Hibernate OGM 5.4.1.Final：参考指南

<plugins>
    <plugin>
        <groupId>org.wildfly.build</groupId>
        <artifactId>wildfly-server-provisioning-maven-plugin</artifactId>
        <version>1.2.10.Final</version>
        <executions>
            <execution>
            <id>server-provisioning</id>
            <goals>
                <goal>build</goal>
            </goals>
            <phase>compile</phase>
            <configuration>
                <config-file>server-provisioning.xml</config-file>
                <server-name>wildfly-with-hibernate-ogm</server-name>
            </configuration>
            </execution>
        </executions>
    </plugin>
</plugins>

<server-provisioning xmlns="urn:wildfly:server-provisioning:1.1">
    <feature-packs>

        <feature-pack
            groupId="org.hibernate.ogm"
            artifactId="hibernate-ogm-featurepack-infinispan-remote"
            version="5.4.1.Final" /> (1)

        <feature-pack
            groupId="org.hibernate.ogm"
            artifactId="hibernate-ogm-featurepack-infinispan-embedded"
            version="5.4.1.Final" /> (1)

        <feature-pack
            groupId="org.hibernate.ogm"
            artifactId="hibernate-ogm-featurepack-mongodb"
            version="5.4.1.Final" /> (1)

        <feature-pack
            groupId="org.hibernate.ogm"
            artifactId="hibernate-ogm-featurepack-neo4j"
            version="5.4.1.Final" /> (1)

    </feature-packs>
</server-provisioning>

@Entity
public class GuitarPlayer {

    @Id
    @GeneratedValue
    private long id;

    // getters, setters ...
}

@Entity
public class GuitarPlayer {

    @Id
    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "gen1")
    @SequenceGenerator( name = "gen1",
                        sequenceName = "GuitarPlayerCounter",
                        initialValue = 5 )
    private long id;

    // getters, setters ...
}

<infinispan>
...
    <cache-container>

    ...

        <!-- Clustered Counters are defined at runtime by InfinispanDialect -->
        <counters xmlns="urn:infinispan:config:counters:9.1"
            num-owners="4" reliability="CONSISTENT">

            <strong-counter name="GuitarPlayerCounter"
                initial-value="0" storage="VOLATILE">

                <lower-bound value="0" />
            </strong-counter>
        </counters>
    </cache-container>
</infinispan

@Entity
public class GuitarPlayer {

    @Id
    @GeneratedValue(strategy = GenerationType.TABLE)
    private long id;

    private String name;

    // getters, setters ...
}

@Entity
public class GuitarPlayer {

    @Id
    @GeneratedValue(strategy = GenerationType.TABLE, generator = "guitarGen")
    @TableGenerator(
        name = "guitarGen",
        table = "GuitarPlayerSequence",
        pkColumnName = "seq"
        pkColumnValue = "guitarPlayer",
    )
    private long id;

    // getters, setters ...
}

@Entity
public class Song {

  @Id
  @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "songSequenceGenerator")
  @SequenceGenerator(
      name = "songSequenceGenerator",
      sequenceName = "song_sequence",
      initialValue = 2,
      allocationSize = 20
  )
  private Long id;

  private String title;

  // getters, setters ...
}

@Entity
public class News {

    @Id
    private String id;
    private String title;

    @Embedded
    private NewsPaper paper;

    // getters, setters ...
}

@Embeddable
public class NewsPaper {

    private String name;
    private String owner;

    // getters, setters ...
}

@Entity
public class GrandMother {

    @Id
    private String id;

    @ElementCollection
    private List<GrandChild> grandChildren = new ArrayList<GrandChild>();

    // getters, setters ...
}

@Embeddable
public class GrandChild {

    private String name;

    // getters, setters ...
}

@Entity
public class GrandMother {

    @Id
    private String id;

    @ElementCollection
    @OrderColumn( name = "birth_order" )
    private List<GrandChild> grandChildren = new ArrayList<GrandChild>();

    // getters, setters ...
}

@Embeddable
public class GrandChild {

    private String name;

