cn.bctools.database.interceptor.performance

类 SQLPerformanceInterceptor

java.lang.Object

cn.bctools.database.interceptor.performance.SQLPerformanceInterceptor

所有已实现的接口:

org.apache.ibatis.plugin.Interceptor

@Signature(type=org.apache.ibatis.executor.statement.StatementHandler.class,method="query",args={java.sql.Statement.class,org.apache.ibatis.session.ResultHandler.class}) @Signature(type=org.apache.ibatis.executor.statement.StatementHandler.class,method="update",args=java.sql.Statement.class) @Signature(type=org.apache.ibatis.executor.statement.StatementHandler.class,method="batch",args=java.sql.Statement.class)
 @Configuration
 @RefreshScope
public class SQLPerformanceInterceptor
extends Object
implements org.apache.ibatis.plugin.Interceptor

性能分析拦截器，用于输出每条 SQL 语句及其执行时间

作者:

guojing

字段概要

字段

限定符和类型	字段和说明
private static String	DRUID_POOLED_PREPARED_STATEMENT
private Method	druidGetSqlMethod
private static String	ORACLE_PREPARED_STATEMENT_WRAPPER
private Method	oracleGetOriginalSqlMethod
(专用程序包) SqlProperties	sqlProperties
private static String	T4C_PREPARED_STATEMENT

构造器概要

构造器

构造器和说明
SQLPerformanceInterceptor()

方法概要

限定符和类型	方法和说明
private List<Map<String,Object>>	getAccessType(String originalSql, org.springframework.jdbc.core.JdbcTemplate jdbcTemplate)
Method	getMethodRegular(Class<?> clazz, String methodName) 获取此方法名的具体 Method
private String	getSql(org.apache.ibatis.plugin.Invocation invocation) 拼装SQL
private int	indexOfSqlStart(String sql) 获取sql语句开头部分
Object	intercept(org.apache.ibatis.plugin.Invocation invocation)
void	logRecord(String originalSql, Object targetR, List<Map<String,Object>> accessType, long start, long end, long timing) 记录日志
Object	plugin(Object target)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 org.apache.ibatis.plugin.Interceptor

setProperties

字段详细资料

DRUID_POOLED_PREPARED_STATEMENT

private static final String DRUID_POOLED_PREPARED_STATEMENT

另请参阅:

常量字段值

T4C_PREPARED_STATEMENT

private static final String T4C_PREPARED_STATEMENT

另请参阅:

常量字段值

ORACLE_PREPARED_STATEMENT_WRAPPER

private static final String ORACLE_PREPARED_STATEMENT_WRAPPER

另请参阅:

常量字段值

oracleGetOriginalSqlMethod

private Method oracleGetOriginalSqlMethod

druidGetSqlMethod

private Method druidGetSqlMethod

sqlProperties

SqlProperties sqlProperties

构造器详细资料

SQLPerformanceInterceptor

public SQLPerformanceInterceptor()

方法详细资料

intercept

public Object intercept(org.apache.ibatis.plugin.Invocation invocation)
                 throws Throwable

指定者:

intercept 在接口中 org.apache.ibatis.plugin.Interceptor

抛出:

Throwable

getAccessType

private List<Map<String,Object>> getAccessType(String originalSql,
                                               org.springframework.jdbc.core.JdbcTemplate jdbcTemplate)

logRecord

@Async
public void logRecord(String originalSql,
                              Object targetR,
                              List<Map<String,Object>> accessType,
                              long start,
                              long end,
                              long timing)

记录日志

参数:

originalSql - 执行的SQL

targetR - 传递的参数对象

start - 开始的时间戳

end - 结束的时间戳

timing - 消耗时间

getSql

private String getSql(org.apache.ibatis.plugin.Invocation invocation)

拼装SQL

参数:

invocation -

返回:

plugin

public Object plugin(Object target)

指定者:

plugin 在接口中 org.apache.ibatis.plugin.Interceptor

getMethodRegular

public Method getMethodRegular(Class<?> clazz,
                               String methodName)

获取此方法名的具体 Method

参数:

clazz - class 对象

methodName - 方法名

返回:

方法

indexOfSqlStart

private int indexOfSqlStart(String sql)

获取sql语句开头部分

参数:

sql - ignore

返回:

ignore