コード例 #1
0
  @Override
  public void updateComment(Comment comment)
      throws NonExistingEntityException, IllegalArgumentException {

    if (comment == null) {
      throw new IllegalArgumentException("Comment is null.");
    }

    if (comment.getId() == null) {
      throw new IllegalArgumentException("Comment id is null.");
    }

    commentCache = provider.getCacheContainer().getCache("commentcache");

    if (!commentCache.containsKey(comment.getId())) {
      throw new NonExistingEntityException("Comment does not exist in cache.");
    }

    try {
      userTransaction.begin();
      commentCache.put(comment.getId(), comment);
      userTransaction.commit();
      logger.info("Comment with id: " + comment.getId() + " was updated in cache store.");
    } catch (Exception e) {
      if (userTransaction != null) {
        try {
          userTransaction.rollback();
        } catch (Exception e1) {
          e1.printStackTrace();
        }
      }
      logger.error("Error while updating comment.", e);
      throw new CacheException(e);
    }
  }
コード例 #2
0
  @Override
  public void createComment(Comment comment)
      throws IllegalEntityException, IllegalArgumentException, CacheException {

    if (comment == null) {
      throw new IllegalArgumentException("Comment is null.");
    }

    if (comment.getId() != null) {
      throw new IllegalEntityException(
          "Comment id is not null, Comment entity cannot be put into cache.");
    }
    commentCache = provider.getCacheContainer().getCache("commentcache");
    comment.setId(UUIDStringGenerator.generateCommentId());

    try {
      userTransaction.begin();
      commentCache.put(comment.getId(), comment);
      userTransaction.commit();
      logger.info(
          "Comment with id: "
              + comment.getId()
              + ", songID"
              + comment.getSongId()
              + " was inserted to cache store.");
    } catch (Exception e) {
      if (userTransaction != null) {
        try {
          userTransaction.rollback();
        } catch (Exception e1) {
          e1.printStackTrace();
        }
      }
      logger.error("Error while putting comment to the comment cache.", e);
      throw new CacheException(e);
    }
  }