    // getters, setters ...
}

@Entity
public class ForumUser {

    @Id
    private String name;

    @ElementCollection
    private Map<String, JiraIssue> issues = new HashMap<>();

    // getters, setters ...
}

@Embeddable
public class JiraIssue {

    private Integer number;
    private String project;

    // getters, setters ...
}

@Entity
public class Bookmark {

    @Id
    private String id;

    private String title;

    // getters, setters ...
}

{
  "_id" : "bookmark_1"
  "title" : "Hibernate OGM documentation"
}

@Embeddable
public class NewsID implements Serializable {

    private String title;
    private String author;

    // getters, setters ...
}

@Entity
public class News {

    @EmbeddedId
    private NewsID newsId;
    private String content;

    // getters, setters ...
}

{
  "_id" : {
      "author" : "Guillaume",
      "title" : "How to use Hibernate OGM ?"
  },
  "content" : "Simple, just like ORM but with a NoSQL database"
}

@Entity
public class News {

    @Id
    private ObjectId id;

    private String title;

    // getters, setters ...
}

@Entity
public class News {

    @Id
    @Type(type = "objectid")
    private String id;

    private String title;

    // getters, setters ...
}

@Entity
public class News {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Type(type = "objectid")
    private String id;

    private String title;

    // getters, setters ...
}

{
    "_id" : ObjectId("5425448830048b67064d40b1"),
    "title" : "Exciting News"
}

@Entity
public class News {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private ObjectId id;

    private String title;

    // getters, setters ...
}

{
    "_id" : ObjectId("5425448830048b67064d40b1"),
    "title" : "Exciting News"
}

@Entity
public class GuitarPlayer {

    @Id
    @GeneratedValue(strategy = GenerationType.TABLE)
    private Long id;

    private String name;

    // getters, setters ...
}

{
    "_id" : NumberLong(1),
    "name" : "Buck Cherry"
}

{
    "_id" : "GuitarPlayer",
    "next_val" : 101
}

@Entity
public class GuitarPlayer {

    @Id
    @GeneratedValue(strategy = GenerationType.TABLE, generator = "guitarGen")
    @TableGenerator(
        name = "guitarGen",
        table = "GuitarPlayerSequence",
        pkColumnValue = "guitarPlayer",
        valueColumnName = "nextGuitarPlayerId"
    )
    private long id;

    // getters, setters ...
}

{
    "_id" : NumberLong(1),
    "name" : "Buck Cherry"
}

{
    "_id" : "guitarPlayer",
    "nextGuitarPlayerId" : 2
}

@Entity
public class Song {

  @Id
  @GeneratedValue(strategy = GenerationType.SEQUENCE)
  private Long id;

  private String title;

  // getters, setters ...
}

{
  "_id" : NumberLong(2),
  "title" : "Flower Duet"
}

{ "_id" : "song_sequence_name", "next_val" : 21 }

@Entity
public class Song {

  @Id
  @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "songSequenceGenerator")
  @SequenceGenerator(
      name = "songSequenceGenerator",
      sequenceName = "song_seq",
      initialValue = 2,
      allocationSize = 20
  )
  private Long id;

  private String title;

  // getters, setters ...
}

{
  "_id" : NumberLong(2),
  "title" : "Flower Duet"
}

{ "_id" : "song_seq", "next_val" : 42 }

@Entity
public class DistributedRevisionControl {

  @Id
  @GeneratedValue(strategy = GenerationType.AUTO)
  private Long id;

  private String name;

  // getters, setters ...
}

{ "_id" : NumberLong(1), "name" : "Git" }

{ "_id" : "hibernate_sequence", "next_val" : 2 }

@Entity
public class Comedian {

  @Id
  @GeneratedValue(strategy = GenerationType.AUTO)
  private ObjectId id;

  private String name;

  // getters, setters ...
}

{ "_id" : ObjectId("5458b11693f4add0f90519c5"), "name" : "Louis C.K." }

@Entity
public class News {

    @EmbeddedId
    private NewsID newsId;

