cn.veasion.db

类 AbstractFilter<T extends AbstractFilter<?>>

java.lang.Object

cn.veasion.db.AbstractFilter<T>

直接已知子类:

AbstractQuery, AbstractUpdate, Delete

public abstract class AbstractFilter<T extends AbstractFilter<?>>
extends Object

AbstractFilter

作者:

luozhuowei

字段概要

字段

限定符和类型	字段和说明
protected boolean	checked

构造器概要

构造器

构造器和说明
AbstractFilter()

方法概要

限定符和类型	方法和说明
T	addFilter(Filter filter)
T	addFilters(Filter... filters)
T	andBracket(Filter... filters)
T	between(String field, Object value1, Object value2)
void	check(Class<?> mainEntityClass)
static void	checkFilter(Class<?> mainEntityClass, List<Filter> filters, boolean ignoreNullValueFilter)
T	eq(String field, Object value)
T	exists(SubQueryParam subQueryParam)
T	filterExpression(String field, Operator operator, Expression expression)
T	filterExpression(String field, Operator operator, String expression, Object... values) 表达式过滤
T	filterSubQuery(String field, Operator operator, SubQueryParam subQueryParam)
Class<?>	getEntityClass()
List<Filter>	getFilters()
List<Filter>	getFilters(String field)
protected abstract T	getSelf()
T	gt(String field, Object value)
T	gte(String field, Object value)
protected abstract Filter	handleFilter(Filter filter)
boolean	hasFilter(String field)
boolean	hasFilters()
T	in(String field, Collection<?> value)
T	in(String field, Object[] value)
T	isNotNull(String field)
T	isNull(String field)
boolean	isSkipNullValueFilter()
T	like(String field, Object value)
T	likeLeft(String field, Object value)
T	likeRight(String field, Object value)
T	lt(String field, Object value)
T	lte(String field, Object value)
T	neq(String field, Object value)
T	notExists(SubQueryParam subQueryParam)
T	notIn(String field, Collection<?> value)
T	notIn(String field, Object[] value)
Filter	removeFilter(String field)
void	setEntityClass(Class<?> entityClass)
T	setSkipNullValueFilter(boolean skipNullValueFilter)

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

checked

protected boolean checked

构造器详细资料

AbstractFilter

public AbstractFilter()

方法详细资料

eq

public T eq(String field,
            Object value)

neq

public T neq(String field,
             Object value)

gt

public T gt(String field,
            Object value)

gte

public T gte(String field,
             Object value)

lt

public T lt(String field,
            Object value)

lte

public T lte(String field,
             Object value)

in

public T in(String field,
            Collection<?> value)

in

public T in(String field,
            Object[] value)

notIn

public T notIn(String field,
               Collection<?> value)

notIn

public T notIn(String field,
               Object[] value)

like

public T like(String field,
              Object value)

likeLeft

public T likeLeft(String field,
                  Object value)

likeRight

public T likeRight(String field,
                   Object value)

isNull

public T isNull(String field)

isNotNull

public T isNotNull(String field)

between

public T between(String field,
                 Object value1,
                 Object value2)

andBracket

public T andBracket(Filter... filters)

exists

public T exists(SubQueryParam subQueryParam)

notExists

public T notExists(SubQueryParam subQueryParam)

filterSubQuery

public T filterSubQuery(String field,
                        Operator operator,
                        SubQueryParam subQueryParam)

filterExpression

public T filterExpression(String field,
                          Operator operator,
                          String expression,
                          Object... values)

表达式过滤

参数:

expression - 表达式，其中#{}和${}中间可以使用占位字段，解析时#{}会默认替换成values对应的值，${}替换成字段对应表中的列名

示例一：NOW()
示例二：DATE_FORMAT(#{value1},'%Y-%m-%d')
示例二：${age} + #{value1} + #{age}

values - 占位值，对应 #{value1}, #{value2}, #{value3}, #{value...}，通过占位符拼接参数防SQL注入

filterExpression

public T filterExpression(String field,
                          Operator operator,
                          Expression expression)

getFilters

public List<Filter> getFilters()

isSkipNullValueFilter

public boolean isSkipNullValueFilter()

setSkipNullValueFilter

public T setSkipNullValueFilter(boolean skipNullValueFilter)

addFilter

public T addFilter(Filter filter)

hasFilter

public boolean hasFilter(String field)

getFilters

public List<Filter> getFilters(String field)

removeFilter

public Filter removeFilter(String field)

addFilters

public T addFilters(Filter... filters)

hasFilters

public boolean hasFilters()

check

public void check(Class<?> mainEntityClass)

checkFilter

public static void checkFilter(Class<?> mainEntityClass,
                               List<Filter> filters,
                               boolean ignoreNullValueFilter)

getEntityClass

public Class<?> getEntityClass()

setEntityClass

public void setEntityClass(Class<?> entityClass)

handleFilter

protected abstract Filter handleFilter(Filter filter)

getSelf

protected abstract T getSelf()