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SingletonBean.java
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SingletonBean.java
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/*
* Copyright (c) 2022, 2022 Contributors to the Eclipse Foundation.
* Copyright (c) 2017, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.acme;
import jakarta.ejb.*;
import jakarta.annotation.*;
import jakarta.interceptor.*;
import jakarta.inject.Inject;
import javax.naming.InitialContext;
import jakarta.enterprise.inject.spi.BeanManager;
import jakarta.enterprise.event.Event;
import java.lang.reflect.Method;
import org.jboss.weld.examples.translator.*;
@Singleton
@Startup
public class SingletonBean implements SingletonRemote {
@Inject
private Event<SomeEvent> someEvent;
@Inject
Foo foo;
@EJB
private StatelessLocal statelessEE;
@Inject
private StatelessLocal2 sl2;
@Inject
private TranslatorController tc;
@Resource(lookup = "java:module/FooManagedBean")
private FooManagedBean fmb;
@Resource
private BeanManager beanManagerInject;
@Resource
SessionContext sesCtx;
@PostConstruct
public void init() {
System.out.println("In SingletonBean::init()");
if (beanManagerInject == null) {
throw new EJBException("BeanManager is null");
}
System.out.println("Bean manager inject = " + beanManagerInject);
testIMCreateDestroyMO();
System.out.println("Sending some event...");
someEvent.fire(new SomeEvent(2));
}
public void hello() {
System.out.println("In SingletonBean::hello() " + foo);
statelessEE.hello();
sl2.hello();
fmb.hello();
BeanManager beanMgr = (BeanManager) sesCtx.lookup("java:comp/BeanManager");
System.out.println("Successfully retrieved bean manager " + beanMgr + " for CDI enabled app");
}
@Schedule(second = "*/10", minute = "*", hour = "*")
private void timeout() {
System.out.println("In SingletonBean::timeout() " + foo);
System.out.println("tc.getText() = " + tc.getText());
statelessEE.hello();
}
@PreDestroy
public void destroy() {
System.out.println("In SingletonBean::destroy()");
}
private void testIMCreateDestroyMO() {
try {
// Test InjectionManager managed bean functionality
Object injectionMgr = new InitialContext().lookup("com.sun.enterprise.container.common.spi.util.InjectionManager");
Method createManagedMethod = injectionMgr.getClass().getMethod("createManagedObject", java.lang.Class.class);
System.out.println("create managed object method = " + createManagedMethod);
FooManagedBean f2 = (FooManagedBean) createManagedMethod.invoke(injectionMgr, FooManagedBean.class);
f2.hello();
Method destroyManagedMethod = injectionMgr.getClass().getMethod("destroyManagedObject", java.lang.Object.class);
System.out.println("destroy managed object method = " + destroyManagedMethod);
destroyManagedMethod.invoke(injectionMgr, f2);
FooNonManagedBean nonF = (FooNonManagedBean) createManagedMethod.invoke(injectionMgr, FooNonManagedBean.class);
System.out.println("FooNonManagedBean = " + nonF);
nonF.hello();
destroyManagedMethod.invoke(injectionMgr, nonF);
} catch (Exception e) {
throw new EJBException(e);
}
}
}