com.godmonth.util.lock.advices.AlwaysLockAdvice Maven / Gradle / Ivy
package com.godmonth.util.lock.advices;
import org.apache.curator.framework.recipes.locks.InterProcessMutex;
import org.aspectj.lang.ProceedingJoinPoint;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
public class AlwaysLockAdvice implements InitializingBean, DisposableBean {
private InterProcessMutex interProcessMutex;
private static final Logger logger = LoggerFactory.getLogger(AlwaysLockAdvice.class);
public Object lock(ProceedingJoinPoint joinPoint) throws Throwable {
if (interProcessMutex.isAcquiredInThisProcess()) {
logger.debug("grant processing");
return joinPoint.proceed();
} else {
return null;
}
}
public void setInterProcessMutex(InterProcessMutex interProcessMutex) {
this.interProcessMutex = interProcessMutex;
}
@Override
public void destroy() throws Exception {
interProcessMutex.release();
}
@Override
public void afterPropertiesSet() throws Exception {
interProcessMutex.acquire();
}
}