Package cool.scx.data.query

Class QueryImpl

java.lang.Object

cool.scx.data.query.QueryImpl

All Implemented Interfaces:

Query

public class QueryImpl
extends Object
implements Query

查询参数类
针对 GroupBy , OrderBy , Limit , Where 等进行的简单封装
同时附带一些简单的参数校验
只是 为了方便传递参数使用

Version:

0.1.3

Author:

scx567888

Constructor Summary

Constructors

Constructor	Description
QueryImpl()	创建 Query 对象
QueryImpl(Query oldQuery)
QueryImpl(GroupBy oldGroupBy)
QueryImpl(LimitInfo oldLimitInfo)
QueryImpl(OrderBy oldOrderBy)
QueryImpl(Where oldWhere)
QueryImpl(Where oldWhere, GroupBy oldGroupBy, OrderBy oldOrderBy, LimitInfo oldLimitInfo)

Method Summary

Modifier and Type	Method	Description
QueryImpl	addGroupBy(Object... groupByClauses)
QueryImpl	addOrderBy(Object... orderByClauses)
QueryImpl	addWhere(Object... whereClauses)
QueryImpl	clearGroupBy()
QueryImpl	clearLimit()
QueryImpl	clearOffset()
QueryImpl	clearOrderBy()
QueryImpl	clearWhere()
GroupBy	getGroupBy()
Long	getLimit()
LimitInfo	getLimitInfo()
Long	getOffset()
OrderBy	getOrderBy()
Where	getWhere()
QueryImpl	groupBy(Object... groupByClauses)
QueryImpl	limit(long numberOfRows)	设置分页参数
QueryImpl	offset(long limitOffset)
QueryImpl	orderBy(Object... orderByClauses)
QueryImpl	where(Object... whereClauses)

Methods inherited from class java.lang.Object

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

Constructor Details

QueryImpl

public QueryImpl()

创建 Query 对象

QueryImpl

public QueryImpl(Query oldQuery)

QueryImpl

public QueryImpl(Where oldWhere)

QueryImpl

public QueryImpl(GroupBy oldGroupBy)

QueryImpl

public QueryImpl(OrderBy oldOrderBy)

QueryImpl

public QueryImpl(LimitInfo oldLimitInfo)

QueryImpl

public QueryImpl(Where oldWhere,
 GroupBy oldGroupBy,
 OrderBy oldOrderBy,
 LimitInfo oldLimitInfo)

Method Details

where

public QueryImpl where(Object... whereClauses)

Specified by:

where in interface Query

groupBy

public QueryImpl groupBy(Object... groupByClauses)

Specified by:

groupBy in interface Query

orderBy

public QueryImpl orderBy(Object... orderByClauses)

Specified by:

orderBy in interface Query

addWhere

public QueryImpl addWhere(Object... whereClauses)

Specified by:

addWhere in interface Query

addGroupBy

public QueryImpl addGroupBy(Object... groupByClauses)

Specified by:

addGroupBy in interface Query

addOrderBy

public QueryImpl addOrderBy(Object... orderByClauses)

Specified by:

addOrderBy in interface Query

offset

public QueryImpl offset(long limitOffset)

Specified by:

offset in interface Query

limit

public QueryImpl limit(long numberOfRows)

设置分页参数

Specified by:

limit in interface Query

Parameters:

numberOfRows - 长度

Returns:

p

getWhere

public Where getWhere()

Specified by:

getWhere in interface Query

getGroupBy

public GroupBy getGroupBy()

Specified by:

getGroupBy in interface Query

getOrderBy

public OrderBy getOrderBy()

Specified by:

getOrderBy in interface Query

getOffset

public Long getOffset()

Specified by:

getOffset in interface Query

getLimit

public Long getLimit()

Specified by:

getLimit in interface Query

getLimitInfo

public LimitInfo getLimitInfo()

Specified by:

getLimitInfo in interface Query

clearWhere

public QueryImpl clearWhere()

Specified by:

clearWhere in interface Query

clearGroupBy

public QueryImpl clearGroupBy()

Specified by:

clearGroupBy in interface Query

clearOrderBy

public QueryImpl clearOrderBy()

Specified by:

clearOrderBy in interface Query

clearOffset

public QueryImpl clearOffset()

Specified by:

clearOffset in interface Query

clearLimit

public QueryImpl clearLimit()

Specified by:

clearLimit in interface Query