Examples with Neo4jSession org.neo4j.ogm.session.Neo4jSession used on opensource projects

Example 1 with Neo4jSession

use of org.neo4j.ogm.session.Neo4jSession in project LinkAgent by shulieTech.

the class Neo4jSessionConstructorInterceptor method afterLast.

@Override
public void afterLast(Advice advice) {
    Object[] args = advice.getParameterArray();
    Object target = advice.getTarget();
    /**
     * 压测状态判断
     * 影子session回调
     */
    if (!PradarSwitcher.isClusterTestEnabled() || target instanceof Neo4JSessionExt) {
        return;
    }
    try {
        // 业务库session
        Neo4jSession sourceSession = (Neo4jSession) target;
        DriverConfiguration driverConfiguration = ((HttpDriver) args[1]).getConfiguration();
        String s = driverConfiguration.getURI();
        Credentials credentials = driverConfiguration.getCredentials();
        String username = null;
        if (credentials instanceof AuthTokenCredentials) {
            username = ((AuthTokenCredentials) credentials).credentials();
        } else if (credentials instanceof UsernamePasswordCredentials) {
            username = ((UsernamePasswordCredentials) credentials).getUsername();
        }
        DataSourceMeta<Neo4jSession> neo4jSessionDataSourceMeta = new DataSourceMeta<Neo4jSession>(s, username, sourceSession);
        if (DataSourceWrapUtil.pressureDataSources.containsKey(neo4jSessionDataSourceMeta) && DataSourceWrapUtil.pressureDataSources.get(neo4jSessionDataSourceMeta) != null) {
            // 该业务库数据源已经初始化过影子库
            return;
        }
        if (isPerformanceDataSource(driverConfiguration)) {
            // 业务库配置是已初始化的影子库
            return;
        }
        // 从应用的影子库配置中获取
        String key = DbUrlUtils.getKey(neo4jSessionDataSourceMeta.getUrl(), neo4jSessionDataSourceMeta.getUsername());
        if (!GlobalConfig.getInstance().containsShadowDatabaseConfig(key)) {
            ErrorReporter.buildError().setErrorType(ErrorTypeEnum.DataSource).setErrorCode("datasource-0002").setMessage("没有配置对应的影子表或影子库！").setDetail("业务库配置:::url: " + s + "; 中间件类型：other").closePradar(ConfigNames.SHADOW_DATABASE_CONFIGS).report();
            return;
        }
        MetaData metaData = (MetaData) args[0];
        DataSourceWrapUtil.metaDataMap.put(sourceSession, metaData);
        DataSourceWrapUtil.wrap(neo4jSessionDataSourceMeta);
    } catch (Throwable e) {
        ErrorReporter.buildError().setErrorType(ErrorTypeEnum.DataSource).setErrorCode("datasource-0003").setMessage("影子库配置异常，无法由配置正确生成影子库！").setDetail("url: " + ((HttpDriver) args[1]).getConfiguration().getURI() + Throwables.getStackTraceAsString(e)).closePradar(ConfigNames.SHADOW_DATABASE_CONFIGS).report();
        throw new PressureMeasureError("Neo4J-002:影子库初始化失败:", e);
    }
}

Example 2 with Neo4jSession

use of org.neo4j.ogm.session.Neo4jSession in project LinkAgent by shulieTech.

the class Neo4jSessionOperationCutOffInterceptor method cutoff0.

@Override
public CutOffResult cutoff0(Advice advice) {
    Object[] args = advice.getParameterArray();
    String methodName = advice.getBehaviorName();
    Object target = advice.getTarget();
    /**
     * 压测状态为关闭,如果当前为压测流量则直接报错
     */
    if (!PradarSwitcher.isClusterTestEnabled()) {
        if (Pradar.isClusterTest()) {
            throw new PressureMeasureError(PradarSwitcher.PRADAR_SWITCHER_OFF + ":" + AppNameUtils.appName());
        }
        return CutOffResult.passed();
    }
    if (!Pradar.isClusterTest()) {
        // 非压测流量
        return CutOffResult.passed();
    }
    if (target instanceof Neo4JSessionExt) {
        // 影子配置session回调
        return CutOffResult.passed();
    }
    // 避免因配置重新生效而导致使用旧配置
    Driver driver1 = Reflect.on(target).get(Neo4JConstants.DYNAMIC_FIELD_DRIVER);
    DriverConfiguration configuration = driver1.getConfiguration();
    String uri = configuration.getURI();
    Credentials credentials = configuration.getCredentials();
    String username = null;
    if (credentials instanceof AuthTokenCredentials) {
        username = ((AuthTokenCredentials) credentials).credentials();
    } else if (credentials instanceof UsernamePasswordCredentials) {
        username = ((UsernamePasswordCredentials) credentials).getUsername();
    }
    DataSourceMeta<Neo4jSession> neo4jSessionDataSourceMeta = new DataSourceMeta<Neo4jSession>(uri, username, (Neo4jSession) target);
    DataSourceWrapUtil.wrap(neo4jSessionDataSourceMeta);
    // 压测流量转发影子库
    if (!DataSourceWrapUtil.pressureDataSources.containsKey(neo4jSessionDataSourceMeta) || null == DataSourceWrapUtil.pressureDataSources.get(neo4jSessionDataSourceMeta)) {
        ErrorReporter.buildError().setErrorType(ErrorTypeEnum.DataSource).setErrorCode("datasource-0002").setMessage("没有配置对应的影子库！").setDetail("Neo4J").closePradar(ConfigNames.SHADOW_DATABASE_CONFIGS).report();
        throw new PressureMeasureError("Neo4J-002:影子库配置不存在!");
    }
    DbMediatorDataSource<?> dbMediatorDataSource = DataSourceWrapUtil.pressureDataSources.get(neo4jSessionDataSourceMeta);
    Neo4JSessionExt dataSourcePerformanceTest = (Neo4JSessionExt) dbMediatorDataSource.getDataSourcePerformanceTest();
    Operation operation = Neo4JSessionOperation.of(methodName);
    PradarSwitcher.httpPassPrefix.set(dataSourcePerformanceTest.getDriver().getConfiguration().getURI());
    return CutOffResult.cutoff(operation.invoke(dataSourcePerformanceTest, args));
}

