/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.xts;
import org.jboss.as.server.deployment.Attachments;
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.annotation.CompositeIndex;
import org.jboss.as.server.deployment.module.ModuleDependency;
import org.jboss.as.server.deployment.module.ModuleSpecification;
import org.jboss.jandex.AnnotationInstance;
import org.jboss.jandex.ClassInfo;
import org.jboss.jandex.DotName;
import org.jboss.modules.Module;
import org.jboss.modules.ModuleIdentifier;
import org.jboss.modules.ModuleLoader;
import org.jboss.narayana.compensations.api.CancelOnFailure;
import org.jboss.narayana.compensations.api.Compensatable;
import org.jboss.narayana.compensations.api.CompensationScoped;
import org.jboss.narayana.compensations.api.TxCompensate;
import org.jboss.narayana.compensations.api.TxConfirm;
import org.jboss.narayana.compensations.api.TxLogged;
import javax.ejb.TransactionAttribute;
import javax.jws.WebService;
import javax.transaction.Transactional;
import java.util.ArrayList;
import java.util.List;
/**
* @author <a href="mailto:gytis@redhat.com">Gytis Trikleris</a>
*/
public class XTSDependenciesDeploymentProcessor implements DeploymentUnitProcessor {
private static final ModuleIdentifier XTS_MODULE = ModuleIdentifier.create("org.jboss.xts");
private static final ModuleIdentifier TXF_MODULE = ModuleIdentifier.create("org.jboss.narayana.txframework");
private static final Class[] COMPENSATABLE_ANNOTATIONS = {
Compensatable.class,
CancelOnFailure.class,
CompensationScoped.class,
TxCompensate.class,
TxConfirm.class,
TxLogged.class
};
@Override
public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
final DeploymentUnit unit = phaseContext.getDeploymentUnit();
final CompositeIndex compositeIndex = unit.getAttachment(Attachments.COMPOSITE_ANNOTATION_INDEX);
if (compositeIndex == null) {
return;
}
if (isCompensationAnnotationPresent(compositeIndex)) {
addXTSModuleDependency(unit);
addTXFModuleDependency(unit);
} else if (isTransactionalEndpointPresent(compositeIndex)) {
addXTSModuleDependency(unit);
}
}
@Override
public void undeploy(DeploymentUnit context) {
}
private boolean isCompensationAnnotationPresent(final CompositeIndex compositeIndex) {
for (Class annotation : COMPENSATABLE_ANNOTATIONS) {
if (compositeIndex.getAnnotations(DotName.createSimple(annotation.getName())).size() > 1) {
return true;
}
}
return false;
}
private boolean isTransactionalEndpointPresent(final CompositeIndex compositeIndex) {
final List<AnnotationInstance> annotations = new ArrayList<>();
annotations.addAll(compositeIndex.getAnnotations(DotName.createSimple(Transactional.class.getName())));
annotations.addAll(compositeIndex.getAnnotations(DotName.createSimple(TransactionAttribute.class.getName())));
for (final AnnotationInstance annotation : annotations) {
final Object target = annotation.target();
if (target instanceof ClassInfo) {
final ClassInfo classInfo = (ClassInfo) target;
if (classInfo.annotations().get(DotName.createSimple(WebService.class.getName())) != null) {
return true;
}
}
}
return false;
}
private void addXTSModuleDependency(final DeploymentUnit unit) {
final ModuleLoader moduleLoader = Module.getBootModuleLoader();
final ModuleSpecification moduleSpec = unit.getAttachment(Attachments.MODULE_SPECIFICATION);
moduleSpec.addSystemDependency(new ModuleDependency(moduleLoader, XTS_MODULE, false, false, false, false));
}
private void addTXFModuleDependency(final DeploymentUnit unit) {
final ModuleLoader moduleLoader = Module.getBootModuleLoader();
final ModuleSpecification moduleSpec = unit.getAttachment(Attachments.MODULE_SPECIFICATION);
moduleSpec.addSystemDependency(new ModuleDependency(moduleLoader, TXF_MODULE, false, false, false, false));
}
}