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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.jaxrs.ext.search.jpa;
import java.sql.Connection;
import java.sql.DriverManager;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import javax.persistence.Tuple;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.metamodel.SingularAttribute;
import org.apache.cxf.jaxrs.ext.search.SearchCondition;
import org.apache.cxf.jaxrs.ext.search.SearchConditionParser;
import org.apache.cxf.jaxrs.ext.search.SearchConditionVisitor;
import org.apache.cxf.jaxrs.ext.search.SearchUtils;
import org.apache.cxf.jaxrs.ext.search.jpa.BookReview.Review;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
public abstract class AbstractJPATypedQueryVisitorTest extends Assert {
private EntityManagerFactory emFactory;
private EntityManager em;
private Connection connection;
protected abstract SearchConditionParser<Book> getParser();
protected abstract SearchConditionParser<Book> getParser(Map<String, String> visitorProps,
Map<String, String> parserBinProps);
@Before
public void setUp() throws Exception {
try {
Class.forName("org.hsqldb.jdbcDriver");
connection = DriverManager.getConnection("jdbc:hsqldb:mem:books-jpa", "sa", "");
} catch (Exception ex) {
ex.printStackTrace();
fail("Exception during HSQL database init.");
}
try {
emFactory = Persistence.createEntityManagerFactory("testUnitHibernate");
em = emFactory.createEntityManager();
em.getTransaction().begin();
Library lib = new Library();
lib.setId(1);
lib.setAddress("town");
em.persist(lib);
assertTrue(em.contains(lib));
BookReview br1 = new BookReview();
br1.setId(1);
br1.setReview(Review.BAD);
br1.getAuthors().add("Ted");
em.persist(br1);
Book b1 = new Book();
br1.setBook(b1);
b1.getReviews().add(br1);
b1.setId(9);
b1.setBookTitle("num9");
b1.setAddress(new OwnerAddress("Street1"));
OwnerInfo info1 = new OwnerInfo();
info1.setName(new Name("Fred"));
info1.setDateOfBirth(parseDate("2000-01-01"));
b1.setOwnerInfo(info1);
b1.setLibrary(lib);
b1.getAuthors().add("John");
em.persist(b1);
BookReview br2 = new BookReview();
br2.setId(2);
br2.setReview(Review.GOOD);
br2.getAuthors().add("Ted");
em.persist(br2);
Book b2 = new Book();
b2.getReviews().add(br2);
br2.setBook(b2);
b2.setId(10);
b2.setBookTitle("num10");
b2.setAddress(new OwnerAddress("Street2"));
OwnerInfo info2 = new OwnerInfo();
info2.setName(new Name("Barry"));
info2.setDateOfBirth(parseDate("2001-01-01"));
b2.setOwnerInfo(info2);
b2.setLibrary(lib);
b2.getAuthors().add("John");
em.persist(b2);
BookReview br3 = new BookReview();
br3.setId(3);
br3.setReview(Review.GOOD);
br3.getAuthors().add("Ted");
em.persist(br3);
Book b3 = new Book();
b3.getReviews().add(br3);
br3.setBook(b3);
b3.setId(11);
b3.setBookTitle("num11");
b3.setAddress(new OwnerAddress("Street&'3"));
b3.getAuthors().add("Barry");
OwnerInfo info3 = new OwnerInfo();
info3.setName(new Name("Bill"));
info3.setDateOfBirth(parseDate("2002-01-01"));
b3.setOwnerInfo(info3);
b3.setLibrary(lib);
em.persist(b3);
lib.getBooks().add(b1);
lib.getBooks().add(b2);
lib.getBooks().add(b3);
em.getTransaction().commit();
} catch (Exception ex) {
ex.printStackTrace();
fail("Exception during JPA EntityManager creation.");
}
}
@After
public void tearDown() throws Exception {
try {
if (em != null) {
em.close();
}
if (emFactory != null) {
emFactory.close();
}
} catch (Throwable ex) {
ex.printStackTrace();
} finally {
try {
connection.createStatement().execute("SHUTDOWN");
} catch (Throwable ex) {
ex.printStackTrace();
}
}
}
protected List<Book> queryBooks(String expression) throws Exception {
