com.mybatisflex.core.logicdelete

Class NullableColumnLogicDeleteProcessor

java.lang.Object

com.mybatisflex.core.logicdelete.AbstractLogicDeleteProcessor

com.mybatisflex.core.logicdelete.NullableColumnLogicDeleteProcessor

All Implemented Interfaces:

LogicDeleteProcessor

Direct Known Subclasses:

DateTimeLogicDeleteProcessor, PrimaryKeyLogicDeleteProcessor

public abstract class NullableColumnLogicDeleteProcessor
extends AbstractLogicDeleteProcessor

数据列默认值为 null 值的逻辑删除处理器。

Since:

2023-07-30

Author:

王帅

Constructor Summary

Constructors

Constructor and Description
NullableColumnLogicDeleteProcessor()

Method Summary

Modifier and Type	Method and Description
String	buildLogicNormalCondition(String logicColumn, TableInfo tableInfo, IDialect dialect) 用户构建查询正常数据的条件。
void	buildQueryCondition(QueryWrapper queryWrapper, TableInfo tableInfo, String joinTableAlias) 用于构建通过 QueryWrapper 查询数据时的内容。
Object	getLogicNormalValue() 逻辑删除字段值为 null 表示数据未删除。

Methods inherited from class com.mybatisflex.core.logicdelete.AbstractLogicDeleteProcessor

buildLogicDeletedSet

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.mybatisflex.core.logicdelete.LogicDeleteProcessor

getLogicDeletedValue

Constructor Detail

NullableColumnLogicDeleteProcessor

public NullableColumnLogicDeleteProcessor()

Method Detail

buildLogicNormalCondition

public String buildLogicNormalCondition(String logicColumn,
                                        TableInfo tableInfo,
                                        IDialect dialect)

Description copied from interface: LogicDeleteProcessor

用户构建查询正常数据的条件。

Specified by:

buildLogicNormalCondition in interface LogicDeleteProcessor

Overrides:

buildLogicNormalCondition in class AbstractLogicDeleteProcessor

Parameters:

logicColumn - 逻辑删除列

tableInfo - 表信息

dialect - 数据库方言

buildQueryCondition

public void buildQueryCondition(QueryWrapper queryWrapper,
                                TableInfo tableInfo,
                                String joinTableAlias)

Description copied from interface: LogicDeleteProcessor

用于构建通过 QueryWrapper 查询数据时的内容。

Specified by:

buildQueryCondition in interface LogicDeleteProcessor

Overrides:

buildQueryCondition in class AbstractLogicDeleteProcessor

Parameters:

queryWrapper - 条件构造器

tableInfo - 表信息

joinTableAlias - join table 的别名

getLogicNormalValue

public Object getLogicNormalValue()

逻辑删除字段值为 null 表示数据未删除。

Returns:

未删除标记值