Package org.axonframework.modelling.command

Enum Class AggregateCreationPolicy

java.lang.Object

java.lang.Enum<AggregateCreationPolicy>

org.axonframework.modelling.command.AggregateCreationPolicy

All Implemented Interfaces:

Serializable, Comparable<AggregateCreationPolicy>, Constable

public enum AggregateCreationPolicy
extends Enum<AggregateCreationPolicy>

Enumeration containing the possible creation policies for aggregates.

Since:

4.3

Author:

Marc Gathier

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
ALWAYS	Always create a new instance of the aggregate on invoking the method.
CREATE_IF_MISSING	Create a new instance of the aggregate when it is not found.
NEVER	Expect instance of the aggregate to exist.

Method Summary

Modifier and Type	Method	Description
static AggregateCreationPolicy	valueOf(String name)	Returns the enum constant of this class with the specified name.
static AggregateCreationPolicy[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

ALWAYS

public static final AggregateCreationPolicy ALWAYS

Always create a new instance of the aggregate on invoking the method. Fail if already exists.

CREATE_IF_MISSING

public static final AggregateCreationPolicy CREATE_IF_MISSING

Create a new instance of the aggregate when it is not found.

NEVER

public static final AggregateCreationPolicy NEVER

Expect instance of the aggregate to exist. Fail if missing.

Method Details

values

public static AggregateCreationPolicy[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static AggregateCreationPolicy valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null