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<h1>Uso do Adaptador de Recursos de Quartz</h1>
</div>
</div>
</div>
<div class="row">
<div class="col-md-12">
<div id="preamble">
<div class="sectionbody">
<div class="admonitionblock note">
<table>
<tr>
<td class="icon">
<i class="fa icon-note" title="Note"></i>
</td>
<td class="content">
Este exemplo é um pouco datado. Ele antecede a API de agendamento que
foi adicionado ao EJB 3.1. Aplicações modernas devem usar a API de agendamento, que possui muitos, se não todos, os mesmos recursos que o Quartz. De fato, o Quartz é o mecanismo que aciona o suporte <code>@Schedule</code> e <code>ScheduleExpression</code> no OpenEJB e TomEE.
</td>
</tr>
</table>
</div>
<div class="paragraph">
<p>Apesar de datado de uma perspectiva de programação, ainda é uma
excelente referência sobre como conectar e testar um Java EE Resource Adapter personalizado..</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_estrutura_do_projeto">Estrutura do projeto</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Como os arquivos <code>.rar</code> não se saem bem em uma estrutura padrão do classpath, o
objetivo é efetivamente <code>desembrulhar</code> o <code>.rar</code> para que suas dependências
estejam no classpath e seu arquivo <code>ra.xml</code> ser encontrado e verificado pelo
OpenEJB.</p>
</div>
<div class="paragraph">
<p>Fazemos isso criando um módulo mini-maven para representar o <code>.rar</code> no
termos maven. O <code>pom.xml</code> do <code>módulo rar</code> declara todos os
jars que estariam dentro do <code>.rar</code> como dependências automatizadas. O arquivo <code>ra.xml</code>
é adicionado ao projeto em <code>src/main/resources/META-INF/ra.xml</code>
onde será visível para outros módulos.</p>
</div>
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-java" data-lang="java">quartz-app
quartz-app/pom.xml
quartz-app/quartz-beans
quartz-app/quartz-beans/pom.xml
quartz-app/quartz-beans/src/main/java/org/superbiz/quartz/JobBean.java
quartz-app/quartz-beans/src/main/java/org/superbiz/quartz/JobScheduler.java
quartz-app/quartz-beans/src/main/java/org/superbiz/quartz/QuartzMdb.java
quartz-app/quartz-beans/src/main/resources/META-INF
quartz-app/quartz-beans/src/main/resources/META-INF/ejb-jar.xml
quartz-app/quartz-beans/src/test/java/org/superbiz/quartz/QuartzMdbTest.java
quartz-app/quartz-ra
quartz-app/quartz-ra/pom.xml
quartz-app/quartz-ra/src/main/resources/META-INF
quartz-app/quartz-ra/src/main/resources/META-INF/ra.xml</code></pre>
</div>
</div>
<div class="sect2">
<h3 id="_ra_xml">ra.xml</h3>
<div class="paragraph">
<p>O conector em questão possui adaptadores de recursos de entrada e saída.
O adaptador de recursos de entrada pode ser usado para conduzir message driven beans (MDBs).
