Package org.openremote.model.util

Class UniqueIdentifierGenerator

java.lang.Object

org.openremote.model.util.UniqueIdentifierGenerator

public class UniqueIdentifierGenerator
extends Object

Generate a globally unique identifier value.

This is a Hibernate identifier generator as well: Assigns a random UUID if the persisted entity instance is of type IdentifiableEntity and if its IdentifiableEntity.getId() method returns null.

Field Summary

Fields

Modifier and Type	Field	Description
protected static final com.fasterxml.uuid.impl.NameBasedGenerator	nameGenerator
protected static final com.fasterxml.uuid.impl.RandomBasedGenerator	randomGenerator

Constructor Summary

Constructors

Constructor	Description
UniqueIdentifierGenerator()

Method Summary

Modifier and Type	Method	Description
static String	generateId()	Generates a random UUID value encoded as Base62, 22 characters long.
static String	generateId(byte[] bytes)	Generates the same UUID value encoded as Base62, 22 characters long, if the bytes are the same.
static String	generateId(String name)	Generates the same UUID value encoded as Base62, 22 characters long, if the name is the same.

Methods inherited from class java.lang.Object

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

Field Details

randomGenerator

protected static final com.fasterxml.uuid.impl.RandomBasedGenerator randomGenerator

nameGenerator

protected static final com.fasterxml.uuid.impl.NameBasedGenerator nameGenerator

Constructor Details

UniqueIdentifierGenerator

public UniqueIdentifierGenerator()

Method Details

generateId

public static String generateId()

Generates a random UUID value encoded as Base62, 22 characters long.

generateId

public static String generateId(String name)

Generates the same UUID value encoded as Base62, 22 characters long, if the name is the same.

generateId

public static String generateId(byte[] bytes)

Generates the same UUID value encoded as Base62, 22 characters long, if the bytes are the same.