added RESTful response to SystemHealth.

Author: open-schnick

src/main/java/de/filefighter/rest/health/business/SystemHealthModelAssembler.java

@@ -1,16 +1,21 @@
 package de.filefighter.rest.health.business;
 
 import de.filefighter.rest.health.data.SystemHealth;
+import de.filefighter.rest.health.rest.HealthRestController;
 import org.jetbrains.annotations.NotNull;
 import org.springframework.hateoas.EntityModel;
 import org.springframework.hateoas.server.RepresentationModelAssembler;
 import org.springframework.stereotype.Component;
 
+import static org.springframework.hateoas.server.mvc.WebMvcLinkBuilder.linkTo;
+import static org.springframework.hateoas.server.mvc.WebMvcLinkBuilder.methodOn;
+
 @Component
 public class SystemHealthModelAssembler implements RepresentationModelAssembler<SystemHealth, EntityModel<SystemHealth>> {
 
     @Override
     public @NotNull EntityModel<SystemHealth> toModel(@NotNull SystemHealth entity) {
-        return EntityModel.of(entity);
+        return EntityModel.of(entity,
+                linkTo(methodOn(HealthRestController.class).getSystemHealthInfo()).withSelfRel());
     }
 }