O adaptador de recursos de saída, <code>QuartzResourceAdapter</code>, pode ser injetado em qualquer componente via`@Resource` e usado para originar e enviar mensagens ou eventos.</p>
</div>
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-xml" data-lang="xml">&lt;connector xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/connector_1_5.xsd"
version="1.5"&gt;
&lt;description&gt;Quartz ResourceAdapter&lt;/description&gt;
&lt;display-name&gt;Quartz ResourceAdapter&lt;/display-name&gt;
&lt;vendor-name&gt;OpenEJB&lt;/vendor-name&gt;
&lt;eis-type&gt;Quartz Adapter&lt;/eis-type&gt;
&lt;resourceadapter-version&gt;1.0&lt;/resourceadapter-version&gt;
&lt;resourceadapter id="QuartzResourceAdapter"&gt;
&lt;resourceadapter-class&gt;org.apache.openejb.resource.quartz.QuartzResourceAdapter&lt;/resourceadapter-class&gt;
&lt;inbound-resourceadapter&gt;
&lt;messageadapter&gt;
&lt;messagelistener&gt;
&lt;messagelistener-type&gt;org.quartz.Job&lt;/messagelistener-type&gt;
&lt;activationspec&gt;
&lt;activationspec-class&gt;org.apache.openejb.resource.quartz.JobSpec&lt;/activationspec-class&gt;
&lt;/activationspec&gt;
&lt;/messagelistener&gt;
&lt;/messageadapter&gt;
&lt;/inbound-resourceadapter&gt;
&lt;/resourceadapter&gt;
&lt;/connector&gt;</code></pre>
</div>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_usando_o_adaptador_de_recursos_de_saída">Usando o Adaptador de Recursos de Saída</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Aqui vemos o adaptador de recursos de saída usado em um bean de sessão stateless para agendar uma tarefa que será executada pelo MDB</p>
</div>
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-java" data-lang="java">package org.superbiz.quartz;
import org.apache.openejb.resource.quartz.QuartzResourceAdapter;
import org.quartz.Job;
import org.quartz.JobDetail;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.quartz.Scheduler;
import org.quartz.SimpleTrigger;
import javax.ejb.Stateless;
import javax.naming.InitialContext;
import java.util.Date;
@Stateless
public class JobBean implements JobScheduler {
@Override
public Date createJob() throws Exception {
final QuartzResourceAdapter ra = (QuartzResourceAdapter) new InitialContext().lookup("java:openejb/Resource/QuartzResourceAdapter");
final Scheduler s = ra.getScheduler();
//Add a job type
final JobDetail jd = new JobDetail("job1", "group1", JobBean.MyTestJob.class);
jd.getJobDataMap().put("MyJobKey", "MyJobValue");
//Schedule my 'test' job to run now
final SimpleTrigger trigger = new SimpleTrigger("trigger1", "group1", new Date());
return s.scheduleJob(jd, trigger);
}
public static class MyTestJob implements Job {
@Override
public void execute(JobExecutionContext context) throws JobExecutionException {
System.out.println("This is a simple test job to get: " + context.getJobDetail().getJobDataMap().get("MyJobKey"));
}
}
}</code></pre>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_recebendo_dados_do_adaptador_de_recursos_de_entrada">Recebendo dados do adaptador de recursos de entrada</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-java" data-lang="java">package org.superbiz.quartz;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import javax.ejb.ActivationConfigProperty;
import javax.ejb.MessageDriven;
@MessageDriven(activationConfig = {
@ActivationConfigProperty(propertyName = "cronExpression", propertyValue = "* * * * * ?")})
public class QuartzMdb implements Job {
@Override
public void execute(JobExecutionContext jobExecutionContext) throws JobExecutionException {
System.out.println("Executing Job");
}
}</code></pre>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_caso_de_teste">Caso de teste</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-java" data-lang="java">package org.superbiz.quartz;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import javax.naming.Context;
import javax.naming.InitialContext;
import java.util.Date;
import java.util.Properties;
public class QuartzMdbTest {
private static InitialContext initialContext = null;
@BeforeClass
public static void beforeClass() throws Exception {
if (null == initialContext) {
Properties properties = new Properties();
properties.setProperty(Context.INITIAL_CONTEXT_FACTORY, "org.apache.openejb.core.LocalInitialContextFactory");
