Foo.java example

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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2010, Red Hat, Inc., and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * Licensed 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.
 */
package org.jboss.weld.tests.event.tx;

import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.event.Event;
import javax.enterprise.event.Observes;
import javax.enterprise.event.TransactionPhase;
import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import javax.inject.Inject;
import javax.inject.Named;
import javax.transaction.UserTransaction;
import java.io.Serializable;

@Named
@ApplicationScoped
public class Foo implements Serializable {
    private static final long serialVersionUID = 1L;

    @Inject
    private UserTransaction utx;

    @Inject
    @Updated
    private Event<String> event1;

    public Foo() {
    }

    public String save() {
        try {
            utx.begin();
            event1.fire("Fired using Event Interface with AnnotationLiteral.");
            utx.commit();
        } catch (Exception e) {
        }
        return null;
    }

    public void eventObserver(@Observes(during = TransactionPhase.AFTER_COMPLETION) @Updated String s) {
        FacesContext.getCurrentInstance().addMessage(null, new FacesMessage("AfterCompletion Event Recieved!"));
    }
}