org.hibernate.search.test.engine.TransactionTest.java Source code

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Here is the source code for org.hibernate.search.test.engine.TransactionTest.java

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/*
 * Hibernate Search, full-text search for your domain model
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.search.test.engine;

import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;

import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexReader;

import org.hibernate.Session;

import org.hibernate.jdbc.Work;
import org.hibernate.search.test.Document;
import org.hibernate.search.test.SearchTestBase;
import org.junit.Test;

import static org.junit.Assert.assertEquals;

/**
 * @author Emmanuel Bernard
 */
public class TransactionTest extends SearchTestBase {

    @Test
    public void testTransactionCommit() throws Exception {
        Session s = getSessionFactory().openSession();
        s.getTransaction().begin();
        s.persist(
                new Document("Hibernate in Action", "Object/relational mapping with Hibernate", "blah blah blah"));
        s.persist(new Document("Lucene in Action", "FullText search engine", "blah blah blah"));
        s.persist(new Document("Hibernate Search in Action", "ORM and FullText search engine", "blah blah blah"));
        s.getTransaction().commit();
        s.close();

        assertEquals("transaction.commit() should index", 3, getDocumentNumber());

        s = getSessionFactory().openSession();
        s.getTransaction().begin();
        s.persist(new Document("Java Persistence with Hibernate", "Object/relational mapping with Hibernate",
                "blah blah blah"));
        s.flush();
        s.getTransaction().rollback();
        s.close();

        assertEquals("rollback() should not index", 3, getDocumentNumber());

        s = getSessionFactory().openSession();
        s.doWork(new Work() {
            @Override
            public void execute(Connection connection) throws SQLException {
                connection.setAutoCommit(true); // www.hibernate.org/403.html
            }
        });
        s.persist(new Document("Java Persistence with Hibernate", "Object/relational mapping with Hibernate",
                "blah blah blah"));
        s.flush();
        s.close();

        assertEquals("no transaction should index", 4, getDocumentNumber());

    }

    private int getDocumentNumber() throws IOException {
        IndexReader reader = DirectoryReader.open(getDirectory(Document.class));
        try {
            return reader.numDocs();
        } finally {
            reader.close();
        }
    }

    @Override
    protected Class<?>[] getAnnotatedClasses() {
        return new Class[] { Document.class };
    }
}