org.richfaces.cdk.ordering
Class PartialOrderToCompleteOrder<T>

java.lang.Object
  org.richfaces.cdk.ordering.PartialOrderToCompleteOrder<T>

public class PartialOrderToCompleteOrder<T>
extends Object

Stores partial orderings in order to be able derive complete ordering.

When storing new partial ordering, checks that new partial ordering does not violates partial orderings stored before.

Author:

Lukas Fryc

Nested Class Summary

class

PartialOrderToCompleteOrder.CompleteOrdering Class representing result of deriving complete ordering from stored partial orderings.

Constructor Summary

PartialOrderToCompleteOrder()

Method Summary

void	addPartialOrdering(Collection<T> collection) Stores collection as partial ordering.
Set<T>	getAllItems() Provides all items which was stored in collections as partial orderings
Collection<T>	getCompletelyOrderedItems() Get all items completely ordered.
PartialOrderToCompleteOrder.CompleteOrdering	getCompleteOrdering() Provides current complete ordering derived from partial orderings.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PartialOrderToCompleteOrder

public PartialOrderToCompleteOrder()

Method Detail

addPartialOrdering

public void addPartialOrdering(Collection<T> collection)

Stores collection as partial ordering.

Checks that this collection will not violate another partial orderings stored before.

Parameters:

collection - as partial order

getAllItems

public Set<T> getAllItems()

Provides all items which was stored in collections as partial orderings

Returns:

all items which was stored in collections as partial orderings

getCompleteOrdering

public PartialOrderToCompleteOrder.CompleteOrdering getCompleteOrdering()

Provides current complete ordering derived from partial orderings.

Returns:

current complete ordering derived from partial orderings.

getCompletelyOrderedItems

public Collection<T> getCompletelyOrderedItems()

Get all items completely ordered.

Returns:

all items completely ordered.