JdbcJobRepositoryDefinition.java example

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wildfly-master
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 * as indicated by the @author tags. See the copyright.txt file in the
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 *
 * 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
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 *
 * This software is distributed in the hope that it will be useful,
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
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 * License along with this software; if not, write to the Free
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package org.wildfly.extension.batch.jberet.job.repository;

import javax.sql.DataSource;

import org.jberet.repository.JobRepository;
import org.jboss.as.controller.AbstractAddStepHandler;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.ReloadRequiredRemoveStepHandler;
import org.jboss.as.controller.ReloadRequiredWriteAttributeHandler;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
import org.jboss.as.controller.SimpleResourceDefinition;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.as.server.Services;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
import org.jboss.msc.service.ServiceTarget;
import org.wildfly.extension.batch.jberet.BatchResourceDescriptionResolver;
import org.wildfly.extension.batch.jberet._private.Capabilities;

/**
 * Represents a JDBC job repository.
 *
 * @author <a href="mailto:jperkins@redhat.com">James R. Perkins</a>
 */
public class JdbcJobRepositoryDefinition extends SimpleResourceDefinition {

    public static final String NAME = "jdbc-job-repository";
    static final PathElement PATH = PathElement.pathElement(NAME);

    /**
     * A data-source attribute which requires the {@link Capabilities#DATA_SOURCE_CAPABILITY}.
     */
    public static final SimpleAttributeDefinition DATA_SOURCE = SimpleAttributeDefinitionBuilder.create("data-source", ModelType.STRING, false)
            .setCapabilityReference(Capabilities.DATA_SOURCE_CAPABILITY, Capabilities.JOB_REPOSITORY_CAPABILITY.getName(), true)
            .setRestartAllServices()
            .build();

    public JdbcJobRepositoryDefinition() {
        super(PATH, BatchResourceDescriptionResolver.getResourceDescriptionResolver(NAME), new JdbcRepositoryAddHandler(),
                new ReloadRequiredRemoveStepHandler(Capabilities.JOB_REPOSITORY_CAPABILITY));
    }

    @Override
    public void registerAttributes(final ManagementResourceRegistration resourceRegistration) {
        super.registerAttributes(resourceRegistration);
        resourceRegistration.registerReadWriteAttribute(DATA_SOURCE, null, new ReloadRequiredWriteAttributeHandler(DATA_SOURCE));
    }

    private static class JdbcRepositoryAddHandler extends AbstractAddStepHandler {

        JdbcRepositoryAddHandler() {
            super(Capabilities.JOB_REPOSITORY_CAPABILITY, DATA_SOURCE);
        }

        @Override
        protected void performRuntime(final OperationContext context, final ModelNode operation, final ModelNode model) throws OperationFailedException {
            super.performRuntime(context, operation, model);
            final String name = context.getCurrentAddressValue();
            final String dsName = DATA_SOURCE.resolveModelAttribute(context, model).asString();
            final ServiceTarget target = context.getServiceTarget();
            final JdbcJobRepositoryService service = new JdbcJobRepositoryService();
            Services.addServerExecutorDependency(
                    target.addService(context.getCapabilityServiceName(Capabilities.JOB_REPOSITORY_CAPABILITY.getName(), name, JobRepository.class), service),
                    service.getExecutorServiceInjector())
                    .addDependency(context.getCapabilityServiceName(Capabilities.DATA_SOURCE_CAPABILITY, dsName, DataSource.class), DataSource.class, service.getDataSourceInjector())
                    .install();
        }
    }
}