
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93 | * @return
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94 | * if the the parameter is a super type of this
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95 | * geometry type
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96 | */
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97 | public boolean isTypeOf(GeometryType geometryType); |
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98 | |||
99 | /**
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100 | * Check if a geometry subType inherits of other subType. E.g:
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101 | * the super Subtype of a geometry 3D could be a geometry 2D,
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102 | * because the 3D extends the behavior of a geometry 2D.
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103 | *
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104 | * @param geometryType
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105 | * the geometry type to check if is it super subtype
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106 | * @return
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107 | * if the the parameter is a super subType of this
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108 | * geometry type
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109 | */
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110 | public boolean isSubTypeOf(GeometryType geometryType); |
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111 | |||
112 | /**
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113 | * This method creates a {@link Geometry} with the type specified
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114 | * by this class. The geometry is empty, and all the internal
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115 | * attributes must be assigned to a value when the geometry has
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116 | * been created.
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117 | *
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118 | * @return
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119 | * A empty geometry
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120 | * @throws InstantiationException
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121 | * This exception is maybe thrown when the application is trying
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122 | * to instantiate the geometry
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123 | * @throws IllegalAccessException
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124 | * This exception is maybe thrown when the application is trying
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125 | * to instantiate the geometry
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126 | */
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127 | public Geometry create() throws CreateGeometryException; |
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128 | |||
129 | /**
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130 | * Registers an operation for this geometry type.
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131 | * @param index
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132 | * @param geomOp
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133 | */
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134 | public void setGeometryOperation(int index, GeometryOperation geomOp); |
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135 | |||
136 | /**
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137 | * Get the operation for this geometry at a concrete position
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138 | * @param index
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139 | * The position of the operation
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140 | * @return
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141 | * A geometry operation
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142 | */
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143 | public GeometryOperation getGeometryOperation(int index); |
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144 | |||
145 | /**
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146 | * @return the geometry as a String
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147 | */
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148 | public String toString(); |
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149 | |||
150 | } |