    // getters, setters ...
}

@Embeddable
public class NewsID implements Serializable {

    private String title;
    private String author;

    // getters, setters ...
}

{
    "_id" :{
        "title": "How does Hibernate OGM MongoDB work?",
        "author": "Guillaume"
    }
}

@Entity
public class News {

    @Id
    private String id;
    private String title;

    @Embedded
    private NewsPaper paper;

    // getters, setters ...
}

@Embeddable
public class NewsPaper {

    private String name;
    private String owner;

    // getters, setters ...
}

{
    "_id" : "1234-5678-0123-4567",
    "title": "On the merits of NoSQL",
    "paper": {
        "name": "NoSQL journal of prophecies",
        "owner": "Delphy"
    }
}

@Entity
public class AccountWithPhone {

    @Id
    private String id;

    @ElementCollection
    private List<String> mobileNumbers;

    // getters, setters ...
}

{
    "_id" : "john_account",
    "mobileNumbers" : [ "+1-222-555-0222", "+1-202-555-0333" ]
}

@Entity
public class GrandMother {

    @Id
    private String id;

    @ElementCollection
    private List<GrandChild> grandChildren = new ArrayList<GrandChild>();

    // getters, setters ...
}

@Embeddable
public class GrandChild {

    private String name;

    // getters, setters ...
}

{
    "_id" : "df153180-c6b3-4a4c-a7da-d5de47cf6f00",
    "grandChildren" : [ "Luke", "Leia" ]
}

@Entity
public class GrandMother {

    @Id
    private String id;

    @ElementCollection
    @OrderColumn( name = "birth_order" )
    private List<GrandChild> grandChildren = new ArrayList<GrandChild>();

    // getters, setters ...
}

@Embeddable
public class GrandChild {

    private String name;

    // getters, setters ...
}

{
    "_id" : "e3e1ed4e-c685-4c3f-9a67-a5aeec6ff3ba",
    "grandChildren" :
        [
            {
                "name" : "Luke",
                "birth_order" : 0
            },
            {
                "name" : "Leia",
                "birthorder" : 1
            }
        ]
}

@Entity
public class ForumUser {

    @Id
    private String name;

    @ElementCollection
    private Map<String, JiraIssue> issues = new HashMap<>();

    // getters, setters ...
}

@Embeddable
public class JiraIssue {

    private Integer number;
    private String project;

    // getters, setters ...
}

{
        "_id" : "Jane Doe",
        "issues" : {
                "issueWithNull" : {
                },
                "issue2" : {
                    "number" : 2000,
                    "project" : "OGM"
                },
                "issue1" : {
                    "number" : 1253,
                    "project" : "HSEARCH"
                }
        }
}

@Entity
public class Vehicle {

    @Id
    private String id;
    private String brand;

    // getters, setters ...
}


@Entity
public class Wheel {

    @Id
    private String id;
    private double diameter;

    @OneToOne
    private Vehicle vehicle;

    // getters, setters ...
}

{
  "_id" : "V_01",
  "brand" : "Mercedes"
}

{
  "_id" : "W001",
  "diameter" : 0,
  "vehicle_id" : "V_01"
}

@Entity
public class Vehicle {

    @Id
    private String id;
    private String brand;

    // getters, setters ...
}


@Entity
public class Wheel {

    @Id
    private String id;
    private double diameter;

    @OneToOne
    @JoinColumn( name = "part_of" )
    private Vehicle vehicle;

    // getters, setters ...
}

{
  "_id" : "V_01",
  "brand" : "Mercedes"
}

{
  "_id" : "W001",
  "diameter" : 0,
  "part_of" : "V_01"
}

@Entity
public class Vehicle {

    @Id
    private String id;
    private String brand;

    // getters, setters ...
}

@Entity
public class Wheel {

    @Id
    private String id;
    private double diameter;

    @OneToOne
    @PrimaryKeyJoinColumn
    @MapsId
    private Vehicle vehicle;

