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guffyWave/Car.java

Forked from alejandrogr/Car.java
Created June 24, 2017 22:18
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Revisions

  1. @alejandrogr alejandrogr revised this gist Jan 25, 2014. 2 changed files with 146 additions and 0 deletions.
    109 changes: 109 additions & 0 deletions OfyListRefTest.java
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    package com.alejandrogr.gists.ofylistref;

    import junit.framework.TestCase;

    import org.junit.After;
    import org.junit.Before;
    import org.junit.Test;


    import com.google.appengine.tools.development.testing.LocalBlobstoreServiceTestConfig;
    import com.google.appengine.tools.development.testing.LocalDatastoreServiceTestConfig;
    import com.google.appengine.tools.development.testing.LocalServiceTestHelper;
    import com.googlecode.objectify.Key;
    import com.googlecode.objectify.ObjectifyService;
    import static com.googlecode.objectify.ObjectifyService.ofy;
    import static junit.framework.Assert.assertEquals;
    import static junit.framework.Assert.assertNotNull;


    public class OfyListRefTest extends TestCase{

    private final LocalServiceTestHelper helper = new LocalServiceTestHelper(
    new LocalDatastoreServiceTestConfig().setDefaultHighRepJobPolicyUnappliedJobPercentage(1),
    new LocalBlobstoreServiceTestConfig());

    @Override
    @Before
    public void setUp() {
    this.helper.setUp();

    ObjectifyService.register(Person.class);
    ObjectifyService.register(Car.class);
    }

    @Override
    @After
    public void tearDown() {
    this.helper.tearDown();
    }

    @Test
    public void testCreateCar(){

    Person driver = new Person();
    driver.setEmail("[email protected]");
    driver.setName("Driver");
    Key<Person> driverKey = ofy().save().entity(driver).now();
    assertNotNull(driverKey);

    Car car = new Car();
    car.setDriver(driver);
    Key<Car> carKey = ofy().save().entity(car).now();

    assertNotNull(carKey);
    }

    @Test
    public void testCreateCarWithPassengers(){

    Person driver = new Person();
    driver.setEmail("[email protected]");
    driver.setName("Driver");
    Key<Person> driverKey = ofy().save().entity(driver).now();

    Person passenger = new Person();
    passenger.setEmail("[email protected]");
    passenger.setName("Passenger");
    ofy().save().entity(passenger).now();

    Person passenger2 = new Person();
    passenger2.setEmail("[email protected]");
    passenger2.setName("Passenger 2");
    ofy().save().entity(passenger2).now();

    Person passenger3 = new Person();
    passenger3.setEmail("[email protected]");
    passenger3.setName("Passenger 3");
    ofy().save().entity(passenger3).now();

    Car car = new Car();
    car.setDriver(driver);
    car.addPassenger(passenger);
    car.addPassenger(passenger2);
    car.addPassenger(passenger3);
    Key<Car> carKey = ofy().save().entity(car).now();

    //clear ofy cache to ensure new objetc from DS
    ofy().clear();

    //check load without group
    Car carSaved = ofy().load().key( carKey ).now();

    assertNotNull(carSaved);
    assertEquals("The car dosen't have 3 passengers", 3, carSaved.getPassengersRefs().size());
    assertEquals("The passengers are loaded", 0, carSaved.getPassengers().size());

    //clear ofy cache to ensure new objetc from DS
    ofy().clear();

    //check load with group
    carSaved = ofy().load().group(Person.Passenger.class).key( carKey ).now();

    assertNotNull(carSaved);
    assertEquals("There are no passengers loaded", 3, carSaved.getPassengers().size());
    assertNotNull("Passenger email is empty", carSaved.getPassengers().get(1).getEmail());
    }


    }
    37 changes: 37 additions & 0 deletions Person.java
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    @@ -0,0 +1,37 @@
    package com.alejandrogr.gists.ofylistref;

    import com.googlecode.objectify.Key;
    import com.googlecode.objectify.annotation.Entity;
    import com.googlecode.objectify.annotation.Id;

    @Entity
    public class Person {

    @Id private String email;
    private String name;


    public Key<Person> getKey() {
    return Key.create(Person.class, email);
    }

    public String getEmail() {
    return email;
    }

    public void setEmail(String email) {
    this.email = email;
    }

    public String getName() {
    return name;
    }

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

    //empty class just for load group passenger
    public class Passenger{}

    }
  2. @alejandrogr alejandrogr revised this gist Jan 25, 2014. 1 changed file with 31 additions and 21 deletions.
    52 changes: 31 additions & 21 deletions Car.java
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    Original file line number Diff line number Diff line change
    @@ -1,44 +1,54 @@
    package entity;
    package com.alejandrogr.gists.ofylistref;

    import com.googlecode.objectify.Ref;
    import com.googlecode.objectify.annotation.Entity;
    import com.googlecode.objectify.annotation.Id;
    import com.googlecode.objectify.annotation.Ignore;
    import com.googlecode.objectify.annotation.Load;
    import com.googlecode.objectify.annotation.OnLoad;
    import entity.Person;
    import entity.Passenger;

    import java.util.ArrayList;
    import java.util.List;
    @Entity
    class Car {

