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File: Address.java
import javax.persistence.Column;
import javax.persistence.Embeddable;
@Embeddable
public class Address {
private String street;
private String city;
private String state;
@Column(name="ZIP_CODE")
private String zip;
public String getStreet() {
return street;
}
public void setStreet(String address) {
this.street = address;
}
public String getCity() {
return city;
}
public void setCity(String city) {
this.city = city;
}
public String getState() {
return state;
}
public void setState(String state) {
this.state = state;
}
public String getZip() {
return zip;
}
public void setZip(String zip) {
this.zip = zip;
}
public String toString() {
return "Address street: " + getStreet() +
", city: " + getCity() +
", state: " + getState() +
", zip: " + getZip();
}
}
File: Professor.java
import javax.persistence.AttributeOverride;
import javax.persistence.AttributeOverrides;
import javax.persistence.Column;
import javax.persistence.Embedded;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.PrimaryKeyJoinColumn;
import javax.persistence.SecondaryTable;
import javax.persistence.Table;
@Entity
@Table(name="EMP")
@SecondaryTable(name="EMP_ADDRESS",
pkJoinColumns=@PrimaryKeyJoinColumn(name="EMP_ID"))
public class Professor {
@Id private int id;
private String name;
@Embedded
@AttributeOverrides({
@AttributeOverride(name="street", column=@Column(table="EMP_ADDRESS")),
@AttributeOverride(name="city", column=@Column(name="CITY", table="EMP_ADDRESS")),
@AttributeOverride(name="state", column=@Column(name="STATE", table="EMP_ADDRESS")),
@AttributeOverride(name="zip",
column=@Column(name="ZIP_CODE", table="EMP_ADDRESS"))
})
private Address address;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Address getAddress() {
return address;
}
public void setAddress(Address address) {
this.address = address;
}
public String toString() {
return "Professor id: " + getId() + " name: " + getName() +
" with " + getAddress();
}
}