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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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
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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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@@ -0,0 +1,19 @@
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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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