CamelBootstrapService.java

/*
 * #%L
 * Wildfly Camel :: Subsystem
 * %%
 * Copyright (C) 2013 - 2014 RedHat
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

package org.wildfly.extension.camel.service;

import static org.wildfly.extension.camel.CamelLogger.LOGGER;

import org.jboss.gravia.runtime.Runtime;
import org.jboss.msc.service.AbstractService;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceContainer;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.value.InjectedValue;
import org.wildfly.extension.camel.CamelConstants;
import org.wildfly.extension.gravia.GraviaConstants;

/**
 * Service responsible for creating and managing the life-cycle of the Camel
 * subsystem.
 *
 * @author Thomas.Diesler@jboss.com
 * @since 19-Apr-2013
 */
public final class CamelBootstrapService extends AbstractService<Void> {

    private final InjectedValue<Runtime> injectedRuntime = new InjectedValue<Runtime>();

    public static ServiceController<Void> addService(ServiceTarget serviceTarget) {
        CamelBootstrapService service = new CamelBootstrapService();
        ServiceBuilder<Void> builder = serviceTarget.addService(CamelConstants.CAMEL_SUBSYSTEM_SERVICE_NAME, service);
        builder.addDependency(GraviaConstants.RUNTIME_SERVICE_NAME, Runtime.class, service.injectedRuntime);
        return builder.install();
    }

    // Hide ctor
    private CamelBootstrapService() {
    }

    @Override
    public void start(StartContext startContext) throws StartException {
        LOGGER.info("Activating Camel Subsystem");

        // Register the jboss-msc service container
        Runtime runtime = injectedRuntime.getValue();
        ServiceContainer service = startContext.getController().getServiceContainer();
        runtime.getModuleContext().registerService(ServiceContainer.class, service, null);
    }
}