Field Detail

• KVP_DELIMITER

  public static final char KVP_DELIMITER

  See Also:

  Constant Field Values

Constructor Detail

• ConfigurationUtil

  private ConfigurationUtil()

Method Detail

• setKeyValues

  public static void setKeyValues(org.apache.hadoop.conf.Configuration conf,
                  String key,
                  Collection<Map.Entry<String,String>> keyValues)

  Store a collection of Map.Entry's in conf, with each entry separated by ',' and key values delimited by KVP_DELIMITER

  Parameters:

  conf - configuration to store the collection in

  key - overall key to store keyValues under

  keyValues - kvps to be stored under key in conf

• setKeyValues

  public static void setKeyValues(org.apache.hadoop.conf.Configuration conf,
                  String key,
                  Collection<Map.Entry<String,String>> keyValues,
                  char delimiter)

  Store a collection of Map.Entry's in conf, with each entry separated by ',' and key values delimited by delimiter.

  Parameters:

  conf - configuration to store the collection in

  key - overall key to store keyValues under

  keyValues - kvps to be stored under key in conf

  delimiter - character used to separate each kvp

• getKeyValues

  public static List<Map.Entry<String,String>> getKeyValues(org.apache.hadoop.conf.Configuration conf,
                                            String key)

  Retrieve a list of key value pairs from configuration, stored under the provided key

  Parameters:

  conf - configuration to retrieve kvps from

  key - key under which the key values are stored

  Returns:

  the list of kvps stored under key in conf, or null if the key isn't present.

  See Also:

  setKeyValues(Configuration, String, Collection, char)

• getKeyValues

  public static List<Map.Entry<String,String>> getKeyValues(org.apache.hadoop.conf.Configuration conf,
                                            String key,
                                            char delimiter)

  Retrieve a list of key value pairs from configuration, stored under the provided key

  Parameters:

  conf - configuration to retrieve kvps from

  key - key under which the key values are stored

  delimiter - character used to separate each kvp

  Returns:

  the list of kvps stored under key in conf, or null if the key isn't present.

  See Also:

  setKeyValues(Configuration, String, Collection, char)