    // getters, setters ...
}

{
  "_id" : "V_01",
  "brand" : "Mercedes"
}

{
  "_id" : "V_01",
  "diameter" : 0,
}

@Entity
public class Husband {

    @Id
    private String id;
    private String name;

    @OneToOne
    private Wife wife;

    // getters, setters ...
}

@Entity
public class Wife {

    @Id
    private String id;
    private String name;

    @OneToOne
    private Husband husband;

    // getters, setters ...
}

{
  "_id" : "alex",
  "name" : "Alex",
  "wife" : "bea"
}

{
  "_id" : "bea",
  "name" : "Bea",
  "husband" : "alex"
}

@Entity
public class Person {

    @Id
    private String name;
    @OneToOne
    private Person spouse;
    @OneToMany
    private List<Person> children;

    // getters, setters ...
}

{ "_id" : "Nick", "spouse_name" : "Kate", "children" : [ "Louis", "Tom", "Alex" ] }
{ "_id" : "Tom", "spouse_name" : "Mary" }
{ "_id" : "Louis" }
{ "_id" : "Kate", "spouse_name" : "Nick", "children" : [ "Louis", "Tom", "Alex" ] }
{ "_id" : "Mary", "spouse_name" : "Tom" }
{ "_id" : "Alex" }

@Entity
public class JavaUserGroup {

    @Id
    private String jugId;
    private String name;

    // getters, setters ...
}

@Entity
public class Member {

    @Id
    private String id;
    private String name;

    @ManyToOne
    private JavaUserGroup memberOf;

    // getters, setters ...
}

{
    "_id" : "summer_camp",
    "name" : "JUG Summer Camp"
}

{
    "_id" : "jerome",
    "name" : "Jerome"
    "memberOf_jugId" : "summer_camp"
}
{
    "_id" : "emmanuel",
    "name" : "Emmanuel Bernard"
    "memberOf_jugId" : "summer_camp"
}

@Entity
public class SalesForce {

    @Id
    private String id;
    private String corporation;

    @OneToMany(mappedBy = "salesForce")
    private Set<SalesGuy> salesGuys = new HashSet<SalesGuy>();

    // getters, setters ...
}

@Entity
public class SalesGuy {
    private String id;
    private String name;

    @ManyToOne
    private SalesForce salesForce;

    // getters, setters ...
}

{
    "_id" : "red_hat",
    "corporation" : "Red Hat",
    "salesGuys" : [ "eric", "simon" ]
}

{
    "_id" : "eric",
    "name" : "Eric"
    "salesForce_id" : "red_hat",
}
{
    "_id" : "simon",
    "name" : "Simon",
    "salesForce_id" : "red_hat"
}

@Entity
public class Game {

    @EmbeddedId
    private GameId id;

    private String name;

    @ManyToOne
    private Court playedOn;

    // getters, setters ...
}


public class GameId implements Serializable {

    private String category;

    @Column(name = "id.gameSequenceNo")
    private int sequenceNo;

    // getters, setters ...
    // equals / hashCode
}

@Entity
public class Court {

    @EmbeddedId
    private CourtId id;

    private String name;

    @OneToMany(mappedBy = "playedOn")
    private Set<Game> games = new HashSet<Game>();

    // getters, setters ...
}

public class CourtId implements Serializable {

    private String countryCode;
    private int sequenceNo;

    // getters, setters ...
    // equals / hashCode
}

{
    "_id" : {
        "countryCode" : "DE",
        "sequenceNo" : 123
    },
    "name" : "Hamburg Court",
    "games" : [
        { "gameSequenceNo" : 457, "category" : "primary" },
        { "gameSequenceNo" : 456, "category" : "primary" }
    ]
}

{
    "_id" : {
        "category" : "primary",
        "gameSequenceNo" : 456
    },
    "name" : "The game",
    "playedOn_id" : {
        "countryCode" : "DE",
        "sequenceNo" : 123
    }
}
{
    "_id" : {
        "category" : "primary",
        "gameSequenceNo" : 457
    },
    "name" : "The other game",
    "playedOn_id" : {
        "countryCode" : "DE",
        "sequenceNo" : 123
    }
}