    @Ignore private List<Passenger> passengers;
    @Ignore private List<Person> passengers;
    @Ignore private Person driver;

    @Id Long id;
    @Load transient Ref<Person> driverRef; // Person is an @Entity
    @Load(Passenger.class) transient List<Ref<Passenger>> passengersRefs;

    @Id private Long id;
    @Load private transient Ref<Person> driverRef; // Person is an @Entity
    @Load(Person.Passenger.class) private transient List<Ref<Person>> passengersRefs;

    public Car(){
    passengersRefs = new ArrayList<Ref<Person>>();
    }

    public Person getDriver() { return driverRef.get(); }
    public void setDriver(Person person) { driverRef = Ref.create(person.getKey()); }

    @OnLoad
    public void deRef() {
    if (passengersRefs != null) {
    passengers = new ArrayList<Passenger>();
    for (Ref<Passenger> passengerLoaded : passengersRefs) {
    passengers = new ArrayList<Person>();
    for (Ref<Person> passengerLoaded : passengersRefs) {
    if (passengerLoaded.isLoaded()) {
    passengers.add(passengerLoaded.get());
    }
    }
    }
    if( driverRef != null ){ driver = driverRef.get()}
    if( driverRef != null ){
    driver = driverRef.get();
    }
    }

    public void addPassenger(Passenger passenger) {
    Ref<Passenger> ref = Ref.create(passenger.getKey());
    if (!this.passengersRefs.contains(ref)) {
    this.passengersRefs.add(ref);
    public void addPassenger(Person passenger) {
    Ref<Person> ref = Ref.create(passenger.getKey());
    if (!passengersRefs.contains(ref)) {
    passengersRefs.add(ref);
    }
    }
    }

    public Person getDriver() { return driverRef.get(); }
    public void setDriver(Person p_person) { driverRef = Ref.create(p_person.getKey()); }
    public List<Ref<Person>> getPassengersRefs() { return passengersRefs; }
    public void setPassengersRefs(List<Ref<Person>> p_passengersRefs) { passengersRefs = p_passengersRefs; }
    public List<Person> getPassengers() {return passengers;}
    public void setPassengers(List<Person> p_passengers) {passengers = p_passengers;}
    }
  3. @alejandrogr alejandrogr renamed this gist Jan 24, 2014. 1 changed file with 0 additions and 0 deletions.
    0 Objectify List Ref → Car.java
    View file
    File renamed without changes.
  4. @alejandrogr alejandrogr revised this gist Jan 24, 2014. 1 changed file with 9 additions and 0 deletions.
    9 changes: 9 additions & 0 deletions Objectify List Ref
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    Original file line number Diff line number Diff line change
    @@ -1,5 +1,14 @@
    package entity;

    import com.googlecode.objectify.Ref;
    import com.googlecode.objectify.annotation.Entity;
    import com.googlecode.objectify.annotation.Id;
    import com.googlecode.objectify.annotation.Ignore;
    import com.googlecode.objectify.annotation.Load;
    import com.googlecode.objectify.annotation.OnLoad;
    import entity.Person;
    import entity.Passenger;

    @Entity
    class Car {

  5. @alejandrogr alejandrogr revised this gist Jan 24, 2014. 1 changed file with 2 additions and 0 deletions.
    2 changes: 2 additions & 0 deletions Objectify List Ref
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    Original file line number Diff line number Diff line change
    @@ -1,3 +1,5 @@
    package entity;

    @Entity
    class Car {

  6. @alejandrogr alejandrogr created this gist Jan 24, 2014.
    33 changes: 33 additions & 0 deletions Objectify List Ref
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,33 @@
    @Entity
    class Car {

    @Ignore private List<Passenger> passengers;
    @Ignore private Person driver;

    @Id Long id;
    @Load transient Ref<Person> driverRef; // Person is an @Entity
    @Load(Passenger.class) transient List<Ref<Passenger>> passengersRefs;

    public Person getDriver() { return driverRef.get(); }
    public void setDriver(Person person) { driverRef = Ref.create(person.getKey()); }

    @OnLoad
    public void deRef() {
    if (passengersRefs != null) {
    passengers = new ArrayList<Passenger>();
    for (Ref<Passenger> passengerLoaded : passengersRefs) {
    if (passengerLoaded.isLoaded()) {
    passengers.add(passengerLoaded.get());
    }
    }
    }
    if( driverRef != null ){ driver = driverRef.get()}
    }

    public void addPassenger(Passenger passenger) {
    Ref<Passenger> ref = Ref.create(passenger.getKey());
    if (!this.passengersRefs.contains(ref)) {
    this.passengersRefs.add(ref);
    }
    }
    }