com.pronoia.junit.activemq.VmConnectionFactoryUtils Maven / Gradle / Ivy

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A library of JUnit assertions and resources to assist in testing with ActiveMQ clients and brokers.
There is a newer version: 1.0.3
/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 com.pronoia.junit.activemq;

import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.pool.PooledConnectionFactory;

/**
 * Utilities for creating ConnectionFactories for embedded brokers.
 */
public final class VmConnectionFactoryUtils {
    private VmConnectionFactoryUtils() {
        // Unused - utility class
    }

    /**
     * Create an {@link org.apache.activemq.ActiveMQConnectionFactory} for the embedded ActiveMQ Brokers
     *
     * @param embeddedActiveMQBrokers vararg list of EmbeddedActiveMQBrokers
     *
     * @return a new {@link org.apache.activemq.ActiveMQConnectionFactory}
     */
    public static ActiveMQConnectionFactory createConnectionFactoryWithFailover(EmbeddedActiveMQBroker... embeddedActiveMQBrokers) {
        BrokerService[] brokerServices = new BrokerService[embeddedActiveMQBrokers.length];
        for (int i = 0; i < embeddedActiveMQBrokers.length; ++i) {
            brokerServices[i] = embeddedActiveMQBrokers[i].getBrokerService();
        }

        return createConnectionFactoryWithFailover(brokerServices);
    }

    /**
     * Create an {@link org.apache.activemq.pool.PooledConnectionFactory} for the embedded ActiveMQ Broker
     *
     * @param embeddedActiveMQBrokers vararg list of EmbeddedActiveMQBrokers
     *
     * @return a new {@link org.apache.activemq.pool.PooledConnectionFactory}
     */
    public static PooledConnectionFactory createPooledConnectionFactoryWithFailover(EmbeddedActiveMQBroker... embeddedActiveMQBrokers) {
        return new PooledConnectionFactory(createConnectionFactoryWithFailover(embeddedActiveMQBrokers));
    }

    /**
     * Create an {@link org.apache.activemq.pool.PooledConnectionFactory} for the embedded ActiveMQ Broker
     *
     * @param brokerServices vararg list of BrokerServices
     *
     * @return a new {@link org.apache.activemq.pool.PooledConnectionFactory}
     */
    public static ActiveMQConnectionFactory createConnectionFactoryWithFailover(BrokerService... brokerServices) {
        ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory();

        if (brokerServices.length == 1) {
            connectionFactory.setBrokerURL(String.format("failover:(%s?create=false)", brokerServices[0].getVmConnectorURI().toString()));
        } else {
            StringBuilder urlBuilder = new StringBuilder();

            urlBuilder.append("failover:(");
            for (int i = 0; i < brokerServices.length; ++i) {
                urlBuilder.append(brokerServices[i].getVmConnectorURI().toString());
                urlBuilder.append("?create=false");
                if (i < brokerServices.length - 1) {
                    urlBuilder.append(",");
                }
            }
            urlBuilder.append(")?randomize=false");

            connectionFactory.setBrokerURL(urlBuilder.toString());
        }

        return connectionFactory;
    }

    /**
     * Create an {@link org.apache.activemq.pool.PooledConnectionFactory} for the embedded ActiveMQ Broker
     *
     * @param brokerServices vararg list of BrokerServices
     *
     * @return a new {@link org.apache.activemq.pool.PooledConnectionFactory}
     */
    public static PooledConnectionFactory createPooledConnectionFactoryWithFailover(BrokerService... brokerServices) {
        return new PooledConnectionFactory(createConnectionFactoryWithFailover(brokerServices));
    }

}