org.junit.runner.manipulation
Class Sorter

java.lang.Object
  extended by org.junit.runner.manipulation.Ordering
      extended by org.junit.runner.manipulation.Sorter
All Implemented Interfaces:
Comparator<Description>
Direct Known Subclasses:
Alphanumeric

public class Sorter
extends Ordering
implements Comparator<Description>

A Sorter orders tests. In general you will not need to use a Sorter directly. Instead, use Request.sortWith(Comparator).

Since:
4.0

Nested Class Summary
 
Nested classes/interfaces inherited from class org.junit.runner.manipulation.Ordering
Ordering.Context, Ordering.Factory
 
Field Summary
static Sorter NULL
          NULL is a Sorter that leaves elements in an undefined order
 
Constructor Summary
Sorter(Comparator<Description> comparator)
          Creates a Sorter that uses comparator to sort tests
 
Method Summary
 void apply(Object target)
          Sorts the tests in target using comparator.
 int compare(Description o1, Description o2)
           
protected  List<Description> orderItems(Collection<Description> descriptions)
          Implemented by sub-classes to order the descriptions.
 
Methods inherited from class org.junit.runner.manipulation.Ordering
definedBy, definedBy, shuffledBy
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface java.util.Comparator
equals
 

Field Detail

NULL

public static final Sorter NULL
NULL is a Sorter that leaves elements in an undefined order

Constructor Detail

Sorter

public Sorter(Comparator<Description> comparator)
Creates a Sorter that uses comparator to sort tests

Parameters:
comparator - the Comparator to use when sorting tests
Since:
4.0
Method Detail

apply

public void apply(Object target)
Sorts the tests in target using comparator.

Overrides:
apply in class Ordering
Since:
4.0

compare

public int compare(Description o1,
                   Description o2)
Specified by:
compare in interface Comparator<Description>

orderItems

protected final List<Description> orderItems(Collection<Description> descriptions)
Implemented by sub-classes to order the descriptions.

Specified by:
orderItems in class Ordering
Returns:
descriptions in order
Since:
4.13


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