Admin: 1 версия

2010-06-01T05:18:12Z

1 версия

в 17:44, 31 мая 2010

2010-05-31T17:44:27Z

Новая страница

== Embeddable Entity ==

File: Student.java



<source lang="java">
import javax.persistence.Embedded;
import javax.persistence.Entity;
import javax.persistence.Id;
@Entity
public class Student {
@Id private int id;
private String name;
@Embedded 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 "Student id: " + getId() + " name: " + getName() +
" with " + getAddress();
}
}</source>



== Embedded Objects Multiple Tables ==

File: Address.java



<source lang="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();
}
}</source>



== Share Embeddable Entity ==

File: Company.java



<source lang="java">
import javax.persistence.Embedded;
import javax.persistence.Entity;
import javax.persistence.Id;
@Entity
public class Company {
@Id private String name;
@Embedded
private Address address;
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 "Company name: " + getName() +
" at " + getAddress();
}
}</source>

← Предыдущая	Версия 05:18, 1 июня 2010
(нет различий)

Java Tutorial/JPA/Embeddable - История изменений

Admin: 1 версия

в 17:44, 31 мая 2010