group persistence modules (#2890)
* move security content from spring-security-rest-full * swagger update * move query language to new module * rename spring-security-rest-full to spring-rest-full * group persistence modules
This commit is contained in:
Doha2012
committed by
Grzegorz Piwowarek
Grzegorz Piwowarek
parent
dbeb5f8ba4
commit
26c50909be
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package org.baeldung.dao;
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import java.util.List;
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import java.util.Map;
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import org.baeldung.entity.Person;
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public interface PersonDao {
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public Person save(Person person);
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public List<Person> findPersonsByFirstnameQueryDSL(String firstname);
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public List<Person> findPersonsByFirstnameAndSurnameQueryDSL(String firstname, String surname);
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public List<Person> findPersonsByFirstnameInDescendingOrderQueryDSL(String firstname);
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public int findMaxAge();
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public Map<String, Integer> findMaxAgeByName();
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}
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@@ -0,0 +1,68 @@
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package org.baeldung.dao;
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import java.util.List;
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import java.util.Map;
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import javax.persistence.EntityManager;
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import javax.persistence.PersistenceContext;
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import org.baeldung.entity.Person;
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import org.baeldung.entity.QPerson;
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import org.springframework.stereotype.Repository;
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import com.querydsl.core.group.GroupBy;
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import com.querydsl.jpa.impl.JPAQuery;
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@Repository
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public class PersonDaoImpl implements PersonDao {
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@PersistenceContext
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private EntityManager em;
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@Override
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public Person save(final Person person) {
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em.persist(person);
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return person;
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}
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@Override
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public List<Person> findPersonsByFirstnameQueryDSL(final String firstname) {
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final JPAQuery<Person> query = new JPAQuery<>(em);
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final QPerson person = QPerson.person;
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return query.from(person).where(person.firstname.eq(firstname)).fetch();
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}
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@Override
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public List<Person> findPersonsByFirstnameAndSurnameQueryDSL(final String firstname, final String surname) {
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final JPAQuery<Person> query = new JPAQuery<>(em);
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final QPerson person = QPerson.person;
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return query.from(person).where(person.firstname.eq(firstname).and(person.surname.eq(surname))).fetch();
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}
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@Override
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public List<Person> findPersonsByFirstnameInDescendingOrderQueryDSL(final String firstname) {
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final JPAQuery<Person> query = new JPAQuery<>(em);
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final QPerson person = QPerson.person;
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return query.from(person).where(person.firstname.eq(firstname)).orderBy(person.surname.desc()).fetch();
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}
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@Override
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public int findMaxAge() {
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final JPAQuery<Person> query = new JPAQuery<>(em);
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final QPerson person = QPerson.person;
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return query.from(person).select(person.age.max()).fetchFirst();
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}
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@Override
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public Map<String, Integer> findMaxAgeByName() {
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final JPAQuery<Person> query = new JPAQuery<>(em);
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final QPerson person = QPerson.person;
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return query.from(person).transform(GroupBy.groupBy(person.firstname).as(GroupBy.max(person.age)));
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}
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}
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@@ -0,0 +1,69 @@
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package org.baeldung.entity;
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import javax.persistence.Column;
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import javax.persistence.Entity;
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import javax.persistence.GeneratedValue;
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import javax.persistence.GenerationType;
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import javax.persistence.Id;
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@Entity
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public class Person {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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private Long id;
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@Column
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private String firstname;
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@Column
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private String surname;
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@Column
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private int age;
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Person() {
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}
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public Person(final String firstname, final String surname) {
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this.firstname = firstname;
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this.surname = surname;
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}
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public Person(final String firstname, final String surname, final int age) {
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this(firstname, surname);
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this.age = age;
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}
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public Long getId() {
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return id;
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}
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public void setId(final Long id) {
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this.id = id;
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}
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public String getFirstname() {
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return firstname;
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}
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public void setFirstname(final String firstname) {
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this.firstname = firstname;
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}
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public String getSurname() {
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return surname;
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}
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public void setSurname(final String surname) {
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this.surname = surname;
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}
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public int getAge() {
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return age;
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}
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public void setAge(final int age) {
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this.age = age;
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}
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}
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+56
@@ -0,0 +1,56 @@
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/*
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* (c) Центр ИТ, 2016. Все права защищены.