Example 3 with Neo4jSession

use of org.neo4j.ogm.session.Neo4jSession in project neo4j-ogm by neo4j.

the class PizzaIntegrationTest method shouldBeAbleToModifyPropertiesAndRelsWithinSingleSave.

@Test
public void shouldBeAbleToModifyPropertiesAndRelsWithinSingleSave() {
    Crust crust = new Crust("Thin Crust");
    Topping pepperoni = new Topping("Pepperoni");
    final ArrayList<Topping> toppings = new ArrayList<>();
    toppings.add(pepperoni);
    Pizza pizza = new Pizza("Godfather", crust, toppings);
    session.save(pizza);
    Topping mushroom = new Topping("Mushroom");
    session.save(pepperoni);
    session.save(mushroom);
    session.clear();
    Long id = pizza.getId();
    assertThat(id).isNotNull();
    // detach the pizza
    Session session2 = sessionFactory.openSession();
    // NOTE: if we instead reload into our pizza object, the test will pass, but what
    // this does is create a new object in the session. And, rather than work with
    // the new attached object 'loadedPizza', we continue to work with the detached object, 'pizza'.
    // this is the first condition for failure.
    Pizza loadedPizza = session2.load(Pizza.class, id);
    // now we create a relationship and update a property on the detached pizza object.
    // note that we don't save the Crust first. Crust is a new object when pizza is saved, so
    // we will generate a 2-statement cypher request. This is the second condition for failure
    loadedPizza.setName("Just bread");
    loadedPizza.getToppings().clear();
    Topping pepperoniTopping = session2.load(Topping.class, pepperoni.getId());
    loadedPizza.getToppings().add(pepperoniTopping);
    Topping mushroomTopping = session2.load(Topping.class, pepperoni.getId());
    loadedPizza.getToppings().add(mushroomTopping);
    // pizza should be dirty
    assertThat(((Neo4jSession) session2).context().isDirty(loadedPizza)).isTrue();
    session2.save(loadedPizza);
    // pizza should NOT be dirty - but it is, indicating it's not current in the cache.
    // this should pass
    assertThat(((Neo4jSession) session2).context().isDirty(loadedPizza)).isFalse();
}

Example 4 with Neo4jSession

use of org.neo4j.ogm.session.Neo4jSession in project neo4j-ogm by neo4j.

the class MovieTest method testDeserialiseMovie.

@Test
public void testDeserialiseMovie() {
    MetaData metadata = new MetaData("org.neo4j.ogm.domain.cineasts.annotated");
    Neo4jSession session = new Neo4jSession(metadata, true, new MoviesRequest());
    Movie movie = session.load(Movie.class, UUID.fromString("38ebe777-bc85-4810-8217-096f29a361f1"), 1);
    assertThat(movie.getTitle()).isEqualTo("Pulp Fiction");
    assertThat(movie.getRatings()).isNotNull();
    assertThat(movie.getRatings()).hasSize(1);
    Rating rating = movie.getRatings().iterator().next();
    assertThat(rating.getUser().getName()).isEqualTo("Michal");
    assertThat(rating.getMovie().getTitle()).isEqualTo("Pulp Fiction");
}

Example 5 with Neo4jSession

use of org.neo4j.ogm.session.Neo4jSession in project neo4j-ogm by neo4j.

the class BasicDriverTest method shouldSaveMultipleObjectsWithWriteProtection.

@Test
public void shouldSaveMultipleObjectsWithWriteProtection() throws Exception {
    User bilbo = new User("Bilbo Baggins");
    session.save(bilbo);
    session.clear();
    try {
        ((Neo4jSession) session).addWriteProtection(WriteProtectionTarget.PROPERTIES, object -> (object instanceof User) && bilbo.getId().equals(((User) object).getId()));
        User frodo = new User("Frodo Beutlin");
        bilbo.befriend(frodo);
        bilbo.setName("The wrong name");
        // Get an Iterable which is not a Collection
        Iterable<User> iterable = Stream.of(bilbo, frodo)::iterator;
        assertThat(iterable).isNotInstanceOf(Collection.class);
        session.save(iterable);
        session.clear();
        Collection<User> users = session.loadAll(User.class);
        assertThat(users).hasSize(2).extracting(User::getName).containsExactlyInAnyOrder("Bilbo Baggins", "Frodo Beutlin");
    } finally {
        ((Neo4jSession) session).removeWriteProtection(WriteProtectionTarget.PROPERTIES);
    }
}