Close

JPA - @AssociationOverrides Examples

[Last Updated: Nov 8, 2025]

JPA JAVA EE 


@AssociativeOverrides is used to override mappings of multiple relationship properties or fields. To override a mapping defined by a mapped superclass or a relationship mapping from an embeddable class, @AssociationOverride is applied to the entity class.


package com.logicbig.example;

import javax.persistence.*;

@Entity
public class EntityA {
    @Id
    @GeneratedValue
    private int id;

    @Embedded
    @AttributeOverrides({
            @AttributeOverride(name = "myStr", column = @Column(name = "MY_STR_COL1"))
    })
    @AssociationOverrides({
            @AssociationOverride(
                    name = "entityBRef", joinColumns = @JoinColumn(name = "EntityAB_JOIN1"))
    })
    private ClassA classARef;

    @Embedded
    @AttributeOverrides({
            @AttributeOverride(name = "myStr", column = @Column(name = "MY_STR_COL2"))
    })
    @AssociationOverrides({
            @AssociationOverride(
                    name = "entityBRef", joinColumns = @JoinColumn(name = "EntityAB_JOIN2"))
    })
    private ClassA classARef2;

    public ClassA getClassARef() {
        return classARef;
    }

    public void setClassARef(ClassA classARef) {
        this.classARef = classARef;
    }

    public ClassA getClassARef2() {
        return classARef2;
    }

    public void setClassARef2(ClassA classARef2) {
        this.classARef2 = classARef2;
    }

    @Override
    public String toString() {
        return "EntityA{" +
                "id=" + id +
                ", classARef=" + classARef +
                ", classARef2=" + classARef2 +
                '}';
    }
}
Original Post

See Also