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PersistenceObjectStrategy option, basic test 'insert-failover-shouldF…
…ireRules'
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nprentza
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Jul 31, 2023
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39 changes: 39 additions & 0 deletions
39
...liability-core/src/main/java/org/drools/reliability/core/SerializableStoredRefObject.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| package org.drools.reliability.core; | ||
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| import org.drools.core.common.Storage; | ||
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| import java.lang.reflect.Field; | ||
| import java.util.Arrays; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.Optional; | ||
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| public class SerializableStoredRefObject extends SerializableStoredObject { | ||
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| private final Map<String, Long> referencedObjects; | ||
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| public SerializableStoredRefObject(Object object, boolean propagated) { | ||
| super(object, propagated); | ||
| referencedObjects=new HashMap<>(); | ||
| } | ||
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| public void addReferencedObject(String fieldName, Long refObjectKey){ | ||
| this.referencedObjects.put(fieldName, refObjectKey); | ||
| } | ||
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| public StoredObject updateReferencedObjects(Storage<Long, StoredObject> storage){ | ||
| this.referencedObjects.keySet().forEach(fieldName -> { | ||
| Optional<Field> refField = Arrays.stream(object.getClass().getDeclaredFields()) | ||
| .filter(f -> f.getName().equals(fieldName)).findFirst(); | ||
| if (refField.isPresent()){ | ||
| refField.get().setAccessible(true); | ||
| try { | ||
| refField.get().set(this.object, storage.get(this.referencedObjects.get(refField.get().getName())).getObject()); | ||
| } catch (IllegalAccessException e) { | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
| }); | ||
| return this; | ||
| } | ||
| } |
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86 changes: 86 additions & 0 deletions
86
.../src/main/java/org/drools/reliability/core/SimpleSerializationReliableRefObjectStore.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package org.drools.reliability.core; | ||
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| import org.drools.core.common.InternalFactHandle; | ||
| import org.drools.core.common.Storage; | ||
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| import java.lang.reflect.Field; | ||
| import java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
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| public class SimpleSerializationReliableRefObjectStore extends SimpleSerializationReliableObjectStore { | ||
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| public SimpleSerializationReliableRefObjectStore(Storage<Long, StoredObject> storage) { | ||
| super(storage); | ||
| this.storage = storage.size()>0 ? updateObjectReferences(storage) : storage; | ||
| } | ||
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| private Storage<Long, StoredObject> updateObjectReferences(Storage<Long, StoredObject> storage){ | ||
| Storage<Long, StoredObject> updateStorage = storage; | ||
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| for (Long key: storage.keySet()){ | ||
| updateStorage.put(key, ((SerializableStoredRefObject) storage.get(key)).updateReferencedObjects(storage)); | ||
| } | ||
| return updateStorage; | ||
| } | ||
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| @Override | ||
| public void putIntoPersistedStorage(InternalFactHandle handle, boolean propagated) { | ||
| Object object = handle.getObject(); | ||
| StoredObject storedObject = factHandleToStoredObject(handle, reInitPropagated || propagated, object); | ||
| storage.put(getHandleForObject(object).getId(), setReferencedObjects(storedObject)); | ||
| } | ||
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| @Override | ||
| protected StoredObject createStoredObject(boolean propagated, Object object) { | ||
| return new SerializableStoredRefObject(object, propagated); | ||
| } | ||
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| private void updateReferencedObjects(StoredObject object){ | ||
| List<Field> referencedObjects = getReferencedObjects(object.getObject()); | ||
| if (referencedObjects.size()>0) { | ||
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| } | ||
| } | ||
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| private StoredObject setReferencedObjects(StoredObject object){ | ||
| List<Field> referencedObjects = getReferencedObjects(object.getObject()); | ||
| if (referencedObjects.size()>0) { | ||
| // for each referenced object in sObject | ||
| // lookup in storage, find the object of reference, get its fact handle id | ||
| // save this association in the StoredObject | ||
| referencedObjects.forEach(field -> { | ||
| field.setAccessible(true); | ||
| Object fieldObject = null; | ||
| try { | ||
| fieldObject = field.get(object.getObject()); | ||
| } catch (IllegalAccessException e) { | ||
| e.printStackTrace(); | ||
| } | ||
| Long objectKey = fromObjectToFactHandleId(fieldObject); | ||
