BAEL-1157: Apache Cayenne - Advanced Querying
This commit is contained in:
Dassi Orleando
parent
395509b76f
commit
5672ec1f2d
@ -0,0 +1,255 @@
|
||||
package com.baeldung.apachecayenne;
|
||||
|
||||
import com.baeldung.apachecayenne.persistent.Article;
|
||||
import com.baeldung.apachecayenne.persistent.Author;
|
||||
import org.apache.cayenne.ObjectContext;
|
||||
import org.apache.cayenne.configuration.server.ServerRuntime;
|
||||
import org.apache.cayenne.query.ObjectSelect;
|
||||
import org.apache.cayenne.query.SQLTemplate;
|
||||
import org.apache.cayenne.query.SelectQuery;
|
||||
import org.junit.After;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.junit.runners.JUnit4;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import static junit.framework.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertNull;
|
||||
|
||||
public class CayenneAdvancedOperationTests {
|
||||
private static ObjectContext context = null;
|
||||
|
||||
@BeforeClass
|
||||
public static void setupTheCayenneContext() {
|
||||
ServerRuntime cayenneRuntime = ServerRuntime.builder()
|
||||
.addConfig("cayenne-project.xml")
|
||||
.build();
|
||||
context = cayenneRuntime.newContext();
|
||||
}
|
||||
|
||||
@Before
|
||||
public void saveThreeAuthors() {
|
||||
Author authorOne = context.newObject(Author.class);
|
||||
authorOne.setName("Paul Xavier");
|
||||
Author authorTwo = context.newObject(Author.class);
|
||||
authorTwo.setName("pAuL Smith");
|
||||
Author authorThree = context.newObject(Author.class);
|
||||
authorThree.setName("Vicky Sarra");
|
||||
context.commitChanges();
|
||||
}
|
||||
|
||||
@After
|
||||
public void deleteAllAuthors() {
|
||||
SQLTemplate deleteAuthors = new SQLTemplate(Author.class, "delete from author");
|
||||
context.performGenericQuery(deleteAuthors);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAuthors_whenFindAllSQLTmplt_thenWeGetThreeAuthors() {
|
||||
SQLTemplate select = new SQLTemplate(Author.class, "select * from Author");
|
||||
List<Author> authors = context.performQuery(select);
|
||||
|
||||
assertEquals(authors.size(), 3);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAuthors_whenFindByNameSQLTmplt_thenWeGetOneAuthor() {
|
||||
SQLTemplate select = new SQLTemplate(Author.class, "select * from Author where name = 'Vicky Sarra'");
|
||||
List<Author> authors = context.performQuery(select);
|
||||
Author author = authors.get(0);
|
||||
|
||||
assertEquals(authors.size(), 1);
|
||||
assertEquals(author.getName(), "Vicky Sarra");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAuthors_whenLikeSltQry_thenWeGetOneAuthor() {
|
||||
Expression qualifier = ExpressionFactory.likeExp(Author.NAME.getName(), "Paul%");
|
||||
SelectQuery query = new SelectQuery(Author.class, qualifier);
|
||||
List<Author> authorsTwo = context.performQuery(query);
|
||||
|
||||
assertEquals(authorsTwo.size(), 1);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAuthors_whenCtnsIgnorCaseSltQry_thenWeGetTwoAuthors() {
|
||||
Expression qualifier = ExpressionFactory.containsIgnoreCaseExp(Author.NAME.getName(), "Paul");
|
||||
SelectQuery query = new SelectQuery(Author.class, qualifier);
|
||||
List<Author> authors = context.performQuery(query);
|
||||
|
||||
assertEquals(authors.size(), 2);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAuthors_whenCtnsIgnorCaseEndsWSltQry_thenWeGetTwoAuthors() {
|
||||
Expression qualifier = ExpressionFactory.containsIgnoreCaseExp(Author.NAME.getName(), "Paul")
|
||||
.andExp(ExpressionFactory.endsWithExp(Author.NAME.getName(), "h"));
|
||||
SelectQuery query = new SelectQuery(Author.class, qualifier);
|
||||
List<Author> authors = context.performQuery(query);
|
||||
|
||||
Author author = authors.get(0);
|
||||
|
||||
assertEquals(authors.size(), 1);
|
||||
assertEquals(author.getName(), "pAuL Smith");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAuthors_whenAscOrderingSltQry_thenWeGetOrderedAuthors() {
|
||||
SelectQuery query = new SelectQuery(Author.class);
|
||||
query.addOrdering(Author.NAME.asc());
|
||||
|
||||
List<Author> authors = query.select(context);
|
||||
Author firstAuthor = authors.get(0);
|
||||
|
||||
assertEquals(authors.size(), 3);
|
||||
assertEquals(firstAuthor.getName(), "Paul Xavier");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAuthors_whenDescOrderingSltQry_thenWeGetOrderedAuthors() {
|
||||
SelectQuery query = new SelectQuery(Author.class);
|
||||
query.addOrdering(Author.NAME.desc());
|
||||
|
||||
List<Author> authors = query.select(context);
|
||||
Author firstAuthor = authors.get(0);
|
||||
|
||||
assertEquals(authors.size(), 3);
|
||||
assertEquals(firstAuthor.getName(), "pAuL Smith");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAuthors_onContainsObjS_thenWeGetOneRecord() {
