diff --git a/spring-core/src/main/java/com/baeldung/config/scope/AppConfigFunctionBean.java b/spring-core/src/main/java/com/baeldung/config/scope/AppConfigFunctionBean.java new file mode 100644 index 0000000000..a3c5445698 --- /dev/null +++ b/spring-core/src/main/java/com/baeldung/config/scope/AppConfigFunctionBean.java @@ -0,0 +1,31 @@ +package com.baeldung.config.scope; + +import java.util.function.Function; + +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.context.annotation.Scope; + +import com.baeldung.scope.prototype.PrototypeBean; +import com.baeldung.scope.singletone.SingletonFunctionBean; + +@Configuration +public class AppConfigFunctionBean { + + @Bean + public Function beanFactory() { + return name -> prototypeBeanWithParam(name); + } + + @Bean + @Scope(value = "prototype") + public PrototypeBean prototypeBeanWithParam(String name) { + return new PrototypeBean(name); + } + + @Bean + public SingletonFunctionBean singletonFunctionBean() { + return new SingletonFunctionBean(); + } + +} diff --git a/spring-core/src/main/java/com/baeldung/scope/AppConfig.java b/spring-core/src/main/java/com/baeldung/scope/AppConfig.java index 5c8c539e7a..33a9c5c21e 100644 --- a/spring-core/src/main/java/com/baeldung/scope/AppConfig.java +++ b/spring-core/src/main/java/com/baeldung/scope/AppConfig.java @@ -40,4 +40,5 @@ public class AppConfig { public SingletonObjectFactoryBean singletonObjectFactoryBean() { return new SingletonObjectFactoryBean(); } + } diff --git a/spring-core/src/main/java/com/baeldung/scope/AppProxyScopeConfig.java b/spring-core/src/main/java/com/baeldung/scope/AppProxyScopeConfig.java index fc7a30471c..9f1874375e 100644 --- a/spring-core/src/main/java/com/baeldung/scope/AppProxyScopeConfig.java +++ b/spring-core/src/main/java/com/baeldung/scope/AppProxyScopeConfig.java @@ -2,6 +2,7 @@ package com.baeldung.scope; import com.baeldung.scope.prototype.PrototypeBean; import com.baeldung.scope.singletone.SingletonBean; + import org.springframework.beans.factory.config.ConfigurableBeanFactory; import org.springframework.context.annotation.*; @@ -19,4 +20,5 @@ public class AppProxyScopeConfig { public SingletonBean singletonBean() { return new SingletonBean(); } + } diff --git a/spring-core/src/main/java/com/baeldung/scope/prototype/PrototypeBean.java b/spring-core/src/main/java/com/baeldung/scope/prototype/PrototypeBean.java index cfccb62e45..c87c7a8d44 100644 --- a/spring-core/src/main/java/com/baeldung/scope/prototype/PrototypeBean.java +++ b/spring-core/src/main/java/com/baeldung/scope/prototype/PrototypeBean.java @@ -9,4 +9,20 @@ public class PrototypeBean { public PrototypeBean() { logger.info("Prototype instance created"); } + + private String name; + + public PrototypeBean(String name) { + this.name = name; + logger.info("Prototype instance " + name + " created"); + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + } diff --git a/spring-core/src/main/java/com/baeldung/scope/singletone/SingletonFunctionBean.java b/spring-core/src/main/java/com/baeldung/scope/singletone/SingletonFunctionBean.java new file mode 100644 index 0000000000..8cdc56a6fa --- /dev/null +++ b/spring-core/src/main/java/com/baeldung/scope/singletone/SingletonFunctionBean.java @@ -0,0 +1,19 @@ +package com.baeldung.scope.singletone; + +import java.util.function.Function; + +import org.springframework.beans.factory.annotation.Autowired; + +import com.baeldung.scope.prototype.PrototypeBean; + +public class SingletonFunctionBean { + + @Autowired + private Function beanFactory; + + public PrototypeBean getPrototypeInstance(String name) { + PrototypeBean bean = beanFactory.apply(name); + return bean; + } + +} diff --git a/spring-core/src/test/java/com/baeldung/scope/PrototypeBeanInjectionIntegrationTest.java b/spring-core/src/test/java/com/baeldung/scope/PrototypeBeanInjectionIntegrationTest.java index 1c05bb3e8e..d0c2733765 100644 --- a/spring-core/src/test/java/com/baeldung/scope/PrototypeBeanInjectionIntegrationTest.java +++ b/spring-core/src/test/java/com/baeldung/scope/PrototypeBeanInjectionIntegrationTest.java @@ -1,6 +1,7 @@ package com.baeldung.scope; import com.baeldung.scope.prototype.PrototypeBean; +import com.baeldung.scope.singletone.SingletonFunctionBean; import com.baeldung.scope.singletone.SingletonLookupBean; import com.baeldung.scope.singletone.SingletonObjectFactoryBean; import com.baeldung.scope.singletone.SingletonProviderBean; @@ -58,4 +59,5 @@ public class PrototypeBeanInjectionIntegrationTest { Assert.assertTrue("New instance expected", firstInstance != secondInstance); } + } diff --git a/spring-core/src/test/java/com/baeldung/scope/PrototypeFunctionBeanIntegrationTest.java b/spring-core/src/test/java/com/baeldung/scope/PrototypeFunctionBeanIntegrationTest.java new file mode 100644 index 0000000000..1e3c652599 --- /dev/null +++ b/spring-core/src/test/java/com/baeldung/scope/PrototypeFunctionBeanIntegrationTest.java @@ -0,0 +1,34 @@ +package com.baeldung.scope; + +import org.junit.Assert; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.context.annotation.AnnotationConfigApplicationContext; +import org.springframework.context.support.AbstractApplicationContext; +import org.springframework.test.context.ContextConfiguration; +import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; +import org.springframework.test.context.support.AnnotationConfigContextLoader; + +import com.baeldung.config.scope.AppConfigFunctionBean; +import com.baeldung.scope.prototype.PrototypeBean; +import com.baeldung.scope.singletone.SingletonFunctionBean; + +@RunWith(SpringJUnit4ClassRunner.class) +@ContextConfiguration(loader = AnnotationConfigContextLoader.class, classes = AppConfigFunctionBean.class) +public class PrototypeFunctionBeanIntegrationTest { + + @Test + public void givenPrototypeInjection_WhenFunction_ThenNewInstanceReturn() { + + AbstractApplicationContext context = new AnnotationConfigApplicationContext(AppConfigFunctionBean.class); + + SingletonFunctionBean firstContext = context.getBean(SingletonFunctionBean.class); + SingletonFunctionBean secondContext = context.getBean(SingletonFunctionBean.class); + + PrototypeBean firstInstance = firstContext.getPrototypeInstance("instance1"); + PrototypeBean secondInstance = secondContext.getPrototypeInstance("instance2"); + + Assert.assertTrue("New instance expected", firstInstance != secondInstance); + } + +}