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 @ 44198
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package org.gvsig.expresionevaluator.impl; |
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import static junit.framework.Assert.assertEquals; |
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import junit.framework.TestCase; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.expressionevaluator.Code; |
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import org.gvsig.expressionevaluator.ExpressionBuilder; |
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import org.gvsig.expressionevaluator.ExpressionBuilder.GeometrySupportType; |
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import org.gvsig.expressionevaluator.LexicalAnalyzer; |
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import org.gvsig.expressionevaluator.impl.DefaultCompiler; |
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import org.gvsig.expressionevaluator.impl.DefaultExpressionBuilder; |
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import org.gvsig.expressionevaluator.impl.SQLLexicalAnalyzer; |
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import org.gvsig.fmap.crs.CRSFactory; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.geom.primitive.Polygon; |
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import org.gvsig.tools.library.impl.DefaultLibrariesInitializer; |
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import org.gvsig.expressionevaluator.Compiler; |
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import org.gvsig.expressionevaluator.ExpressionBuilder.Value; |
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import org.gvsig.expressionevaluator.Interpreter; |
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import org.gvsig.expressionevaluator.MutableSymbolTable; |
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import org.gvsig.expressionevaluator.SymbolTable; |
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import org.gvsig.expressionevaluator.impl.DefaultInterpreter; |
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import org.gvsig.expressionevaluator.impl.DefaultSymbolTable; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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public class TestCase1 extends TestCase { |
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public TestCase1(String testName) { |
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super(testName);
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} |
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@Override
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protected void setUp() throws Exception { |
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super.setUp();
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new DefaultLibrariesInitializer().fullInitialize();
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} |
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@Override
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protected void tearDown() throws Exception { |
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super.tearDown();
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} |
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// TODO add test methods here. The name must begin with 'test'. For example:
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// public void testHello() {}
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protected LexicalAnalyzer createLexicalAnalyzer() {
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SQLLexicalAnalyzer lexer = new SQLLexicalAnalyzer();
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return lexer;
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} |
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protected Compiler createCompiler() { |
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Compiler compiler = new DefaultCompiler(); |
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compiler.setLexicalAnalyzer(createLexicalAnalyzer()); |
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return compiler;
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} |
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protected MutableSymbolTable createSymbolTable() {
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DefaultSymbolTable symbolTable = new DefaultSymbolTable();
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return symbolTable;
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} |
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protected Interpreter createInterpreter(SymbolTable symbolTable) {
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Interpreter interpreter = new DefaultInterpreter();
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interpreter.setSymbolTable(symbolTable); |
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return interpreter;
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} |
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private String createExpr1() { |
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ExpressionBuilder builder = new DefaultExpressionBuilder();
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Value expr1 = builder.gt( |
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builder.column("campo1"),
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builder.constant(10)
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); |
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System.out.println(expr1.toString());
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assertEquals( |
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"( (\"campo1\") > (10) )",
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expr1.toString() |
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); |
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return expr1.toString();
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} |
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private Polygon createPolygon() throws CreateGeometryException { |
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GeometryManager geometryManager = GeometryLocator.getGeometryManager(); |
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IProjection proj = CRSFactory.getCRS("EPSG:4326");
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Polygon polygon = geometryManager.createPolygon(Geometry.SUBTYPES.GEOM2D);
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polygon.addVertex(0, 0); |
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polygon.addVertex(0, 100); |
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polygon.addVertex(100, 100); |
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polygon.addVertex(100, 0); |
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polygon.addVertex(0, 0); |
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polygon.setProjection(proj); |
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return polygon;
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} |
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private Geometry createPoint(double x, double y) throws CreateGeometryException { |
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GeometryManager geometryManager = GeometryLocator.getGeometryManager(); |
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IProjection proj = CRSFactory.getCRS("EPSG:4326");
