eu.tripledframework.eventbus.autoconfigure.EventBusAutoConfiguration.java Source code

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Here is the source code for eu.tripledframework.eventbus.autoconfigure.EventBusAutoConfiguration.java

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/*
 * Copyright 2015 TripleD framework.
 *
 * 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 eu.tripledframework.eventbus.autoconfigure;

import eu.tripledframework.eventbus.EventBusInterceptor;
import eu.tripledframework.eventbus.internal.domain.AsynchronousEventBus;
import eu.tripledframework.eventbus.internal.domain.SynchronousEventBus;
import eu.tripledframework.eventbus.internal.infrastructure.interceptor.LoggingEventBusInterceptor;
import eu.tripledframework.eventbus.internal.infrastructure.interceptor.SimpleInterceptorChainFactory;
import eu.tripledframework.eventbus.internal.infrastructure.interceptor.ValidatingEventBusInterceptor;
import eu.tripledframework.eventbus.internal.infrastructure.invoker.InMemoryInvokerRepository;
import eu.tripledframework.eventbus.internal.infrastructure.invoker.SimpleInvokerFactory;
import eu.tripledframework.eventbus.internal.infrastructure.unitofwork.DefaultUnitOfWorkFactory;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.Executor;

@Configuration
@EnableConfigurationProperties(EventBusProperties.class)
public class EventBusAutoConfiguration {

    @Bean
    @ConditionalOnMissingBean({ SynchronousEventBus.class, AsynchronousEventBus.class })
    @ConditionalOnProperty(value = "eu.tripledframework.eventbus.mode", havingValue = "sync")
    public SynchronousEventBus synchronousEventBus() {
        List<EventBusInterceptor> interceptors = Arrays.asList(new LoggingEventBusInterceptor(),
                new ValidatingEventBusInterceptor(localValidatorFactoryBean().getValidator()));

        return new SynchronousEventBus(new InMemoryInvokerRepository(),
                new SimpleInterceptorChainFactory(interceptors),
                Collections.singletonList(new SimpleInvokerFactory()), new DefaultUnitOfWorkFactory());
    }

    @Bean
    @ConditionalOnMissingBean({ SynchronousEventBus.class, AsynchronousEventBus.class })
    @ConditionalOnProperty(value = "eu.tripledframework.eventbus.mode", matchIfMissing = true, havingValue = "async")
    public AsynchronousEventBus asynchronousEventBus() {
        List<EventBusInterceptor> interceptors = Arrays.asList(new LoggingEventBusInterceptor(),
                new ValidatingEventBusInterceptor(localValidatorFactoryBean().getValidator()));

        return new AsynchronousEventBus(new InMemoryInvokerRepository(),
                new SimpleInterceptorChainFactory(interceptors),
                Collections.singletonList(new SimpleInvokerFactory()), new DefaultUnitOfWorkFactory(),
                taskExecutor());
    }

    //  @Bean
    //  @ConditionalOnProperty(value = "eu.tripledframework.eventbus.mode", matchIfMissing = true, havingValue = "async")
    private Executor taskExecutor() {
        ThreadPoolTaskExecutor executorService = new ThreadPoolTaskExecutor();
        executorService.setCorePoolSize(5);
        executorService.setMaxPoolSize(10);

        executorService.afterPropertiesSet();
        return executorService;
    }

    @Bean
    @ConditionalOnMissingBean(LocalValidatorFactoryBean.class)
    public LocalValidatorFactoryBean localValidatorFactoryBean() {
        return new LocalValidatorFactoryBean();
    }

}