return queryBooks(expression, null, null, null);
}
protected List<Book> queryBooks(String expression,
Map<String, String> visitorProps) throws Exception {
return queryBooks(expression, visitorProps, null, null);
}
protected List<Book> queryBooks(String expression,
Map<String, String> visitorProps,
Map<String, String> parserBinProps) throws Exception {
return queryBooks(expression, visitorProps, parserBinProps, null);
}
protected List<Book> queryBooks(String expression,
Map<String, String> visitorProps,
Map<String, String> parserBinProps,
List<String> joinProps) throws Exception {
SearchCondition<Book> filter = getParser(visitorProps, parserBinProps)
.parse(expression);
SearchConditionVisitor<Book, TypedQuery<Book>> jpa =
new JPATypedQueryVisitor<Book>(em, Book.class, visitorProps, joinProps);
filter.accept(jpa);
TypedQuery<Book> query = jpa.getQuery();
return query.getResultList();
}
protected List<Tuple> criteriaQueryBooksTuple(String expression) throws Exception {
SearchCondition<Book> filter = getParser().parse(expression);
JPACriteriaQueryVisitor<Book, Tuple> jpa =
new JPACriteriaQueryVisitor<Book, Tuple>(em, Book.class, Tuple.class);
filter.accept(jpa);
List<SingularAttribute<Book, ?>> selections =
new ArrayList<SingularAttribute<Book, ?>>();
selections.add(Book_.id);
jpa.selectTuple(selections);
CriteriaQuery<Tuple> cquery = jpa.getQuery();
return em.createQuery(cquery).getResultList();
}
protected long criteriaQueryBooksCount(String expression) throws Exception {
SearchCondition<Book> filter = getParser().parse(expression);
JPACriteriaQueryVisitor<Book, Long> jpa =
new JPACriteriaQueryVisitor<Book, Long>(em, Book.class, Long.class);
filter.accept(jpa);
return jpa.count();
}
protected List<Book> criteriaQueryBooksOrderBy(String expression, boolean asc) throws Exception {
SearchCondition<Book> filter = getParser().parse(expression);
JPACriteriaQueryVisitor<Book, Book> jpa =
new JPACriteriaQueryVisitor<Book, Book>(em, Book.class, Book.class);
filter.accept(jpa);
List<SingularAttribute<Book, ?>> selections =
new ArrayList<SingularAttribute<Book, ?>>();
selections.add(Book_.id);
return jpa.getOrderedTypedQuery(selections, asc).getResultList();
}
protected List<BookInfo> criteriaQueryBooksConstruct(String expression) throws Exception {
SearchCondition<Book> filter = getParser().parse(expression);
JPACriteriaQueryVisitor<Book, BookInfo> jpa =
new JPACriteriaQueryVisitor<Book, BookInfo>(em, Book.class, BookInfo.class);
filter.accept(jpa);
List<SingularAttribute<Book, ?>> selections =
new ArrayList<SingularAttribute<Book, ?>>();
selections.add(Book_.id);
selections.add(Book_.bookTitle);
jpa.selectConstruct(selections);
CriteriaQuery<BookInfo> cquery = jpa.getQuery();
return em.createQuery(cquery).getResultList();
}
protected List<Object[]> criteriaQueryBooksArray(String expression) throws Exception {
SearchCondition<Book> filter = getParser().parse(expression);
JPACriteriaQueryVisitor<Book, Object[]> jpa =
new JPACriteriaQueryVisitor<Book, Object[]>(em, Book.class, Object[].class);
filter.accept(jpa);
List<SingularAttribute<Book, ?>> selections =
new ArrayList<SingularAttribute<Book, ?>>();
selections.add(Book_.id);
selections.add(Book_.bookTitle);
return jpa.getArrayTypedQuery(selections).getResultList();
}
protected Date parseDate(String value) throws Exception {
return new SimpleDateFormat(SearchUtils.DEFAULT_DATE_FORMAT).parse(value);
}
public static class BookInfo {
private int id;
private String title;
public BookInfo() {
}
public BookInfo(Integer id, String title) {
this.id = id;
this.title = title;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
}
}