Package org.progettoedids.repositories

Class LabyrinthRepository

java.lang.Object

org.progettoedids.repositories.LabyrinthRepository

public class LabyrinthRepository
extends Object

This class holds a map composed of Labyrinth names and associated Labyrinth.Builder(s).

Labyrinth(s) can be added, retrieved built or removed by calling the respective methods. It's not possible to add a Labyrinth whose name is already present in the repository, in order to so it's necessary to remove it first.

Field Summary

Fields

Modifier and Type	Field	Description
protected static LabyrinthRepository	labyRepo

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	LabyrinthRepository()

Method Summary

Modifier and Type	Method	Description
void	addLabyrinth(Labyrinth.Builder labyrinth)	Adds a Labyrinth.Builder to the repository.
static LabyrinthRepository	getInstance()
Labyrinth	getLabyrinth(String labyrinthName)	Returns a newly built instance of a Labyrinth with the specified name and a random seed.
Labyrinth	getLabyrinth(String labyrinthName, long randomGeneratorSeed)	Returns a newly built instance of a Labyrinth with the specified name and seed.
String[]	getNames()	Returns all the names of the Labyrinth(s) held in this repository.
String[]	getNames(Difficulty difficulty)	Returns the names of all the Labyrinth(s) with the specified Difficulty.
void	loadLabyrinths(LabyrinthLoader labyrinthLoader)	Loads all the Labyrinth.Builder supplied by a specialized loader.
void	removeLabyrinth(String labyrinthName)	Removes a Labyrinth.Builder with the given name from the Labyrinth.

Methods inherited from class java.lang.Object

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

Field Details

labyRepo

protected static LabyrinthRepository labyRepo

Constructor Details

LabyrinthRepository

protected LabyrinthRepository()

Method Details

getInstance

public static LabyrinthRepository getInstance()

getNames

public String[] getNames()

Returns all the names of the Labyrinth(s) held in this repository.

Returns:

an array of String(s) with the names of the Labyrinth(s)

getNames

public String[] getNames(Difficulty difficulty)

Returns the names of all the Labyrinth(s) with the specified Difficulty.

Parameters:

difficulty - The Difficulty to filter. Must not be null

Returns:

an array of String(s) with the name of the Labyrinth(s)

getLabyrinth

public Labyrinth getLabyrinth(String labyrinthName)

Returns a newly built instance of a Labyrinth with the specified name and a random seed.

Parameters:

labyrinthName - The name of the Labyrinth to retrieve. Must not be null

Returns:

a Labyrinth instance

Throws:

NoSuchElementException - when the name supplied doesn't match any stored Labyrinth

getLabyrinth

public Labyrinth getLabyrinth(String labyrinthName,
 long randomGeneratorSeed)

Returns a newly built instance of a Labyrinth with the specified name and seed.

Parameters:

labyrinthName - The name of the Labyrinth to retrieve. Must not be null

randomGeneratorSeed - A long value representing the seed to use to initialize the random generator of the Labyrinth

Returns:

a Labyrinth instance

addLabyrinth

public void addLabyrinth(Labyrinth.Builder labyrinth)

Adds a Labyrinth.Builder to the repository.

Parameters:

labyrinth - a Labyrinth.Builder properly configured. Must not be null

Throws:

IllegalArgumentException - if a Labyrinth with same name was already in the repository

loadLabyrinths

public void loadLabyrinths(LabyrinthLoader labyrinthLoader)

Loads all the Labyrinth.Builder supplied by a specialized loader.

Parameters:

labyrinthLoader - an instance of a specialized LabyrinthLoader. Must not be null

removeLabyrinth

public void removeLabyrinth(String labyrinthName)

Removes a Labyrinth.Builder with the given name from the Labyrinth.

Parameters:

labyrinthName - a String representing the name of a Labyrinth

Throws:

IllegalArgumentException - if a Labyrinth with the same name couldn't be found in the repository