AsyncConfiguration.java

package io.github.jhipster.sample.config;

/*-
 * #%L
 * Jhipster Sample Application
 * %%
 * Copyright (C) 2017 Osgiliath
 * %%
 * 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.
 * #L%
 */

import io.github.jhipster.async.ExceptionHandlingAsyncTaskExecutor;
import io.github.jhipster.config.JHipsterProperties;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.aop.interceptor.AsyncUncaughtExceptionHandler;
import org.springframework.aop.interceptor.SimpleAsyncUncaughtExceptionHandler;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.*;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.Executor;

@Configuration
@EnableAsync
@EnableScheduling
public class AsyncConfiguration implements AsyncConfigurer {

    private final Logger log = LoggerFactory.getLogger(AsyncConfiguration.class);

    private final JHipsterProperties jHipsterProperties;

    public AsyncConfiguration(JHipsterProperties jHipsterProperties) {
        this.jHipsterProperties = jHipsterProperties;
    }

    @Override
    @Bean(name = "taskExecutor")
    public Executor getAsyncExecutor() {
        log.debug("Creating Async Task Executor");
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(jHipsterProperties.getAsync().getCorePoolSize());
        executor.setMaxPoolSize(jHipsterProperties.getAsync().getMaxPoolSize());
        executor.setQueueCapacity(jHipsterProperties.getAsync().getQueueCapacity());
        executor.setThreadNamePrefix("jhipster-sample-application-Executor-");
        return new ExceptionHandlingAsyncTaskExecutor(executor);
    }

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