Package org.springframework.modulith.events.support

Class BrokerRouting

java.lang.Object

org.springframework.modulith.events.support.BrokerRouting

Direct Known Subclasses:

BrokerRouting.SpelBrokerRouting

public class BrokerRouting
extends Object

A BrokerRouting supports RoutingTarget instances that contain values matching the format $target::$key for which both the target and key can be a SpEL expression.

Since:

1.1

Author:

Oliver Drotbohm

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	BrokerRouting.SpelBrokerRouting	A BrokerRouting that evaluates a RoutingTarget's key as SpEL expression.

Field Summary

Fields

Modifier and Type	Field	Description
protected final RoutingTarget	target

Method Summary

Modifier and Type	Method	Description
String	getKey(Object event)	Resolves the routing key against the given event.
String	getTarget()	Deprecated. since 1.3, call getTarget(Object) instead.
String	getTarget(Object event)	Returns the actual routing target for the given event.
static BrokerRouting	of(RoutingTarget target, EvaluationContext context)	Creates a new BrokerRouting for the given RoutingTarget and EvaluationContext.

Methods inherited from class java.lang.Object

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

Field Details

target

protected final RoutingTarget target

Method Details

of

public static BrokerRouting of(RoutingTarget target,
 EvaluationContext context)

Creates a new BrokerRouting for the given RoutingTarget and EvaluationContext.

Parameters:

target - must not be null.

context - must not be null.

Returns:

will never be null.

getTarget

@Deprecated
public String getTarget()

Deprecated.

since 1.3, call getTarget(Object) instead.

Returns the actual routing target.

Returns:

will never be null.

getTarget

public String getTarget(Object event)

Returns the actual routing target for the given event.

Parameters:

event - must not be null.

Returns:

will never be null.

Since:

1.3

getKey

@Nullable
public String getKey(Object event)

Resolves the routing key against the given event. In case the original RoutingTarget contained an expression, the event will be used as root object to evaluate that expression.

Parameters:

event - must not be null.

Returns:

can be null.