/*
* 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.controller;
import org.jboss.as.controller.SynchronousOperationSupport.AsynchronousOperationController;
import org.jboss.as.controller.client.Operation;
import org.jboss.dmr.ModelNode;
/**
* Abstract superclass for {@link ModelController} implementations.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
* @author <a href="mailto:david.lloyd@redhat.com">David M. Lloyd</a>
*/
public abstract class AbstractModelController<T> implements ModelController, AsynchronousOperationController<T> {
/** {@inheritDoc} */
@Override
public ModelNode execute(final Operation operation) {
return SynchronousOperationSupport.execute(operation, getOperationControllerContext(operation), this);
}
/** {@inheritDoc} */
@Override
public OperationResult execute(final Operation operation, final ResultHandler handler) {
return execute(operation, handler, getOperationControllerContext(operation));
}
/**
* Gets the handback object to pass to {@link #execute(Operation, ResultHandler, Object)}
*
* @param operation the operation being executed
*
* @return the handback
*/
protected abstract T getOperationControllerContext(Operation operation);
/**
* Get a failure result from a throwable exception.
*
* @param t the exception
* @return the failure result
*/
protected ModelNode getFailureResult(Throwable t) {
final ModelNode node = new ModelNode();
// todo - define this structure
do {
final String message = t.getLocalizedMessage();
node.add(t.getClass().getName(), message != null ? message : "");
t = t.getCause();
} while (t != null);
return node;
}
}