Package com.opencqrs.framework.command

Enum Class Command.SubjectCondition

java.lang.Object

java.lang.Enum<Command.SubjectCondition>

com.opencqrs.framework.command.Command.SubjectCondition

All Implemented Interfaces:

Serializable, Comparable<Command.SubjectCondition>, Constable

Enclosing interface:

Command

public static enum Command.SubjectCondition
extends Enum<Command.SubjectCondition>

The subject condition checked before CommandHandler execution.

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
EXISTS	Assures that the given subject exists, that is at least one Event was sourced with that specific Event.subject(), in spite of any recursive subjects.
NONE	No condition checks apply to the given subject.
PRISTINE	Assures that the given subject does not exist, that is no Event was sourced with that specific Event.subject(), in spite of any recursive subjects.

Method Summary

Modifier and Type	Method	Description
static Command.SubjectCondition	valueOf(String name)	Returns the enum constant of this class with the specified name.
static Command.SubjectCondition[]	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

NONE

public static final Command.SubjectCondition NONE

No condition checks apply to the given subject.

PRISTINE

public static final Command.SubjectCondition PRISTINE

Assures that the given subject does not exist, that is no Event was sourced with that specific Event.subject(), in spite of any recursive subjects. Otherwise CommandSubjectAlreadyExistsException will be thrown.

The condition cannot be checked properly, if SourcingMode.NONE is used.

EXISTS

public static final Command.SubjectCondition EXISTS

Assures that the given subject exists, that is at least one Event was sourced with that specific Event.subject(), in spite of any recursive subjects. Otherwise CommandSubjectDoesNotExistException will be thrown.

The condition cannot be checked properly, if SourcingMode.NONE is used.

Method Details

values

public static Command.SubjectCondition[] 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 Command.SubjectCondition 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