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BAEL-415: Custom Scope in Spring (#1578) 

* Add files via upload

* Update pom.xml

* Update RunGuice.java

* Update Communication.java

* Update CommunicationMode.java

* Update DefaultCommunicator.java

* Update EmailCommunicationMode.java

* Update IMCommunicationMode.java

* Update SMSCommunicationMode.java

* Update MessageLogger.java

* Update MessageSentLoggable.java

* Update AOPModule.java

* Update BasicModule.java

* Update CommunicationModel.java

* Update Communicator.java

* Update BasicModule.java

* Update RunGuice.java

* Update MessageLogger.java

* Update Communicator.java

* Update pom.xml

* BAEL-278: Updated README.md

* BAEL-554: Add and update README.md files

* Update pom.xml

* Update pom.xml

* Update pom.xml

* BAEL-345: fixed assertion

* BAEL-109: Updated README.md

* BAEL-345: Added README.md

* Reinstating reactor-core module in root-level pom

* BAEL-393: Adding guide-intro module to root pom

* BAEL-9: Updated README.md

* BAEL-157: README.md updated

* Changed project name

* Update RunGuice.java

Removed references to message logging and output

* Update Communication.java

Removed message logging-related code

* BAEL-566: Updated README.md

* New project name

* BAEL-393: removing guice-intro directory

* BAEL-393: renamed module guice-intro to guice in root pom.xml

* BAEL-393 and BAEL-541 README.md files

* BAEL-731: Updated README.md

* BAEL-680: renamed test methods

* BAEL-714: Updated README.md

* BAEL-737: Updated README.md

* BAEL-680 and BAEL-756 README.md updates

* BAEL-666: Updated README

* BAEL-415: Custom Scope

* BAEL-415: Custom Scope - renamed classes to reflect TenantScope
This commit is contained in:
KevinGilmore 2017-04-05 13:12:33 -05:00 committed by GitHub
parent bbcafe2e32
commit 806d2d87b7
6 changed files with 181 additions and 0 deletions
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16
spring-all/src/main/java/org/baeldung/customscope/TenantBean.java Normal file
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package org.baeldung.customscope;
public class TenantBean {
private final String name;
public TenantBean(String name) {
this.name = name;
}
public void sayHello() {
System.out.println(String.format("Hello from %s of type %s",
this.name,
this.getClass().getName()));
}
}

13
spring-all/src/main/java/org/baeldung/customscope/TenantBeanFactoryPostProcessor.java Normal file
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@ -0,0 +1,13 @@
package org.baeldung.customscope;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
public class TenantBeanFactoryPostProcessor implements BeanFactoryPostProcessor {
@Override
public void postProcessBeanFactory(ConfigurableListableBeanFactory factory) throws BeansException {
factory.registerScope("tenant", new TenantScope());
}
}

21
spring-all/src/main/java/org/baeldung/customscope/TenantBeansConfig.java Normal file
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@ -0,0 +1,21 @@
package org.baeldung.customscope;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Scope;
@Configuration
public class TenantBeansConfig {
@Scope(scopeName = "tenant")
@Bean
public TenantBean foo() {
return new TenantBean("foo");
}
@Scope(scopeName = "tenant")
@Bean
public TenantBean bar() {
return new TenantBean("bar");
}
}

43
spring-all/src/main/java/org/baeldung/customscope/TenantScope.java Normal file
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@ -0,0 +1,43 @@
package org.baeldung.customscope;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.springframework.beans.factory.ObjectFactory;
import org.springframework.beans.factory.config.Scope;
public class TenantScope implements Scope {
private Map<String, Object> scopedObjects = Collections.synchronizedMap(new HashMap<String, Object>());
private Map<String, Runnable> destructionCallbacks = Collections.synchronizedMap(new HashMap<String, Runnable>());
@Override
public Object get(String name, ObjectFactory<?> objectFactory) {
if(!scopedObjects.containsKey(name)) {
scopedObjects.put(name, objectFactory.getObject());
}
return scopedObjects.get(name);
}
@Override
public Object remove(String name) {
destructionCallbacks.remove(name);
return scopedObjects.remove(name);
}
@Override
public void registerDestructionCallback(String name, Runnable callback) {
destructionCallbacks.put(name, callback);
}
@Override
public Object resolveContextualObject(String key) {
return null;
}
@Override
public String getConversationId() {
return "tenant";
}
}

14
spring-all/src/main/java/org/baeldung/customscope/TenantScopeConfig.java Normal file
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@ -0,0 +1,14 @@
package org.baeldung.customscope;
import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class TenantScopeConfig {
@Bean
public static BeanFactoryPostProcessor beanFactoryPostProcessor() {
return new TenantBeanFactoryPostProcessor();
}
}

74
spring-all/src/test/java/org/baeldung/customscope/TenantScopeTest.java Normal file
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package org.baeldung.customscope;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.not;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import java.util.Map;
import org.junit.Test;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
public class TenantScopeTest {
@Test
public final void whenRegisterScopeAndBeans_thenContextContainsFooAndBar() {
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
try{
ctx.register(TenantScopeConfig.class);
ctx.register(TenantBeansConfig.class);
ctx.refresh();
TenantBean foo = (TenantBean) ctx.getBean("foo", TenantBean.class);
foo.sayHello();
TenantBean bar = (TenantBean) ctx.getBean("bar", TenantBean.class);
bar.sayHello();
Map<String, TenantBean> foos = ctx.getBeansOfType(TenantBean.class);
assertThat(foo, not(equalTo(bar)));
assertThat(foos.size(), equalTo(2));
assertTrue(foos.containsValue(foo));
assertTrue(foos.containsValue(bar));
BeanDefinition fooDefinition = ctx.getBeanDefinition("foo");
BeanDefinition barDefinition = ctx.getBeanDefinition("bar");
assertThat(fooDefinition.getScope(), equalTo("tenant"));
assertThat(barDefinition.getScope(), equalTo("tenant"));
}
finally {
ctx.close();
}
}
@Test
public final void whenComponentScan_thenContextContainsFooAndBar() {
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
try{
ctx.scan("org.baeldung.customscope");
ctx.refresh();
TenantBean foo = (TenantBean) ctx.getBean("foo", TenantBean.class);
foo.sayHello();
TenantBean bar = (TenantBean) ctx.getBean("bar", TenantBean.class);
bar.sayHello();
Map<String, TenantBean> foos = ctx.getBeansOfType(TenantBean.class);
assertThat(foo, not(equalTo(bar)));
assertThat(foos.size(), equalTo(2));
assertTrue(foos.containsValue(foo));
assertTrue(foos.containsValue(bar));
BeanDefinition fooDefinition = ctx.getBeanDefinition("foo");
BeanDefinition barDefinition = ctx.getBeanDefinition("bar");
assertThat(fooDefinition.getScope(), equalTo("tenant"));
assertThat(barDefinition.getScope(), equalTo("tenant"));
}
finally {
ctx.close();
}
}
}