Java Code Examples for net.sf.cglib.proxy.Enhancer#setCallbacks()

The following examples show how to use net.sf.cglib.proxy.Enhancer#setCallbacks() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: ComponentInstantiationPostProcessor.java From cosmic with Apache License 2.0

6 votes

@Override
public Object postProcessBeforeInstantiation(final Class<?> beanClass, final String beanName) throws BeansException {
    if (_interceptors != null && _interceptors.size() > 0) {
        if (ComponentMethodInterceptable.class.isAssignableFrom(beanClass)) {
            final Enhancer enhancer = new Enhancer();
            enhancer.setSuperclass(beanClass);
            enhancer.setCallbacks(getCallbacks());
            enhancer.setCallbackFilter(getCallbackFilter());
            enhancer.setNamingPolicy(ComponentNamingPolicy.INSTANCE);

            final Object bean = enhancer.create();
            return bean;
        }
    }
    return null;
}

Example 2

Source File: ComponentInstantiationPostProcessor.java From cloudstack with Apache License 2.0

6 votes

@Override
public Object postProcessBeforeInstantiation(Class<?> beanClass, String beanName) throws BeansException {
    if (_interceptors != null && _interceptors.size() > 0) {
        if (ComponentMethodInterceptable.class.isAssignableFrom(beanClass)) {
            Enhancer enhancer = new Enhancer();
            enhancer.setSuperclass(beanClass);
            enhancer.setCallbacks(getCallbacks());
            enhancer.setCallbackFilter(getCallbackFilter());
            enhancer.setNamingPolicy(ComponentNamingPolicy.INSTANCE);

            Object bean = enhancer.create();
            return bean;
        }
    }
    return null;
}

Example 3

Source File: ClassByImplementationBenchmark.java From byte-buddy with Apache License 2.0

6 votes

/**
 * Performs a benchmark of an interface implementation using cglib.
 *
 * @return The created instance, in order to avoid JIT removal.
 */
@Benchmark
public ExampleInterface benchmarkCglib() {
    Enhancer enhancer = new Enhancer();
    enhancer.setUseCache(false);
    enhancer.setClassLoader(newClassLoader());
    enhancer.setSuperclass(baseClass);
    CallbackHelper callbackHelper = new CallbackHelper(Object.class, new Class[]{baseClass}) {
        protected Object getCallback(Method method) {
            if (method.getDeclaringClass() == baseClass) {
                return new FixedValue() {
                    public Object loadObject() {
                        return null;
                    }
                };
            } else {
                return NoOp.INSTANCE;
            }
        }
    };
    enhancer.setCallbackFilter(callbackHelper);
    enhancer.setCallbacks(callbackHelper.getCallbacks());
    return (ExampleInterface) enhancer.create();
}

Example 4

Source File: DalTransactionManager.java From das with Apache License 2.0

5 votes

@SuppressWarnings("unchecked")
public static <T> T create(Class<T> targetClass) throws InstantiationException, IllegalAccessException {
    Enhancer enhancer = new Enhancer();
    enhancer.setSuperclass(targetClass);
    enhancer.setClassLoader(targetClass.getClassLoader());
    enhancer.setCallbackFilter(new TransactionalCallbackFilter());
    Callback[] callbacks = new Callback[] {new DasTransactionInterceptor(), NoOp.INSTANCE};
    enhancer.setCallbacks(callbacks);
    enhancer.setInterfaces(new Class[] {TransactionalIntercepted.class});
    return (T) enhancer.create();
}

Example 5

Source File: DalTransactionManager.java From dal with Apache License 2.0

5 votes

@SuppressWarnings("unchecked")
public static <T> T create(Class<T> targetClass) throws InstantiationException, IllegalAccessException {
    Enhancer enhancer = new Enhancer();
    enhancer.setSuperclass(targetClass);
    enhancer.setClassLoader(targetClass.getClassLoader());
    enhancer.setCallbackFilter(new TransactionalCallbackFilter());
    Callback[] callbacks = new Callback[] {new DalTransactionInterceptor(), NoOp.INSTANCE};
    enhancer.setCallbacks(callbacks);
    enhancer.setInterfaces(new Class[] {TransactionalIntercepted.class});
    return (T) enhancer.create();
}

