Package model.handler

Class RoutesHandler

java.lang.Object

model.handler.RoutesHandler

All Implemented Interfaces:

ObservableListener<Route>, CollectionHandler<HashSet<Route>, Route>

public class RoutesHandler
                    extends Object
implements CollectionHandler<HashSet<Route>,Route>, ObservableListener<Route>

Current implementation of CollectionsHandler for HashSet of Route.

Since:

1.0

Author:

Zerumi

Method Summary

Modifier and Type	Method	Description
void	addCollectionListener (CollectionUpdateListener<Route> listener)	Registers new listener for some collection operations.
void	addElementToCollection (Route e)	Adds element to collection.
HashSet<Route>	getCollection()	Returns actual collection reference.
Route	getFirstOrNew()	Returns first element of collection.
Date	getInitDate()	Provides method for get collection initDate.
static RoutesHandler	getInstance()	Singletone moment.
Route	getLastElement()	Returns last element of collection.
ArrayList<CollectionUpdateListener<Route>>	getListeners()
Route	getMax (Comparator<Route> comparator)	Gets max element by given comparator
Route	getMin (Comparator<Route> comparator)	Gets min element by given comparator
HashSet<Route>	getSorted()	Provides method for getting sorted variant of collection.
void	listenAdd (Collection<? extends Route> addedElements)
void	listenRemove (Collection<?> removedObjects)
void	setCollection (HashSet<Route> routes)	Overrides current collection by provided value.

Methods inherited from class java.lang.Object

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

Methods inherited from interface model.handler.CollectionHandler

sort

Method Details

getInstance

public static RoutesHandler getInstance()
                                        

Singletone moment.

Returns:

Single instance of handler.

getCollection

public HashSet<Route> getCollection()
                                        

Returns actual collection reference.

Specified by:

getCollection in interface CollectionHandler<HashSet<Route>, Route>

Returns:

Current collection

setCollection

public void setCollection
                                            
                                            (HashSet<Route> routes)
                                        

Overrides current collection by provided value.

Specified by:

setCollection in interface CollectionHandler<HashSet<Route>, Route>

Parameters:

routes - Collection

addElementToCollection

public void addElementToCollection
                                            
                                            (Route e)
                                        

Adds element to collection.

Specified by:

addElementToCollection in interface CollectionHandler<HashSet<Route>, Route>

Parameters:

e - Element to add

getSorted

public HashSet<Route> getSorted()
                                        

Description copied from interface: CollectionHandler

Provides method for getting sorted variant of collection.

Specified by:

getSorted in interface CollectionHandler<HashSet<Route>, Route>

Returns:

sorted collection

getFirstOrNew

public Route getFirstOrNew()
                                        

Returns first element of collection.

Specified by:

getFirstOrNew in interface CollectionHandler<HashSet<Route>, Route>

Returns:

First element of collection. If collection is empty, returns new object.

getInitDate

public Date getInitDate()
                                        

Description copied from interface: CollectionHandler

Provides method for get collection initDate.

Specified by:

getInitDate in interface CollectionHandler<HashSet<Route>, Route>

Returns:

Date instance -- Collection created time.

See Also:

• InfoCommand

getLastElement

public Route getLastElement()
                                        

Returns last element of collection.

Specified by:

getLastElement in interface CollectionHandler<HashSet<Route>, Route>

Returns:

Last element of collection of null if collection is empty

getMin

public Route getMin
                                            
                                            (Comparator<Route> comparator)
                                        

Gets min element by given comparator

Specified by:

getMin in interface CollectionHandler<HashSet<Route>, Route>

Parameters:

comparator - Comparator to compare.

Returns:

Min element or null if collection is empty

getMax

public Route getMax
                                            
                                            (Comparator<Route> comparator)
                                        

Gets max element by given comparator

Specified by:

getMax in interface CollectionHandler<HashSet<Route>, Route>

Parameters:

comparator - Comparator to compare.

Returns:

Max element or null if collection is empty

addCollectionListener

public void addCollectionListener
                                            
                                            (CollectionUpdateListener<Route> listener)
                                        

Description copied from interface: CollectionHandler

Registers new listener for some collection operations.

Specified by:

addCollectionListener in interface CollectionHandler<HashSet<Route>, Route>

Parameters:

listener - Listener

listenAdd

public void listenAdd
                                            
                                            (Collection<? extends Route> addedElements)
                                        

Specified by:

listenAdd in interface ObservableListener<Route>

listenRemove

public void listenRemove
                                            
                                            (Collection<?> removedObjects)
                                        

Specified by:

listenRemove in interface ObservableListener<Route>

getListeners

public ArrayList<CollectionUpdateListener<Route>> getListeners()