initialContext = new InitialContext(properties);
}
}
@AfterClass
public static void afterClass() throws Exception {
if (null != initialContext) {
initialContext.close();
initialContext = null;
}
}
@Test
public void testLookup() throws Exception {
final JobScheduler jbi = (JobScheduler) initialContext.lookup("JobBeanLocal");
final Date d = jbi.createJob();
Thread.sleep(500);
System.out.println("Scheduled test job should have run at: " + d.toString());
}
@Test
public void testMdb() throws Exception {
// Sleep 3 seconds and give quartz a chance to execute our MDB
Thread.sleep(3000);
}
}</code></pre>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_executando">Executando</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-console" data-lang="console">-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running org.superbiz.quartz.QuartzMdbTest
Apache OpenEJB 4.0.0-beta-1 build: 20111002-04:06
http://tomee.apache.org/
INFO - openejb.home = /Users/dblevins/examples/quartz-app/quartz-beans
INFO - openejb.base = /Users/dblevins/examples/quartz-app/quartz-beans
INFO - Configuring Service(id=Default Security Service, type=SecurityService, provider-id=Default Security Service)
INFO - Configuring Service(id=Default Transaction Manager, type=TransactionManager, provider-id=Default Transaction Manager)
INFO - Found ConnectorModule in classpath: /Users/dblevins/examples/quartz-app/quartz-ra/target/quartz-ra-1.0.jar
INFO - Found EjbModule in classpath: /Users/dblevins/examples/quartz-app/quartz-beans/target/classes
INFO - Beginning load: /Users/dblevins/examples/quartz-app/quartz-ra/target/quartz-ra-1.0.jar
INFO - Extracting jar: /Users/dblevins/examples/quartz-app/quartz-ra/target/quartz-ra-1.0.jar
INFO - Extracted path: /Users/dblevins/examples/quartz-app/quartz-ra/target/quartz-ra-1.0
INFO - Beginning load: /Users/dblevins/examples/quartz-app/quartz-beans/target/classes
INFO - Configuring enterprise application: /Users/dblevins/examples/quartz-app/quartz-beans/classpath.ear
INFO - Configuring Service(id=Default Stateless Container, type=Container, provider-id=Default Stateless Container)
INFO - Auto-creating a container for bean JobBean: Container(type=STATELESS, id=Default Stateless Container)
INFO - Configuring Service(id=QuartzResourceAdapter, type=Resource, provider-id=QuartzResourceAdapter)
INFO - Configuring Service(id=quartz-ra-1.0, type=Container, provider-id=Default MDB Container)
INFO - Enterprise application "/Users/dblevins/examples/quartz-app/quartz-beans/classpath.ear" loaded.
INFO - Assembling app: /Users/dblevins/examples/quartz-app/quartz-beans/classpath.ear
INFO - Jndi(name=JobBeanLocal) --&gt; Ejb(deployment-id=JobBean)
INFO - Jndi(name=global/classpath.ear/quartz-beans/JobBean!org.superbiz.quartz.JobScheduler) --&gt; Ejb(deployment-id=JobBean)
INFO - Jndi(name=global/classpath.ear/quartz-beans/JobBean) --&gt; Ejb(deployment-id=JobBean)
INFO - Created Ejb(deployment-id=JobBean, ejb-name=JobBean, container=Default Stateless Container)
INFO - Created Ejb(deployment-id=QuartzMdb, ejb-name=QuartzMdb, container=quartz-ra-1.0)
Executing Job
INFO - Started Ejb(deployment-id=JobBean, ejb-name=JobBean, container=Default Stateless Container)
INFO - Started Ejb(deployment-id=QuartzMdb, ejb-name=QuartzMdb, container=quartz-ra-1.0)
INFO - Deployed Application(path=/Users/dblevins/examples/quartz-app/quartz-beans/classpath.ear)
This is a simple test job to get: MyJobValue
Scheduled test job should have run at: Fri Oct 28 17:05:12 PDT 2011
Executing Job
Executing Job
Executing Job
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.971 sec
Results :
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0</code></pre>
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<p><a href="../../../master/javadoc/org/apache/openejb/resource/quartz/QuartzResourceAdapter.html">org.apache.openejb.resource.quartz.QuartzResourceAdapter</a></p>
</li>
<li>
<p><a href="../../../jakartaee-8.0/javadoc/javax/ejb/ActivationConfigProperty.html">javax.ejb.ActivationConfigProperty</a></p>
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</li>
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<p><a href="../../../jakartaee-8.0/javadoc/javax/ejb/Stateless.html">javax.ejb.Stateless</a></p>
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