package org.tests.model.basic; import javax.persistence.Entity; import javax.persistence.ManyToOne; @Entity public class EOptOneA extends BasicDomain { private static final long serialVersionUID = 1L; String nameForA; @ManyToOne(optional = true) EOptOneB b; public String getNameForA() { return nameForA; } public void setNameForA(String nameForA) { this.nameForA = nameForA; } public EOptOneB getB() { return b; } public void setB(EOptOneB b) { this.b = b; } }