PrintTraceIdInterceptor.java

package org.skywalking.apm.toolkit.activation.log.log4j.v1.x;

import org.skywalking.apm.agent.core.context.ContextManager;
import org.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance;
import org.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceMethodsAroundInterceptor;
import org.skywalking.apm.agent.core.plugin.interceptor.enhance.MethodInterceptResult;

/**
 * Created by wusheng on 2016/12/7.
 */
public class PrintTraceIdInterceptor implements InstanceMethodsAroundInterceptor {

    @Override public void beforeMethod(EnhancedInstance objInst, String methodName, Object[] allArguments,
        Class<?>[] argumentsTypes, MethodInterceptResult result) throws Throwable {

    }

    @Override public Object afterMethod(EnhancedInstance objInst, String methodName, Object[] allArguments,
        Class<?>[] argumentsTypes, Object ret) throws Throwable {
        return "TID:" + ContextManager.getGlobalTraceId();
    }

    @Override public void handleMethodException(EnhancedInstance objInst, String methodName, Object[] allArguments,
        Class<?>[] argumentsTypes, Throwable t) {

    }
}