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refactoring: Remove deprecated method to ease Hibernate upgrade later on (#2039)

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This commit is contained in:
kongleong86
2022-10-05 19:24:23 +01:00
committed by GitHub
parent 4c1f5cf7fe
commit 4ed839bef8
1 changed files with 18 additions and 17 deletions
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cqrs/src/main/java/com/iluwatar/cqrs/queries/QueryServiceImpl.java
+18 -17
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@@ -31,7 +31,7 @@ import com.iluwatar.cqrs.util.HibernateUtil;
import java.math.BigInteger;
import java.util.List;
import org.hibernate.SessionFactory;
import org.hibernate.transform.Transformers;
import org.hibernate.query.Query;
/**
* This class is an implementation of {@link IQueryService}. It uses Hibernate native queries to
@@ -45,12 +45,11 @@ public class QueryServiceImpl implements IQueryService {
public Author getAuthorByUsername(String username) {
Author authorDTo;
try (var session = sessionFactory.openSession()) {
var sqlQuery = session.createSQLQuery("SELECT a.username as \"username\","
+ " a.name as \"name\", a.email as \"email\""
+ "FROM Author a where a.username=:username");
Query<Author> sqlQuery = session.createQuery(
"select new com.iluwatar.cqrs.dto.Author(a.name, a.email, a.username)"
+ " from com.iluwatar.cqrs.domain.model.Author a where a.username=:username");
sqlQuery.setParameter(AppConstants.USER_NAME, username);
authorDTo = (Author) sqlQuery.setResultTransformer(Transformers.aliasToBean(Author.class))
.uniqueResult();
authorDTo = sqlQuery.uniqueResult();
}
return authorDTo;
}
@@ -59,11 +58,11 @@ public class QueryServiceImpl implements IQueryService {
public Book getBook(String title) {
Book bookDTo;
try (var session = sessionFactory.openSession()) {
var sqlQuery = session.createSQLQuery("SELECT b.title as \"title\","
+ " b.price as \"price\"" + " FROM Book b where b.title=:title");
Query<Book> sqlQuery = session.createQuery(
"select new com.iluwatar.cqrs.dto.Book(b.title, b.price)"
+ " from com.iluwatar.cqrs.domain.model.Book b where b.title=:title");
sqlQuery.setParameter("title", title);
bookDTo =
(Book) sqlQuery.setResultTransformer(Transformers.aliasToBean(Book.class)).uniqueResult();
bookDTo = sqlQuery.uniqueResult();
}
return bookDTo;
}
@@ -72,10 +71,12 @@ public class QueryServiceImpl implements IQueryService {
public List<Book> getAuthorBooks(String username) {
List<Book> bookDTos;
try (var session = sessionFactory.openSession()) {
var sqlQuery = session.createSQLQuery("SELECT b.title as \"title\", b.price as \"price\""
+ " FROM Author a , Book b where b.author_id = a.id and a.username=:username");
Query<Book> sqlQuery = session.createQuery(
"select new com.iluwatar.cqrs.dto.Book(b.title, b.price)"
+ " from com.iluwatar.cqrs.domain.model.Author a, com.iluwatar.cqrs.domain.model.Book b "
+ "where b.author.id = a.id and a.username=:username");
sqlQuery.setParameter(AppConstants.USER_NAME, username);
bookDTos = sqlQuery.setResultTransformer(Transformers.aliasToBean(Book.class)).list();
bookDTos = sqlQuery.list();
}
return bookDTos;
}
@@ -84,9 +85,9 @@ public class QueryServiceImpl implements IQueryService {
public BigInteger getAuthorBooksCount(String username) {
BigInteger bookcount;
try (var session = sessionFactory.openSession()) {
var sqlQuery = session.createSQLQuery(
"SELECT count(b.title)" + " FROM Book b, Author a"
+ " where b.author_id = a.id and a.username=:username");
var sqlQuery = session.createNativeQuery(
"SELECT count(b.title)" + " FROM Book b, Author a"
+ " where b.author_id = a.id and a.username=:username");
sqlQuery.setParameter(AppConstants.USER_NAME, username);
bookcount = (BigInteger) sqlQuery.uniqueResult();
}
@@ -97,7 +98,7 @@ public class QueryServiceImpl implements IQueryService {
public BigInteger getAuthorsCount() {
BigInteger authorcount;
try (var session = sessionFactory.openSession()) {
var sqlQuery = session.createSQLQuery("SELECT count(id) from Author");
var sqlQuery = session.createNativeQuery("SELECT count(id) from Author");
authorcount = (BigInteger) sqlQuery.uniqueResult();
}
return authorcount;