| if (objectKey!=null){ | ||
| ((SerializableStoredRefObject) object).addReferencedObject(field.getName(), objectKey);} | ||
| }); | ||
| } | ||
| return object; | ||
| } | ||
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| private Long fromObjectToFactHandleId(Object object){ | ||
| for (Long key : this.storage.keySet()){ | ||
| if (( (SerializableStoredRefObject) storage.get(key)).getObject()==object){ | ||
| return key; | ||
| } | ||
| } | ||
| return null; | ||
| } | ||
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| private List<Field> getReferencedObjects(Object object){ | ||
| Field[] fields = object.getClass().getDeclaredFields(); | ||
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| List<Field> nonPrimitiveFields = Arrays.stream(fields) | ||
| .filter(field -> !field.getType().isPrimitive()) | ||
| .filter(field -> !field.getType().equals(String.class)) | ||
| .collect(Collectors.toList()); | ||
| return nonPrimitiveFields; | ||
| } | ||
| } |
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87 changes: 87 additions & 0 deletions
87
...iability-tests/src/test/java/org/drools/reliability/test/ReliabilityFireAndAlarmTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| package org.drools.reliability.test; | ||
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| import org.junit.jupiter.params.ParameterizedTest; | ||
| import org.junit.jupiter.params.provider.MethodSource; | ||
| import org.kie.api.runtime.conf.PersistedSessionOption; | ||
| import org.kie.api.runtime.rule.FactHandle; | ||
| import org.test.domain.fireandalarm.Alarm; | ||
| import org.test.domain.fireandalarm.Fire; | ||
| import org.test.domain.fireandalarm.Room; | ||
| import org.test.domain.fireandalarm.Sprinkler; | ||
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| import static org.assertj.core.api.Assertions.assertThat; | ||
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| public class ReliabilityFireAndAlarmTest extends ReliabilityTestBasics{ | ||
| private static final String FIRE_AND_ALARM = | ||
| "import " + Alarm.class.getCanonicalName() + ";" + | ||
| "import " + Fire.class.getCanonicalName() + ";" + | ||
| "import " + Sprinkler.class.getCanonicalName() + ";" + | ||
| "import " + Room.class.getCanonicalName() + ";" + | ||
| "global java.util.List results;" + | ||
| "rule 'When there is a fire turn on the sprinkler' when\n" + | ||
| " Fire($room : room) \n" + | ||
| " $sprinkler: Sprinkler( room == $room, on == false ) \n" + | ||
| "then\n" + | ||
| " modify($sprinkler) { setOn(true); } \n" + | ||
| " System.out.println(\"Turn on the sprinkler for room\" + $room.getName()); \n" + | ||
| "end\n" + | ||
| "rule 'Raise the alarm when we have one or more firs' when\n" + | ||
| " exists Fire() \n" + | ||
| "then\n" + | ||
| " insert( new Alarm() );\n" + | ||
| " System.out.println(\"Raise the alarm\");\n" + | ||
| "end\n"+ | ||
| "rule 'Cancel the alarm when all the fires have gone' when \n" + | ||
| " not Fire() \n" + | ||
| " $alarm : Alarm() \n" + | ||
| "then\n" + | ||
| " delete ( $alarm ); \n" + | ||
| " System.out.println(\"Cancel the alarm\"); \n" + | ||
| "end\n" + | ||
| "rule 'Status output when things are ok' when\n" + | ||
| " not Alarm() \n" + | ||
| " not Sprinkler ( on == true ) \n" + | ||
| "then \n" + | ||
| " System.out.println(\"Everything is ok\"); \n" + | ||
| "end"; | ||
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| @ParameterizedTest | ||
| @MethodSource("strategyProviderStoresOnlyWithExplicitSafepoints") | ||
| void testNoFailover(PersistedSessionOption.PersistenceStrategy persistenceStrategy, PersistedSessionOption.SafepointStrategy safepointStrategy){ | ||
| createSession(FIRE_AND_ALARM, persistenceStrategy, safepointStrategy); | ||
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| // phase 1 | ||
| Room room1 = new Room("Room 1"); | ||
| insert(room1); | ||
| FactHandle fireFact1 = insert(new Fire(room1)); | ||
| fireAllRules(); | ||
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| // phase 2 | ||
| Sprinkler sprinkler1 = new Sprinkler(room1); | ||
| insert(sprinkler1); | ||
| fireAllRules(); | ||
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| assertThat(sprinkler1.isOn()).isTrue(); | ||
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| // phase 3 | ||
| delete(fireFact1); | ||
| fireAllRules(); | ||
| } | ||
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| @ParameterizedTest | ||
| @MethodSource("strategyProviderStoresOnlyWithExplicitSafepoints") | ||
| void testInsertFailover_ShouldFireRules(PersistedSessionOption.PersistenceStrategy persistenceStrategy, PersistedSessionOption.SafepointStrategy safepointStrategy){ | ||
| createSession(FIRE_AND_ALARM, persistenceStrategy, safepointStrategy, PersistedSessionOption.PersistenceObjectsStrategy.OBJECT_REFERENCES); | ||
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| Room room1 = new Room("Room 1"); | ||
| insert(room1); | ||
| insert(new Fire(room1)); | ||
| insert(new Sprinkler(room1)); | ||
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| failover(); | ||
| restoreSession(FIRE_AND_ALARM, persistenceStrategy,safepointStrategy,PersistedSessionOption.PersistenceObjectsStrategy.OBJECT_REFERENCES); | ||
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| assertThat(fireAllRules()).isEqualTo(2); | ||
| } | ||
| } |
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