net.sf.jagg.msd
Class EnumDiscriminator<T extends java.lang.Enum<T>>
java.lang.Object
net.sf.jagg.msd.AbstractDiscriminator<T>
net.sf.jagg.msd.ChainedDiscriminator<T>
net.sf.jagg.msd.EnumDiscriminator<T>
- All Implemented Interfaces:
- Discriminator<T>
public class EnumDiscriminator<T extends java.lang.Enum<T>>
- extends ChainedDiscriminator<T>
An EnumDiscriminator
discriminates Lists
of
Enums
by their ordinals.
- Since:
- 0.5.0
- Author:
- Randy Gettman
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
EnumDiscriminator
public EnumDiscriminator()
getChainedExtractor
protected <E> ChainedExtractor<E,java.lang.Integer,T> getChainedExtractor(java.util.List<E> elements,
Extractor<E,T> extractor)
- Returns an appropriate
ChainedExtractor
.
- Specified by:
getChainedExtractor
in class ChainedDiscriminator<T extends java.lang.Enum<T>>
- Type Parameters:
E
- The type of element.- Parameters:
elements
- The List
of elements.extractor
- A ChainedExtractor
that returns appropriate
labels.
- Returns:
- An appropriate
ChainedExtractor
. - See Also:
ChainedDiscriminator.getDiscriminator(java.util.List, net.sf.jagg.msd.ChainedExtractor, int)
getDiscriminator
protected <E> Discriminator<java.lang.Integer> getDiscriminator(java.util.List<E> elements,
ChainedExtractor<E,?,T> extractor,
int index)
- Returns the
Discriminator
that discriminates on the enum
ordinals.
- Specified by:
getDiscriminator
in class ChainedDiscriminator<T extends java.lang.Enum<T>>
- Parameters:
elements
- The list of elements.extractor
- The ChainedExtractor
that was obtained from
getChainedExtractor
.index
- The index of the loop.
- Returns:
- A
Discriminator
that discriminates on the enum
ordinals. - See Also:
ChainedDiscriminator.getChainedExtractor(java.util.List, net.sf.jagg.msd.Extractor)
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