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| Original file line number | Diff line number | Diff line change |
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| @@ -1,3 +1,13 @@ | ||
| Мой репозиторий с домашками по курсу Spring Boot | ||
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| Тараканова Екатерина, преподаватель Королёв Александр | ||
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| Дз по теме DI: | ||
| Реализовать приложение (не важно какая логика, так как основой упор идет на DI), в котором: | ||
| - используется DI через конструктор | ||
| - используется DI через поле | ||
| - используется DI через сеттеры | ||
| - создаются и внедряются два бина разных классов, но реализующих один интерфейс | ||
| - при создании и “разрушении” бина в лог выводится сообщение | ||
| (примечание: здесь вам не понадобятся контроллеры. Достаточно описать только то, что описано выше) |
5 changes: 5 additions & 0 deletions
5
src/main/java/com/example/SpringBootProject/entity/Animal.java
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|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| package com.example.SpringBootProject.entity; | ||
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| public interface Animal { | ||
| void makeSound(); | ||
| } |
13 changes: 13 additions & 0 deletions
13
src/main/java/com/example/SpringBootProject/entity/Cat.java
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| @@ -0,0 +1,13 @@ | ||
| package com.example.SpringBootProject.entity; | ||
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| import lombok.extern.log4j.Log4j2; | ||
| import org.springframework.stereotype.Component; | ||
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| @Component | ||
| @Log4j2 | ||
| public class Cat implements Animal { | ||
| @Override | ||
| public void makeSound(){ | ||
| log.info("Мяу мяу"); | ||
| } | ||
| } |
13 changes: 13 additions & 0 deletions
13
src/main/java/com/example/SpringBootProject/entity/Dog.java
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| @@ -0,0 +1,13 @@ | ||
| package com.example.SpringBootProject.entity; | ||
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| import lombok.extern.log4j.Log4j2; | ||
| import org.springframework.stereotype.Component; | ||
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| @Component | ||
| @Log4j2 | ||
| public class Dog implements Animal { | ||
| @Override | ||
| public void makeSound() { | ||
| log.info("Гав гав"); | ||
| } | ||
| } |
33 changes: 33 additions & 0 deletions
33
src/main/java/com/example/SpringBootProject/services/ConstructorInjection.java
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| @@ -0,0 +1,33 @@ | ||
| package com.example.SpringBootProject.services; | ||
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| import com.example.SpringBootProject.entity.Animal; | ||
| import jakarta.annotation.PostConstruct; | ||
| import jakarta.annotation.PreDestroy; | ||
| import lombok.RequiredArgsConstructor; | ||
| import lombok.extern.log4j.Log4j2; | ||
| import org.springframework.stereotype.Service; | ||
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| @Log4j2 | ||
| @Service | ||
| @RequiredArgsConstructor | ||
| public class ConstructorInjection { | ||
| private final Animal dog; | ||
| private final Animal cat; | ||
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| @PostConstruct | ||
| private void init(){ | ||
| log.info("ConstructInjection is started"); | ||
| } | ||
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| @PreDestroy | ||
| private void destroy(){ | ||
| log.info("ConstructInjection is destroyed"); | ||
| } | ||
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| private void animalMakeNoise(){ | ||
| cat.makeSound(); | ||
| dog.makeSound(); | ||
| } | ||
| } | ||
32 changes: 32 additions & 0 deletions
32
src/main/java/com/example/SpringBootProject/services/FieldInjection.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,32 @@ | ||
| package com.example.SpringBootProject.services; | ||
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| import com.example.SpringBootProject.entity.Animal; | ||
| import jakarta.annotation.PostConstruct; | ||
| import jakarta.annotation.PreDestroy; | ||
| import lombok.extern.log4j.Log4j2; | ||
| import org.springframework.beans.factory.annotation.Autowired; | ||
| import org.springframework.stereotype.Service; | ||
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| @Log4j2 | ||
| @Service | ||
| public class FieldInjection { | ||
| @Autowired | ||
| private Animal dog; | ||
| @Autowired | ||
| private Animal cat; | ||
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| @PostConstruct | ||
| private void init(){ | ||
| log.info("FieldInjection is started"); | ||
| } | ||
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| @PreDestroy | ||
| private void destroy(){ | ||
| log.info("FieldInjection is destroyed"); | ||
| } | ||
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| private void animalMakeNoise(){ | ||
| cat.makeSound(); | ||
| dog.makeSound(); | ||
| } | ||
| } |
39 changes: 39 additions & 0 deletions
39
src/main/java/com/example/SpringBootProject/services/SetterInjection.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| package com.example.SpringBootProject.services; | ||
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| import com.example.SpringBootProject.entity.Animal; | ||
| import jakarta.annotation.PostConstruct; | ||
| import jakarta.annotation.PreDestroy; | ||
| import lombok.extern.log4j.Log4j2; | ||
| import org.springframework.beans.factory.annotation.Autowired; | ||
| import org.springframework.stereotype.Service; | ||
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| @Log4j2 | ||
| @Service | ||
| public class SetterInjection { | ||
| private Animal cat; | ||
| private Animal dog; | ||
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| @PostConstruct | ||
| private void init(){ | ||
| log.info("SetterInjection is started"); | ||
| } | ||
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| @PreDestroy | ||
| private void destroy(){ | ||
| log.info("SetterInjection is destroyed"); | ||
| } | ||
| @Autowired | ||
| private void setDog(Animal dog){ | ||
| this.dog = dog; | ||
| } | ||
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| @Autowired | ||
| private void setCat(Animal cat){ | ||
| this.cat = cat; | ||
| } | ||
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| private void animalMakeNoise(){ | ||
| cat.makeSound(); | ||
| dog.makeSound(); | ||
| } | ||
| } |
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