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*/
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package org.baeldung.querydsl.intro.entities;
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import javax.persistence.Entity;
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import javax.persistence.GeneratedValue;
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import javax.persistence.Id;
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import javax.persistence.ManyToOne;
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@Entity
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public class BlogPost {
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@Id
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@GeneratedValue
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private Long id;
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private String title;
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private String body;
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@ManyToOne
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private User user;
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public String getTitle() {
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return title;
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}
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public void setTitle(String code) {
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this.title = code;
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}
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public String getBody() {
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return body;
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}
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public void setBody(String body) {
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this.body = body;
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}
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public User getUser() {
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return user;
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}
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public void setUser(User user) {
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this.user = user;
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}
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}
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+55
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/*
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* (c) Центр ИТ, 2016. Все права защищены.
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*/
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package org.baeldung.querydsl.intro.entities;
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import java.util.HashSet;
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import java.util.Set;
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import javax.persistence.*;
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@Entity
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public class User {
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@Id
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@GeneratedValue
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private Long id;
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private String login;
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private Boolean disabled;
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@OneToMany(cascade = CascadeType.PERSIST, mappedBy = "user")
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private Set<BlogPost> blogPosts = new HashSet<>(0);
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public String getLogin() {
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return login;
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}
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public void setLogin(String name) {
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this.login = name;
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}
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public Set<BlogPost> getBlogPosts() {
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return blogPosts;
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}
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public void setBlogPosts(Set<BlogPost> blogPosts) {
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this.blogPosts = blogPosts;
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}
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public Boolean getDisabled() {
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return disabled;
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}
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public void setDisabled(Boolean disabled) {
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this.disabled = disabled;
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}
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}
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@@ -0,0 +1,32 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<persistence xmlns="http://java.sun.com/xml/ns/persistence"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
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http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"
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version="2.0">
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<!-- PersistenceUnit for datastore -->
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<persistence-unit name="default" transaction-type="RESOURCE_LOCAL">
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<properties>
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<property name="hibernate.hbm2ddl.auto" value="update" />
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<property name="hibernate.show_sql" value="true" />
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<property name="hibernate.transaction.flush_before_completion"
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value="true" />
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<property name="hibernate.cache.provider_class" value="org.hibernate.cache.HashtableCacheProvider" />
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</properties>
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</persistence-unit>
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<!-- PersistenceUnit for Intro to QueryDSL -->
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<persistence-unit name="org.baeldung.querydsl.intro">
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<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
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<properties>
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<property name="hibernate.connection.driver_class" value="org.hsqldb.jdbcDriver"/>
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<property name="hibernate.connection.url" value="jdbc:hsqldb:mem:test"/>
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<property name="hibernate.connection.username" value="sa"/>
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<property name="hibernate.connection.password" value=""/>
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<property name="hibernate.hbm2ddl.auto" value="update"/>
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<property name="hibernate.dialect" value="org.hibernate.dialect.HSQLDialect" />
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</properties>
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</persistence-unit>
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</persistence>
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<?xml version="1.0" encoding="UTF-8"?>
