Examples of org.axonframework.saga.Saga

org.axonframework.saga.Saga
Interface describing an implementation of a Saga. Sagas are instances that handle events and may possibly produce new commands or have other side effects. Typically, Sagas are used to manage long running business transactions.
Multiple instances of a single type of Saga may exist. In that case, each Saga will be managing a different transaction. Sagas need to be associated with concepts in order to receive specific events. These associations are managed through AssociationValues. For example, to associate a saga with an Order with ID 1234, this saga needs an association value with key "orderId" and value "1234". @author Allard Buijze @since 0.7


        reset(sagaCache, associationsCache);


        when(repository.load("id")).thenReturn(saga);


        Saga actual = testSubject.load("id");
        assertSame(saga, actual);


        verify(sagaCache).get("id");
        verify(sagaCache).put("id", saga);
        verify(associationsCache, never()).put(any(), any());

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    @Test
    public void testAddAndLoadSaga_ByIdentifier() {
        String identifier = UUID.randomUUID().toString();
        StubSaga saga = new StubSaga(identifier);
        repository.add(saga);
        Saga loaded = repository.load(identifier);
        assertEquals(identifier, loaded.getSagaIdentifier());
        assertNotNull(entityManager.find(SagaEntry.class, identifier));
    }

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        StubSaga saga = new StubSaga(identifier);
        saga.registerAssociationValue(new AssociationValue("key", "value"));
        repository.add(saga);
        Set<String> loaded = repository.find(StubSaga.class, new AssociationValue("key", "value"));
        assertEquals(1, loaded.size());
        Saga loadedSaga = repository.load(loaded.iterator().next());
        assertEquals(identifier, loadedSaga.getSagaIdentifier());
        assertNotNull(entityManager.find(SagaEntry.class, identifier));
    }

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        repository.add(saga);
        saga.registerAssociationValue(new AssociationValue("key", "value"));
        repository.commit(saga);
        Set<String> loaded = repository.find(StubSaga.class, new AssociationValue("key", "value"));
        assertEquals(1, loaded.size());
        Saga loadedSaga = repository.load(loaded.iterator().next());
        assertEquals(identifier, loadedSaga.getSagaIdentifier());
        assertNotNull(entityManager.find(SagaEntry.class, identifier));
    }

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        String identifier = UUID.randomUUID().toString();
        StubSaga saga = new StubSaga(identifier);
        entityManager.persist(new SagaEntry(saga, new XStreamSerializer()));
        entityManager.flush();
        entityManager.clear();
        Saga loaded = repository.load(identifier);
        assertNotSame(saga, loaded);
        assertEquals(identifier, loaded.getSagaIdentifier());
    }

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                                                        identifier, new AssociationValue("key", "value")));
        entityManager.flush();
        entityManager.clear();
        Set<String> loaded = repository.find(StubSaga.class, new AssociationValue("key", "value"));
        assertEquals(1, loaded.size());
        Saga loadedSaga = repository.load(loaded.iterator().next());
        assertEquals(identifier, loadedSaga.getSagaIdentifier());
        assertNotSame(loadedSaga, saga);
        assertNotNull(entityManager.find(SagaEntry.class, identifier));
    }

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        StubSaga saga = new StubSaga(identifier);
        repository.storeSaga(saga);
        StubSaga loaded = (StubSaga) repository.load(identifier);
        repository.commit(loaded);


        Saga load = repository.load(identifier);
        assertNotSame(loaded, load);
    }

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        StubSaga saga = new StubSaga(identifier);
        repository.storeSaga(saga);
        StubSaga loaded = (StubSaga) repository.load(identifier);
        repository.commit(loaded);


        Saga load = repository.load(identifier);
        assertNotSame(loaded, load);


        uow.commit();


        // the datasource should only have been asked once

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    @Test
    public void testAddAndLoadSaga_ByIdentifier() {
        String identifier = UUID.randomUUID().toString();
        StubSaga saga = new StubSaga(identifier);
        repository.add(saga);
        Saga loaded = repository.load(identifier);
        assertEquals(identifier, loaded.getSagaIdentifier());
        assertNotNull(entityManager.find(SagaEntry.class, identifier));
    }

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        StubSaga saga = new StubSaga(identifier);
        saga.registerAssociationValue(new AssociationValue("key", "value"));
        repository.add(saga);
        Set<String> loaded = repository.find(StubSaga.class, new AssociationValue("key", "value"));
        assertEquals(1, loaded.size());
        Saga loadedSaga = repository.load(loaded.iterator().next());
        assertEquals(identifier, loadedSaga.getSagaIdentifier());
        assertNotNull(entityManager.find(SagaEntry.class, identifier));
    }

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