@Entity
public class Basket {

    @Id
    private String id;

    private String owner;

    @OneToMany
    private List<Product> products = new ArrayList<Product>();

    // getters, setters ...
}

@Entity
public class Product {

    @Id
    private String name;

    private String description;

    // getters, setters ...
}

{
  "_id" : "davide_basket",
  "owner" : "Davide",
  "products" : [ "Beer", "Pretzel" ]
}

{
  "_id" : "Pretzel",
  "description" : "Glutino Pretzel Sticks"
}
{
  "_id" : "Beer",
  "description" : "Tactical nuclear penguin"
}

@Entity
public class Basket {

    @Id
    private String id;

    private String owner;

    @OneToMany
    private List<Product> products = new ArrayList<Product>();

    // getters, setters ...
}

@Entity
public class Product {

    @Id
    private String name;

    private String description;

    // getters, setters ...
}

{
  "_id" : "davide_basket",
  "owner" : "Davide",
  "products" : [
    {
      "products_name" : "Pretzel",
      "products_ORDER" : 1
    },
    {
      "products_name" : "Beer",
      "products_ORDER" : 0
    }
  ]
}

{
  "_id" : "Pretzel",
  "description" : "Glutino Pretzel Sticks"
}
{
  "_id" : "Beer",
  "description" : "Tactical nuclear penguin"
}

@Entity
public class User {

    @Id
    private String id;

    @OneToMany
    private Map<String, Address> addresses = new HashMap<String, Address>();

    // getters, setters ...
}

@Entity
public class Address {

    @Id
    private String id;
    private String city;

    // getters, setters ...
}

{
  "_id" : "user_001",
  "addresses" : [
    {
      "work" : "address_001",
      "home" : "address_002"
    }
  ]
}

{ "_id" : "address_001", "city" : "Rome" }
{ "_id" : "address_002", "city" : "Paris" }

@Entity
public class User {

    @Id
    private String id;

    @OneToMany
    @MapKeyColumn(name = "addressType")
    private Map<Long, Address> addresses = new HashMap<Long, Address>();

    // getters, setters ...
}

@Entity
public class Address {

    @Id
    private String id;
    private String city;

    // getters, setters ...
}

{
  "_id" : "user_001",
  "addresses" : [
    {
      "addressType" : 1,
      "addresses_id" : "address_001"
    },
    {
      "addressType" : 2,
      "addresses_id" : "address_002"
    }
  ]
}

{ "_id" : "address_001", "city" : "Rome" }
{ "_id" : "address_002", "city" : "Paris" }

@Entity
public class Student {

    @Id
    private String id;
    private String name;

    // getters, setters ...
}

@Entity
public class ClassRoom {

    @Id
    private long id;
    private String lesson;

    @ManyToMany
    private List<Student> students = new ArrayList<Student>();

    // getters, setters ...
}

{
  "_id" : "john",
  "name" :"John Doe" }
{
  "_id" : "mario",
  "name" : "Mario Rossi"
}
{
  "_id" : "kate",
  "name" : "Kate Doe"
}

{
  "_id" : NumberLong(1),
  "lesson" : "Math"
  "students" : [
     "mario",
     "john"
  ]
}
{
  "_id" : NumberLong(2),
  "lesson" : "English"
  "students" : [
     "mario",
     "kate"
  ]
}

@Entity
public class AccountOwner {

    @Id
    private String id;

    private String SSN;

    @ManyToMany
    private Set<BankAccount> bankAccounts;

    // getters, setters ...
}

@Entity
public class BankAccount {

    @Id
    private String id;

    private String accountNumber;

    @ManyToMany( mappedBy = "bankAccounts" )
    private Set<AccountOwner> owners = new HashSet<AccountOwner>();

    // getters, setters ...
}

{
    "_id" : "owner_1",
    "SSN" : "0123456"
    "bankAccounts" : [ "account_1" ]
}

