How to use

getObject

method

in

com.ebay.cloud.cms.utils.ExpirableCache

/**
 * className is either metaclass name or pluralName
 * 
 * @param className
 * @return
 */
public MetaClass getMetaClassFromCache(String className) {
  MetaClass m = nameCache.getObject(className);
  if (m == null) {
    m = pluralNameCache.getObject(className);
  }
  return m;
}

public Integer getCountFromCache(String dbCollectionName){
  return countCache.getObject(dbCollectionName);
}

@Override
public Repository getRepository(String repositoryName) {
  Repository repo = null;
  BasicDBObject query = new BasicDBObject();
  query.put(Repository.REPOSITORY_FIELD_NAME, repositoryName);
  query.put(Repository.STATE_FIELD, Repository.StateEnum.normal.toString());
  boolean suggestRefresh = false;
  DBObject object = repoCollection.findOne(query);
  if (object != null) {
    repo = cache.getObject(repositoryName);
    if (repo == null) {
      suggestRefresh = true;
    }
  } else if (cache.getObject(repositoryName) != null) {
    suggestRefresh = true;
  }
  // find something different between the cache and the read db.
  if (suggestRefresh) {
    refreshRepositoryCache();
    repo = cache.getObject(repositoryName);
  }
  if (repo == null) {
    throw new RepositoryNotExistsException(repositoryName);
  }
  return repo;
}

@Test
public void expirationTest() throws InterruptedException {
  ExpirableCache<String> cache = new ExpirableCache<String>(100, 1);
  cache.putObject(c[0], c[0]);
  assertTrue(cache.getObject(c[0]) == c[0]);
  Thread.sleep(2000);
  assertNull(cache.getObject(c[0]));
}
 

@Test
public void deleteTest() {
  ExpirableCache<String> cache = new ExpirableCache<String>(100, 60);
  cache.putObject(c[0], c[0]);
  assertTrue(cache.getObject(c[0]) == c[0]);
  cache.deleteObject(c[0]);
  assertNull(cache.getObject(c[0]));
}
 

@Test
public void cacheTest() {
  ExpirableCache<String> cache = new ExpirableCache<String>(100, 60);
  
  for (String i : c) {
    cache.putObject(i, i);
  }
  
  for (String i : c) {
    String o = cache.getObject(i);
    assertTrue(o == c[Integer.valueOf(o)]);
  }
}
 

@Test
public void sizeTest() {
  ExpirableCache<String> cache = new ExpirableCache<String>(1, 60);
  cache.putObject(c[0], c[0]);
  cache.putObject(c[1], c[1]);
  assertNull(cache.getObject(c[0]));
  assertTrue(cache.getObject(c[1]) == c[1]);
}