/*
* 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.wildfly.extension.messaging.activemq;
import static org.wildfly.extension.messaging.activemq.CommonAttributes.CORE_ADDRESS;
import static org.wildfly.extension.messaging.activemq.CommonAttributes.RUNTIME_QUEUE;
import java.util.Collections;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.Set;
import org.apache.activemq.artemis.api.core.management.AddressControl;
import org.apache.activemq.artemis.api.core.management.QueueControl;
import org.apache.activemq.artemis.api.core.management.ResourceNames;
import org.apache.activemq.artemis.core.server.ActiveMQServer;
import org.apache.activemq.artemis.core.server.management.ManagementService;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.registry.PlaceholderResource;
import org.jboss.as.controller.registry.Resource;
import org.wildfly.extension.messaging.activemq.logging.MessagingLogger;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
/**
* Resource representing a ActiveMQ server.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public class ActiveMQServerResource implements Resource {
private final Resource delegate;
private volatile ServiceController<ActiveMQServer> activeMQServerServiceController;
public ActiveMQServerResource() {
this(Resource.Factory.create());
}
public ActiveMQServerResource(final Resource delegate) {
this.delegate = delegate;
}
public ServiceController<ActiveMQServer> getActiveMQServerServiceController() {
return activeMQServerServiceController;
}
public void setActiveMQServerServiceController(ServiceController<ActiveMQServer> activeMQServerServiceController) {
this.activeMQServerServiceController = activeMQServerServiceController;
}
@Override
public ModelNode getModel() {
return delegate.getModel();
}
@Override
public void writeModel(ModelNode newModel) {
delegate.writeModel(newModel);
}
@Override
public boolean isModelDefined() {
return delegate.isModelDefined();
}
@Override
public boolean hasChild(PathElement element) {
if (CORE_ADDRESS.equals(element.getKey())) {
return hasAddressControl(element);
} else if (RUNTIME_QUEUE.equals(element.getKey())) {
return hasQueueControl(element.getValue());
} else {
return delegate.hasChild(element);
}
}
@Override
public Resource getChild(PathElement element) {
if (CORE_ADDRESS.equals(element.getKey())) {
return hasAddressControl(element) ? new CoreAddressResource(element.getValue(), getManagementService()) : null;
} else if (RUNTIME_QUEUE.equals(element.getKey())) {
return hasQueueControl(element.getValue()) ? PlaceholderResource.INSTANCE : null;
} else {
return delegate.getChild(element);
}
}
@Override
public Resource requireChild(PathElement element) {
if (CORE_ADDRESS.equals(element.getKey())) {
if (hasAddressControl(element)) {
return new CoreAddressResource(element.getValue(), getManagementService());
}
throw new NoSuchResourceException(element);
} else if (RUNTIME_QUEUE.equals(element.getKey())) {
if (hasQueueControl(element.getValue())) {
return PlaceholderResource.INSTANCE;
}
throw new NoSuchResourceException(element);
} else {
return delegate.requireChild(element);
}
}
@Override
public boolean hasChildren(String childType) {
if (CORE_ADDRESS.equals(childType)) {
return getChildrenNames(CORE_ADDRESS).size() > 0;
} else if (RUNTIME_QUEUE.equals(childType)) {
return getChildrenNames(RUNTIME_QUEUE).size() > 0;
} else {
return delegate.hasChildren(childType);
}
}
@Override
public Resource navigate(PathAddress address) {
if (address.size() > 0 && CORE_ADDRESS.equals(address.getElement(0).getKey())) {
if (address.size() > 1) {
throw new NoSuchResourceException(address.getElement(1));
}
return new CoreAddressResource(address.getElement(0).getValue(), getManagementService());
} else if (address.size() > 0 && RUNTIME_QUEUE.equals(address.getElement(0).getKey())) {
if (address.size() > 1) {
throw new NoSuchResourceException(address.getElement(1));
}
