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package org.apache.tuscany.sca.host.openejb;
import java.io.IOException;
import java.util.Properties;
import javax.naming.Context;
import javax.naming.NamingException;
import org.apache.openejb.OpenEJB;
import org.apache.openejb.OpenEJBException;
import org.apache.openejb.assembler.classic.Assembler;
import org.apache.openejb.assembler.classic.StatelessSessionContainerInfo;
import org.apache.openejb.config.ConfigurationFactory;
import org.apache.openejb.core.ServerFederation;
import org.apache.openejb.jee.EjbJar;
import org.apache.openejb.jee.StatelessBean;
import org.apache.openejb.loader.SystemInstance;
import org.apache.openejb.server.ServiceDaemon;
import org.apache.openejb.server.ServiceException;
import org.apache.openejb.server.ejbd.EjbServer;
import org.apache.tuscany.sca.host.ejb.EJBHost;
import org.apache.tuscany.sca.host.ejb.EJBRegistrationException;
import org.apache.tuscany.sca.host.ejb.EJBSessionBean;
/**
* OpenEJB-based EJB host implementation.
*
* @version $Rev: $ $Date: $
*/
public class OpenEJBServer implements EJBHost {
private boolean started;
private EjbServer ejbServer;
private ServiceDaemon serviceDaemon;
private ConfigurationFactory config;
private Assembler assembler;
public void addSessionBean(String ejbName, EJBSessionBean sessionBean) throws EJBRegistrationException {
if (!started) {
start();
}
try {
StatelessBean bean = new StatelessBean(ejbName, sessionBean.getImplementationClass());
bean.addBusinessRemote(sessionBean.getRemoteInterface().getName());
bean.addPostConstruct("init");
bean.addPreDestroy("destroy");
EjbJar ejbJar = new EjbJar();
ejbJar.addEnterpriseBean(bean);
assembler.createApplication(config.configureApplication(ejbJar));
} catch (NamingException e) {
throw new EJBRegistrationException(e);
} catch (IOException e) {
throw new EJBRegistrationException(e);
} catch (OpenEJBException e) {
throw new EJBRegistrationException(e);
}
}
public EJBSessionBean getSessionBean(String ejbName) throws EJBRegistrationException {
// TODO Auto-generated method stub
return null;
}
public EJBSessionBean removeSessionBean(String ejbName) throws EJBRegistrationException {
// TODO Auto-generated method stub
return null;
}
/**
* Start the OpenEJB server.
*
* @throws EJBRegistrationException
*/
private void start() throws EJBRegistrationException {
try {
Properties properties = new Properties();
properties.put(Context.INITIAL_CONTEXT_FACTORY, "org.apache.openejb.client.RemoteInitialContextFactory");
properties.put(Context.PROVIDER_URL, "ejbd://localhost:2888");
SystemInstance.init(properties);
ejbServer = new EjbServer();
SystemInstance.get().setComponent(EjbServer.class, ejbServer);
OpenEJB.init(properties, new ServerFederation());
ejbServer.init(properties);
serviceDaemon = new ServiceDaemon(ejbServer, 2888, "localhost");
serviceDaemon.start();
config = new ConfigurationFactory();
assembler = (Assembler)SystemInstance.get().getComponent(org.apache.openejb.spi.Assembler.class);
// containers
StatelessSessionContainerInfo statelessContainerInfo = config.configureService(StatelessSessionContainerInfo.class);
statelessContainerInfo.properties.setProperty("TimeOut", "10");
statelessContainerInfo.properties.setProperty("PoolSize", "0");
statelessContainerInfo.properties.setProperty("StrictPooling", "false");
assembler.createContainer(statelessContainerInfo);
} catch (OpenEJBException e) {
throw new EJBRegistrationException(e);
} catch (Exception e) {
throw new EJBRegistrationException(e);
}
started = true;
}
/**
* Stop the OpenEJB server.
*/
void stop() {
if (started) {
try {
serviceDaemon.stop();
} catch (ServiceException e) {
throw new EJBRegistrationException(e);
}
}
SystemInstance.get().removeComponent(EjbServer.class);
OpenEJB.destroy();
}
}
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