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<configuration>
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<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
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<encoder>
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<pattern>web - %date [%thread] %-5level %logger{36} - %message%n
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</pattern>
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</encoder>
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</appender>
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<logger name="org.springframework" level="WARN" />
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<logger name="org.springframework.transaction" level="WARN" />
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<!-- in order to debug some marshalling issues, this needs to be TRACE -->
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<logger name="org.springframework.web.servlet.mvc" level="WARN" />
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<root level="INFO">
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<appender-ref ref="STDOUT" />
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</root>
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</configuration>
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+81
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package org.baeldung.dao;
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import java.util.Map;
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import org.baeldung.entity.Person;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.test.context.ContextConfiguration;
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import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
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import org.springframework.test.context.transaction.TransactionConfiguration;
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import org.springframework.transaction.annotation.Transactional;
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import junit.framework.Assert;
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@ContextConfiguration("/test-context.xml")
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@RunWith(SpringJUnit4ClassRunner.class)
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@Transactional
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@TransactionConfiguration(defaultRollback = true)
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public class PersonDaoIntegrationTest {
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@Autowired
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private PersonDao personDao;
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//
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@Test
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public void testCreation() {
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personDao.save(new Person("Erich", "Gamma"));
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final Person person = new Person("Kent", "Beck");
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personDao.save(person);
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personDao.save(new Person("Ralph", "Johnson"));
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final Person personFromDb = personDao.findPersonsByFirstnameQueryDSL("Kent").get(0);
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Assert.assertEquals(person.getId(), personFromDb.getId());
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}
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@Test
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public void testMultipleFilter() {
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personDao.save(new Person("Erich", "Gamma"));
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final Person person = personDao.save(new Person("Ralph", "Beck"));
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final Person person2 = personDao.save(new Person("Ralph", "Johnson"));
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final Person personFromDb = personDao.findPersonsByFirstnameAndSurnameQueryDSL("Ralph", "Johnson").get(0);
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Assert.assertNotSame(person.getId(), personFromDb.getId());
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Assert.assertEquals(person2.getId(), personFromDb.getId());
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}
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@Test
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public void testOrdering() {
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final Person person = personDao.save(new Person("Kent", "Gamma"));
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personDao.save(new Person("Ralph", "Johnson"));
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final Person person2 = personDao.save(new Person("Kent", "Zivago"));
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final Person personFromDb = personDao.findPersonsByFirstnameInDescendingOrderQueryDSL("Kent").get(0);
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Assert.assertNotSame(person.getId(), personFromDb.getId());
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Assert.assertEquals(person2.getId(), personFromDb.getId());
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}
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@Test
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public void testMaxAge() {
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personDao.save(new Person("Kent", "Gamma", 20));
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personDao.save(new Person("Ralph", "Johnson", 35));
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personDao.save(new Person("Kent", "Zivago", 30));
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final int maxAge = personDao.findMaxAge();
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Assert.assertTrue(maxAge == 35);
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}
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@Test
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public void testMaxAgeByName() {
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personDao.save(new Person("Kent", "Gamma", 20));
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personDao.save(new Person("Ralph", "Johnson", 35));
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personDao.save(new Person("Kent", "Zivago", 30));
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final Map<String, Integer> maxAge = personDao.findMaxAgeByName();
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Assert.assertTrue(maxAge.size() == 2);
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Assert.assertSame(35, maxAge.get("Ralph"));
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Assert.assertSame(30, maxAge.get("Kent"));
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}
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}
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+215
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/*
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* (c) Центр ИТ, 2016. Все права защищены.
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*/
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package org.baeldung.querydsl.intro;
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import com.querydsl.core.Tuple;
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import com.querydsl.core.types.dsl.Expressions;
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import com.querydsl.core.types.dsl.NumberPath;
