mesosphere.dcos.hazelcast.DcosHazelcastApp.java Source code

Introduction

Here is the source code for mesosphere.dcos.hazelcast.DcosHazelcastApp.java

Source

/*
 * Copyright 2017 Johannes Unterstein (junterstein@mesosphere.io)
 *
 *
 * 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 mesosphere.dcos.hazelcast;

import com.hazelcast.config.Config;
import com.hazelcast.config.XmlConfigBuilder;
import com.hazelcast.core.Hazelcast;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class DcosHazelcastApp {

    private static final Logger LOG = LoggerFactory.getLogger(DcosHazelcastApp.class);

    public static void main(String[] args) {
        Config config = new XmlConfigBuilder(
                DcosHazelcastApp.class.getClassLoader().getResourceAsStream("dcos-hazelcast.xml")).build();
        setPropertyIfPresent(config, "hazelcast.rest.enabled", "HAZELCAST_REST_ENABLED", "true");
        setPropertyIfPresent(config, "hazelcast.memcache.enabled", "HAZELCAST_MEMCACHE_ENABLED", "false");
        setPropertyIfPresent(config, "hazelcast.initial.min.cluster.size", "HAZELCAST_MIN_CLUSTER_SIZE", "1");
        config.getNetworkConfig().setPort(5701);

        Hazelcast.newHazelcastInstance(config);
    }

    private static void setPropertyIfPresent(Config config, String configParam, String envParam,
            String defaultValue) {
        String env = System.getenv(envParam);
        if (StringUtils.isNotEmpty(env)) {
            config.setProperty(configParam, env);
        } else {
            config.setProperty(configParam, defaultValue);
        }
    }
}