EclipseLink ON DELETE CASCADE

Witam,
Nie udaje mi się zmusić EclipseLink do wygenerowania kaskady dla dwóch encji (relacja jeden do wielu), docelowo do PostgreSQL. Bardzo proszę o podpowiedź co robię źle.

Encje, które napisałem:

package pl.test.entities;

import java.io.Serializable;
import java.util.Set;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.SequenceGenerator;
import javax.persistence.Table;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
import javax.xml.bind.annotation.XmlRootElement;
import org.eclipse.persistence.annotations.CascadeOnDelete;

@Entity
@Table(name = "category")
@CascadeOnDelete
@XmlRootElement
public class Category implements Serializable {

    private static final long serialVersionUID = 1L;

    @Id
    @GeneratedValue(generator = "category_seq", strategy = GenerationType.SEQUENCE)
    @SequenceGenerator(name = "category_seq", sequenceName = "category_seq", allocationSize = 1)
    @Column(name = "id")
    @NotNull
    private Long id;

    @Column(name = "name", length = 40, nullable = false)
    @NotNull
    @Size(min = 3, max = 40)
    @Basic(optional = false)
    private String name;
    
    @CascadeOnDelete
    @OneToMany(fetch = FetchType.LAZY, mappedBy = "category")
    private Set<Item> items;

    public Category() {
    }
    
    /*
     * getters and setters
     */
    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Set<Item> getItems() {
        return items;
    }

    public void setItems(Set<Item> items) {
        this.items = items;
    }

    @Override
    public int hashCode() {
        int hash = 0;
        hash += (id != null ? id.hashCode() : 0);
        return hash;
    }

    @Override
    public boolean equals(Object object) {
        // TODO: Warning - this method won't work in the case the id fields are not set
        if (!(object instanceof Category)) {
            return false;
        }
        Category other = (Category) object;
        if ((this.id == null && other.id != null) || (this.id != null && !this.id.equals(other.id))) {
            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        return "pl.test.entities.Category[ id=" + id + " ]";
    }

}

package pl.test.entities;

import java.io.Serializable;
import java.util.Objects;
import javax.persistence.Basic;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.SequenceGenerator;
import javax.persistence.Table;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
import javax.xml.bind.annotation.XmlRootElement;

@Entity
@Table(name = "item")
@XmlRootElement
public class Item implements Serializable {

    private static final long serialVersionUID = 1L;
    
    @Id
    @GeneratedValue(generator = "item_seq", strategy = GenerationType.SEQUENCE)
    @SequenceGenerator(name = "item_seq", sequenceName = "item_id_seq", allocationSize = 1)
    @Column(name = "id")
    @NotNull
    private Long id;

    @Column(name = "name", length = 100, nullable = false, unique = true)
    @Basic(optional = false)
    @Size(min = 3, max = 100)
    @NotNull
    private String name;

    @Column(name = "description", nullable = false, length = 250)
    @Basic(optional = false)
    @Size(min = 3, max = 250)
    @NotNull
    private String description;

    @ManyToOne(cascade = CascadeType.REMOVE)
    @JoinColumn(name = "id_category", nullable = false)
    private Category category;

    public Item() {
    }

    /*
     * getters and setters
     */
    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public Category getCategory() {
        return category;
    }

    public void setCategory(Category category) {
        this.category = category;
    }

    @Override
    public int hashCode() {
        int hash = 7;
        return hash;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final Item other = (Item) obj;
        if (!Objects.equals(this.id, other.id)) {
            return false;
        }
        if (!Objects.equals(this.name, other.name)) {
            return false;
        }
        if (!Objects.equals(this.description, other.description)) {
            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        return "pl.test.entities.Item[ id=" + id + " ]";
    }

}

Wygenerowany DDL:

CREATE TABLE category
(
  id bigint NOT NULL,
  name character varying(40) NOT NULL,
  CONSTRAINT category_pkey PRIMARY KEY (id)
)
WITH (
  OIDS=FALSE
);
ALTER TABLE category
  OWNER TO postgres;

CREATE TABLE item
(
  id bigint NOT NULL,
  description character varying(250) NOT NULL,
  name character varying(100) NOT NULL,
  id_category bigint NOT NULL,
  CONSTRAINT item_pkey PRIMARY KEY (id),
  CONSTRAINT fk_item_id_category FOREIGN KEY (id_category)
      REFERENCES category (id) MATCH SIMPLE
      ON UPDATE NO ACTION ON DELETE NO ACTION,
  CONSTRAINT item_name_key UNIQUE (name)
)
WITH (
  OIDS=FALSE
);
ALTER TABLE item
  OWNER TO postgres;

W encji item chcę otrzymać

ON UPDATE NO ACTION ON DELETE CASCADE

.

Pozdrawiam,

Czy udało się rozwiązać dany problem? Proszę o odpowiedź. Mam to samo:) email:[email protected]