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Point point = geometryManager.createPoint(x, y, Geometry.SUBTYPES.GEOM2D);
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point.setProjection(proj); |
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return point;
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} |
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public void testBuildExpression() throws Exception { |
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ExpressionBuilder builder = new DefaultExpressionBuilder();
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Value expr2 = builder.and( |
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builder.custom(this.createExpr1()),
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builder.ST_Intersects( |
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builder.geometry(createPolygon()), |
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builder.column("GEOMETRY")
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) |
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); |
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builder.geometry_support_type(GeometrySupportType.WKT); |
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System.out.println(expr2.toString());
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assertEquals( |
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"( (\"campo1\") > (10) ) AND ST_Intersects((ST_GeomFromText(('POLYGON ((0 0, 0 100, 100 100, 100 0, 0 0))'), (4326))), (\"GEOMETRY\"))",
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expr2.toString() |
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); |
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builder.geometry_support_type(GeometrySupportType.WKB); |
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System.out.println(expr2.toString());
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assertEquals( |
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"( (\"campo1\") > (10) ) AND ST_Intersects((ST_GeomFromWKB((DECODE('000000000300000001000000050000000000000000000000000000000000000000000000004059000000000000405900000000000040590000000000004059000000000000000000000000000000000000000000000000000000000000','hex')), (4326))), (\"GEOMETRY\"))",
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expr2.toString() |
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); |
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} |
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public void testCompileExpression() throws Exception { |
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IProjection proj = CRSFactory.getCRS("EPSG:4326");
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ExpressionBuilder builder = new DefaultExpressionBuilder();
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Value expr2 = builder.and( |
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builder.custom(this.createExpr1()),
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builder.ST_Intersects( |
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builder.geometry(createPolygon()), |
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builder.column("GEOMETRY")
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) |
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); |
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Compiler compiler = createCompiler();
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Code code; |
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builder.geometry_support_type(GeometrySupportType.WKT); |
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code = compiler.compileExpression(expr2.toString()); |
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System.out.println(code.toString());
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assertEquals( |
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"((\"campo1\" > 10) AND ST_Intersects(ST_GeomFromText('POLYGON ((0 0, 0 100, 100 100, 100 0, 0 0))', 4326), \"GEOMETRY\"))",
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code.toString() |
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); |
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builder.geometry_support_type(GeometrySupportType.WKB); |
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code = compiler.compileExpression(expr2.toString()); |
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System.out.println(code.toString());
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assertEquals( |
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"((\"campo1\" > 10) AND ST_Intersects(ST_GeomFromWKB(DECODE('000000000300000001000000050000000000000000000000000000000000000000000000004059000000000000405900000000000040590000000000004059000000000000000000000000000000000000000000000000000000000000', 'hex'), 4326), \"GEOMETRY\"))",
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code.toString() |
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); |
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} |
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public void testRunExpression() throws Exception { |
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ExpressionBuilder builder = new DefaultExpressionBuilder();
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builder.geometry_support_type(GeometrySupportType.WKB); |
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String expr2 = builder.and(
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builder.custom(this.createExpr1()),
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builder.ST_Intersects( |
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builder.geometry(createPolygon()), |
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builder.column("GEOMETRY")
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) |
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).toString(); |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(expr2); |
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MutableSymbolTable symbolTable = createSymbolTable(); |
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Interpreter interpreter = createInterpreter(symbolTable); |
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Object v;
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symbolTable.setVar("campo1", 11); |
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symbolTable.setVar("GEOMETRY", createPoint(50, 50)); |
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v = interpreter.run(code); |
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assertEquals(true, ((Boolean)v).booleanValue()); |
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symbolTable.setVar("campo1", 9); |
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symbolTable.setVar("GEOMETRY", createPoint(50, 50)); |
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v = interpreter.run(code); |
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assertEquals(false, ((Boolean)v).booleanValue()); |
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symbolTable.setVar("campo1", 11); |
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symbolTable.setVar("GEOMETRY", createPoint(150, 50)); |
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v = interpreter.run(code); |
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assertEquals(false, ((Boolean)v).booleanValue()); |
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} |
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} |