svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.h2spatial / org.gvsig.h2spatial.h2gis132 / org.gvsig.h2spatial.h2gis132.provider / src / test / java / org / gvsig / fmap / dal / store / h2 / operations / sql / TestSTDistance.java @ 45649
History | View | Annotate | Download (3.71 KB)
1 |
package org.gvsig.fmap.dal.store.h2.operations.sql; |
---|---|
2 |
|
3 |
import java.util.List; |
4 |
import junit.framework.TestCase; |
5 |
import org.cresques.cts.IProjection; |
6 |
import org.gvsig.expressionevaluator.Expression; |
7 |
import org.gvsig.expressionevaluator.ExpressionUtils; |
8 |
import org.gvsig.expressionevaluator.GeometryExpressionBuilder; |
9 |
import org.gvsig.fmap.crs.CRSFactory; |
10 |
import org.gvsig.fmap.dal.DALLocator; |
11 |
import org.gvsig.fmap.dal.DataManager; |
12 |
import org.gvsig.fmap.dal.DataQuery; |
13 |
import org.gvsig.fmap.dal.expressionevaluator.DALExpressionBuilder; |
14 |
import org.gvsig.fmap.dal.feature.FeatureQuery; |
15 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
16 |
import org.gvsig.fmap.dal.feature.FeatureType; |
17 |
import org.gvsig.fmap.dal.store.h2.TestUtils; |
18 |
import org.gvsig.fmap.dal.store.jdbc2.JDBCHelper; |
19 |
import org.gvsig.fmap.dal.store.jdbc2.OperationsFactory; |
20 |
import org.gvsig.fmap.dal.store.jdbc2.OperationsFactory.TableReference; |
21 |
import org.gvsig.fmap.dal.store.jdbc2.spi.JDBCSQLBuilderBase; |
22 |
import org.gvsig.fmap.dal.store.jdbc2.spi.operations.ResultSetForSetProviderOperation; |
23 |
import org.gvsig.fmap.geom.Geometry; |
24 |
import org.gvsig.fmap.geom.GeometryUtils; |
25 |
import org.gvsig.fmap.geom.primitive.Point; |
26 |
import org.gvsig.tools.library.impl.DefaultLibrariesInitializer; |
27 |
import org.slf4j.Logger; |
28 |
import org.slf4j.LoggerFactory; |
29 |
|
30 |
public class TestSTDistance extends TestCase { |
31 |
|
32 |
private static final Logger LOGGER = LoggerFactory.getLogger(TestSTDistance.class); |
33 |
|
34 |
public TestSTDistance(String testName) { |
35 |
super(testName);
|
36 |
} |
37 |
|
38 |
@Override
|
39 |
protected void setUp() throws Exception { |
40 |
super.setUp();
|
41 |
new DefaultLibrariesInitializer().fullInitialize();
|
42 |
} |
43 |
|
44 |
@Override
|
45 |
protected void tearDown() throws Exception { |
46 |
super.tearDown();
|
47 |
} |
48 |
|
49 |
public void testSTDistance() throws Exception { |
50 |
JDBCHelper helper = TestUtils.createJDBCHelper(); |
51 |
JDBCSQLBuilderBase sqlbuilder = helper.createSQLBuilder(); |
52 |
OperationsFactory operations = helper.getOperations(); |
53 |
|
54 |
List<String> expectedSQLs = TestUtils.getSQLs("testSTDistance.sql"); |
55 |
|
56 |
FeatureStore sourceStore = TestUtils.openSourceStore1(); |
57 |
|
58 |
TableReference table = operations.createTableReference( |
59 |
"dbtest",
|
60 |
sqlbuilder.default_schema(), |
61 |
"test",
|
62 |
null
|
63 |
); |
64 |
FeatureType featureType = sourceStore.getDefaultFeatureType(); |
65 |
FeatureQuery query = sourceStore.createFeatureQuery(); |
66 |
|
67 |
IProjection proj = CRSFactory.getCRS("EPSG:4326");
|
68 |
|
69 |
Point point = GeometryUtils.createPoint(10, 10); |
70 |
Geometry buffer = point.buffer(1);
|
71 |
|
72 |
|
73 |
DataManager dataManager = DALLocator.getDataManager(); |
74 |
DALExpressionBuilder dalBuilder = dataManager.createDALExpressionBuilder(); |
75 |
GeometryExpressionBuilder builder = dalBuilder.expression(); |
76 |
String filter = builder.ST_Intersects(
|
77 |
builder.geometry(buffer, proj), |
78 |
builder.column(featureType.getDefaultGeometryAttributeName()) |
79 |
).toString(); |
80 |
String sortBy = builder.ST_Distance(
|
81 |
builder.geometry(buffer), |
82 |
builder.column(featureType.getDefaultGeometryAttributeName()) |
83 |
).toString(); |
84 |
Expression sortByExpression = ExpressionUtils.createExpression(sortBy);
|
85 |
|
86 |
query.setFilter(filter); |
87 |
query.getOrder().add(sortByExpression, true);
|
88 |
query.setLimit(1);
|
89 |
|
90 |
ResultSetForSetProviderOperation resultSetForSetProvider = operations.createResultSetForSetProvider( |
91 |
table, |
92 |
null,
|
93 |
null,
|
94 |
query, |
95 |
featureType, |
96 |
featureType, |
97 |
0,
|
98 |
0,
|
99 |
0
|
100 |
); |
101 |
String sql = resultSetForSetProvider.getSQL();
|
102 |
System.out.println("###### SQL:"+sql); |
103 |
System.out.println("###### EXP:"+expectedSQLs.get(0)); |
104 |
|
105 |
assertEquals("ResultSetForSetProvider SQL", expectedSQLs.get(0), sql); |
106 |
} |
107 |
|
108 |
} |