/*
* 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.connector.subsystems.datasources;
import java.sql.Driver;
import java.util.ServiceLoader;
import static org.jboss.as.connector.subsystems.datasources.Constants.*;
import org.jboss.as.controller.BasicOperationResult;
import org.jboss.as.controller.ModelAddOperationHandler;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationResult;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.ResultHandler;
import org.jboss.as.controller.RuntimeTask;
import org.jboss.as.controller.RuntimeTaskContext;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.ADD;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import org.jboss.as.controller.operations.common.Util;
import org.jboss.dmr.ModelNode;
import org.jboss.modules.Module;
import org.jboss.modules.ModuleIdentifier;
import org.jboss.modules.ModuleLoadException;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceRegistry;
/**
* @author John Bailey
*/
public class JdbcDriverRemove implements ModelAddOperationHandler {
static final JdbcDriverRemove INSTANCE = new JdbcDriverRemove();
public OperationResult execute(final OperationContext context, final ModelNode operation, final ResultHandler resultHandler) throws OperationFailedException {
final ModelNode opAddr = operation.require(OP_ADDR);
final PathAddress address = PathAddress.pathAddress(opAddr);
// Compensating is add
final ModelNode model = context.getSubModel();
final ModelNode compensating = Util.getEmptyOperation(ADD, opAddr);
final String moduleName = model.get(MODULE).asString();
compensating.get(MODULE).set(model.get(MODULE));
if (context.getRuntimeContext() != null) {
context.getRuntimeContext().setRuntimeTask(new RuntimeTask() {
public void execute(final RuntimeTaskContext context) throws OperationFailedException {
final ServiceRegistry registry = context.getServiceRegistry();
// Use the module for now. Would be nice to keep the driver info in the model.
final Module module;
try {
module = Module.getCallerModuleLoader().loadModule(ModuleIdentifier.create(moduleName));
} catch (ModuleLoadException e) {
throw new OperationFailedException(e, new ModelNode().set("Failed to load module for driver [" + moduleName + "]"));
}
final ServiceLoader<Driver> serviceLoader = module.loadService(Driver.class);
if (serviceLoader != null) for (Driver driver : serviceLoader) {
final int majorVersion = driver.getMajorVersion();
final int minorVersion = driver.getMinorVersion();
final ServiceName serviceName = ServiceName.JBOSS.append("jdbc-driver", driver.getClass().getName(), Integer.toString(majorVersion), Integer.toString(minorVersion));
final ServiceController<?> controller = registry.getService(serviceName);
if (controller != null) {
controller.addListener(new ResultHandler.ServiceRemoveListener(resultHandler));
}
}
resultHandler.handleResultComplete();
}
});
} else {
resultHandler.handleResultComplete();
}
return new BasicOperationResult(compensating);
}
}