public void testConcurrencyLevel_zero() {
CacheBuilder<Object, Object> builder = new CacheBuilder<Object, Object>();
try {
builder.concurrencyLevel(0);
fail();
} catch (IllegalArgumentException expected) {
}
}
public void testConcurrencyLevel_setTwice() {
CacheBuilder<Object, Object> builder = new CacheBuilder<Object, Object>().concurrencyLevel(16);
try {
// even to the same value is not allowed
builder.concurrencyLevel(16);
fail();
} catch (IllegalStateException expected) {
}
}
private void buildCache() {
long sizeInBytes =
MemorySizeValue.parseBytesSizeValueOrHeapRatio(size, INDICES_CACHE_QUERY_SIZE).bytes();
CacheBuilder<Key, Value> cacheBuilder =
CacheBuilder.newBuilder()
.maximumWeight(sizeInBytes)
.weigher(new QueryCacheWeigher())
.removalListener(this);
cacheBuilder.concurrencyLevel(concurrencyLevel);
if (expire != null) {
cacheBuilder.expireAfterAccess(expire.millis(), TimeUnit.MILLISECONDS);
}
cache = cacheBuilder.build();
}
public com.google.common.cache.CacheBuilder<Object, Object> concurrencyLevel(
int concurrencyLevel) {
return builder.concurrencyLevel(concurrencyLevel);
}