/jboss-as-7.1.1.Final/ejb3/src/main/java/org/jboss/as/ejb3/deployment/processors/EjbDependencyDeploymentUnitProcessor.java

  1/*
  2 * JBoss, Home of Professional Open Source.
  3 * Copyright (c) 2011, Red Hat, Inc., and individual contributors
  4 * as indicated by the @author tags. See the copyright.txt file in the
  5 * distribution for a full listing of individual contributors.
  6 *
  7 * This is free software; you can redistribute it and/or modify it
  8 * under the terms of the GNU Lesser General Public License as
  9 * published by the Free Software Foundation; either version 2.1 of
 10 * the License, or (at your option) any later version.
 11 *
 12 * This software is distributed in the hope that it will be useful,
 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 15 * Lesser General Public License for more details.
 16 *
 17 * You should have received a copy of the GNU Lesser General Public
 18 * License along with this software; if not, write to the Free
 19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 21 */
 22
 23package org.jboss.as.ejb3.deployment.processors;
 24
 25import org.jboss.as.ee.structure.DeploymentType;
 26import org.jboss.as.ee.structure.DeploymentTypeMarker;
 27import org.jboss.as.server.deployment.Attachments;
 28import org.jboss.as.server.deployment.DeploymentPhaseContext;
 29import org.jboss.as.server.deployment.DeploymentUnit;
 30import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
 31import org.jboss.as.server.deployment.DeploymentUnitProcessor;
 32import org.jboss.as.server.deployment.module.ModuleDependency;
 33import org.jboss.as.server.deployment.module.ModuleSpecification;
 34import org.jboss.modules.Module;
 35import org.jboss.modules.ModuleIdentifier;
 36import org.jboss.modules.ModuleLoader;
 37
 38import static org.jboss.as.ejb3.deployment.EjbDeploymentMarker.isEjbDeployment;
 39
 40/**
 41 * Responsible for adding appropriate Java EE {@link org.jboss.as.server.deployment.module.ModuleDependency module dependencies}
 42 * <p/>
 43 * Author : Jaikiran Pai
 44 */
 45public class EjbDependencyDeploymentUnitProcessor implements DeploymentUnitProcessor {
 46
 47    // TODO: This should be centralized some place
 48    /**
 49     * Module id for Java EE module
 50     */
 51    private static final ModuleIdentifier JAVAEE_MODULE_IDENTIFIER = ModuleIdentifier.create("javaee.api");
 52
 53    /**
 54     * Needed for timer handle persistence
 55     * TODO: restrict visibility
 56     */
 57    private static final ModuleIdentifier EJB_SUBSYSTEM = ModuleIdentifier.create("org.jboss.as.ejb3");
 58    private static final ModuleIdentifier EJB_CLIENT = ModuleIdentifier.create("org.jboss.ejb-client");
 59    private static final ModuleIdentifier EJB_IIOP_CLIENT = ModuleIdentifier.create("org.jboss.iiop-client");
 60    private static final ModuleIdentifier JACORB = ModuleIdentifier.create("org.jboss.as.jacorb");
 61
 62
 63    /**
 64     * Adds Java EE module as a dependency to any deployment unit which is a EJB deployment
 65     *
 66     * @param phaseContext the deployment unit context
 67     * @throws DeploymentUnitProcessingException
 68     *
 69     */
 70    @Override
 71    public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
 72
 73
 74        // get hold of the deployment unit
 75        DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
 76
 77        final ModuleLoader moduleLoader = Module.getBootModuleLoader();
 78        final ModuleSpecification moduleSpecification = deploymentUnit.getAttachment(Attachments.MODULE_SPECIFICATION);
 79
 80        //we always give them the EJB client
 81        moduleSpecification.addSystemDependency(new ModuleDependency(moduleLoader, EJB_CLIENT, false, false, false, false));
 82        moduleSpecification.addSystemDependency(new ModuleDependency(moduleLoader, EJB_IIOP_CLIENT, false, false, false, false));
 83
 84        //we always have to add this, as even non-ejb deployments may still lookup IIOP ejb's
 85        moduleSpecification.addSystemDependency(new ModuleDependency(moduleLoader, EJB_SUBSYSTEM, false, false, false, false));
 86
 87        /*
 88        if (JacORBDeploymentMarker.isJacORBDeployment(deploymentUnit)) {
 89            //needed for dynamic IIOP stubs
 90            moduleSpecification.addSystemDependency(new ModuleDependency(moduleLoader, JACORB, false, false, false, false));
 91        }
 92        */
 93
 94        // fetch the EjbJarMetaData
 95        //TODO: remove the app client bit after the next EJB release
 96        if (!isEjbDeployment(deploymentUnit) && !DeploymentTypeMarker.isType(DeploymentType.APPLICATION_CLIENT, deploymentUnit)) {
 97            // nothing to do
 98            return;
 99        }
100
101
102        // FIXME: still not the best way to do it
103        //this must be the first dep listed in the module
104        if (Boolean.getBoolean("org.jboss.as.ejb3.EMBEDDED"))
105            moduleSpecification.addSystemDependency(new ModuleDependency(moduleLoader, ModuleIdentifier.CLASSPATH, false, false, false, false));
106
107        moduleSpecification.addSystemDependency(new ModuleDependency(moduleLoader, JAVAEE_MODULE_IDENTIFIER, false, false, false, false));
108
109    }
110
111    @Override
112    public void undeploy(DeploymentUnit context) {
113    }
114}