Example 6

Source File: GenericDaoBase.java From cosmic with Apache License 2.0

4 votes

protected GenericDaoBase() {
    super();
    final Type t = getClass().getGenericSuperclass();
    if (t instanceof ParameterizedType) {
        _entityBeanType = (Class<T>) ((ParameterizedType) t).getActualTypeArguments()[0];
    } else if (((Class<?>) t).getGenericSuperclass() instanceof ParameterizedType) {
        _entityBeanType = (Class<T>) ((ParameterizedType) ((Class<?>) t).getGenericSuperclass()).getActualTypeArguments()[0];
    } else {
        _entityBeanType = (Class<T>) ((ParameterizedType) ((Class<?>) ((Class<?>) t).getGenericSuperclass()).getGenericSuperclass()).getActualTypeArguments()[0];
    }

    s_daoMaps.put(_entityBeanType.getCanonicalName(), this);
    final Class<?>[] interfaceClasses = _entityBeanType.getInterfaces();
    if (interfaceClasses != null) {
        for (final Class<?> interfaceClass : interfaceClasses) {
            s_daoMaps.put(interfaceClass.getCanonicalName(), this);
        }
    }
    logDetectedDaos();

    _table = DbUtil.getTableName(_entityBeanType);

    final SqlGenerator generator = new SqlGenerator(_entityBeanType);
    _partialSelectSql = generator.buildSelectSql(false);
    _count = generator.buildCountSql();
    _distinctIdSql = generator.buildDistinctIdSql();
    _partialQueryCacheSelectSql = generator.buildSelectSql(true);
    _embeddedFields = generator.getEmbeddedFields();
    _insertSqls = generator.buildInsertSqls();
    final Pair<StringBuilder, Map<String, Object>> dc = generator.buildDiscriminatorClause();
    _discriminatorClause = dc.first().length() == 0 ? null : dc.first();
    _discriminatorValues = dc.second();

    _idAttributes = generator.getIdAttributes();
    _idField = _idAttributes.get(_table).length > 0 ? _idAttributes.get(_table)[0].field : null;

    _tables = generator.buildTableReferences();

    _allAttributes = generator.getAllAttributes();
    _allColumns = generator.getAllColumns();

    _selectByIdSql = buildSelectByIdSql(createPartialSelectSql(null, true));
    _removeSql = generator.buildRemoveSql();
    _deleteSqls = generator.buildDeleteSqls();
    _removed = generator.getRemovedAttribute();
    _tgs = generator.getTableGenerators();
    _ecAttributes = generator.getElementCollectionAttributes();

    TableGenerator tg = this.getClass().getAnnotation(TableGenerator.class);
    if (tg != null) {
        _tgs.put(tg.name(), tg);
    }
    tg = this.getClass().getSuperclass().getAnnotation(TableGenerator.class);
    if (tg != null) {
        _tgs.put(tg.name(), tg);
    }

    final Callback[] callbacks = new Callback[]{NoOp.INSTANCE, new UpdateBuilder(this)};

    _enhancer = new Enhancer();
    _enhancer.setSuperclass(_entityBeanType);
    _enhancer.setCallbackFilter(s_callbackFilter);
    _enhancer.setCallbacks(callbacks);
    _factory = (Factory) _enhancer.create();

    _searchEnhancer = new Enhancer();
    _searchEnhancer.setSuperclass(_entityBeanType);
    _searchEnhancer.setCallback(new UpdateBuilder(this));

    if (s_logger.isTraceEnabled()) {
        s_logger.trace("Select SQL: " + _partialSelectSql.first().toString());
        s_logger.trace("Remove SQL: " + (_removeSql != null ? _removeSql.first() : "No remove sql"));
        s_logger.trace("Select by Id SQL: " + _selectByIdSql);
        s_logger.trace("Table References: " + _tables);
        s_logger.trace("Insert SQLs:");
        for (final Pair<String, Attribute[]> insertSql : _insertSqls) {
            s_logger.trace(insertSql.first());
        }

        s_logger.trace("Delete SQLs");
        for (final Pair<String, Attribute[]> deletSql : _deleteSqls) {
            s_logger.trace(deletSql.first());
        }

        s_logger.trace("Collection SQLs");
        for (final Attribute attr : _ecAttributes) {
            final EcInfo info = (EcInfo) attr.attache;
            s_logger.trace(info.insertSql);
            s_logger.trace(info.selectSql);
        }
    }

