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Added sample for Entity Graph.
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14 files changed

+382
-353
lines changed

14 files changed

+382
-353
lines changed

‎jpa/entitygraph/pom.xml‎

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<relativePath>../pom.xml</relativePath>
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</parent>
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<groupId>org.javaee7.jpa</groupId>
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<artifactId>entitygraph</artifactId>
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<version>1.0-SNAPSHOT</version>
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<packaging>war</packaging>
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</project>

‎jpa/entitygraph/src/main/java/org/javaee7/jpa/entitygraph/Movie.java‎

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package org.javaee7.jpa.entitygraph;
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import java.io.Serializable;
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import javax.persistence.CascadeType;
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import javax.persistence.Column;
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import javax.persistence.Entity;
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import javax.persistence.FetchType;
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import javax.persistence.Id;
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import javax.persistence.NamedAttributeNode;
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import javax.persistence.NamedEntityGraph;
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import javax.persistence.NamedQueries;
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import javax.persistence.NamedQuery;
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import javax.persistence.OneToOne;
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import javax.persistence.Table;
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import javax.persistence.*;
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import javax.validation.constraints.NotNull;
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import javax.validation.constraints.Size;
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import javax.xml.bind.annotation.XmlRootElement;
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import java.io.Serializable;
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import java.util.List;
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import java.util.Set;
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/**
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* @author Arun Gupta
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*/
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@Entity
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@Table(name = "MOVIE_ENTITY_GRAPH")
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@XmlRootElement
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@NamedQueries({
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@NamedQuery(name = "Movie.findAll", query = "SELECT m FROM Movie m"),
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@NamedQuery(name = "Movie.findById", query = "SELECT m FROM Movie m WHERE m.id = :id")})
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@NamedEntityGraph(attributeNodes = { @NamedAttributeNode("name") })
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@NamedQuery(name = "Movie.findAll", query = "SELECT m FROM Movie m")
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})
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@NamedEntityGraphs({
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@NamedEntityGraph(
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name = "movieWithActors",
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attributeNodes = {
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@NamedAttributeNode("movieActors")
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}
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),
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@NamedEntityGraph(
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name = "movieWithActorsAndAwards",
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attributeNodes = {
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@NamedAttributeNode(value = "movieActors", subgraph = "movieActorsGraph")
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},
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subgraphs = {
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@NamedSubgraph(
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name = "movieActorsGraph",
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attributeNodes = {
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@NamedAttributeNode("movieActorAwards")
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}
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)
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}
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)
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})
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public class Movie implements Serializable {
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private static final long serialVersionUID = 1L;
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@Id
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@NotNull
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@Column(name = "ID")
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private Integer id;
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@NotNull
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@Size(max = 50)
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@Column(name = "NAME")
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private String name;
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@OneToOne(cascade = CascadeType.ALL, mappedBy = "movieEntityGraph")
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// @OneToOne(cascade = CascadeType.ALL, mappedBy = "movieEntityGraph", fetch = FetchType.LAZY)
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private MovieActors movieActors;
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public Movie() {
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}
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public Movie(Integer id) {
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this.id = id;
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}
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public Integer getId() {
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return id;
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}
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public void setId(Integer id) {
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this.id = id;
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}
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@OneToMany
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@JoinColumn(name = "ID")
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private List<MovieActor> movieActors;
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public String getName() {
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return name;
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}
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@OneToMany(fetch = FetchType.EAGER)
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@JoinColumn(name = "ID")
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private List<MovieDirector> movieDirectors;
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public void setName(String name) {
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this.name = name;
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}
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@OneToMany
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@JoinColumn(name = "ID")
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private List<MovieAward> movieAwards;
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public MovieActors getMovieActors() {
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public List<MovieActor> getMovieActors() {
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return movieActors;
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}
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public void setMovieActors(MovieActors movieActors) {
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this.movieActors = movieActors;
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}
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@Override
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public int hashCode() {
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int hash = 0;
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hash += (id != null ? id.hashCode() : 0);
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return hash;
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}
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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@Override
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public boolean equals(Object object) {
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// TODO: Warning - this method won't work in the case the id fields are not set
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if (!(object instanceof Movie)) {
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return false;
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}
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Movie other = (Movie) object;
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if ((this.id == null && other.id != null) || (this.id != null && !this.id.equals(other.id))) {
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return false;
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}
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return true;
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Movie movie = (Movie) o;
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return id.equals(movie.id);
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}
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@Override
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public String toString() {
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return "org.glassfish.enttygraph.MovieEntityGraph[ id=" + id + " ]";
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public int hashCode() {
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return id.hashCode();
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}
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}

‎jpa/entitygraph/src/main/java/org/javaee7/jpa/entitygraph/MovieActor.java‎

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package org.javaee7.jpa.entitygraph;
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import javax.persistence.*;
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import javax.validation.constraints.NotNull;
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import javax.validation.constraints.Size;
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import java.io.Serializable;
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import java.util.Set;
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/**
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* @author Arun Gupta
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*/
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@Entity
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@Table(name = "MOVIE_ACTORS_ENTITY_GRAPH")
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public class MovieActor implements Serializable {
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@Id
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private Integer id;
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@NotNull
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@Size(max = 50)
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private String actor;
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@OneToMany
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@JoinColumn(name = "ID")
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private Set<MovieActorAward> movieActorAwards;
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@Override
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public boolean equals(Object o) {
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if (this == o) { return true; }
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if (o == null || getClass() != o.getClass()) { return false; }
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MovieActor that = (MovieActor) o;
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return id.equals(that.id);
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}
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@Override
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public int hashCode() {
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return id.hashCode();
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}
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}

‎jpa/entitygraph/src/main/java/org/javaee7/jpa/entitygraph/MovieActorAward.java‎

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package org.javaee7.jpa.entitygraph;
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import javax.persistence.Entity;
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import javax.persistence.Id;
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import javax.persistence.Table;
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import javax.validation.constraints.NotNull;
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import javax.validation.constraints.Size;
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/**
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* @author Roberto Cortez
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*/
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@Entity
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@Table(name = "MOVIE_ACTOR_AWARDS_ENTITY_GRAPH")
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public class MovieActorAward {
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@Id
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private Integer id;
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@NotNull
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@Size(min = 1, max = 50)
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private String award;
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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MovieActorAward that = (MovieActorAward) o;
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return id.equals(that.id);
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}
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@Override
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public int hashCode() {
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return id.hashCode();
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}
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}

‎jpa/entitygraph/src/main/java/org/javaee7/jpa/entitygraph/MovieActors.java‎

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This file was deleted.

‎jpa/entitygraph/src/main/java/org/javaee7/jpa/entitygraph/MovieAward.java‎

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package org.javaee7.jpa.entitygraph;
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import javax.persistence.Entity;
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import javax.persistence.Id;
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import javax.persistence.Table;
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import javax.validation.constraints.NotNull;
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import javax.validation.constraints.Size;
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import java.io.Serializable;
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/**
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* @author Roberto Cortez
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*/
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@Entity
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@Table(name = "MOVIE_AWARDS_ENTITY_GRAPH")
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public class MovieAward implements Serializable {
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@Id
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private Integer id;
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@NotNull
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@Size(min = 1, max = 50)
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private String award;
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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MovieAward that = (MovieAward) o;
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return id.equals(that.id);
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}
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@Override
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public int hashCode() {
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return id.hashCode();
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}
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}

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