Statistics
| Revision:

svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.expressionevaluator / org.gvsig.expressionevaluator.lib / org.gvsig.expressionevaluator.lib.impl / src / test / java / org / gvsig / expresionevaluator / impl / TestCase1.java @ 44009

History | View | Annotate | Download (8.07 KB)

1 44006 jjdelcerro
package org.gvsig.expresionevaluator.impl;
2 43128 jjdelcerro
3 44006 jjdelcerro
import static junit.framework.Assert.assertEquals;
4
import junit.framework.TestCase;
5 43128 jjdelcerro
import org.cresques.cts.IProjection;
6 44006 jjdelcerro
import org.gvsig.expressionevaluator.Code;
7
import org.gvsig.expressionevaluator.ExpressionBuilder;
8
import org.gvsig.expressionevaluator.ExpressionBuilder.Config;
9
import org.gvsig.expressionevaluator.ExpressionBuilder.GeometrySupportType;
10
import org.gvsig.expressionevaluator.LexicalAnalyzer;
11
import org.gvsig.expressionevaluator.impl.DefaultCompiler;
12
import org.gvsig.expressionevaluator.impl.DefaultExpressionBuilder;
13
import org.gvsig.expressionevaluator.impl.SQLLexicalAnalyzer;
14 43128 jjdelcerro
import org.gvsig.fmap.crs.CRSFactory;
15
import org.gvsig.fmap.geom.Geometry;
16
import org.gvsig.fmap.geom.GeometryLocator;
17
import org.gvsig.fmap.geom.GeometryManager;
18
import org.gvsig.fmap.geom.primitive.Point;
19 44006 jjdelcerro
import org.gvsig.fmap.geom.primitive.Polygon;
20
import org.gvsig.tools.library.impl.DefaultLibrariesInitializer;
21
import org.gvsig.expressionevaluator.Compiler;
22
import org.gvsig.expressionevaluator.ExpressionBuilder.Value;
23
import org.gvsig.expressionevaluator.Interpreter;
24
import org.gvsig.expressionevaluator.MutableSymbolTable;
25
import org.gvsig.expressionevaluator.SymbolTable;
26
import org.gvsig.expressionevaluator.impl.DefaultInterpreter;
27
import org.gvsig.expressionevaluator.impl.DefaultSymbolTable;
28
import org.gvsig.fmap.geom.exception.CreateGeometryException;
29 43128 jjdelcerro
30 44006 jjdelcerro
public class TestCase1 extends TestCase {
31
32
    public TestCase1(String testName) {
33
        super(testName);
34
    }
35
36 43128 jjdelcerro
    @Override
37 44006 jjdelcerro
    protected void setUp() throws Exception {
38
        super.setUp();
39
        new DefaultLibrariesInitializer().fullInitialize();
40
    }
41 43128 jjdelcerro
42 44006 jjdelcerro
    @Override
43
    protected void tearDown() throws Exception {
44
        super.tearDown();
45 43128 jjdelcerro
    }
46 44006 jjdelcerro
47
    // TODO add test methods here. The name must begin with 'test'. For example:
48
    // public void testHello() {}
49 43128 jjdelcerro
50 44006 jjdelcerro
    protected LexicalAnalyzer createLexicalAnalyzer() {
51
        SQLLexicalAnalyzer lexer = new SQLLexicalAnalyzer();
52
        return lexer;
53 43128 jjdelcerro
    }
54
55 44006 jjdelcerro
    protected Compiler createCompiler() {
56
        Compiler compiler = new DefaultCompiler();
57
        compiler.setLexicalAnalyzer(createLexicalAnalyzer());
58
        return compiler;
59 43128 jjdelcerro
    }
60 44006 jjdelcerro
    protected MutableSymbolTable createSymbolTable() {
61
        DefaultSymbolTable symbolTable = new DefaultSymbolTable();
62
        return symbolTable;
63
    }
64 43128 jjdelcerro
65 44006 jjdelcerro
    protected Interpreter createInterpreter(SymbolTable symbolTable) {
66
        Interpreter interpreter = new DefaultInterpreter();
67
        interpreter.setSymbolTable(symbolTable);
68
        return interpreter;
69
    }
70
71
    private String createExpr1() {
72
        ExpressionBuilder builder = new DefaultExpressionBuilder();
73 43128 jjdelcerro
74 44006 jjdelcerro
        Value expr1 = builder.gt(
75
                builder.column("campo1"),
76
                builder.constant(10)
77 43128 jjdelcerro
        );
78 44006 jjdelcerro
        System.out.println(expr1.toString());
79 43128 jjdelcerro
        assertEquals(
80 44006 jjdelcerro
                "( (\"campo1\") > (10) )",
81
                expr1.toString()
82 43128 jjdelcerro
        );
83 44006 jjdelcerro
        return expr1.toString();
84 43128 jjdelcerro
    }
85 44006 jjdelcerro
86
    private Polygon createPolygon() throws CreateGeometryException {
87
        GeometryManager geometryManager = GeometryLocator.getGeometryManager();
88
        IProjection proj = CRSFactory.getCRS("EPSG:4326");
89
90
        Polygon polygon = geometryManager.createPolygon(Geometry.SUBTYPES.GEOM2D);
91
        polygon.addVertex(0, 0);
92
        polygon.addVertex(0, 100);
93
        polygon.addVertex(100, 100);
94
        polygon.addVertex(100, 0);
95
        polygon.addVertex(0, 0);
96
97
        polygon.setProjection(proj);
98
        return polygon;
99
    }
100 43128 jjdelcerro
101 44006 jjdelcerro
    private Geometry createPoint(double x, double y) throws CreateGeometryException {
102 43128 jjdelcerro
        GeometryManager geometryManager = GeometryLocator.getGeometryManager();
103
        IProjection proj = CRSFactory.getCRS("EPSG:4326");
104 44006 jjdelcerro
        Point point = geometryManager.createPoint(x, y, Geometry.SUBTYPES.GEOM2D);