|
||||
List<Author> authors = ObjectSelect.query(Author.class)
|
||||
.where(Author.NAME.contains("Paul"))
|
||||
.select(context);
|
||||
|
||||
assertEquals(authors.size(), 1);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAuthors_whenLikeObjS_thenWeGetTwoAuthors() {
|
||||
List<Author> authors = ObjectSelect.query(Author.class)
|
||||
.where(Author.NAME.likeIgnoreCase("Paul%"))
|
||||
.select(context);
|
||||
|
||||
assertEquals(authors.size(), 2);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoAuthor_whenEndsWithObjS_thenWeGetOrderedAuthors() {
|
||||
List<Author> authors = ObjectSelect.query(Author.class)
|
||||
.where(Author.NAME.endsWith("Sarra"))
|
||||
.select(context);
|
||||
Author firstAuthor = authors.get(0);
|
||||
|
||||
assertEquals(authors.size(), 1);
|
||||
assertEquals(firstAuthor.getName(), "Vicky Sarra");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoAuthor_whenInObjS_thenWeGetAuthors() {
|
||||
String [] args = {"Paul Xavier", "pAuL Smith", "Vicky Sarra"};
|
||||
List<Author> authors = ObjectSelect.query(Author.class)
|
||||
.where(Author.NAME.in(Arrays.asList(args)))
|
||||
.select(context);
|
||||
|
||||
assertEquals(authors.size(), 3);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoAuthor_whenNinObjS_thenWeGetAuthors() {
|
||||
String [] args = {"Paul Xavier", "pAuL Smith"};
|
||||
List<Author> authors = ObjectSelect.query(Author.class)
|
||||
.where(Author.NAME.nin(Arrays.asList(args)))
|
||||
.select(context);
|
||||
Author author = authors.get(0);
|
||||
|
||||
assertEquals(authors.size(), 1);
|
||||
assertEquals(author.getName(), "Vicky Sarra");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoAuthor_whenIsNotNullObjS_thenWeGetAuthors() {
|
||||
List<Author> authors = ObjectSelect.query(Author.class)
|
||||
.where(Author.NAME.isNotNull())
|
||||
.select(context);
|
||||
|
||||
assertEquals(authors.size(), 3);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAuthors_whenFindAllEJBQL_thenWeGetThreeAuthors() {
|
||||
EJBQLQuery query = new EJBQLQuery("select a FROM Author a");
|
||||
List<Author> authors = context.performQuery(query);
|
||||
|
||||
assertEquals(authors.size(), 3);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAuthors_whenFindByNameEJBQL_thenWeGetOneAuthor() {
|
||||
EJBQLQuery query = new EJBQLQuery("select a FROM Author a WHERE a.name = 'Vicky Sarra'");
|
||||
List<Author> authors = context.performQuery(query);
|
||||
Author author = authors.get(0);
|
||||
|
||||
assertEquals(authors.size(), 1);
|
||||
assertEquals(author.getName(), "Vicky Sarra");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAuthors_whenUpdadingByNameEJBQL_thenWeGetTheUpdatedAuthor() {
|
||||
EJBQLQuery query = new EJBQLQuery("UPDATE Author AS a SET a.name = 'Vicky Edison' WHERE a.name = 'Vicky Sarra'");
|
||||
QueryResponse queryResponse = context.performGenericQuery(query);
|
||||
|
||||
EJBQLQuery queryUpdatedAuthor = new EJBQLQuery("select a FROM Author a WHERE a.name = 'Vicky Edison'");
|
||||
List<Author> authors = context.performQuery(queryUpdatedAuthor);
|
||||
Author author = authors.get(0);
|
||||
|
||||
assertNotNull(author);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAuthors_whenSeletingNamesEJBQL_thenWeGetListWithSizeThree() {
|
||||
String [] args = {"Paul Xavier", "pAuL Smith", "Vicky Sarra"};
|
||||
List<String> names = Arrays.asList(args);
|
||||
EJBQLQuery query = new EJBQLQuery("select a.name FROM Author a");
|
||||
List<String> nameList = context.performQuery(query);
|
||||
|
||||
Collections.sort(names);
|
||||
Collections.sort(nameList);
|
||||
|
||||
assertEquals(names.size(), 3);
|
||||
assertEquals(nameList.size(), 3);
|
||||
assertEquals(names, nameList);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAuthors_whenDeletingAllWithEJB_thenWeGetNoAuthor() {
|
||||
EJBQLQuery deleteQuery = new EJBQLQuery("delete FROM Author");
|
||||
EJBQLQuery findAllQuery = new EJBQLQuery("select a FROM Author a");
|
||||
|
||||
context.performQuery(deleteQuery);
|
||||
List<Author> objects = context.performQuery(findAllQuery);
|
||||
|
||||
assertEquals(objects.size(), 0);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAuthors_whenInsertingSQLExec_thenWeGetNewAuthor() {
|
||||
int inserted = SQLExec
|
||||
.query("INSERT INTO Author (name) VALUES ('Baeldung')")
|
||||
.update(context);
|
||||
|
||||
assertEquals(inserted, 1);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAuthors_whenUpdatingSQLExec_thenItsUpdated() {
|
||||
int updated = SQLExec
|
||||
.query("UPDATE Author SET name = 'Baeldung' WHERE name = 'Vicky Sarra'")
|
||||
.update(context);
|
||||
|
||||
assertEquals(updated, 1);
|
||||
}
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user