com.nlf.mini.extend.dao.sql

类 AbstractSqlExecuter

java.lang.Object

com.nlf.mini.dao.executer.AbstractDaoExecuter

com.nlf.mini.extend.dao.sql.AbstractSqlExecuter

所有已实现的接口:

IDaoExecuter, ISqlExecuter

直接已知子类:

ASqlDeleter, ASqlInserter, ASqlSelecter, ASqlTemplate, ASqlUpdater

public abstract class AbstractSqlExecuter
extends AbstractDaoExecuter
implements ISqlExecuter

抽象Sql Dao执行器

作者:

6tail

字段概要

字段

限定符和类型	字段和说明
protected List<Condition>	columns
protected List<String>	groupBys
protected List<Condition>	havings
protected static Comparator<String>	keyComparator 变量排序器
static String	NAMED_PLACEHOLDER_PREFIX 带名称的变量占位符
protected static Pattern	namedPlaceHolderPattern 带名称的变量占位符
protected static Pattern	onPattern 提取on的表名
protected List<Object>	params 最近一次操作的参数列表
static String	PLACEHOLDER 变量占位符
static String	PLACEHOLDER_REG 变量占位符正则
protected List<String>	sorts
protected String	sql 最近一次操作生成的SQL语句
protected List<String>	tables
protected List<Condition>	wheres

从类继承的字段 com.nlf.mini.dao.executer.AbstractDaoExecuter

connection

构造器概要

构造器

构造器和说明
AbstractSqlExecuter()

方法概要

限定符和类型	方法和说明
protected void	bindParams(PreparedStatement stmt)
protected String	buildLog() 构建日志内容
protected void	buildParams(List<Condition> l)
protected String	buildParams(String sql, Bean o)
protected Condition	buildPureSqlCondition(String sql)
protected abstract String	buildSql() 构建SQL语句
protected String	buildSqlIn(String column, Bean param, Object... values)
protected String	buildSqlParams(Condition r)
protected String	buildSqlWhere()
protected String	buildTables()
protected int	executeUpdate()
protected Bean	executeUpdateAndGetGenerated()
protected void	finalize(Statement stmt)
protected void	finalize(Statement stmt, ResultSet rs)
List<Object>	getParams() 获取最近一次操作的参数列表
String	getSql() 获取最近一次操作生成的SQL语句
protected PreparedStatement	prepareStatement(SqlConnection conn)
protected PreparedStatement	prepareStatement(SqlConnection conn, boolean generatedKeys)
Iterator<Bean>	queryIterator()
protected List<Bean>	queryList()
protected List<Bean>	queryList(int row)
boolean	support(String dbType) 是否支持指定DB类型
protected List<Bean>	toBeans(ResultSet rs)
protected ISqlExecuter	where(String sql)
protected ISqlExecuter	where(String columnOrSql, Object valueOrBean)
protected ISqlExecuter	whereIf(String sql, Bean values, boolean condition)
protected ISqlExecuter	whereIf(String sql, boolean condition)
protected ISqlExecuter	whereIf(String column, Object value, boolean condition)
protected ISqlExecuter	whereIn(String column, Object... values)
protected ISqlExecuter	whereNotEqual(String column, Object value)
protected ISqlExecuter	whereNotIn(String column, Object... values)

从类继承的方法 com.nlf.mini.dao.executer.AbstractDaoExecuter

setConnection

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

sql

protected String sql

最近一次操作生成的SQL语句

params

protected List<Object> params

最近一次操作的参数列表

tables

protected List<String> tables

columns

protected List<Condition> columns

groupBys

protected List<String> groupBys

sorts

protected List<String> sorts

wheres

protected List<Condition> wheres

havings

protected List<Condition> havings

namedPlaceHolderPattern

protected static Pattern namedPlaceHolderPattern

带名称的变量占位符

onPattern

protected static Pattern onPattern

提取on的表名

keyComparator

protected static Comparator<String> keyComparator

变量排序器

PLACEHOLDER

public static final String PLACEHOLDER

变量占位符

另请参阅:

常量字段值

PLACEHOLDER_REG

public static final String PLACEHOLDER_REG

变量占位符正则

另请参阅:

常量字段值

NAMED_PLACEHOLDER_PREFIX

public static final String NAMED_PLACEHOLDER_PREFIX

带名称的变量占位符

另请参阅:

常量字段值

构造器详细资料

AbstractSqlExecuter

public AbstractSqlExecuter()

方法详细资料

support

public boolean support(String dbType)

从接口复制的说明: IDaoExecuter

是否支持指定DB类型

指定者:

support 在接口中 IDaoExecuter

参数:

dbType - DB类型

返回:

true支持；false不支持

buildLog

protected String buildLog()

构建日志内容

返回:

日志内容

toBeans

protected List<Bean> toBeans(ResultSet rs)
                      throws SQLException

抛出:

SQLException

queryList

protected List<Bean> queryList()

queryList

protected List<Bean> queryList(int row)

queryIterator

public Iterator<Bean> queryIterator()

finalize

protected void finalize(Statement stmt,
                        ResultSet rs)

finalize

protected void finalize(Statement stmt)

bindParams

protected void bindParams(PreparedStatement stmt)
                   throws SQLException

抛出:

SQLException

buildParams

protected String buildParams(String sql,
                             Bean o)

buildParams

protected void buildParams(List<Condition> l)

getSql

public String getSql()

从接口复制的说明: ISqlExecuter

获取最近一次操作生成的SQL语句

指定者:

getSql 在接口中 ISqlExecuter

返回:

SQL语句

getParams

public List<Object> getParams()

从接口复制的说明: ISqlExecuter

获取最近一次操作的参数列表

指定者:

getParams 在接口中 ISqlExecuter

返回:

参数列表

buildPureSqlCondition

protected Condition buildPureSqlCondition(String sql)

where

protected ISqlExecuter where(String sql)

where

protected ISqlExecuter where(String columnOrSql,
                             Object valueOrBean)

whereNotEqual

protected ISqlExecuter whereNotEqual(String column,
                                     Object value)

whereIf

protected ISqlExecuter whereIf(String sql,
                               boolean condition)

whereIf

protected ISqlExecuter whereIf(String column,
                               Object value,
                               boolean condition)

whereIf

protected ISqlExecuter whereIf(String sql,
                               Bean values,
                               boolean condition)

whereIn

protected ISqlExecuter whereIn(String column,
                               Object... values)

whereNotIn

protected ISqlExecuter whereNotIn(String column,
                                  Object... values)

buildSql

protected abstract String buildSql()

构建SQL语句

返回:

SQL语句

buildSqlIn

protected String buildSqlIn(String column,
                            Bean param,
                            Object... values)

buildSqlParams

protected String buildSqlParams(Condition r)

buildSqlWhere

protected String buildSqlWhere()

buildTables

protected String buildTables()

prepareStatement

protected PreparedStatement prepareStatement(SqlConnection conn)
                                      throws SQLException

抛出:

SQLException

prepareStatement

protected PreparedStatement prepareStatement(SqlConnection conn,
                                             boolean generatedKeys)
                                      throws SQLException

抛出:

SQLException

executeUpdate

protected int executeUpdate()

executeUpdateAndGetGenerated

protected Bean executeUpdateAndGetGenerated()