105
        point.setProjection(proj);
106
        return point;
107
    }
108
109
    public void testBuildExpression() throws Exception {
110
        ExpressionBuilder builder = new DefaultExpressionBuilder();
111 43128 jjdelcerro
112 44006 jjdelcerro
        Value expr2 = builder.and(
113
                builder.custom(this.createExpr1()),
114
                builder.ST_Intersects(
115
                        builder.geometry(createPolygon()),
116
                        builder.column("GEOMETRY")
117
                )
118 43128 jjdelcerro
        );
119
        builder.getConfig().set(Config.geometry_type_support, GeometrySupportType.WKT);
120 44006 jjdelcerro
        System.out.println(expr2.toString());
121 43128 jjdelcerro
        assertEquals(
122 44006 jjdelcerro
                "( (\"campo1\") > (10) ) AND ST_Intersects((ST_GeomFromText('POLYGON ((0 0, 0 100, 100 100, 100 0, 0 0))', (4326))), (\"GEOMETRY\"))",
123
                expr2.toString()
124 43128 jjdelcerro
        );
125
        builder.getConfig().set(Config.geometry_type_support, GeometrySupportType.WKB);
126 44006 jjdelcerro
        System.out.println(expr2.toString());
127 43128 jjdelcerro
        assertEquals(
128 44006 jjdelcerro
                "( (\"campo1\") > (10) ) AND ST_Intersects((ST_GeomFromWKB((DECODE('000000000300000001000000050000000000000000000000000000000000000000000000004059000000000000405900000000000040590000000000004059000000000000000000000000000000000000000000000000000000000000','hex')), (4326))), (\"GEOMETRY\"))",
129
                expr2.toString()
130 43128 jjdelcerro
        );
131
    }
132 44006 jjdelcerro
133
    public void testCompileExpression() throws Exception {
134 43128 jjdelcerro
        IProjection proj = CRSFactory.getCRS("EPSG:4326");
135 44006 jjdelcerro
        ExpressionBuilder builder = new DefaultExpressionBuilder();
136 43128 jjdelcerro
137 44006 jjdelcerro
        Value expr2 = builder.and(
138
              builder.custom(this.createExpr1()),
139
              builder.ST_Intersects(
140
                builder.geometry(createPolygon()),
141
                builder.column("GEOMETRY")
142
              )
143 43128 jjdelcerro
        );
144
145 44006 jjdelcerro
        Compiler compiler = createCompiler();
146
        Code code;
147
148
        builder.getConfig().set(Config.geometry_type_support, GeometrySupportType.WKT);
149
        code = compiler.compileExpression(expr2.toString());
150
        System.out.println(code.toString());
151 43128 jjdelcerro
        assertEquals(
152 44006 jjdelcerro
                "and(>(\"campo1\", 10), ST_Intersects(ST_GeomFromText('POLYGON ((0 0, 0 100, 100 100, 100 0, 0 0))', 4326), \"GEOMETRY\"))",
153
                code.toString()
154 43128 jjdelcerro
        );
155 44006 jjdelcerro
156
        builder.getConfig().set(Config.geometry_type_support, GeometrySupportType.WKB);
157
        code = compiler.compileExpression(expr2.toString());
158
        System.out.println(code.toString());
159 43128 jjdelcerro
        assertEquals(
160 44006 jjdelcerro
                "and(>(\"campo1\", 10), ST_Intersects(ST_GeomFromWKB(DECODE('000000000300000001000000050000000000000000000000000000000000000000000000004059000000000000405900000000000040590000000000004059000000000000000000000000000000000000000000000000000000000000', 'hex'), 4326), \"GEOMETRY\"))",
161
                code.toString()
162 43128 jjdelcerro
        );
163 44006 jjdelcerro
164 43128 jjdelcerro
    }
165 44006 jjdelcerro
166
    public void testRunExpression() throws Exception {
167
168
        ExpressionBuilder builder = new DefaultExpressionBuilder();
169
        builder.getConfig().set(Config.geometry_type_support, GeometrySupportType.WKB);
170 43128 jjdelcerro
171 44006 jjdelcerro
        String expr2 = builder.and(
172
            builder.custom(this.createExpr1()),
173
            builder.ST_Intersects(
174
              builder.geometry(createPolygon()),
175
              builder.column("GEOMETRY")
176
            )
177
        ).toString();
178 43128 jjdelcerro
179 44006 jjdelcerro
        Compiler compiler = createCompiler();
180
        Code code = compiler.compileExpression(expr2);
181
182
        MutableSymbolTable symbolTable = createSymbolTable();
183
        Interpreter interpreter = createInterpreter(symbolTable);
184
        Object v;
185 43128 jjdelcerro
186 44006 jjdelcerro
        symbolTable.setVar("campo1", 11);
187
        symbolTable.setVar("GEOMETRY", createPoint(50, 50));
188
        v = interpreter.run(code);
189
        assertEquals(true, ((Boolean)v).booleanValue());
190
191
        symbolTable.setVar("campo1", 9);
192
        symbolTable.setVar("GEOMETRY", createPoint(50, 50));
193
        v = interpreter.run(code);
194
        assertEquals(false, ((Boolean)v).booleanValue());
195
196
        symbolTable.setVar("campo1", 11);
197
        symbolTable.setVar("GEOMETRY", createPoint(150, 50));
198
        v = interpreter.run(code);
199
        assertEquals(false, ((Boolean)v).booleanValue());
200 43128 jjdelcerro
    }
201 44006 jjdelcerro
202 43128 jjdelcerro
}