@Test
public void testGetAndRemoveExpiredElementReturnsNull() throws Exception {
TestTimeSource timeSource = new TestTimeSource();
AbstractOffHeapStore<String, String> offHeapStore =
createAndInitStore(
timeSource, Expirations.timeToIdleExpiration(new Duration(15L, TimeUnit.MILLISECONDS)));
try {
assertThat(offHeapStore.getAndRemove("1"), is(nullValue()));
offHeapStore.put("1", "one");
final AtomicReference<Store.ValueHolder<String>> invalidated =
new AtomicReference<Store.ValueHolder<String>>();
offHeapStore.setInvalidationListener(
new CachingTier.InvalidationListener<String, String>() {
@Override
public void onInvalidation(String key, Store.ValueHolder<String> valueHolder) {
invalidated.set(valueHolder);
}
});
timeSource.advanceTime(20);
assertThat(offHeapStore.getAndRemove("1"), is(nullValue()));
assertThat(invalidated.get().value(), equalTo("one"));
assertThat(
invalidated.get().isExpired(timeSource.getTimeMillis(), TimeUnit.MILLISECONDS), is(true));
assertThat(
getExpirationStatistic(offHeapStore)
.count(StoreOperationOutcomes.ExpirationOutcome.SUCCESS),
is(1L));
} finally {
destroyStore(offHeapStore);
}
}
@Test
public void testGetAndRemoveNoValue() throws Exception {
TestTimeSource timeSource = new TestTimeSource();
AbstractOffHeapStore<String, String> offHeapStore =
createAndInitStore(timeSource, Expirations.noExpiration());
try {
assertThat(offHeapStore.getAndRemove("1"), is(nullValue()));
validateStats(
offHeapStore, EnumSet.of(LowerCachingTierOperationsOutcome.GetAndRemoveOutcome.MISS));
} finally {
destroyStore(offHeapStore);
}
}
