Package org.apache.camel.itest.osgi.jpa

Source Code of org.apache.camel.itest.osgi.jpa.JpaRouteTest

/**
* 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.
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package org.apache.camel.itest.osgi.jpa;

import java.util.List;

import javax.inject.Inject;

import org.apache.camel.CamelContext;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.itest.osgi.OSGiIntegrationTestSupport;
import org.apache.camel.spring.SpringCamelContext;
import org.apache.camel.util.IOHelper;
import org.junit.After;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.ops4j.pax.exam.Option;
import org.ops4j.pax.exam.junit.Configuration;
import org.ops4j.pax.exam.junit.JUnit4TestRunner;
import org.osgi.framework.BundleContext;
import org.springframework.orm.jpa.JpaTemplate;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.TransactionCallback;
import org.springframework.transaction.support.TransactionTemplate;

import static org.ops4j.pax.exam.CoreOptions.mavenBundle;
import static org.ops4j.pax.exam.OptionUtils.combine;

@RunWith(JUnit4TestRunner.class)
public class JpaRouteTest extends OSGiIntegrationTestSupport {
    protected static final String SELECT_ALL_STRING = "select x from " + SendEmail.class.getName() + " x";

    protected OsgiBundleXmlApplicationContext applicationContext;
   
    @Inject
    protected BundleContext bundleContext;
    protected JpaTemplate jpaTemplate;

    @Test
    public void testRouteJpa() throws Exception {
        MockEndpoint mock = getMockEndpoint("mock:result");
        mock.expectedMessageCount(1);

        template.sendBody("direct:start", new SendEmail(1L, "someone@somewhere.org"));

        assertMockEndpointsSatisfied();
        assertEntityInDB();
    }
   
    @After
    public void tearDown() {
        try {
            super.tearDown();
            if (applicationContext != null) {               
                if (applicationContext.isActive()) {
                    IOHelper.close(applicationContext);
                }
                applicationContext = null;
            }
        } catch (Exception exception) {
            // Don't throw the exception in the tearDown method           
        }
    }

    @Override
    protected CamelContext createCamelContext() throws Exception {
        setThreadContextClassLoader();
        applicationContext = new OsgiBundleXmlApplicationContext(
            new String[]{"org/apache/camel/itest/osgi/jpa/springJpaRouteContext.xml"});
        if (bundleContext != null) {
            applicationContext.setBundleContext(bundleContext);
            applicationContext.refresh();
        }
        cleanupRepository();
        return SpringCamelContext.springCamelContext(applicationContext);
    }

    private void assertEntityInDB() throws Exception {
        // must type cast with Spring 2.x
        jpaTemplate = applicationContext.getBean("jpaTemplate", JpaTemplate.class);

        @SuppressWarnings("rawtypes")
        List list = jpaTemplate.find(SELECT_ALL_STRING);
        assertEquals(1, list.size());
       
        assertIsInstanceOf(SendEmail.class, list.get(0));
    }

    protected void cleanupRepository() {
        // must type cast with Spring 2.x
        jpaTemplate = applicationContext.getBean("jpaTemplate", JpaTemplate.class);

        TransactionTemplate transactionTemplate = new TransactionTemplate();
        transactionTemplate.setTransactionManager(new JpaTransactionManager(jpaTemplate.getEntityManagerFactory()));
        transactionTemplate.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);

        transactionTemplate.execute(new TransactionCallback<Boolean>() {
            public Boolean doInTransaction(TransactionStatus arg0) {
                @SuppressWarnings("rawtypes")
                List list = jpaTemplate.find(SELECT_ALL_STRING);
                for (Object item : list) {
                    jpaTemplate.remove(item);
                }
                jpaTemplate.flush();
                return Boolean.TRUE;
            }
        });
    }
   
    @Configuration
    public static Option[] configure() throws Exception {
        Option[] options = combine(

            getDefaultCamelKarafOptions(),
            // using the features to install the camel components
            loadCamelFeatures("camel-jpa"),

            // use derby as the database
            mavenBundle().groupId("org.apache.derby").artifactId("derby").version("10.4.2.0"));

        return options;
    }
}
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