ScopedProxy

package org.bk.samples.circularref;

import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.notNullValue;
import static org.junit.Assert.*;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Scope;
import org.springframework.context.annotation.ScopedProxyMode;
import org.springframework.stereotype.Component;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration
public class TestScopedProxy {
	@Autowired A a;
	
	@Test
	public void test() {
		assertThat(a, is(notNullValue()));
		assertThat(a.getB().getImportantValueFromA(), is("stringvalue"));
		a.setImportantValue("anewValue");
		assertThat(a.getB().getImportantValueFromA(), is("anewValue"));
	}
	
	@Configuration
	@ComponentScan(basePackages="org.bk.samples.circularref")
	public static class ContextConfig{
		
	}

}


@Component
@Scope(value="prototype", proxyMode=ScopedProxyMode.TARGET_CLASS)
class B {
	
	@Value("#{a.importantValue}")
	private String importantValueFromA;

	public String getImportantValueFromA() {
		return importantValueFromA;
	}

	public void setImportantValueFromA(String importantValueFromA) {
		this.importantValueFromA = importantValueFromA;
	}
}


@Component("a")
class A {
	private String importantValue = "stringvalue";

    @Autowired
    private B b;

	public String getImportantValue() {
		return importantValue;
	}

	public void setImportantValue(String importantValue) {
		this.importantValue = importantValue;
	}

	public B getB() {
		return b;
	}

	public void setB(B b) {
		this.b = b;
	}
   
}