public void testSum() throws Exception {
FilterFactory ff = dataStore.getFilterFactory();
PropertyName p = ff.property(aname("doubleProperty"));
SumVisitor v = new MySumVisitor(p);
dataStore.getFeatureSource(tname("ft1")).accepts(Query.ALL, v, null);
assertFalse(visited);
assertEquals(3.3, v.getResult().toDouble(), 0.01);
}
public void testSumWithFilter() throws Exception {
FilterFactory ff = dataStore.getFilterFactory();
PropertyName p = ff.property(aname("doubleProperty"));
SumVisitor v = new MySumVisitor(p);
Filter f = ff.less(ff.property(aname("doubleProperty")), ff.literal(2));
Query q = new DefaultQuery(tname("ft1"), f);
dataStore.getFeatureSource(tname("ft1")).accepts(q, v, null);
assertFalse(visited);
assertEquals(1.1, v.getResult().toDouble(), 0.01);
}
public void testSumWithLimitOffset() throws Exception {
if (!dataStore.getSQLDialect().isLimitOffsetSupported()) {
return;
}
FilterFactory ff = dataStore.getFilterFactory();
PropertyName p = ff.property(aname("doubleProperty"));
SumVisitor v = new MySumVisitor(p);
DefaultQuery q = new DefaultQuery(tname("ft1"));
q.setStartIndex(0);
q.setMaxFeatures(2);
dataStore.getFeatureSource(tname("ft1")).accepts(q, v, null);
assertFalse(visited);
assertEquals(1.1, v.getResult().toDouble(), 0.01);
}
public void visit(SimpleFeature feature) {
super.visit(feature);
visited = true;
}