/*
* JBoss, Home of Professional Open Source.
* Copyright 2015, 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.patching.management;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathElement;
import org.jboss.as.patching.Constants;
import org.jboss.as.patching.PatchingException;
import org.jboss.as.patching.installation.InstallationManager;
import org.jboss.as.patching.installation.InstallationManagerService;
import org.jboss.as.patching.installation.InstalledIdentity;
import org.jboss.as.patching.logging.PatchLogger;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
/**
*
* @author Alexey Loubyansky
*/
abstract class PatchStreamResourceOperationStepHandler implements OperationStepHandler {
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
context.acquireControllerLock();
execute(context, operation, getInstallationManager(context), getPatchStreamName(context));
}
protected String getPatchStreamName(OperationContext context) {
final PathElement stream = context.getCurrentAddress().getLastElement();
final String streamName;
if(Constants.PATCH_STREAM.equals(stream.getKey())) {
streamName = stream.getValue();
} else {
streamName = null;
}
return streamName;
}
protected void execute(OperationContext context, ModelNode operation, InstallationManager instMgr, String patchStream) throws OperationFailedException {
final InstalledIdentity installedIdentity;
if(patchStream != null) {
try {
installedIdentity = instMgr.getInstalledIdentity(patchStream, null);
} catch (PatchingException e) {
throw new OperationFailedException(PatchLogger.ROOT_LOGGER.failedToLoadInfo(patchStream), e);
}
} else {
installedIdentity = instMgr.getDefaultIdentity();
}
execute(context, operation, installedIdentity);
}
protected void execute(OperationContext context, ModelNode operation, InstalledIdentity installedIdentity) throws OperationFailedException {
throw new UnsupportedOperationException();
}
protected InstallationManager getInstallationManager(OperationContext ctx) {
final ServiceController<?> imController = ctx.getServiceRegistry(false).getRequiredService(InstallationManagerService.NAME);
while (imController != null && imController.getState() == ServiceController.State.UP) {
try {
return (InstallationManager) imController.getValue();
} catch (IllegalStateException e) {
// ignore, caused by race from WFLY-3505
}
}
return null;
}
}