Optimize:optimize SpringValueProcessor. (#655)
lingxiao,wu
2 years ago
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# Change Log
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# Change Log
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---
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---
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- [Optimize:optimize SpringValueProcessor.](https://github.com/Tencent/spring-cloud-tencent/pull/655)
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/*
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* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*/
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package com.tencent.cloud.polaris.config.spring.property;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import com.google.common.collect.LinkedListMultimap;
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import com.google.common.collect.Maps;
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import com.google.common.collect.Multimap;
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import com.google.common.collect.Sets;
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import com.tencent.cloud.polaris.config.config.PolarisConfigProperties;
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import org.springframework.beans.BeansException;
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import org.springframework.beans.MutablePropertyValues;
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import org.springframework.beans.PropertyValue;
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import org.springframework.beans.factory.config.BeanDefinition;
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import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
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import org.springframework.beans.factory.config.TypedStringValue;
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import org.springframework.beans.factory.support.BeanDefinitionRegistry;
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import org.springframework.beans.factory.support.BeanDefinitionRegistryPostProcessor;
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import org.springframework.lang.NonNull;
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/**
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* To process xml config placeholders, e.g.
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*
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* <pre>
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* <bean class="com.demo.bean.XmlBean">
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* <property name="timeout" value="${timeout:200}"/>
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* <property name="batch" value="${batch:100}"/>
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* </bean>
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* </pre>
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*
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* This source file was originally from:
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* <code><a href=https://github.com/apolloconfig/apollo/blob/master/apollo-client/src/main/java/com/ctrip/framework/apollo/spring/property/SpringValueDefinitionProcessor.java>
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* SpringValueDefinitionProcessor</a></code>
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*
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* @author weihubeats 2022-7-10
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*/
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public class SpringValueDefinitionProcessor implements BeanDefinitionRegistryPostProcessor {
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private static final Map<BeanDefinitionRegistry, Multimap<String, SpringValueDefinition>> beanName2SpringValueDefinitions =
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Maps.newConcurrentMap();
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private static final Set<BeanDefinitionRegistry> PROPERTY_VALUES_PROCESSED_BEAN_FACTORIES = Sets.newConcurrentHashSet();
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private final PlaceholderHelper placeholderHelper;
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private final PolarisConfigProperties polarisConfigProperties;
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public SpringValueDefinitionProcessor(PlaceholderHelper placeholderHelper, PolarisConfigProperties polarisConfigProperties) {
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this.polarisConfigProperties = polarisConfigProperties;
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this.placeholderHelper = placeholderHelper;
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}
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public static Multimap<String, SpringValueDefinition> getBeanName2SpringValueDefinitions(BeanDefinitionRegistry registry) {
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Multimap<String, SpringValueDefinition> springValueDefinitions = beanName2SpringValueDefinitions.get(registry);
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if (springValueDefinitions == null) {
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springValueDefinitions = LinkedListMultimap.create();
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}
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return springValueDefinitions;
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}
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@Override
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public void postProcessBeanDefinitionRegistry(@NonNull BeanDefinitionRegistry registry) throws BeansException {
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if (polarisConfigProperties.isAutoRefresh()) {
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processPropertyValues(registry);
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}
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}
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@Override
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public void postProcessBeanFactory(@NonNull ConfigurableListableBeanFactory beanFactory) throws BeansException {
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}
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private void processPropertyValues(BeanDefinitionRegistry beanRegistry) {
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if (!PROPERTY_VALUES_PROCESSED_BEAN_FACTORIES.add(beanRegistry)) {
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// already initialized
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return;
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}
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if (!beanName2SpringValueDefinitions.containsKey(beanRegistry)) {
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beanName2SpringValueDefinitions.put(beanRegistry, LinkedListMultimap.create());
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}
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Multimap<String, SpringValueDefinition> springValueDefinitions = beanName2SpringValueDefinitions.get(beanRegistry);
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String[] beanNames = beanRegistry.getBeanDefinitionNames();
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for (String beanName : beanNames) {
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BeanDefinition beanDefinition = beanRegistry.getBeanDefinition(beanName);
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MutablePropertyValues mutablePropertyValues = beanDefinition.getPropertyValues();
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List<PropertyValue> propertyValues = mutablePropertyValues.getPropertyValueList();
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for (PropertyValue propertyValue : propertyValues) {
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Object value = propertyValue.getValue();
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if (!(value instanceof TypedStringValue)) {
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continue;
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}
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String placeholder = ((TypedStringValue) value).getValue();
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Set<String> keys = placeholderHelper.extractPlaceholderKeys(placeholder);
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if (keys.isEmpty()) {
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continue;
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}
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for (String key : keys) {
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springValueDefinitions.put(beanName, new SpringValueDefinition(key, placeholder, propertyValue.getName()));
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}
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}
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}
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}
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}
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@ -1,75 +0,0 @@
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/*
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* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*
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*/
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package com.tencent.cloud.polaris.config.spring.property;
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import java.lang.reflect.Method;
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import java.util.Collection;
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import java.util.Objects;
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import java.util.Optional;
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import com.tencent.polaris.api.utils.CollectionUtils;
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import org.junit.Assert;
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import org.junit.Test;
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import org.springframework.beans.factory.BeanFactory;
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import org.springframework.context.support.ClassPathXmlApplicationContext;
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/**
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* Test for {@link SpringValueDefinitionProcessor}.
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*
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* @author lingxiao.wlx
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*/
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public class SpringValueDefinitionProcessorTest {
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@Test
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public void springValueDefinitionProcessorTest() {
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ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("bean.xml");
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Person person = context.getBean(Person.class);
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SpringValueRegistry springValueRegistry = context.getBean(SpringValueRegistry.class);
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BeanFactory beanFactory = person.getBeanFactory();
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Collection<SpringValue> name = springValueRegistry.get(beanFactory, "name");
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Assert.assertFalse(CollectionUtils.isEmpty(name));
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Optional<SpringValue> nameSpringValueOptional = name.stream().findAny();
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Assert.assertTrue(nameSpringValueOptional.isPresent());
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SpringValue nameSpringValue = nameSpringValueOptional.get();
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Method method = nameSpringValue.getMethodParameter().getMethod();
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Assert.assertTrue(Objects.nonNull(method));
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Assert.assertEquals("setName", method.getName());
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Assert.assertEquals("${name:test}", nameSpringValue.getPlaceholder());
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Assert.assertFalse(nameSpringValue.isField());
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Assert.assertEquals(String.class, nameSpringValue.getTargetType());
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Collection<SpringValue> age = springValueRegistry.get(beanFactory, "age");
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Assert.assertFalse(CollectionUtils.isEmpty(age));
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Optional<SpringValue> ageSpringValueOptional = age.stream().findAny();
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Assert.assertTrue(ageSpringValueOptional.isPresent());
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SpringValue ageSpringValue = ageSpringValueOptional.get();
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Method method1 = ageSpringValue.getMethodParameter().getMethod();
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Assert.assertTrue(Objects.nonNull(method1));
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Assert.assertEquals("setAge", method1.getName());
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Assert.assertEquals("${age:10}", ageSpringValue.getPlaceholder());
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Assert.assertFalse(ageSpringValue.isField());
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Assert.assertEquals(String.class, ageSpringValue.getTargetType());
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}
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}
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