@Test
public void testAllUpdatesReflectedToMapStore() throws Exception {
int nodeCount = 3;
final MapStoreWithCounter mapStore = new MapStoreWithCounter<Integer, String>();
TestMapUsingMapStoreBuilder builder =
TestMapUsingMapStoreBuilder.create()
.withMapStore(mapStore)
.withNodeCount(nodeCount)
.withNodeFactory(createHazelcastInstanceFactory(nodeCount))
.withBackupCount(0)
.withWriteCoalescing(false)
.withWriteDelaySeconds(3);
IMap<Object, Object> map = builder.build();
for (int i = 0; i < 500; i++) {
map.put(i, randomString());
}
for (int i = 0; i < 500; i++) {
map.remove(i);
}
assertTrueEventually(
new AssertTask() {
@Override
public void run() throws Exception {
final int storeCount = mapStore.countStore.get();
final int deleteCount = mapStore.countDelete.get();
assertEquals(1000, storeCount + deleteCount);
assertTrue(mapStore.store.isEmpty());
}
});
}
@Test(expected = ReachedMaxSizeException.class)
public void testCounter_whenMaxCapacityExceeded() throws Exception {
final int maxCapacityPerNode = 100;
final int nodeCount = 1;
final MapStoreWithCounter mapStore = new MapStoreWithCounter<Integer, String>();
final TestMapUsingMapStoreBuilder builder =
TestMapUsingMapStoreBuilder.create()
.withMapStore(mapStore)
.withNodeCount(nodeCount)
.withNodeFactory(createHazelcastInstanceFactory(1))
.withBackupCount(0)
.withWriteCoalescing(false)
.withWriteBehindQueueCapacity(maxCapacityPerNode)
.withWriteDelaySeconds(100);
final IMap<Object, Object> map = builder.build();
// exceed max write-behind queue capacity per node.
populateMap(map, 2 * maxCapacityPerNode);
}
@Test
public void testCounter_against_one_node_zero_backup() throws Exception {
final int maxCapacityPerNode = 100;
final MapStoreWithCounter mapStore = new MapStoreWithCounter<Integer, String>();
final TestMapUsingMapStoreBuilder builder =
TestMapUsingMapStoreBuilder.create()
.withMapStore(mapStore)
.withNodeCount(1)
.withNodeFactory(createHazelcastInstanceFactory(1))
.withBackupCount(0)
.withWriteDelaySeconds(100)
.withWriteCoalescing(false)
.withWriteBehindQueueCapacity(maxCapacityPerNode);
final IMap<Object, Object> map = builder.build();
populateMap(map, maxCapacityPerNode);
assertEquals(maxCapacityPerNode, map.size());
}
@Test
public void testCounter_against_many_nodes() throws Exception {
final int maxCapacityPerNode = 100;
final int nodeCount = 2;
final MapStoreWithCounter mapStore = new MapStoreWithCounter<Integer, String>();
final TestMapUsingMapStoreBuilder builder =
TestMapUsingMapStoreBuilder.create()
.withMapStore(mapStore)
.withNodeCount(nodeCount)
.withNodeFactory(createHazelcastInstanceFactory(nodeCount))
.withBackupCount(0)
.withWriteCoalescing(false)
.withWriteBehindQueueCapacity(maxCapacityPerNode)
.withWriteDelaySeconds(100);
final IMap<Object, Object> map = builder.build();
// put slightly more number of entries which is higher than max write-behind queue capacity per
// node.
populateMap(map, maxCapacityPerNode + 3);
assertTrue(map.size() > maxCapacityPerNode);
}