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import com.querydsl.jpa.JPAExpressions;
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import com.querydsl.jpa.impl.JPAQueryFactory;
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import org.baeldung.querydsl.intro.entities.BlogPost;
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import org.baeldung.querydsl.intro.entities.QBlogPost;
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import org.baeldung.querydsl.intro.entities.QUser;
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import org.baeldung.querydsl.intro.entities.User;
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import org.junit.*;
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import javax.persistence.EntityManager;
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import javax.persistence.EntityManagerFactory;
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import javax.persistence.Persistence;
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import java.util.List;
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import static org.junit.Assert.*;
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public class QueryDSLIntegrationTest {
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private static EntityManagerFactory emf;
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private EntityManager em;
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private JPAQueryFactory queryFactory;
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@BeforeClass
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public static void populateDatabase() {
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emf = Persistence.createEntityManagerFactory("org.baeldung.querydsl.intro");
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EntityManager em = emf.createEntityManager();
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em.getTransaction().begin();
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User user1 = new User();
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user1.setLogin("David");
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em.persist(user1);
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User user2 = new User();
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user2.setLogin("Ash");
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em.persist(user2);
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User user3 = new User();
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user3.setLogin("Call");
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em.persist(user3);
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User user4 = new User();
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user4.setLogin("Bishop");
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em.persist(user4);
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BlogPost blogPost1 = new BlogPost();
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blogPost1.setTitle("Hello World!");
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blogPost1.setUser(user1);
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em.persist(blogPost1);
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BlogPost blogPost2 = new BlogPost();
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blogPost2.setTitle("My Second Post");
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blogPost2.setUser(user1);
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em.persist(blogPost2);
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BlogPost blogPost3 = new BlogPost();
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blogPost3.setTitle("Hello World!");
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blogPost3.setUser(user3);
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em.persist(blogPost3);
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em.getTransaction().commit();
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em.close();
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}
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@Before
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public void setUp() {
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em = emf.createEntityManager();
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em.getTransaction().begin();
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queryFactory = new JPAQueryFactory(em);
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}
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@Test
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public void whenFindByLogin_thenShouldReturnUser() {
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QUser user = QUser.user;
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User aUser = queryFactory.selectFrom(user)
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.where(user.login.eq("David"))
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.fetchOne();
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assertNotNull(aUser);
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assertEquals(aUser.getLogin(), "David");
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}
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@Test
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public void whenUsingOrderBy_thenResultsShouldBeOrdered() {
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QUser user = QUser.user;
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List<User> users = queryFactory.selectFrom(user)
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.orderBy(user.login.asc())
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.fetch();
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assertEquals(users.size(), 4);
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assertEquals(users.get(0).getLogin(), "Ash");
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assertEquals(users.get(1).getLogin(), "Bishop");
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assertEquals(users.get(2).getLogin(), "Call");
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assertEquals(users.get(3).getLogin(), "David");
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}
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||||
|
||||
@Test
|
||||
public void whenGroupingByTitle_thenReturnsTuples() {
|
||||
|
||||
QBlogPost blogPost = QBlogPost.blogPost;
|
||||
|
||||
NumberPath<Long> count = Expressions.numberPath(Long.class, "c");
|
||||
|
||||
List<Tuple> userTitleCounts = queryFactory.select(blogPost.title, blogPost.id.count().as(count))
|
||||
.from(blogPost)
|
||||
.groupBy(blogPost.title)
|
||||
.orderBy(count.desc())
|
||||
.fetch();
|
||||
|
||||
assertEquals("Hello World!", userTitleCounts.get(0).get(blogPost.title));
|
||||
assertEquals(new Long(2), userTitleCounts.get(0).get(count));
|
||||
|
||||
assertEquals("My Second Post", userTitleCounts.get(1).get(blogPost.title));
|
||||
assertEquals(new Long(1), userTitleCounts.get(1).get(count));
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenJoiningWithCondition_thenResultCountShouldMatch() {
|
||||
|
||||
QUser user = QUser.user;
|
||||
QBlogPost blogPost = QBlogPost.blogPost;
|
||||
|
||||
List<User> users = queryFactory.selectFrom(user)
|
||||
.innerJoin(user.blogPosts, blogPost)
|
||||
.on(blogPost.title.eq("Hello World!"))
|
||||
.fetch();
|
||||
|
||||
assertEquals(2, users.size());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenRefiningWithSubquery_thenResultCountShouldMatch() {
|
||||
|
||||
QUser user = QUser.user;
|
||||
QBlogPost blogPost = QBlogPost.blogPost;
|
||||
|
||||
List<User> users = queryFactory.selectFrom(user)
|
||||
.where(user.id.in(
|
||||
JPAExpressions.select(blogPost.user.id)
|
||||
.from(blogPost)
|
||||
.where(blogPost.title.eq("Hello World!"))))
