com.hazelcast.session.JettySessionUtils Maven / Gradle / Ivy

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/*
 * Copyright (c) 2008-2016, Hazelcast, Inc. All Rights Reserved.
 */

package com.hazelcast.session;

import com.hazelcast.client.HazelcastClient;
import com.hazelcast.client.config.ClientConfig;
import com.hazelcast.client.config.XmlClientConfigBuilder;
import com.hazelcast.config.Config;
import com.hazelcast.config.ConfigLoader;
import com.hazelcast.config.XmlConfigBuilder;
import com.hazelcast.core.Hazelcast;
import com.hazelcast.core.HazelcastInstance;

import java.io.IOException;

import static com.hazelcast.util.Preconditions.checkNotNull;

/**
 * Utility class for Jetty Session Replication modules
 */
public final class JettySessionUtils {

    /**
     * The constant DEFAULT_INSTANCE_NAME.
     */
    public static final String DEFAULT_INSTANCE_NAME = "SESSION-REPLICATION-INSTANCE";
    /**
     * The constant DEFAULT_MAP_NAME.
     */
    public static final String DEFAULT_MAP_NAME = "session-replication-map";

    /**
     * The constant DAY_IN_MILLISECONDS.
     */
    public static final int DAY_IN_MILLISECONDS = 24 * 60 * 60 * 1000;
    /**
     * The constant HOUR_IN_MILLISECONDS.
     */
    public static final int HOUR_IN_MILLISECONDS = 60 * 60 * 1000;

    private JettySessionUtils() {
    }

    public static HazelcastInstance createHazelcastClientInstance() {
        return createHazelcastClientInstance(null);
    }

    /**
     * Create a Hazelcast client instance to connect an existing cluster
     * @param configLocation the config location
     * @return the hazelcast instance
     */
    public static HazelcastInstance createHazelcastClientInstance(String configLocation) {
        ClientConfig config;
        try {
            XmlClientConfigBuilder builder;
            if (configLocation == null) {
                builder = new XmlClientConfigBuilder();
            } else {
                builder = new XmlClientConfigBuilder(configLocation);
            }
            config = builder.build();
        } catch (IOException e) {
            throw new RuntimeException("failed to load config", e);
        }

        checkNotNull(config, "failed to find configLocation: " + configLocation);

        return HazelcastClient.newHazelcastClient(config);
    }

    public static HazelcastInstance createHazelcastFullInstance() {
        return createHazelcastFullInstance(null);
    }

    /**
     * Create hazelcast full instance.
     *
     * @param configLocation the config location
     * @return the hazelcast instance
     */
    public static HazelcastInstance createHazelcastFullInstance(String configLocation) {
        Config config;
        try {
            if (configLocation == null) {
                config = new XmlConfigBuilder().build();
            } else {
                config = ConfigLoader.load(configLocation);
            }
        } catch (IOException e) {
            throw new RuntimeException("failed to load config", e);
        }

        checkNotNull(config, "failed to find configLocation: " + configLocation);

        config.setInstanceName(DEFAULT_INSTANCE_NAME);
        return Hazelcast.getOrCreateHazelcastInstance(config);
    }
}