org.bremersee.common.spring.autoconfigure.SchedulingAutoConfiguration.java Source code

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Here is the source code for org.bremersee.common.spring.autoconfigure.SchedulingAutoConfiguration.java

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/*
 * Copyright 2016 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.bremersee.common.spring.autoconfigure;

import java.util.concurrent.Executor;
import java.util.concurrent.Executors;

import javax.annotation.PostConstruct;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.aop.interceptor.AsyncUncaughtExceptionHandler;
import org.springframework.aop.interceptor.SimpleAsyncUncaughtExceptionHandler;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfigureBefore;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.scheduling.annotation.AsyncConfigurer;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.annotation.SchedulingConfigurer;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.scheduling.config.ScheduledTaskRegistrar;

/**
 * @author Christian Bremer
 *
 */
@Configuration
@AutoConfigureBefore(name = "org.springframework.boot.actuate.autoconfigure.MetricRepositoryAutoConfiguration")
@EnableAsync
@EnableScheduling
@EnableConfigurationProperties(SchedulingProperties.class)
public class SchedulingAutoConfiguration implements AsyncConfigurer, SchedulingConfigurer {

    protected final Logger log = LoggerFactory.getLogger(getClass());

    @Autowired
    protected SchedulingProperties properties;

    @PostConstruct
    public void init() {
        // @formatter:off
        log.info("\n" + "**********************************************************************\n"
                + "*  Scheduling Auto Configuration                                     *\n"
                + "**********************************************************************\n" + "properties = "
                + properties + "\n" + "**********************************************************************");
        // @formatter:on
    }

    @Bean
    public Executor taskScheduler() {
        return Executors.newScheduledThreadPool(properties.getScheduledThreadPool());
    }

    @Override
    public Executor getAsyncExecutor() {
        return taskExecutor();
    }

    @Override
    public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() {
        return new SimpleAsyncUncaughtExceptionHandler();
    }

    @Override
    public void configureTasks(ScheduledTaskRegistrar taskRegistrar) {
        taskRegistrar.setScheduler(taskScheduler());
    }

    @Bean(name = { "taskExecutor", "metricsExecutor" })
    @Primary
    public Executor taskExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(properties.getTaskExecutorCorePoolSize());
        executor.setMaxPoolSize(properties.getTaskExecutorMaxPoolSize());
        executor.setQueueCapacity(properties.getTaskExecutorQueueCapacity());
        executor.setThreadNamePrefix(properties.getTaskExecutorThreadNamePrefix());
        executor.initialize();
        return executor;
    }

}