/*
* 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.wildfly.extension.batch.jberet.deployment;
import java.util.Properties;
import javax.batch.operations.JobOperator;
import org.jboss.as.controller.AttributeDefinition;
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.PathElement;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.wildfly.extension.batch.jberet.BatchServiceNames;
import org.wildfly.extension.batch.jberet._private.BatchLogger;
/**
* A handler to assist with batch operations that require a {@linkplain JobOperator}.
*
* @author <a href="mailto:jperkins@redhat.com">James R. Perkins</a>
*/
abstract class JobOperationStepHandler implements OperationStepHandler {
private final boolean modify;
/**
* Creates a new step handler with a modifiable {@link JobOperator}.
*/
JobOperationStepHandler() {
this(true);
}
/**
* Creates a new step handler.
*
* @param modify {@code true} if the {@link #execute(OperationContext, ModelNode, WildFlyJobOperator)} will modify a job
* repository, {@code false} for a read-only service
*/
JobOperationStepHandler(final boolean modify) {
this.modify = modify;
}
@Override
public final void execute(final OperationContext context, final ModelNode operation) throws OperationFailedException {
context.addStep(this::executeRuntime, OperationContext.Stage.RUNTIME);
}
private void executeRuntime(final OperationContext context, final ModelNode operation) throws OperationFailedException {
final ServiceController<?> controller = context.getServiceRegistry(modify).getService(getServiceName(context));
final WildFlyJobOperator jobOperator = (WildFlyJobOperator) controller.getService();
execute(context, operation, jobOperator);
}
/**
* Executes the step. Includes the {@linkplain JobOperator} for convenience.
*
* @param context the operation context used
* @param operation the operation for the step
* @param jobOperator the job operator
*
* @throws OperationFailedException if there is a step failure
*/
protected abstract void execute(OperationContext context, ModelNode operation, WildFlyJobOperator jobOperator) throws OperationFailedException;
static ModelNode resolveValue(final OperationContext context, final ModelNode operation, final AttributeDefinition attribute) throws OperationFailedException {
final ModelNode value = new ModelNode();
if (operation.has(attribute.getName())) {
value.set(operation.get(attribute.getName()));
}
return attribute.resolveValue(context, value);
}
static Properties resolvePropertyValue(final OperationContext context, final ModelNode operation, final AttributeDefinition attribute) throws OperationFailedException {
// Get the properties
final Properties properties = new Properties();
if (operation.hasDefined(attribute.getName())) {
resolveValue(context, operation, attribute).asPropertyList()
.forEach(p -> properties.put(p.getName(), p.getValue().asString()));
}
return properties;
}
static OperationFailedException createOperationFailure(final Throwable cause) {
final String msg = cause.getLocalizedMessage();
// OperationFailedException's don't log the cause, for debug purposes logging the failure could be useful
BatchLogger.LOGGER.debugf(cause, "Failed to process batch operation: %s", msg);
return new OperationFailedException(msg, cause);
}
private static ServiceName getServiceName(final OperationContext context) {
final PathAddress address = context.getCurrentAddress();
String deploymentName = null;
String subdeploymentName = null;
for (PathElement element : address) {
if (ModelDescriptionConstants.DEPLOYMENT.equals(element.getKey())) {
deploymentName = getRuntimeName(context, element);
} else if (ModelDescriptionConstants.SUBDEPLOYMENT.endsWith(element.getKey())) {
subdeploymentName = element.getValue();
}
}
if (deploymentName == null) {
throw BatchLogger.LOGGER.couldNotFindDeploymentName(address.toString());
}
if (subdeploymentName == null) {
return BatchServiceNames.jobOperatorServiceName(deploymentName);
}
return BatchServiceNames.jobOperatorServiceName(deploymentName, subdeploymentName);
}
private static String getRuntimeName(final OperationContext context, final PathElement element) {
final ModelNode deploymentModel = context.readResourceFromRoot(PathAddress.pathAddress(element), false).getModel();
if (!deploymentModel.hasDefined(ModelDescriptionConstants.RUNTIME_NAME)) {
throw BatchLogger.LOGGER.couldNotFindDeploymentName(context.getCurrentAddress().toString());
}
return deploymentModel.get(ModelDescriptionConstants.RUNTIME_NAME).asString();
}
}