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package org.apache.mahout.common.parameters;

An accessor to a parameters in the job. This is a composite entity that can it self contain more parameters. Say the parameters describes what DistanceMeasure class to use, once set this parameters would also produce the parameters available in that DistanceMeasure implementation.
public interface Parameter<T> extends Parametered {
  

Returns:
job configuration setting key prefix, e.g. 'org.apache.mahout.util.WeightedDistanceMeasure.'
  String prefix();

  

Returns:
configuration parameters name, e.g. 'weightsFile'
  String name();

  

Returns:
human readable description of parameters
  String description();

  

Returns:
value class type
  Class<T> type();

  

Parameters:
stringValue value string representation
  void setStringValue(String stringValue);

  

Returns:
value string reprentation of current value

Parameters:
value new parameters value
  void set(T value);

  

Returns:
current parameters value
  T get();

  

Returns:
value used if not set by consumer
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