EntityLinkManager Link Behavior

Link Behavior

Excluding links

You can exclude links from being managed. Tune per relationship with @LinkPolicy

public class Anchor extends Component {
    @EntityId @LinkPolicy(SKIP)
    public int target;
}

Policy overview

Policy	LinkListener callbacks
SKIP	<none>
CHECK_SOURCE	::onLinkEstablished, ::onLinkKilled
CHECK_SOURCE_AND_TARGETS	::onLinkEstablished, ::onLinkKilled, ::onTargetChanged, ::onTargetDead

Default link behavior

Default behavior differs between normal references and bags.

	default policy	note
@EntityId int	CHECK_SOURCE_AND_TARGETS
Entity	CHECK_SOURCE_AND_TARGETS
@EntityId IntBag	CHECK_SOURCE	Even with CHECK_SOURCE_AND_TARGETS, never calls #onTargetChanged
Bag<Entity>	CHECK_SOURCE	Even with, CHECK_SOURCE_AND_TARGETS, never calls #onTargetChanged