cn.schoolwow.quickdao.builder

类 AbstractSQLBuilder

java.lang.Object

cn.schoolwow.quickdao.builder.AbstractSQLBuilder

所有已实现的接口:

SQLBuilder

直接已知子类:

AbstractDCLBuilder, AbstractDDLBuilder, AbstractDMLBuilder, AbstractDQLBuilder

public class AbstractSQLBuilder
extends Object
implements SQLBuilder

字段概要

字段

限定符和类型	字段和说明
ConnectionExecutor	connectionExecutor SQL语句执行器
protected static org.slf4j.Logger	logger
protected static String	PLACEHOLDER SQL参数占位符
QuickDAOConfig	quickDAOConfig 数据库信息对象

构造器概要

构造器

构造器和说明
AbstractSQLBuilder(QuickDAOConfig quickDAOConfig)

方法概要

限定符和类型	方法和说明
protected Field	getFieldFromInstance(Object instance, Property property) 从实例从获取参数
protected static void	replaceFirst(StringBuilder sqlBuilder, String parameter) 替换SQL语句的第一个占位符
ConnectionExecutorItem	selectCountById(Object instance) 根据唯一性约束查询
ConnectionExecutorItem	selectCountByUniqueKey(Object instance) 根据唯一性约束查询
protected void	setParameter(Object parameter, PreparedStatement ps, int parameterIndex, StringBuilder sqlBuilder) DQL查询操作设置参数
protected void	setParameter(Object instance, Property property, PreparedStatement ps, int parameterIndex, StringBuilder sqlBuilder) DML操作设置参数
protected String	setPrepareStatementParameter(Object parameter, PreparedStatement ps, int parameterIndex) 设置参数

从类继承的方法 java.lang.Object

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

字段详细资料

logger

protected static final org.slf4j.Logger logger

PLACEHOLDER

protected static final String PLACEHOLDER

SQL参数占位符

另请参阅:

常量字段值

quickDAOConfig

public QuickDAOConfig quickDAOConfig

数据库信息对象

connectionExecutor

public volatile ConnectionExecutor connectionExecutor

SQL语句执行器

构造器详细资料

AbstractSQLBuilder

public AbstractSQLBuilder(QuickDAOConfig quickDAOConfig)

方法详细资料

selectCountById

public ConnectionExecutorItem selectCountById(Object instance)
                                       throws Exception

从接口复制的说明: SQLBuilder

根据唯一性约束查询

指定者:

selectCountById 在接口中 SQLBuilder

抛出:

Exception

selectCountByUniqueKey

public ConnectionExecutorItem selectCountByUniqueKey(Object instance)
                                              throws Exception

从接口复制的说明: SQLBuilder

根据唯一性约束查询

指定者:

selectCountByUniqueKey 在接口中 SQLBuilder

抛出:

Exception

setParameter

protected void setParameter(Object parameter,
                            PreparedStatement ps,
                            int parameterIndex,
                            StringBuilder sqlBuilder)
                     throws SQLException

DQL查询操作设置参数

参数:

parameter - 参数

ps - SQL语句对象

parameterIndex - 参数索引

sqlBuilder - 记录SQL日志

抛出:

SQLException

setParameter

protected void setParameter(Object instance,
                            Property property,
                            PreparedStatement ps,
                            int parameterIndex,
                            StringBuilder sqlBuilder)
                     throws Exception

DML操作设置参数

参数:

instance - 实例

property - 字段属性信息

ps - PrepareStatement对象

parameterIndex - 参数索引

sqlBuilder - 记录SQL日志

抛出:

Exception

getFieldFromInstance

protected Field getFieldFromInstance(Object instance,
                                     Property property)

从实例从获取参数

参数:

instance - 实例

property - 字段信息

setPrepareStatementParameter

protected String setPrepareStatementParameter(Object parameter,
                                              PreparedStatement ps,
                                              int parameterIndex)
                                       throws SQLException

设置参数

参数:

parameter - 参数

ps - PrepareStatement对象

parameterIndex - 参数索引

返回:

SQL字段信息

抛出:

SQLException

replaceFirst

protected static void replaceFirst(StringBuilder sqlBuilder,
                                   String parameter)

替换SQL语句的第一个占位符