Package org.exoplatform.social.common

Interface RealtimeListAccess<E>

  • All Superinterfaces:
    org.exoplatform.commons.utils.ListAccess<E>
    public interface RealtimeListAccess<E>
extends org.exoplatform.commons.utils.ListAccess<E>
    The Realtime list access interface to provide more facility to list access for easier real-time access.
    Since:
    1.2.0-GA, Apr 4, 2011
    Author:
    hoatle (hoatlevan at gmail dot com)

    • Method Detail

      • loadAsList

        List<E> loadAsList​(int index,
                   int limit)
        Loads items as list instead of array as from load(int, int).
        Parameters:
        index - the index
        limit - the number to load
        Returns:
        a list

      • loadIdsAsList

        List<String> loadIdsAsList​(int index,
                           int limit)
        Loads items as Ids list instead of array as from load(int, int).
        Parameters:
        index - the index
        limit - the number to load
        Returns:
        a Ids list

      • load

        E[] load​(int index,
         int limit)
        Overrides its parent interface to avoid checked-exception.
        Specified by:
        load in interface org.exoplatform.commons.utils.ListAccess<E>
        Parameters:
        index - the index
        limit - the maximum of elements to return
        Returns:
        array of elements

      • getSize

        int getSize()
        Overrides its parent interface to avoid checked-exception.
        Specified by:
        getSize in interface org.exoplatform.commons.utils.ListAccess<E>
        Returns:
        the number of elements.

      • loadNewer

        List<E> loadNewer​(E e,
                  int length)
        Loads newer elements based on the provided element.
        Parameters:
        e - the based element
        length - number of newer elements to load
        Returns:
        an array of newer elements

      • getNumberOfNewer

        int getNumberOfNewer​(E e)
        Gets the number of newer elements based on the provided element.
        Parameters:
        e - the provided element
        Returns:
        number of newer elements if any

      • loadOlder

        List<E> loadOlder​(E e,
                  int length)
        Loads older elements based on the provided element.
        Parameters:
        e - the based element
        length - number of older elements to load
        Returns:
        an array of older elements

      • getNumberOfOlder

        int getNumberOfOlder​(E e)
        Gets the number of older elements based on the provided element.
        Parameters:
        e - the provided element
        Returns:
        number of older elements if any

      • getNumberOfNewer

        int getNumberOfNewer​(Long sinceTime)
        Gets the number of newer elements based on the updated time.
        Parameters:
        sinceTime - the updated time
        Returns:
        number of newer elements if any

      • getUpadtedActivities

        List<E> getUpadtedActivities​(Long sinceTime,
                             int limit)
        Gets get updated activities base on since time.
        Parameters:
        sinceTime - the sinceTime
        limit - number of newer elements to load
        Returns:
        number of newer elements if any

      • loadNewer

        List<E> loadNewer​(Long sinceTime,
                  int limit)
        Loads newer elements based on the provided element.
        Parameters:
        sinceTime - updated time of newer elements to load
        limit - number of newer elements to load
        Returns:
        an array of newer elements

      • loadOlder

        List<E> loadOlder​(Long sinceTime,
                  int limit)
        Loads older elements based on the provided element.
        Parameters:
        sinceTime - updated time of older elements to load
        limit - number of older elements to load
        Returns:
        an array of older elements

      • getNumberOfOlder

        int getNumberOfOlder​(Long sinceTime)
        Gets the number of older elements based on the updated time.
        Parameters:
        sinceTime - the updated time
        Returns:
        number of older elements if any

      • getNumberOfUpgrade

        int getNumberOfUpgrade()
        Gets the number of stream elements based on the updated time. This one will make query to count for load more case.
        Returns:
        number of elements if any

      • convertListToArray

        static <T> T[] convertListToArray​(List<T> list,
                                  Class<T> type)