/*
* 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 org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.extension.ExtensionRegistry;
import org.jboss.as.controller.registry.Resource;
import org.jboss.as.controller.transform.Transformers;
import org.jboss.as.host.controller.mgmt.HostInfo;
import org.jboss.dmr.ModelNode;
/**
* Step handler responsible for collecting a complete description of the domain model,
* which is going to be sent back to a remote host-controller. This is called when the
* remote slave boots up or when it reconnects to the DC
*
* @author John Bailey
* @author Kabir Khan
* @author Emanuel Muckenhuber
*/
public class ReadMasterDomainModelHandler implements OperationStepHandler {
public static final String OPERATION_NAME = "read-master-domain-model";
private final HostInfo hostInfo;
private final Transformers transformers;
private final ExtensionRegistry extensionRegistry;
private final boolean lock;
public ReadMasterDomainModelHandler(final HostInfo hostInfo, final Transformers transformers, final ExtensionRegistry extensionRegistry, boolean lock) {
this.hostInfo = hostInfo;
this.transformers = transformers;
this.extensionRegistry = extensionRegistry;
this.lock = lock;
}
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
// if the calling process has already acquired a lock, don't relock.
if (lock) {
context.acquireControllerLock();
}
final Transformers.ResourceIgnoredTransformationRegistry ignoredTransformationRegistry;
final Resource resource = context.readResourceFromRoot(PathAddress.EMPTY_ADDRESS);
// The host info is only null in the tests
if (hostInfo == null) {
ignoredTransformationRegistry = Transformers.DEFAULT;
} else {
final ReadMasterDomainModelUtil.RequiredConfigurationHolder rc = hostInfo.populateRequiredConfigurationHolder(resource, extensionRegistry);
ignoredTransformationRegistry = ReadMasterDomainModelUtil.createHostIgnoredRegistry(hostInfo, rc);
}
final OperationStepHandler handler = new ReadDomainModelHandler(ignoredTransformationRegistry, transformers, lock);
context.addStep(handler, OperationContext.Stage.MODEL);
}
}