cn.schoolwow.quickdao.builder.sql

类 AbstractSQLBuilder

java.lang.Object

cn.schoolwow.quickdao.builder.sql.AbstractSQLBuilder

所有已实现的接口:

SQLBuilder

直接已知子类:

AbstractDMLSQLBuilder, AbstractDQLSQLBuilder

public class AbstractSQLBuilder
extends Object
implements SQLBuilder

字段概要

字段

限定符和类型	字段和说明
Connection	connection 数据库连接对象
protected org.slf4j.Logger	logger
protected static String	PLACEHOLDER SQL参数占位符
QuickDAOConfig	quickDAOConfig 数据库信息对象
protected static ConcurrentHashMap<String,String>	sqlCache SQL语句缓存

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 static void	replaceFirst(StringBuilder sqlBuilder, String parameter) 替换SQL语句的第一个占位符
PreparedStatement	selectByUniqueKey(Object instance) 根据唯一性约束查询
protected static void	setParameter(Object parameter, PreparedStatement ps, int parameterIndex, StringBuilder sqlBuilder) 设置参数
protected static void	setParameter(Object instance, Property property, PreparedStatement ps, int parameterIndex, StringBuilder sqlBuilder) 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 org.slf4j.Logger logger

PLACEHOLDER

protected static String PLACEHOLDER

SQL参数占位符

sqlCache

protected static ConcurrentHashMap<String,String> sqlCache

SQL语句缓存

quickDAOConfig

public QuickDAOConfig quickDAOConfig

数据库信息对象

connection

public volatile Connection connection

数据库连接对象

构造器详细资料

AbstractSQLBuilder

public AbstractSQLBuilder(QuickDAOConfig quickDAOConfig)

方法详细资料

selectByUniqueKey

public PreparedStatement selectByUniqueKey(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:

selectByUniqueKey 在接口中 SQLBuilder

抛出:

Exception

setParameter

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

设置参数

抛出:

SQLException

setParameter

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

设置参数

抛出:

Exception

replaceFirst

protected static void replaceFirst(StringBuilder sqlBuilder,
                                   String parameter)

替换SQL语句的第一个占位符