/** @return Map extension interface to array of implementation. */
public Map<Class<?>, Object[]> createExtensionMap() {
Map<Class<?>, Object[]> extensions = new HashMap<>(extensionsCollector.size() * 2, 0.5f);
for (Map.Entry<Class<?>, List<Object>> entry : extensionsCollector.entrySet()) {
Class<?> extensionItf = entry.getKey();
List<Object> implementations = entry.getValue();
Object[] implArr = (Object[]) Array.newInstance(extensionItf, implementations.size());
implArr = implementations.toArray(implArr);
extensions.put(extensionItf, implArr);
}
return extensions;
}
/** @throws Exception If failed. */
public void testGroupIndexOperations() throws Exception {
IgniteCache<Integer, GroupIndexTestValue> c =
ignite(0)
.getOrCreateCache(cacheConfig("grp", false, Integer.class, GroupIndexTestValue.class));
try {
// Check group index usage.
String qry = "select 1 from GroupIndexTestValue ";
String plan = columnQuery(c, "explain " + qry + "where a = 1 and b > 0").get(0).toString();
info("Plan: " + plan);
assertTrue(plan.contains("grpIdx"));
// Sorted list
List<GroupIndexTestValue> list =
F.asList(
new GroupIndexTestValue(0, 0),
new GroupIndexTestValue(0, 5),
new GroupIndexTestValue(1, 1),
new GroupIndexTestValue(1, 3),
new GroupIndexTestValue(2, -1),
new GroupIndexTestValue(2, 2));
// Fill cache.
for (int i = 0; i < list.size(); i++) c.put(i, list.get(i));
// Check results.
assertEquals(1, columnQuery(c, qry + "where a = 1 and b = 1").size());
assertEquals(2, columnQuery(c, qry + "where a = 1 and b < 4").size());
assertEquals(2, columnQuery(c, qry + "where a = 1 and b <= 3").size());
assertEquals(1, columnQuery(c, qry + "where a = 1 and b < 3").size());
assertEquals(2, columnQuery(c, qry + "where a = 1 and b > 0").size());
assertEquals(1, columnQuery(c, qry + "where a = 1 and b > 1").size());
assertEquals(2, columnQuery(c, qry + "where a = 1 and b >= 1").size());
assertEquals(4, columnQuery(c, qry + "where a > 0 and b > 0").size());
assertEquals(4, columnQuery(c, qry + "where a > 0 and b >= 1").size());
assertEquals(3, columnQuery(c, qry + "where a > 0 and b > 1").size());
} finally {
c.destroy();
}
}