程序包 com.mysql.cj.callback

接口 MysqlCallbackHandler

函数接口:

这是一个函数接口, 因此可用作 lambda 表达式或方法引用的赋值目标。

@FunctionalInterface
public interface MysqlCallbackHandler

A functional interface for implementing callback handlers. The single method handle(MysqlCallback) is called by the classes where the callback handler is passed when they need to share data with the caller. The kind of data to exchange depends on the implementations of MysqlCallback they choose to use.

方法概要

修饰符和类型	方法	说明
void	handle(MysqlCallback cb)	Exchanges information between the caller of this method and the owner of the MysqlCallbackHandler instance.

方法详细资料

handle

void handle(MysqlCallback cb)

Exchanges information between the caller of this method and the owner of the MysqlCallbackHandler instance. The method can be called multiple times with different callback implementations to exchange different types of information. A typical MysqlCallbackHandler implementation looks like:

 private MysqlCallbackHandler callbackHandler = (cb) -> {
     if (cb instanceof UsernameCallback) {
         this.username = ((UsernameCallback) cb).getUsername();
     }
 };
 

参数:

cb -