| 1 | /* |
| 2 | @license.text@ |
| 3 | */ |
| 4 | package com.hammurapi.eventbus.tests.familyties.rules; |
| 5 | |
| 6 | import com.hammurapi.eventbus.Handler; |
| 7 | import com.hammurapi.eventbus.tests.familyties.FamilyTiesEventDispatchContext; |
| 8 | import com.hammurapi.eventbus.tests.familyties.model.Brother; |
| 9 | import com.hammurapi.eventbus.tests.familyties.model.Child; |
| 10 | import com.hammurapi.eventbus.tests.familyties.model.Sibling; |
| 11 | import com.hammurapi.eventbus.tests.familyties.model.Sister; |
| 12 | |
| 13 | public class SiblingRules extends FamilyTiesRules { |
| 14 | |
| 15 | /** |
| 16 | * Male sibling is brother, female sibling is sister. |
| 17 | * If A is a sibling of B then B is a sibling of A. |
| 18 | * @param sibling |
| 19 | * @return Brother or Sister. |
| 20 | */ |
| 21 | @Handler(posts={Sibling.class, Brother.class, Sister.class}) |
| 22 | public Sibling infer(FamilyTiesEventDispatchContext dispatchContext, Sibling sibling) { |
| 23 | dispatchContext.post(new Sibling(sibling.getObject(), sibling.getSubject())); |
| 24 | |
| 25 | if (sibling.getSubject().isMale()) { |
| 26 | if (!(sibling instanceof Brother)) { |
| 27 | return new Brother(sibling.getSubject(), sibling.getObject()); |
| 28 | } |
| 29 | } else { |
| 30 | if (!(sibling instanceof Sister)) { |
| 31 | return new Sister(sibling.getSubject(), sibling.getObject()); |
| 32 | } |
| 33 | } |
| 34 | return null; |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * If two children have common parent then they are siblings. |
| 39 | * @param child |
| 40 | * @param anotherChild |
| 41 | */ |
| 42 | @Handler(value="java(*)://!child.getSubject().equals(anotherChild.getSubject()) && child.getObject().equals(anotherChild.getObject())", posts=Sibling.class) |
| 43 | public void infer(FamilyTiesEventDispatchContext dispatchContext, Child child, Child anotherChild) { |
| 44 | dispatchContext.post(new Sibling(child.getSubject(), anotherChild.getSubject())); |
| 45 | dispatchContext.post(new Sibling(anotherChild.getSubject(), child.getSubject())); |
| 46 | } |
| 47 | } |