提交 39e4876c 编写于 作者: 冰 河's avatar 冰 河

提交《Spring核心技术》第16章

上级 b2822bbc
......@@ -24,6 +24,7 @@
<module>spring-annotation-chapter-13</module>
<module>spring-annotation-chapter-14</module>
<module>spring-annotation-chapter-15</module>
<module>spring-annotation-chapter-16</module>
</modules>
<properties>
......
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>io.binghe.spring</groupId>
<artifactId>spring-annotation-book</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<artifactId>spring-annotation-chapter-16</artifactId>
<properties>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
</project>
\ No newline at end of file
/**
* Copyright 2022-9999 the original author or authors.
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.binghe.spring.annotation.chapter16;
import io.binghe.spring.annotation.chapter16.config.PrimaryConfig;
import io.binghe.spring.annotation.chapter16.service.PrimaryService;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
/**
* @author binghe(微信 : hacker_binghe)
* @version 1.0.0
* @description @Primary注解的测试类
* @github https://github.com/binghe001
* @copyright 公众号: 冰河技术
*/
public class PrimaryTest {
public static void main(String[] args) {
AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(PrimaryConfig.class);
PrimaryService primaryService = context.getBean(PrimaryService.class);
System.out.println(primaryService);
}
}
/**
* Copyright 2022-9999 the original author or authors.
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.binghe.spring.annotation.chapter16.config;
import io.binghe.spring.annotation.chapter16.dao.PrimaryDao;
import io.binghe.spring.annotation.chapter16.dao.impl.PrimaryDao1;
import io.binghe.spring.annotation.chapter16.dao.impl.PrimaryDao2;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
/**
* @author binghe(微信 : hacker_binghe)
* @version 1.0.0
* @description @Primary注解配置类
* @github https://github.com/binghe001
* @copyright 公众号: 冰河技术
*/
@Configuration
@ComponentScan(basePackages = {"io.binghe.spring.annotation.chapter16"})
public class PrimaryConfig {
@Bean
@Primary
public PrimaryDao primaryDao1(){
return new PrimaryDao1();
}
@Bean
public PrimaryDao primaryDao2(){
return new PrimaryDao2();
}
}
/**
* Copyright 2022-9999 the original author or authors.
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.binghe.spring.annotation.chapter16.dao;
/**
* @author binghe(微信 : hacker_binghe)
* @version 1.0.0
* @description @Primary dao接口
* @github https://github.com/binghe001
* @copyright 公众号: 冰河技术
*/
public interface PrimaryDao {
}
/**
* Copyright 2022-9999 the original author or authors.
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.binghe.spring.annotation.chapter16.dao.impl;
import io.binghe.spring.annotation.chapter16.dao.PrimaryDao;
/**
* @author binghe(微信 : hacker_binghe)
* @version 1.0.0
* @description @Primary注解dao实现类
* @github https://github.com/binghe001
* @copyright 公众号: 冰河技术
*/
public class PrimaryDao1 implements PrimaryDao {
}
/**
* Copyright 2022-9999 the original author or authors.
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.binghe.spring.annotation.chapter16.dao.impl;
import io.binghe.spring.annotation.chapter16.dao.PrimaryDao;
/**
* @author binghe(微信 : hacker_binghe)
* @version 1.0.0
* @description @Primary注解dao实现类
* @github https://github.com/binghe001
* @copyright 公众号: 冰河技术
*/
public class PrimaryDao2 implements PrimaryDao {
}
/**
* Copyright 2022-9999 the original author or authors.
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.binghe.spring.annotation.chapter16.service;
import io.binghe.spring.annotation.chapter16.dao.PrimaryDao;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
/**
* @author binghe(微信 : hacker_binghe)
* @version 1.0.0
* @description @Primary注解的service类
* @github https://github.com/binghe001
* @copyright 公众号: 冰河技术
*/
@Service
public class PrimaryService {
@Autowired
private PrimaryDao primaryDao;
@Override
public String toString() {
return "PrimaryService{" +
"primaryDao=" + primaryDao +
'}';
}
}
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