com.codingapi.springboot.framework.event.SpringEventHandler Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of springboot-starter Show documentation

springboot-starter project for Spring Boot

The newest version!

package com.codingapi.springboot.framework.event;

import lombok.extern.slf4j.Slf4j;
import org.springframework.context.ApplicationListener;

import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

/**
 * handler订阅的Spring触发器,在异步的情况下可配置多线程。
 */
@Slf4j
public class SpringEventHandler implements ApplicationListener {

    /**
     * 异步多线程的KEY
     * 可通过 System.setProperty(THREAD_KEY,"20") 调整线程数
     */
    public final static String THREAD_KEY = "Handler.ThreadPools";

    private final ExecutorService executorService = Executors.newFixedThreadPool(Integer.parseInt(System.getProperty(THREAD_KEY, "10")));

    public SpringEventHandler(List handlers) {
        ApplicationHandlerUtils.getInstance().addHandlers(handlers);
    }

    @Override
    public void onApplicationEvent(DomainEvent domainEvent) {
        String traceId = domainEvent.getTraceId();

        if (domainEvent.isSync()) {
            try {
                EventTraceContext.getInstance().createEventKey(traceId);
                ApplicationHandlerUtils.getInstance().handler(domainEvent.getEvent());
            } finally {
                EventTraceContext.getInstance().checkEventState();
            }
        } else {
            executorService.execute(() -> {
                try {
                    EventTraceContext.getInstance().createEventKey(traceId);
                    ApplicationHandlerUtils.getInstance().handler(domainEvent.getEvent());
                } finally {
                    EventTraceContext.getInstance().checkEventState();
                }
            });
        }
    }

}