Java tutorial
/* * Copyright 2015 PayU * * 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 com.payu.ratel.config.beans; import org.springframework.beans.factory.InitializingBean; import org.springframework.beans.factory.config.ConfigurableListableBeanFactory; import org.springframework.core.env.Environment; import org.springframework.scheduling.TaskScheduler; import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler; import com.payu.ratel.client.ClientProxyGenerator; import com.payu.ratel.client.inmemory.DiscoveryClient; import com.payu.ratel.client.inmemory.RatelServerFetcher; import com.payu.ratel.client.inmemory.RatelServerProxyGenerator; import com.payu.ratel.register.inmemory.RatelServerRegistry; import com.payu.ratel.register.inmemory.RemoteRestDiscoveryServer; public class InMemoryRegistryBeanProviderFactory implements RegistryStrategiesProvider, InitializingBean { private static final String DEFAULT_DISCOVERY_URL = "http://localhost:8090/server/discovery"; private final ConfigurableListableBeanFactory beanFactory; private RatelServerRegistry ratelServerRegistry; private ClientProxyGenerator ratelServerProxyGenerator; private RatelServerFetcher ratelServerFetcher; public InMemoryRegistryBeanProviderFactory(ConfigurableListableBeanFactory beanFactory) { this.beanFactory = beanFactory; } @Override public void afterPropertiesSet() { final Environment env = beanFactory.getBean(Environment.class); TaskScheduler taskScheduler = new ThreadPoolTaskScheduler(); final String schedulerBeanName = taskScheduler.getClass().getName(); beanFactory.registerSingleton(schedulerBeanName, taskScheduler); beanFactory.initializeBean(taskScheduler, schedulerBeanName); final String inMemoryServerAddress = getRatelServiceAddress(env); final DiscoveryClient discoveryClient = new DiscoveryClient(inMemoryServerAddress); this.ratelServerFetcher = new RatelServerFetcher(discoveryClient); this.ratelServerProxyGenerator = new RatelServerProxyGenerator(beanFactory); this.ratelServerRegistry = new RatelServerRegistry(new RemoteRestDiscoveryServer(inMemoryServerAddress), taskScheduler); } private String getRatelServiceAddress(final Environment env) { final String inMemoryServerAddress = env.getProperty(RegistryBeanProviderFactory.SERVICE_DISCOVERY_ADDRESS, DEFAULT_DISCOVERY_URL); return inMemoryServerAddress; } public RatelServerRegistry getRegisterStrategy() { return ratelServerRegistry; } public ClientProxyGenerator getClientProxyGenerator() { return ratelServerProxyGenerator; } public RatelServerFetcher getFetchStrategy() { return ratelServerFetcher; } @SuppressWarnings("PMD.SignatureDeclareThrowsException") @Override public void destroy() throws Exception { //Not supported for this strategy } }