return PlaceholderResource.INSTANCE;
} else {
return delegate.navigate(address);
}
}
@Override
public Set<String> getChildTypes() {
Set<String> result = new HashSet<String>(delegate.getChildTypes());
result.add(CORE_ADDRESS);
result.add(RUNTIME_QUEUE);
return result;
}
@Override
public Set<String> getOrderedChildTypes() {
return Collections.emptySet();
}
@Override
public Set<String> getChildrenNames(String childType) {
if (CORE_ADDRESS.equals(childType)) {
return getCoreAddressNames();
} else if (RUNTIME_QUEUE.equals(childType)) {
return getCoreQueueNames();
} else {
return delegate.getChildrenNames(childType);
}
}
@Override
public Set<ResourceEntry> getChildren(String childType) {
if (CORE_ADDRESS.equals(childType)) {
Set<ResourceEntry> result = new HashSet<ResourceEntry>();
for (String name : getCoreAddressNames()) {
result.add(new CoreAddressResource.CoreAddressResourceEntry(name, getManagementService()));
}
return result;
} else if (RUNTIME_QUEUE.equals(childType)) {
Set<ResourceEntry> result = new LinkedHashSet<ResourceEntry>();
for (String name : getCoreQueueNames()) {
result.add(new PlaceholderResource.PlaceholderResourceEntry(RUNTIME_QUEUE, name));
}
return result;
} else {
return delegate.getChildren(childType);
}
}
@Override
public void registerChild(PathElement address, Resource resource) {
String type = address.getKey();
if (CORE_ADDRESS.equals(type) ||
RUNTIME_QUEUE.equals(type)) {
throw MessagingLogger.ROOT_LOGGER.canNotRegisterResourceOfType(type);
} else {
delegate.registerChild(address, resource);
}
}
@Override
public void registerChild(PathElement address, int index, Resource resource) {
throw MessagingLogger.ROOT_LOGGER.indexedChildResourceRegistrationNotAvailable(address);
}
@Override
public Resource removeChild(PathElement address) {
String type = address.getKey();
if (CORE_ADDRESS.equals(type) ||
RUNTIME_QUEUE.equals(type)) {
throw MessagingLogger.ROOT_LOGGER.canNotRemoveResourceOfType(type);
} else {
return delegate.removeChild(address);
}
}
@Override
public boolean isRuntime() {
return delegate.isRuntime();
}
@Override
public boolean isProxy() {
return delegate.isProxy();
}
@Override
public Resource clone() {
ActiveMQServerResource clone = new ActiveMQServerResource(delegate.clone());
clone.setActiveMQServerServiceController(activeMQServerServiceController);
return clone;
}
private boolean hasAddressControl(PathElement element) {
final ManagementService managementService = getManagementService();
return managementService == null ? false : managementService.getResource(ResourceNames.CORE_ADDRESS + element.getValue()) != null;
}
private boolean hasQueueControl(String name) {
final ManagementService managementService = getManagementService();
return managementService == null ? false : managementService.getResource(ResourceNames.CORE_QUEUE + name) != null;
}
private Set<String> getCoreAddressNames() {
final ManagementService managementService = getManagementService();
if (managementService == null) {
return Collections.emptySet();
} else {
Set<String> result = new HashSet<String>();
for (Object obj : managementService.getResources(AddressControl.class)) {
AddressControl ac = AddressControl.class.cast(obj);
result.add(ac.getAddress());
}
return result;
}
}
private Set<String> getCoreQueueNames() {
final ManagementService managementService = getManagementService();
if (managementService == null) {
return Collections.emptySet();
} else {
Set<String> result = new HashSet<String>();
for (Object obj : managementService.getResources(QueueControl.class)) {
QueueControl qc = QueueControl.class.cast(obj);
result.add(qc.getName());
}
return result;
}
}
private ManagementService getManagementService() {
if (activeMQServerServiceController == null
|| activeMQServerServiceController.getState() != ServiceController.State.UP) {
return null;
} else {
return activeMQServerServiceController.getValue().getManagementService();
}
}
}