/*
* 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.messaging;
import static org.jboss.as.messaging.MessagingMessages.MESSAGES;
import org.hornetq.api.core.management.HornetQServerControl;
import org.hornetq.core.server.HornetQServer;
import org.jboss.as.controller.AbstractWriteAttributeHandler;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.registry.AttributeAccess;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceRegistry;
/**
* Write attribute handler for attributes that update HornetQServerControl.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public class HornetQServerControlWriteHandler extends AbstractWriteAttributeHandler<Void> {
public static final HornetQServerControlWriteHandler INSTANCE = new HornetQServerControlWriteHandler();
private HornetQServerControlWriteHandler() {
super(CommonAttributes.SIMPLE_ROOT_RESOURCE_ATTRIBUTES);
}
public void registerAttributes(final ManagementResourceRegistration registry, boolean registerRuntimeOnly) {
for (AttributeDefinition attr : CommonAttributes.SIMPLE_ROOT_RESOURCE_ATTRIBUTES) {
if (registerRuntimeOnly || !attr.getFlags().contains(AttributeAccess.Flag.STORAGE_RUNTIME)) {
registry.registerReadWriteAttribute(attr, null, this);
}
}
}
@Override
protected boolean applyUpdateToRuntime(final OperationContext context, final ModelNode operation, final String attributeName,
final ModelNode newValue, final ModelNode currentValue,
final HandbackHolder<Void> handbackHolder) throws OperationFailedException {
AttributeDefinition attr = getAttributeDefinition(attributeName);
if (attr.getFlags().contains(AttributeAccess.Flag.RESTART_ALL_SERVICES)) {
// Restart required
return true;
} else {
ServiceRegistry registry = context.getServiceRegistry(true);
final ServiceName hqServiceName = MessagingServices.getHornetQServiceName(PathAddress.pathAddress(operation.get(ModelDescriptionConstants.OP_ADDR)));
ServiceController<?> hqService = registry.getService(hqServiceName);
if (hqService == null) {
// The service isn't installed, so the work done in the Stage.MODEL part is all there is to it
return false;
} else if (hqService.getState() != ServiceController.State.UP) {
// Service is installed but not up?
//throw new IllegalStateException(String.format("Cannot apply attribute %s to runtime; service %s is not in state %s, it is in state %s",
// attributeName, MessagingServices.JBOSS_MESSAGING, ServiceController.State.UP, hqService.getState()));
// No, don't barf; just let the update apply to the model and put the server in a reload-required state
return true;
} else {
applyOperationToHornetQService(context, operation, attributeName, hqService);
return false;
}
}
}
@Override
protected void revertUpdateToRuntime(final OperationContext context, final ModelNode operation,
final String attributeName, final ModelNode valueToRestore,
final ModelNode valueToRevert,
final Void handback) throws OperationFailedException {
AttributeDefinition attr = getAttributeDefinition(attributeName);
if (!attr.getFlags().contains(AttributeAccess.Flag.RESTART_ALL_SERVICES)) {
ServiceRegistry registry = context.getServiceRegistry(true);
final ServiceName hqServiceName = MessagingServices.getHornetQServiceName(PathAddress.pathAddress(operation.get(ModelDescriptionConstants.OP_ADDR)));
ServiceController<?> hqService = registry.getService(hqServiceName);
if (hqService != null && hqService.getState() == ServiceController.State.UP) {
// Create and execute a write-attribute operation that uses the valueToRestore
ModelNode revertOp = operation.clone();
revertOp.get(attributeName).set(valueToRestore);
applyOperationToHornetQService(context, revertOp, attributeName, hqService);
}
}
}
private void applyOperationToHornetQService(final OperationContext context, ModelNode operation, String attributeName, ServiceController<?> hqService) {
HornetQServerControl serverControl = HornetQServer.class.cast(hqService.getValue()).getHornetQServerControl();
try {
if (attributeName.equals(CommonAttributes.FAILOVER_ON_SHUTDOWN.getName())) {
serverControl.setFailoverOnServerShutdown(CommonAttributes.FAILOVER_ON_SHUTDOWN.resolveModelAttribute(context, operation).asBoolean());
} else if (attributeName.equals(CommonAttributes.MESSAGE_COUNTER_SAMPLE_PERIOD.getName())) {
serverControl.setMessageCounterSamplePeriod(CommonAttributes.MESSAGE_COUNTER_SAMPLE_PERIOD.resolveModelAttribute(context, operation).asLong());
} else if (attributeName.equals(CommonAttributes.MESSAGE_COUNTER_MAX_DAY_HISTORY.getName())) {
serverControl.setMessageCounterMaxDayCount(CommonAttributes.MESSAGE_COUNTER_MAX_DAY_HISTORY.resolveModelAttribute(context, operation).asInt());
} else if (attributeName.equals(CommonAttributes.MESSAGE_COUNTER_ENABLED.getName())) {
boolean enabled = CommonAttributes.MESSAGE_COUNTER_ENABLED.resolveModelAttribute(context, operation).asBoolean();
if (enabled) {
serverControl.enableMessageCounters();
} else {
serverControl.disableMessageCounters();
}
} else {
// Bug! Someone added the attribute to the set but did not implement
throw MESSAGES.unsupportedRuntimeAttribute(attributeName);
}
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}