{
    "_id" : "account_1",
    "accountNumber" : "X2345000"
    "owners" : [ "owner_1", "owner2222" ]
}

@Entity
public class Race {
    @EmbeddedId
    private RaceId raceId;

    @OrderColumn(name = "ranking")
    @OneToMany @JoinTable(name = "Race_Runners")
    private List<Runner> runnersByArrival = new ArrayList<Runner>();

    // getters, setters ...
}

public class RaceId implements Serializable {
    private int federationSequence;
    private int federationDepartment;

    // getters, setters, equals, hashCode
}

@Entity
public class Runner {
    @EmbeddedId
    private RunnerId runnerId;
    private int age;

    // getters, setters ...
}

public class RunnerId implements Serializable {
    private String firstname;
    private String lastname;

    // getters, setters, equals, hashCode
}

{
    "_id": {
        "federationDepartment": 75,
        "federationSequence": 23
    },
    "runnersByArrival": [{
        "firstname": "Pere",
        "lastname": "Noel",
        "ranking": 1
    }, {
        "firstname": "Emmanuel",
        "lastname": "Bernard",
        "ranking": 0
    }]
}

{
    "_id": {
        "firstname": "Pere",
        "lastname": "Noel"
    },
    "age": 105
} {
    "_id": {
        "firstname": "Emmanuel",
        "lastname": "Bernard"
    },
    "age": 37
}

{
    "_id" : { "owners_id" : "owner0001" },
    "rows" : [
        "accountABC",
        "accountXYZ"
    ]
}

{
    "_id" : { "owners_id" : "owner0001" },
    "rows" : [ "accountABC", "accountXYZ" ]
}
{
    "_id" : { "bankAccounts_id" : "accountXYZ" },
    "rows" : [ "owner0001" ]
}

@Entity
public class Basket {

    @Id
    private String id;

    private String owner;

    @OneToMany
    private List<Product> products = new ArrayList<Product>();

    // getters, setters ...
}

@Entity
public class Product {

    @Id
    private String name;

    private String description;

    // getters, setters ...
}

{
  "_id" : "davide_basket",
  "owner" : "Davide"
}

{
  "_id" : "Pretzel",
  "description" : "Glutino Pretzel Sticks"
}
{
  "_id" : "Beer",
  "description" : "Tactical nuclear penguin"
}

{
  "_id" : { "Basket_id" : "davide_basket" },
  "rows" : [ "Beer", "Pretzel" ]
}

@Entity
public class Basket {

    @Id
    private String id;

    private String owner;

    @OneToMany
    @OrderColumn
    private List<Product> products = new ArrayList<Product>();

    // getters, setters ...
}

@Entity
public class Product {

    @Id
    private String name;

    private String description;

    // getters, setters ...
}

{
  "_id" : "davide_basket",
  "owner" : "Davide"
}

{
  "_id" : "Pretzel",
  "description" : "Glutino Pretzel Sticks"
}
{
  "_id" : "Beer",
  "description" : "Tactical nuclear penguin"
}

{
  "_id" : { "Basket_id" : "davide_basket" },
  "rows" : [
    {
      "products_name" : "Pretzel",
      "products_ORDER" : 1
    },
    {
      "products_name" : "Beer",
      "products_ORDER" : 0
    }
  ]
}

@Entity
public class Student {

    @Id
    private String id;
    private String name;

    // getters, setters ...
}

@Entity
public class ClassRoom {

    @Id
    private long id;
    private String lesson;

    @ManyToMany
    private List<Student> students = new ArrayList<Student>();

    // getters, setters ...
}

{
  "_id" : "john",
  "name" : "John Doe"
}
{
  "_id" : "mario",
  "name" : "Mario Rossi"
}
{
  "_id" : "kate",
  "name" : "Kate Doe"
}

{
  "_id" : NumberLong(1),
  "lesson" : "Math"
}
{
  "_id" : NumberLong(2),
  "lesson" : "English"
}

