org.apache.mahout.cf.taste.hadoop.pseudo
Enum ReducerMetrics

java.lang.Object
  java.lang.Enum<ReducerMetrics>
      org.apache.mahout.cf.taste.hadoop.pseudo.ReducerMetrics

All Implemented Interfaces:

Serializable, Comparable<ReducerMetrics>

public enum ReducerMetrics
extends Enum<ReducerMetrics>

Custom metrics collected by RecommenderReducer.

Enum Constant Summary

RECOMMENDATIONS_MADE
Number of items recommended to those users

USERS_PROCESSED
Number of unique users for which recommendations were produced

Method Summary

static ReducerMetrics	valueOf(String name) Returns the enum constant of this type with the specified name.
static ReducerMetrics[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

USERS_PROCESSED

public static final ReducerMetrics USERS_PROCESSED

Number of unique users for which recommendations were produced

RECOMMENDATIONS_MADE

public static final ReducerMetrics RECOMMENDATIONS_MADE

Number of items recommended to those users

Method Detail

values

public static ReducerMetrics[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (ReducerMetrics c : ReducerMetrics.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static ReducerMetrics valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null