TestEmbedLoop.java :  » MongoDB » morphia » com » google » code » morphia » issue47 » Java Open Source

/**
 * 
 */
package com.google.code.morphia.issue47;

import junit.framework.Assert;

import org.junit.Ignore;
import org.junit.Test;

import com.google.code.morphia.TestBase;
import com.google.code.morphia.annotations.Embedded;
import com.google.code.morphia.annotations.Entity;
import com.google.code.morphia.testutil.TestEntity;

public class TestEmbedLoop extends TestBase {
  
  @Entity
  static class A extends TestEntity {
    private static final long serialVersionUID = 1L;
    @Embedded
    B b;
  }
  
  @Embedded
  static class B extends TestEntity {
    private static final long serialVersionUID = 1L;
    String someProperty = "someThing";
    
    // produces stackoverflow, might be detectable?
    // @Reference this would be right way to do it.
    
    @Embedded
    A a;
  }
  
  @Test @Ignore
  public void testCircularRefs() throws Exception {
    
    morphia.map(A.class);
    
    A a = new A();
    a.b = new B();
    a.b.a = a;
    
    Assert.assertSame(a, a.b.a);
    
    this.ds.save(a);
    a = this.ds.find(A.class, "_id", a.getId()).get();
    Assert.assertSame(a, a.b.a);
  }
}