/*
* 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.domain.controller.operations;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.HOST;
import java.util.Set;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.registry.Resource;
import org.jboss.as.controller.transform.Transformers;
import org.jboss.as.domain.controller.operations.deployment.SyncModelParameters;
/**
* This operation handler is only getting executed on a slave host-controller, synchronizing the model for a
* single server or server-group, which gets executed when a part of the model is missing. This handler only works on
* a subset of the domain model and takes the server-group and an optional socket-binding-group parameter into account,
* filtering out any other information. Additionally this only gets used when the slave is automatically ignoring unused
* configuration.
*
* @author Emanuel Muckenhuber
*/
public class SyncServerGroupOperationHandler extends SyncModelHandlerBase {
private final String localHostName;
private final Resource originalModel;
private final SyncModelParameters parameters;
public SyncServerGroupOperationHandler(String localHostName, Resource originalDomainModel,
SyncModelParameters parameters) {
super(parameters);
this.localHostName = localHostName;
this.originalModel = originalDomainModel;
this.parameters = parameters;
}
/**
* For the local model we include both the original as well as the remote model. The diff will automatically remove
* not used configuration.
*
* @param context the operation context
* @param remote the remote model
* @param remoteExtensions the extension registry
* @return
*/
@Override
Transformers.ResourceIgnoredTransformationRegistry createRegistry(OperationContext context, Resource remote, Set<String> remoteExtensions) {
final ReadMasterDomainModelUtil.RequiredConfigurationHolder rc = new ReadMasterDomainModelUtil.RequiredConfigurationHolder();
final PathElement host = PathElement.pathElement(HOST, localHostName);
final Resource hostModel = context.readResourceFromRoot(PathAddress.EMPTY_ADDRESS.append(host));
final Resource original = this.originalModel;
// Process the required using the remote model to include content which may not be available locally
ReadMasterDomainModelUtil.processHostModel(rc, remote, hostModel, parameters.getExtensionRegistry());
// Process the original
ReadMasterDomainModelUtil.processHostModel(rc, original, original.getChild(host), parameters.getExtensionRegistry());
final Transformers.ResourceIgnoredTransformationRegistry delegate = new Transformers.ResourceIgnoredTransformationRegistry() {
@Override
public boolean isResourceTransformationIgnored(PathAddress address) {
return parameters.getIgnoredResourceRegistry().isResourceExcluded(address);
}
};
return ReadMasterDomainModelUtil.createServerIgnoredRegistry(rc, delegate);
}
}