    setRunLevel(ComponentLifecycle.RUN_LEVEL_SYSTEM);
}

Example 7

Source File: GenericDaoBase.java From cloudstack with Apache License 2.0

4 votes

@SuppressWarnings("unchecked")
protected GenericDaoBase() {
    super();
    Type t = getClass().getGenericSuperclass();
    if (t instanceof ParameterizedType) {
        _entityBeanType = (Class<T>)((ParameterizedType)t).getActualTypeArguments()[0];
    } else if (((Class<?>)t).getGenericSuperclass() instanceof ParameterizedType) {
        _entityBeanType = (Class<T>)((ParameterizedType)((Class<?>)t).getGenericSuperclass()).getActualTypeArguments()[0];
    } else {
        _entityBeanType = (Class<T>)((ParameterizedType)((Class<?>)((Class<?>)t).getGenericSuperclass()).getGenericSuperclass()).getActualTypeArguments()[0];
    }

    s_daoMaps.put(_entityBeanType, this);
    Class<?>[] interphaces = _entityBeanType.getInterfaces();
    if (interphaces != null) {
        for (Class<?> interphace : interphaces) {
            s_daoMaps.put(interphace, this);
        }
    }

    _table = DbUtil.getTableName(_entityBeanType);

    final SqlGenerator generator = new SqlGenerator(_entityBeanType);
    _partialSelectSql = generator.buildSelectSql(false);
    _count = generator.buildCountSql();
    _distinctIdSql= generator.buildDistinctIdSql();
    _partialQueryCacheSelectSql = generator.buildSelectSql(true);
    _embeddedFields = generator.getEmbeddedFields();
    _insertSqls = generator.buildInsertSqls();
    final Pair<StringBuilder, Map<String, Object>> dc = generator.buildDiscriminatorClause();
    _discriminatorClause = dc.first().length() == 0 ? null : dc.first();
    _discriminatorValues = dc.second();

    _idAttributes = generator.getIdAttributes();
    _idField = _idAttributes.get(_table).length > 0 ? _idAttributes.get(_table)[0].field : null;

    _tables = generator.buildTableReferences();

    _allAttributes = generator.getAllAttributes();
    _allColumns = generator.getAllColumns();

    _selectByIdSql = buildSelectByIdSql(createPartialSelectSql(null, true));
    _removeSql = generator.buildRemoveSql();
    _deleteSqls = generator.buildDeleteSqls();
    _removed = generator.getRemovedAttribute();
    _tgs = generator.getTableGenerators();
    _ecAttributes = generator.getElementCollectionAttributes();

    TableGenerator tg = this.getClass().getAnnotation(TableGenerator.class);
    if (tg != null) {
        _tgs.put(tg.name(), tg);
    }
    tg = this.getClass().getSuperclass().getAnnotation(TableGenerator.class);
    if (tg != null) {
        _tgs.put(tg.name(), tg);
    }

    Callback[] callbacks = new Callback[] {NoOp.INSTANCE, new UpdateBuilder(this)};

    _enhancer = new Enhancer();
    _enhancer.setSuperclass(_entityBeanType);
    _enhancer.setCallbackFilter(s_callbackFilter);
    _enhancer.setCallbacks(callbacks);
    _factory = (Factory)_enhancer.create();

    _searchEnhancer = new Enhancer();
    _searchEnhancer.setSuperclass(_entityBeanType);
    _searchEnhancer.setCallback(new UpdateBuilder(this));

    if (s_logger.isTraceEnabled()) {
        s_logger.trace("Select SQL: " + _partialSelectSql.first().toString());
        s_logger.trace("Remove SQL: " + (_removeSql != null ? _removeSql.first() : "No remove sql"));
        s_logger.trace("Select by Id SQL: " + _selectByIdSql);
        s_logger.trace("Table References: " + _tables);
        s_logger.trace("Insert SQLs:");
        for (final Pair<String, Attribute[]> insertSql : _insertSqls) {
            s_logger.trace(insertSql.first());
        }

        s_logger.trace("Delete SQLs");
        for (final Pair<String, Attribute[]> deletSql : _deleteSqls) {
            s_logger.trace(deletSql.first());
        }

        s_logger.trace("Collection SQLs");
        for (Attribute attr : _ecAttributes) {
            EcInfo info = (EcInfo)attr.attache;
            s_logger.trace(info.insertSql);
            s_logger.trace(info.selectSql);
        }
    }

    setRunLevel(ComponentLifecycle.RUN_LEVEL_SYSTEM);
}