|
||||
.fetch();
|
||||
|
||||
assertEquals(2, users.size());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenUpdating_thenTheRecordShouldChange() {
|
||||
|
||||
QUser user = QUser.user;
|
||||
|
||||
queryFactory.update(user)
|
||||
.where(user.login.eq("Ash"))
|
||||
.set(user.login, "Ash2")
|
||||
.set(user.disabled, true)
|
||||
.execute();
|
||||
|
||||
em.getTransaction().commit();
|
||||
|
||||
em.getTransaction().begin();
|
||||
|
||||
assertEquals(Boolean.TRUE,
|
||||
queryFactory.select(user.disabled)
|
||||
.from(user)
|
||||
.where(user.login.eq("Ash2"))
|
||||
.fetchOne());
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenDeleting_thenTheRecordShouldBeAbsent() {
|
||||
|
||||
QUser user = QUser.user;
|
||||
|
||||
queryFactory.delete(user)
|
||||
.where(user.login.eq("Bishop"))
|
||||
.execute();
|
||||
|
||||
em.getTransaction().commit();
|
||||
|
||||
em.getTransaction().begin();
|
||||
|
||||
assertNull(queryFactory.selectFrom(user)
|
||||
.where(user.login.eq("Bishop"))
|
||||
.fetchOne());
|
||||
|
||||
}
|
||||
|
||||
@After
|
||||
public void tearDown() {
|
||||
em.getTransaction().commit();
|
||||
em.close();
|
||||
}
|
||||
|
||||
@AfterClass
|
||||
public static void afterClass() {
|
||||
emf.close();
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,6 @@
|
||||
#In memory db
|
||||
db.username=sa
|
||||
db.password=
|
||||
db.driver=org.hsqldb.jdbcDriver
|
||||
db.url=jdbc:hsqldb:mem:app-db
|
||||
db.dialect=org.hibernate.dialect.HSQLDialect
|
||||
@@ -0,0 +1,20 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<beans xmlns="http://www.springframework.org/schema/beans"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
|
||||
xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
|
||||
xmlns:sec="http://www.springframework.org/schema/security"
|
||||
xmlns:aop="http://www.springframework.org/schema/aop"
|
||||
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
|
||||
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
|
||||
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
|
||||
http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-3.0.xsd
|
||||
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
|
||||
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"
|
||||
>
|
||||
|
||||
<tx:annotation-driven />
|
||||
<context:component-scan base-package="org.baeldung" />
|
||||
|
||||
<import resource="test-db.xml" />
|
||||
|
||||
</beans>
|
||||
@@ -0,0 +1,49 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<beans xmlns="http://www.springframework.org/schema/beans"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xmlns:mvc="http://www.springframework.org/schema/mvc"
|
||||
xmlns:context="http://www.springframework.org/schema/context"
|
||||
xmlns:tx="http://www.springframework.org/schema/tx"
|
||||
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
|
||||
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
|
||||
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
|
||||
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd" default-autowire="byName">
|
||||
|
||||
<bean id="placeholderConfig"
|
||||
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
|
||||
<property name="locations">
|
||||
<list>
|
||||
<value>classpath:db.properties</value>
|
||||
</list>
|
||||
</property>
|
||||
</bean>
|
||||
|
||||
<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean" name="EntityManagerFactory">
|
||||
<property name="persistenceUnitName" value="default"></property>
|
||||
<property name="dataSource" ref="dataSource"></property>
|
||||
<property name="jpaVendorAdapter">
|
||||
<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
|
||||
<property name="showSql" value="true" />
|
||||
<property name="generateDdl" value="true" />
|
||||
<property name="databasePlatform" value="${db.dialect}" />
|
||||
</bean>
|
||||
</property>
|
||||
</bean>
|
||||
|
||||
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
|
||||
destroy-method="close">
|
||||
<property name="driverClassName" value="${db.driver}" />
|
||||
<property name="url" value="${db.url}" />
|
||||
<property name="username" value="${db.username}" />
|
||||
<property name="password" value="${db.password}" />
|
||||
</bean>
|
||||
|
||||
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager" name="TransactionManager">
|
||||
<property name="entityManagerFactory" ref="entityManagerFactory"></property>
|
||||
</bean>
|
||||
|
||||
<tx:annotation-driven />
|
||||
|
||||
<bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor" />
|
||||
|
||||
</beans>
|
||||
Reference in New Issue
Block a user