Package org.axonframework.common

Class DefaultIdentifierFactory

java.lang.Object

org.axonframework.common.IdentifierFactory

org.axonframework.common.DefaultIdentifierFactory

public class DefaultIdentifierFactory
extends IdentifierFactory

Default IdentifierFactory implementation that uses generates random java.util.UUID based identifiers. Although the performance of this strategy is not the best out there, it has native supported on all JVMs.

This implementations selects a random identifier out of about 3 x 10³⁸ possible values, making the chance to get a duplicate incredibly small.

Since:

1.2

Author:

Allard Buijze

Constructor Summary

Constructors

Constructor	Description
DefaultIdentifierFactory()

Method Summary

Modifier and Type	Method	Description
String	generateIdentifier()	Generates a unique identifier for use by Entities (generally the Aggregate Root) and Events.

Methods inherited from class org.axonframework.common.IdentifierFactory

getInstance

Methods inherited from class java.lang.Object

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

Constructor Details

DefaultIdentifierFactory

public DefaultIdentifierFactory()

Method Details

generateIdentifier

public String generateIdentifier()

Generates a unique identifier for use by Entities (generally the Aggregate Root) and Events. The implementation may choose whatever strategy it sees fit, as long as the chance of a duplicate identifier is acceptable to the application.

This implementation creates identifiers based on pseudo-random UUIDs.

Specified by:

generateIdentifier in class IdentifierFactory

Returns:

a String representation of a unique identifier