org.lappsgrid.discriminator

Class DiscriminatorRegistry

java.lang.Object

org.lappsgrid.discriminator.DiscriminatorRegistry

public class DiscriminatorRegistry
extends Object

The DiscriminatorRegistry serves as the source of all knowledge for Discriminator objects.

The DiscriminatorRegistry class is used to map between a Discriminator's integer identifier, its short name, and its URI.

This class is subject to change as needs evolve.

Author:

Keith Suderman

Field Summary

Fields

Modifier and Type	Field and Description
protected static long	BANK_SIZE

Constructor Summary

Constructors

Constructor and Description
DiscriminatorRegistry()

Method Summary

Modifier and Type	Method and Description
static List<Discriminator>	discriminators()
static String	get(long type)
static long	get(String name) Returns a non-negative number corresponding to the discriminator value associated with this name.
static long[]	getAncestors(Discriminator d)
static long[]	getAncestors(long type)
static Discriminator	getByName(String name)
static Discriminator	getByType(long type)
static Discriminator	getByUri(String uri)
static String	getName(long type)
static String	getName(String uri)
static long	getType(String key)
static String	getUri(long type)
static String	getUri(String name)
static String	getUriByReflection(String name)
static void	initialize() Initializes the DiscriminatorRegistry.
static boolean	isa(long type, long parentType) Returns true if the discriminator parentName is a super-type of the type discriminator.
static boolean	isa(String name, String parentName) Returns true if the discriminator parentName is a super-type of the name discriminator.
static String[]	names()
static long[]	types() Returns a list (array) of all discriminator values used by the registry.

Methods inherited from class java.lang.Object

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

Field Detail

BANK_SIZE

protected static final long BANK_SIZE

See Also:

Constant Field Values

Constructor Detail

DiscriminatorRegistry

public DiscriminatorRegistry()

Method Detail

getByName

public static Discriminator getByName(String name)

getByUri

public static Discriminator getByUri(String uri)

getByType

public static Discriminator getByType(long type)

getType

public static long getType(String key)

getName

public static String getName(String uri)

getName

public static String getName(long type)

getUri

public static String getUri(String name)

getUri

public static String getUri(long type)

getUriByReflection

public static String getUriByReflection(String name)

types

public static long[] types()

Returns a list (array) of all discriminator values used by the registry.

names

public static String[] names()

discriminators

public static List<Discriminator> discriminators()

get

public static long get(String name)

Returns a non-negative number corresponding to the discriminator value associated with this name. Returns a negative value is there is no such discriminator.

Parameters:

name - The name of the discriminator

Returns:

The id value associated with the discriminator name, or -1 if there is no such discriminator.

get

public static String get(long type)

isa

public static boolean isa(String name,
                          String parentName)

Returns true if the discriminator parentName is a super-type of the name discriminator. Returns false otherwise.

isa

public static boolean isa(long type,
                          long parentType)

Returns true if the discriminator parentName is a super-type of the type discriminator. Returns false otherwise.

getAncestors

public static long[] getAncestors(long type)

getAncestors

public static long[] getAncestors(Discriminator d)

initialize

public static void initialize()
                       throws IOException

Initializes the DiscriminatorRegistry.

Currently the registry is initialized with values read from a flat text file. In production use the registry should be initialized from a proper type system of some sort.

Throws:

IOException