public Observable < ComapiResult < ConversationEventsResponse > > queryConversationEvents ( @ NonNull final String conversationId , @ NonNull final Long from , @ NonNull final Integer limit ) { final String token = getToken ( ) ; if ( sessionController . isCreatingSession ( ) ) { return getTaskQueue ( ) . queueQueryConversationEvents ( conversationId , from , limit ) ; } else if ( TextUtils . isEmpty ( token ) ) { return Observable . error ( getSessionStateErrorDescription ( ) ) ; } else { return doQueryConversationEvents ( token , conversationId , from , limit ) ; } }
Query conversation events .