/*
*
* JBoss, Home of Professional Open Source.
* Copyright 2014, 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.remoting;
import org.jboss.as.controller.AbstractAddStepHandler;
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.operations.common.Util;
import org.jboss.as.controller.registry.Resource;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.Property;
/**
* @author Tomaz Cerar (c) 2014 Red Hat Inc.
*/
public class RemotingEndpointAdd extends AbstractAddStepHandler {
public RemotingEndpointAdd() {
super(RemotingEndpointResource.INSTANCE.getAttributes());
}
@Override
protected Resource createResource(OperationContext context) {
// If the resource is already there but empty, just use it
// We do this because RemotingSubsystemAdd/WorkerThreadPoolVsEndpointHandler will end up adding a resource if
// one isn't added in the same op. So if a user adds one in a separate op, we're forgiving about it.
// Mostly we do this to allow transformers tests to pass which call ModelTestUtils.checkFailedTransformedBootOperations
// which calls this OSH in a separate op from the one that calls RemotingSubystemAdd
try {
Resource existing = context.readResourceForUpdate(PathAddress.EMPTY_ADDRESS);
ModelNode existingModel = existing.getModel();
if (!existingModel.isDefined()) {
return existing;
} else {
boolean undefined = true;
for (Property prop : existingModel.asPropertyList()) {
if (prop.getValue().isDefined()) {
undefined = false;
break;
}
}
if (undefined) {
return existing;
}
}
} catch (Resource.NoSuchResourceException ignored) {
//
}
return super.createResource(context);
}
@Override
protected void populateModel(OperationContext context, ModelNode operation, Resource resource) throws OperationFailedException {
super.populateModel(context, operation, resource);
PathAddress pa = PathAddress.pathAddress(operation.get(ModelDescriptionConstants.OP_ADDR));
context.addStep(Util.createOperation("validate-endpoint", pa.subAddress(0, pa.size() - 1)),
WorkerThreadPoolVsEndpointHandler.INSTANCE, OperationContext.Stage.MODEL);
}
@Override
protected void recordCapabilitiesAndRequirements(OperationContext context, ModelNode operation, Resource resource) throws OperationFailedException {
if (!context.isBooting()) {
// During boot WorkerThreadPoolVsEndpointHandler registered a requirement for the default xnio worker
// We no longer require that as we have new configuration.
RemotingEndpointResource.WORKER.removeCapabilityRequirements(context, new ModelNode()); // use an undefined value and WORKER will use its default
}
super.recordCapabilitiesAndRequirements(context, operation, resource);
}
@Override
protected void performRuntime(OperationContext context, ModelNode operation, ModelNode model) throws OperationFailedException {
if (context.getAttachment(RemotingSubsystemAdd.RUNTIME_KEY) == null) {
// We're not running in the same op set as RemotingSubsystemAdd
// See if the config has changed from the default; if so reload is needed
boolean reload = false;
for (AttributeDefinition ad : RemotingEndpointResource.INSTANCE.getAttributes()) {
ModelNode node = model.get(ad.getName());
if (node.isDefined()) {
ModelNode deflt = ad.getDefaultValue();
if (!node.equals(deflt)) {
reload = true;
break;
}
}
}
if (reload) {
context.reloadRequired();
// Signal rollbackRuntime
context.attach(RemotingSubsystemAdd.RUNTIME_KEY, Boolean.TRUE);
}
}
}
@Override
protected void rollbackRuntime(OperationContext context, ModelNode operation, Resource resource) {
Boolean revert = context.getAttachment(RemotingSubsystemAdd.RUNTIME_KEY);
if (revert != null && revert.booleanValue()) {
context.revertReloadRequired();
}
}
}