Package no.unit.nva.identifiers

Class SortableIdentifier

java.lang.Object

no.unit.nva.identifiers.SortableIdentifier

All Implemented Interfaces:

Comparable<SortableIdentifier>

public final class SortableIdentifier
extends Object
implements Comparable<SortableIdentifier>

Generates ids of the form "0176f264a5ad-446893d8-3c02-4f64-936b-2997fec34e98". where the first part is an Instant encoded in 12 hex digits (enough until the year 10889) and the rest is a UUID. The timestamp is should be used only for sorting and not for identifying creation date

Field Summary

Fields

Modifier and Type	Field	Description
static final int	EXTRA_DASH
static final String	INVALID_SORTABLE_IDENTIFIER_ERROR
static final String	INVALID_URI_ERROR_MESSAGE
static final String	PATH_DELIMITER
static final int	SORTABLE_ID_LENGTH
static final int	TIMESTAMP_LENGTH
static final int	UUID_LENGTH

Constructor Summary

Constructors

Constructor	Description
SortableIdentifier(String identifier)

Method Summary

Modifier and Type	Method	Description
int	compareTo(SortableIdentifier o)
boolean	equals(Object o)
static SortableIdentifier	fromUri(URI uri)
int	hashCode()
static SortableIdentifier	next()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

UUID_LENGTH

public static final int UUID_LENGTH

See Also:

• Constant Field Values

TIMESTAMP_LENGTH

public static final int TIMESTAMP_LENGTH

See Also:

• Constant Field Values

EXTRA_DASH

public static final int EXTRA_DASH

See Also:

• Constant Field Values

SORTABLE_ID_LENGTH

public static final int SORTABLE_ID_LENGTH

See Also:

• Constant Field Values

INVALID_SORTABLE_IDENTIFIER_ERROR

public static final String INVALID_SORTABLE_IDENTIFIER_ERROR

See Also:

• Constant Field Values

PATH_DELIMITER

public static final String PATH_DELIMITER

See Also:

• Constant Field Values

INVALID_URI_ERROR_MESSAGE

public static final String INVALID_URI_ERROR_MESSAGE

See Also:

• Constant Field Values

Constructor Details

SortableIdentifier

public SortableIdentifier(String identifier)

Method Details

next

public static SortableIdentifier next()

fromUri

public static SortableIdentifier fromUri(URI uri)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

compareTo

public int compareTo(SortableIdentifier o)

Specified by:

compareTo in interface Comparable<SortableIdentifier>