/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, 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.server.deployment.scanner;
import org.jboss.as.controller.BasicOperationResult;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationResult;
import org.jboss.as.controller.RuntimeTask;
import org.jboss.as.controller.RuntimeTaskContext;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import org.jboss.as.controller.ModelUpdateOperationHandler;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.ResultHandler;
import org.jboss.as.server.deployment.scanner.api.DeploymentScanner;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
/**
* Update disabling a {@code DeploymentScanner}.
*
* @author Emanuel Muckenhuber
*/
class DeploymentScannerDisable implements ModelUpdateOperationHandler {
static final DeploymentScannerDisable INSTANCE = new DeploymentScannerDisable();
private DeploymentScannerDisable() {
//
}
/** {@inheritDoc} */
@Override
public OperationResult execute(final OperationContext context, final ModelNode operation, final ResultHandler resultHandler) throws OperationFailedException {
final PathAddress address = PathAddress.pathAddress(operation.require(OP_ADDR));
final String name = address.getLastElement().getValue();
final ModelNode compensatingOperation = new ModelNode();
compensatingOperation.get(OP).set("enable");
compensatingOperation.get(OP_ADDR).set(operation.require(OP_ADDR));
// update the model
context.getSubModel().get(CommonAttributes.SCAN_ENABLED).set(false);
if (context.getRuntimeContext() != null) {
context.getRuntimeContext().setRuntimeTask(new RuntimeTask() {
public void execute(RuntimeTaskContext context) throws OperationFailedException {
final ServiceController<?> controller = context.getServiceRegistry()
.getService(DeploymentScannerService.getServiceName(name));
if (controller == null) {
throw new OperationFailedException(new ModelNode().set("scanner not configured"));
} else {
try {
final DeploymentScanner scanner = (DeploymentScanner) controller.getValue();
scanner.stopScanner();
resultHandler.handleResultComplete();
} catch (Throwable t) {
throw new OperationFailedException(getFailureResult(t));
}
}
}
});
} else {
resultHandler.handleResultComplete();
}
return new BasicOperationResult(compensatingOperation);
}
protected ModelNode getFailureResult(Throwable t) {
final ModelNode node = new ModelNode();
// todo - define this structure
node.get("success").set(false);
do {
final String message = t.getLocalizedMessage();
node.get("cause").add(t.getClass().getName(), message != null ? message : "");
t = t.getCause();
} while (t != null);
return node;
}
}