org.stackoverflow.questions.xml_to_javaconfig.server.SpringBootGemFireServerApplication.java Source code

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Here is the source code for org.stackoverflow.questions.xml_to_javaconfig.server.SpringBootGemFireServerApplication.java

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/*
 * Copyright 2014-present the original author or authors.
 *
 * 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.stackoverflow.questions.xml_to_javaconfig.server;

import java.util.Properties;
import java.util.concurrent.TimeUnit;

import com.gemstone.gemfire.cache.Cache;
import com.gemstone.gemfire.cache.CacheLoader;
import com.gemstone.gemfire.cache.CacheLoaderException;
import com.gemstone.gemfire.cache.LoaderHelper;

import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.data.gemfire.CacheFactoryBean;
import org.springframework.data.gemfire.PartitionedRegionFactoryBean;
import org.springframework.data.gemfire.server.CacheServerFactoryBean;

/**
 * The SpringBootGemFireServerApplication class is a Spring Boot application that configures and bootstraps
 * a GemFire Server.
 *
 * @author John Blum
 * @see org.springframework.boot.SpringApplication
 * @see org.springframework.boot.autoconfigure.SpringBootApplication
 * @see com.gemstone.gemfire.cache.Cache
 * @link http://stackoverflow.com/questions/38431885/java-config-for-spring-gemfire-xml
 * @since 1.0.0
 */
@SpringBootApplication
@SuppressWarnings("unused")
public class SpringBootGemFireServerApplication {

    protected static final String DEFAULT_GEMFIRE_LOG_LEVEL = "config";

    public static void main(String[] args) {
        SpringApplication.run(SpringBootGemFireServerApplication.class, args);
    }

    int intValue(Long value) {
        return value.intValue();
    }

    String applicationName() {
        return SpringBootGemFireServerApplication.class.getSimpleName();
    }

    String logLevel() {
        return System.getProperty("gemfire.log-level", DEFAULT_GEMFIRE_LOG_LEVEL);
    }

    @Bean
    Properties gemfireProperties(@Value("${gemfire.locator.host-port:localhost[10334]}") String locatorHostPort,
            @Value("${gemfire.manager.port:1099}") String managerPort) {

        Properties gemfireProperties = new Properties();

        gemfireProperties.setProperty("name", applicationName());
        gemfireProperties.setProperty("mcast-port", "0");
        gemfireProperties.setProperty("log-level", logLevel());
        gemfireProperties.setProperty("jmx-manager", "true");
        gemfireProperties.setProperty("jmx-manager-port", managerPort);
        gemfireProperties.setProperty("start-locator", locatorHostPort);

        return gemfireProperties;
    }

    @Bean
    CacheFactoryBean gemfireCache(@Qualifier("gemfireProperties") Properties gemfireProperties) {
        CacheFactoryBean gemfireCache = new CacheFactoryBean();

        gemfireCache.setClose(true);
        gemfireCache.setProperties(gemfireProperties);

        return gemfireCache;
    }

    @Bean
    CacheServerFactoryBean gemfireCacheServer(Cache gemfireCache,
            @Value("${gemfire.cache.server.bind-address:localhost}") String bindAddress,
            @Value("${gemfire.cache.server.hostname-for-clients:localhost}") String hostnameForClients,
            @Value("${gemfire.cache.server.port:40404}") int port) {

        CacheServerFactoryBean gemfireCacheServer = new CacheServerFactoryBean();

        gemfireCacheServer.setCache(gemfireCache);
        gemfireCacheServer.setAutoStartup(true);
        gemfireCacheServer.setBindAddress(bindAddress);
        gemfireCacheServer.setHostNameForClients(hostnameForClients);
        gemfireCacheServer.setMaxConnections(50);
        gemfireCacheServer.setMaxTimeBetweenPings(intValue(TimeUnit.SECONDS.toMillis(60)));
        gemfireCacheServer.setPort(port);

        return gemfireCacheServer;
    }

    @Bean(name = "Echo")
    PartitionedRegionFactoryBean<Object, Object> echoRegion(Cache gemfireCache) {
        PartitionedRegionFactoryBean<Object, Object> echoRegion = new PartitionedRegionFactoryBean<>();

        echoRegion.setCache(gemfireCache);
        echoRegion.setCacheLoader(echoCacheLoader());
        echoRegion.setClose(false);
        echoRegion.setPersistent(false);

        return echoRegion;
    }

    CacheLoader<Object, Object> echoCacheLoader() {
        return new CacheLoader<Object, Object>() {

            @Override
            public Object load(LoaderHelper<Object, Object> helper) throws CacheLoaderException {
                return helper.getKey();
            }

            @Override
            public void close() {
            }
        };
    }
}