Mercurial > lada > lada-server

annotate src/main/java/de/intevation/utils/Resources.java @ 10:eb093385ff7e

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Added Resources.java. This file is important as it make the EntitManager available through @Inject in other classes.
author Torsten Irländer <torsten.irlaender@intevation.de>
date Thu, 18 Apr 2013 16:03:10 +0200
parents
children ad22a59aa5d7
rev   line source
10
eb093385ff7e Added Resources.java. This file is important as it make the EntitManager
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1 /*
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2 * JBoss, Home of Professional Open Source
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3 * Copyright 2012, Red Hat, Inc. and/or its affiliates, and individual
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4 * contributors by the @authors tag. See the copyright.txt in the
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5 * distribution for a full listing of individual contributors.
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6 *
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7 * Licensed under the Apache License, Version 2.0 (the "License");
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8 * you may not use this file except in compliance with the License.
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9 * You may obtain a copy of the License at
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10 * http://www.apache.org/licenses/LICENSE-2.0
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11 * Unless required by applicable law or agreed to in writing, software
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12 * distributed under the License is distributed on an "AS IS" BASIS,
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13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
eb093385ff7e Added Resources.java. This file is important as it make the EntitManager
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14 * See the License for the specific language governing permissions and
eb093385ff7e Added Resources.java. This file is important as it make the EntitManager
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15 * limitations under the License.
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16 */
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17 package org.jboss.as.quickstarts.kitchensink.util;
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eb093385ff7e Added Resources.java. This file is important as it make the EntitManager
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19 import java.util.logging.Logger;
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21 import javax.enterprise.context.RequestScoped;
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22 import javax.enterprise.inject.Produces;
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23 import javax.enterprise.inject.spi.InjectionPoint;
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24 import javax.faces.context.FacesContext;
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25 import javax.persistence.EntityManager;
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26 import javax.persistence.PersistenceContext;
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27
eb093385ff7e Added Resources.java. This file is important as it make the EntitManager
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28 /**
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29 * This class uses CDI to alias Java EE resources, such as the persistence context, to CDI beans
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30 *
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31 * <p>
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32 * Example injection on a managed bean field:
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33 * </p>
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34 *
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35 * <pre>
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36 * &#064;Inject
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37 * private EntityManager em;
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38 * </pre>
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39 */
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40 public class Resources {
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41 // use @SuppressWarnings to tell IDE to ignore warnings about field not being referenced directly
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42 @SuppressWarnings("unused")
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43 @Produces
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44 @PersistenceContext
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45 private EntityManager em;
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46
eb093385ff7e Added Resources.java. This file is important as it make the EntitManager
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47 @Produces
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48 public Logger produceLog(InjectionPoint injectionPoint) {
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49 return Logger.getLogger(injectionPoint.getMember().getDeclaringClass().getName());
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50 }
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51
eb093385ff7e Added Resources.java. This file is important as it make the EntitManager
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52 @Produces
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53 @RequestScoped
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54 public FacesContext produceFacesContext() {
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55 return FacesContext.getCurrentInstance();
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56 }
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57
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58 }
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