{
  "_id" : {
    "ClassRoom_id" : NumberLong(1),
  },
  "rows" : [ "john", "mario" ]
}
{
  "_id" : {
    "ClassRoom_id" : NumberLong(2),
  },
  "rows" : [ "mario", "kate" ]
}

@Entity
public class AccountOwner {

    @Id
    private String id;

    private String SSN;

    @ManyToMany
    private Set<BankAccount> bankAccounts;

    // getters, setters ...
}

@Entity
public class BankAccount {

    @Id
    private String id;

    private String accountNumber;

    @ManyToMany(mappedBy = "bankAccounts")
    private Set<AccountOwner> owners = new HashSet<AccountOwner>();

    // getters, setters ...
}

{
  "_id" : "owner_1",
  "SSN" : "0123456"
}

{
  "_id" : "account_1",
  "accountNumber" : "X2345000"
}

{
  "_id" : {
    "bankAccounts_id" : "account_1"
  },
  "rows" : [ "owner_1" ]
}
{
  "_id" : {
    "owners_id" : "owner_1"
  },
  "rows" : [ "account_1" ]
}

@Entity
public class AccountOwner {

    @Id
    private String id;

    private String SSN;

    @ManyToMany
    @JoinTable( name = "OwnerBankAccounts" )
    private Set<BankAccount> bankAccounts;

    // getters, setters ...
}

@Entity
public class BankAccount {

    @Id
    private String id;

    private String accountNumber;

    @ManyToMany(mappedBy = "bankAccounts")
    private Set<AccountOwner> owners = new HashSet<AccountOwner>();

    // getters, setters ...
}

{
  "_id" : "owner_1",
  "SSN" : "0123456"
}

{
  "_id" : "account_1",
  "accountNumber" : "X2345000"
}

{
  "_id" : {
    "bankAccounts_id" : "account_1"
  },
  "rows" : [ "owner_1" ]
}
{
  "_id" : {
    "owners_id" : "owner_1"
  },
  "rows" : [ "account_1" ]
}

{
    "_id": {
        "owners_id": "owner0001",
        "table": "AccountOwner_BankAccount"
    },
    "rows": [ "accountABC", "accountXYZ" ]
}

{
    "_id": {
        "owners_id": "owner0001",
        "table": "AccountOwner_BankAccount"
    },
    "rows": [ "accountABC", "accountXYZ" ]
}
{
    "_id": {
        "bankAccounts_id": "accountXYZ",
        "table": "AccountOwner_BankAccount"
    },
    "rows": [ "owner0001" ]
}

@Entity
public class Basket {

    @Id
    private String id;

    private String owner;

    @OneToMany
    private List<Product> products = new ArrayList<Product>();

    // getters, setters ...
}

@Entity
public class Product {

    @Id
    private String name;

    private String description;

    // getters, setters ...
}

{
  "_id" : "davide_basket",
  "owner" : "Davide"
}

{
  "_id" : "Pretzel",
  "description" : "Glutino Pretzel Sticks"
}
{
  "_id" : "Beer",
  "description" : "Tactical nuclear penguin"
}

{
  "_id" : {
    "Basket_id" : "davide_basket",
    "table" : "Basket_Product"
  },
  "rows" : [
    {
      "products_name" : "Pretzel",
      "products_ORDER" : 1
    },
    {
      "products_name" : "Beer",
    "products_ORDER" : 0
    }
  ]
}

@Entity
public class Basket {

    @Id
    private String id;

    private String owner;

    @OneToMany
    // It will change the value stored in the field table in the Associations collection
    @JoinTable( name = "BasketContent" )
    private List<Product> products = new ArrayList<Product>();

    // getters, setters ...
}

@Entity
public class Product {

    @Id
    private String name;

    private String description;

    // getters, setters ...
}

{
  "_id" : "davide_basket",
  "owner" : "Davide"
}

{
  "_id" : "Pretzel",
  "description" : "Glutino Pretzel Sticks"
}
{
  "_id" : "Beer",
  "description" : "Tactical nuclear penguin"
}

