redis队列操作

jedis-2.7.0.jar
添加

/**
   * Add the string value to the head (LPUSH) or tail (RPUSH) of the list stored at key. If the key
   * does not exist an empty list is created just before the append operation. If the key exists but
   * is not a List an error is returned.
   * 

   * Time complexity: O(1)
   * @param key
   * @param strings
   * @return Integer reply, specifically, the number of elements inside the list after the push
   *         operation.
   */
  public Long rpush(final String key, final String... strings) {
    checkIsInMulti();
    client.rpush(key, strings);
    return client.getIntegerReply();
  }

  /**
   * Add the string value to the head (LPUSH) or tail (RPUSH) of the list stored at key. If the key
   * does not exist an empty list is created just before the append operation. If the key exists but
   * is not a List an error is returned.
   * 

   * Time complexity: O(1)
   * @param key
   * @param strings
   * @return Integer reply, specifically, the number of elements inside the list after the push
   *         operation.
   */
  public Long lpush(final String key, final String... strings) {
    checkIsInMulti();
    client.lpush(key, strings);
    return client.getIntegerReply();
  }

弹出

/**
   * Atomically return and remove the first (LPOP) or last (RPOP) element of the list. For example
   * if the list contains the elements "a","b","c" LPOP will return "a" and the list will become
   * "b","c".
   * 

   * If the key does not exist or the list is already empty the special value 'nil' is returned.
   * @see #rpop(String)
   * @param key
   * @return Bulk reply
   */
  public String lpop(final String key) {
    checkIsInMulti();
    client.lpop(key);
    return client.getBulkReply();
  }

  /**
   * Atomically return and remove the first (LPOP) or last (RPOP) element of the list. For example
   * if the list contains the elements "a","b","c" RPOP will return "c" and the list will become
   * "a","b".
   * 

   * If the key does not exist or the list is already empty the special value 'nil' is returned.
   * @see #lpop(String)
   * @param key
   * @return Bulk reply
   */
  public String rpop(final String key) {
    checkIsInMulti();
    client.rpop(key);
    return client.getBulkReply();
  }