Method Detail

• checkUniquenessAndCacheId

  boolean checkUniquenessAndCacheId(String messageId)

  Check messageId for uniqueness against previously encountered values and cache the ID. Note that the retention policy for previously encountered values is implementation specific.

  Parameters:

  messageId - the message ID to check for uniqueness and cache for future comparison

  Returns:

  true if and only if messageId is not already in the cache