/**
* Creates a cache with the given policy with a MemoryStore only and adds it to the manager.
*
* @param evictionPolicy
* @throws CacheException
*/
protected void createMemoryOnlyStore(
MemoryStoreEvictionPolicy evictionPolicy, int memoryStoreSize) throws CacheException {
manager.removeCache("test");
cache =
new Cache(
"test", memoryStoreSize, evictionPolicy, false, null, false, 60, 30, false, 60, null);
manager.addCache(cache);
store = cache.getStore();
}
@Test
public void testShrinkingAndGrowingMemoryStore() {
cache = new Cache("testShrinkingAndGrowingMemoryStore", 50, false, false, 120, 120);
manager.addCache(cache);
store = cache.getStore();
if (!(store instanceof MemoryStore)) {
LOG.info(
"Skipping Growing/Shrinking Memory Store Test - Store is not a subclass of MemoryStore!");
return;
}
int i = 0;
for (; ; ) {
int size = store.getSize();
store.put(new Element(Integer.valueOf(i++), new byte[100]));
if (store.getSize() <= size) break;
}
final int initialSize = store.getSize();
final int shrinkSize = initialSize / 2;
((MemoryStore) store).memoryCapacityChanged(initialSize, shrinkSize);
for (; ; ) {
int size = store.getSize();
store.put(new Element(Integer.valueOf(i++), new byte[100]));
if (store.getSize() >= size) break;
}
{
int size = store.getSize();
assertTrue(size < (shrinkSize * 1.1));
assertTrue(size > (shrinkSize * 0.9));
}
final int growSize = initialSize * 2;
((MemoryStore) store).memoryCapacityChanged(shrinkSize, growSize);
for (; ; ) {
int size = store.getSize();
store.put(new Element(Integer.valueOf(i++), new byte[100]));
if (store.getSize() <= size) break;
}
{
int size = store.getSize();
assertTrue(size < (growSize * 1.1));
assertTrue(size > (growSize * 0.9));
}
}
/**
* Creates a cache with the given policy and adds it to the manager.
*
* @param evictionPolicy
* @throws CacheException
*/
protected void createMemoryOnlyStore(MemoryStoreEvictionPolicy evictionPolicy)
throws CacheException {
manager.removeCache("testMemoryOnly");
cache =
new Cache(
"testMemoryOnly",
12000,
evictionPolicy,
false,
System.getProperty("java.io.tmpdir"),
false,
60,
30,
false,
60,
null);
manager.addCache(cache);
store = cache.getStore();
}
/**
* Creates a store from the given configuration and cache within it.
*
* @param filePath
* @param cacheName
* @throws CacheException
*/
protected void createMemoryStore(String filePath, String cacheName) throws CacheException {
manager.shutdown();
manager = CacheManager.create(filePath);
cache = manager.getCache(cacheName);
store = cache.getStore();
}
