/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.ejb3.deployment.processors;
import java.util.ArrayList;
import java.util.List;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.ee.component.ComponentConfiguration;
import org.jboss.as.ee.component.ComponentDescription;
import org.jboss.as.ee.component.EEModuleConfiguration;
import org.jboss.as.ejb3.component.EJBComponentDescription;
import org.jboss.as.ejb3.deployment.EjbDeploymentAttachmentKeys;
import org.jboss.as.ejb3.subsystem.EJB3Extension;
import org.jboss.as.ejb3.subsystem.deployment.AbstractEJBComponentRuntimeHandler;
import org.jboss.as.ejb3.subsystem.deployment.EJBComponentType;
import org.jboss.as.ejb3.subsystem.deployment.InstalledComponent;
import org.jboss.as.server.deployment.DeploymentPhaseContext;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.DeploymentUnitProcessor;
import org.jboss.as.server.deployment.Phase;
import org.jboss.logging.Logger;
import static org.jboss.as.ee.component.Attachments.EE_MODULE_CONFIGURATION;
/**
* {@link Phase#INSTALL} processor that adds management resources describing EJB components.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public class EjbManagementDeploymentUnitProcessor implements DeploymentUnitProcessor {
private static final Logger log = Logger.getLogger(EjbManagementDeploymentUnitProcessor.class);
@Override
public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
final EEModuleConfiguration moduleDescription = deploymentUnit.getAttachment(EE_MODULE_CONFIGURATION);
if (moduleDescription == null) {
// Nothing to do
return;
}
if (deploymentUnit.getParent() != null && deploymentUnit.getParent().getParent() != null) {
// We only expose management resources 2 levels deep
return;
}
// Iterate through each component, installing it into the container
for (final ComponentConfiguration configuration : moduleDescription.getComponentConfigurations()) {
try {
final ComponentDescription componentDescription = configuration.getComponentDescription();
if (componentDescription instanceof EJBComponentDescription) {
installManagementResource(configuration, deploymentUnit);
}
} catch (RuntimeException e) {
throw new DeploymentUnitProcessingException("Failed to install management resources for " + configuration, e);
}
}
}
@Override
public void undeploy(DeploymentUnit deploymentUnit) {
if (deploymentUnit.getParent() != null && deploymentUnit.getParent().getParent() != null) {
// We only expose management resources 2 levels deep
return;
}
// Iterate through each component, installing it into the container
for (final InstalledComponent configuration : deploymentUnit.getAttachmentList(EjbDeploymentAttachmentKeys.MANAGED_COMPONENTS)) {
try {
uninstallManagementResource(configuration);
} catch (RuntimeException e) {
log.error(String.format("Failed to remove management resources for %s -- %s", configuration, e));
}
}
}
private void installManagementResource(ComponentConfiguration configuration, DeploymentUnit deploymentUnit) {
final EJBComponentType type = EJBComponentType.getComponentType(configuration);
PathAddress addr = getComponentAddress(type, configuration, deploymentUnit);
final AbstractEJBComponentRuntimeHandler handler = type.getRuntimeHandler();
handler.registerComponent(addr, configuration.getComponentDescription().getStartServiceName());
deploymentUnit.addToAttachmentList(EjbDeploymentAttachmentKeys.MANAGED_COMPONENTS, new InstalledComponent(type, addr));
deploymentUnit.createDeploymentSubModel(EJB3Extension.SUBSYSTEM_NAME, addr.getLastElement());
}
private void uninstallManagementResource(final InstalledComponent component) {
component.getType().getRuntimeHandler().unregisterComponent(component.getAddress());
}
private static PathAddress getComponentAddress(EJBComponentType type, ComponentConfiguration configuration, DeploymentUnit deploymentUnit) {
List<PathElement> elements = new ArrayList<PathElement>();
if (deploymentUnit.getParent() == null) {
elements.add(PathElement.pathElement(ModelDescriptionConstants.DEPLOYMENT, deploymentUnit.getName()));
} else {
elements.add(PathElement.pathElement(ModelDescriptionConstants.DEPLOYMENT, deploymentUnit.getParent().getName()));
elements.add(PathElement.pathElement(ModelDescriptionConstants.SUBDEPLOYMENT, deploymentUnit.getName()));
}
elements.add(PathElement.pathElement(ModelDescriptionConstants.SUBSYSTEM, EJB3Extension.SUBSYSTEM_NAME));
elements.add(PathElement.pathElement(type.getResourceType(), configuration.getComponentName()));
return PathAddress.pathAddress(elements);
}
}