{
  "_id" : {
    "Basket_id" : "davide_basket",
    "table" : "BasketContent"
  },
  "rows" : [ "Beer", "Pretzel" ]
}

@Entity
public class Student {

    @Id
    private String id;
    private String name;

    // getters, setters ...
}

@Entity
public class ClassRoom {

    @Id
    private long id;
    private String lesson;

    @ManyToMany
    private List<Student> students = new ArrayList<Student>();

    // getters, setters ...
}

{
  "_id" : "john",
  "name" : "John Doe"
}
{
  "_id" : "mario",
  "name" : "Mario Rossi"
}
{
  "_id" : "kate",
  "name" : "Kate Doe"
}

{
  "_id" : NumberLong(1),
  "lesson" : "Math"
}
{
  "_id" : NumberLong(2),
  "lesson" : "English"
}

{
  "_id" : {
    "ClassRoom_id" : NumberLong(1),
    "table" : "ClassRoom_Student"
  },
  "rows" : [ "john", "mario" ]
}
{
  "_id" : {
    "ClassRoom_id" : NumberLong(2),
    "table" : "ClassRoom_Student"
  },
  "rows" : [ "mario", "kate" ]
}

@Entity
public class AccountOwner {

    @Id
    private String id;

    private String SSN;

    @ManyToMany
    private Set<BankAccount> bankAccounts;

    // getters, setters ...
}

@Entity
public class BankAccount {

    @Id
    private String id;

    private String accountNumber;

    @ManyToMany(mappedBy = "bankAccounts")
    private Set<AccountOwner> owners = new HashSet<AccountOwner>();

    // getters, setters ...
}

{
  "_id" : "owner0001",
  "SSN" : "0123456"
}

{
  "_id" : "account_1",
  "accountNumber" : "X2345000"
}

{
  "_id" : {
    "bankAccounts_id" : "account_1",
    "table" : "AccountOwner_BankAccount"
    },

  "rows" : [ "owner0001" ]
}
{
  "_id" : {
    "owners_id" : "owner0001",
    "table" : "AccountOwner_BankAccount"
  },

  "rows" : [ "account_1" ]
}

// Valid syntax
String valid = "db.Poem.find({ \"name\" : \"Athanasia\" })";

String alsoValid = "db.Poem.find({ '$or' : [{'name': 'Athanasia' }, {'name': 'Portia' }]})";

String validAggregation = "db.Poem.aggregate([{ '$match': {'author': { '$regex': 'oscar.*', '$options': 'i' } } }, { '$sort': {'name': -1 } } ])";

// NOT Valid syntax, it will throw an exception: com.mongodb.util.JSONParseException
String notValid =  "db.Poem.find({ name : \"Athanasia\" })";

String alsoNotValid = "db.Poem.find({ $or : [{name: 'Athanasia' }, {name: 'Portia' }]})";

String nativeQuery = "db.Poem.find({ '$query': { 'author': 'Oscar Wilde' }, '$orderby' : { 'name' : 1 } })";

// Using hibernate session
List<Poem> result = session.createNativeQuery( nativeQuery )
    .addEntity( Poem.class )
    .setMaxResults( 2 )
    .list();

// Using JPA entity manager
List<Poem> results = em.createNativeQuery( nativeQuery, Poem.class )
    .setMaxResults( 2 )
    .getResultList();

String updateQuery = "db.Poem.findAndModify({ 'query': {'_id': 1}, 'update': { '$set': { 'author': 'Oscar Wilde' } }, 'new': true })";
List<Poem> updated = session.createNativeQuery( updateQuery ).addEntity( Poem.class ).list();

String insertQuery = "db.Poem.insert({ '_id': { '$numberLong': '11' }, 'author': 'Oscar Wilder', 'name': 'The one and wildest', 'rating': '1' } )";
int inserted = session.createNativeQuery( insertQuery ).executeUpdate();

String removeQuery = "db.Poem.remove({ '_id': { '$numberLong': '11' } })";
int removed = session.createNativeQuery( removeQuery ).executeUpdate();