org.wildfly.swarm.messaging.MessagingFraction Maven / Gradle / Ivy

Go to download
/**
 * Copyright 2015-2016 Red Hat, Inc, and individual contributors.
 *
 * 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.
 */
package org.wildfly.swarm.messaging;

import org.wildfly.swarm.config.MessagingActiveMQ;
import org.wildfly.swarm.spi.api.Fraction;
import org.wildfly.swarm.spi.api.annotations.Configuration;
import org.wildfly.swarm.spi.api.annotations.Default;

/**
 * @author Bob McWhirter
 * @author Lance Ball
 */
@Configuration(
        marshal = true,
        extension = "org.wildfly.extension.messaging-activemq",
        deploymentModules = { "javax.jms.api" }
)
public class MessagingFraction extends MessagingActiveMQ implements Fraction {

    /** Construct a completely unconfigured and empty fraction.
     */
    public MessagingFraction() {
    }

    /** Create a fraction with the default local server.
     *
     * @return This fraction.
     */
    @Default
    public static MessagingFraction createDefaultFraction() {
        return new MessagingFraction().defaultServer();
    }

    /** Create a fraction and configure the default local server.
     *
     * @param config The configurator.
     * @return This fraction.
     */
    public static MessagingFraction createDefaultFraction(EnhancedServerConsumer config) {
        return new MessagingFraction().defaultServer(config);
    }

    /** Create the default local server if required.
     *
     * @return This fraction.
     */
    public MessagingFraction defaultServer() {
        findOrCreateDefaultServer();

        return this;
    }

    /** Configure the default local server, creating it first if required.
     *
     * @param config The configurator.
     * @return This fraction.
     */
    public MessagingFraction defaultServer(EnhancedServerConsumer config) {
        config.accept(findOrCreateDefaultServer());

        return this;
    }

    /** Configure a named server.
     *
     * @param childKey The key (name) of the server.
     * @param config The configurator.
     * @return This fraction.
     */
    public MessagingFraction server(String childKey, EnhancedServerConsumer config) {
        super.server(() -> {
            final EnhancedServer s = new EnhancedServer(childKey);
            config.accept(s);

            return s;
        });

        return this;
    }

    private EnhancedServer findOrCreateDefaultServer() {
        EnhancedServer server = (EnhancedServer) subresources().server("default");
        if (server == null) {
            server("default", EnhancedServer::enableInVm);
        }

        return (EnhancedServer) subresources().server("default");
    }
}