com.mybatisflex.core.relation

Class ToManyRelation<SelfEntity>

java.lang.Object

com.mybatisflex.core.relation.AbstractRelation<SelfEntity>

com.mybatisflex.core.relation.ToManyRelation<SelfEntity>

Direct Known Subclasses:

ManyToMany, OneToMany

public class ToManyRelation<SelfEntity>
extends AbstractRelation<SelfEntity>

Field Summary

Fields

Modifier and Type	Field and Description
protected long	limit
protected String	mapKeyField
protected FieldWrapper	mapKeyFieldWrapper
protected String	orderBy
protected String	selfValueSplitBy

Fields inherited from class com.mybatisflex.core.relation.AbstractRelation

conditionColumn, dataSource, extraConditionParamKeys, extraConditionSql, joinSelfColumn, joinTable, joinTargetColumn, name, onlyQueryValueField, relationField, relationFieldWrapper, selectColumns, selfEntityClass, selfField, selfFieldWrapper, simpleName, targetEntityClass, targetField, targetFieldWrapper, targetSchema, targetTable, targetTableInfo, valueField

Constructor Summary

Constructors

Constructor and Description
ToManyRelation(String selfField, String targetSchema, String targetTable, String targetField, String valueField, String joinTable, String joinSelfColumn, String joinTargetColumn, String dataSource, Class<SelfEntity> selfEntityClass, Field relationField, String extraCondition, String[] selectColumns)

Method Summary

Modifier and Type	Method and Description
QueryWrapper	buildQueryWrapper(Set<Object> targetValues) 构建查询目标对象的 QueryWrapper
void	customizeQueryWrapper(QueryWrapper queryWrapper) 方便子类追加自定义的条件
static Class<? extends Map>	getMapWrapType(Class<?> type)
void	join(List<SelfEntity> selfEntities, List<?> targetObjectList, List<Row> mappingRows)
void	setMapKeyField(String mapKeyField)

Methods inherited from class com.mybatisflex.core.relation.AbstractRelation

getDataSource, getDefaultPrimaryProperty, getJoinSelfColumn, getJoinTable, getJoinTargetColumn, getMappingType, getName, getRelationField, getRelationFieldWrapper, getSelfEntityClass, getSelfField, getSelfFieldValues, getSelfFieldWrapper, getSimpleName, getTargetEntityClass, getTargetEntityClass, getTargetField, getTargetFieldWrapper, getTargetSchema, getTargetTable, getTargetTableInfo, getTargetTableWithSchema, getValueField, initExtraCondition, isOnlyQueryValueField, isRelationByMiddleTable, setDataSource, setJoinSelfColumn, setJoinTable, setJoinTargetColumn, setOnlyQueryValueField, setRelationField, setRelationFieldWrapper, setSelfEntityClass, setSelfField, setSelfFieldWrapper, setTargetEntityClass, setTargetField, setTargetFieldWrapper, setTargetSchema, setTargetTable, setTargetTableInfo, setValueField

Methods inherited from class java.lang.Object

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

Field Detail

mapKeyField

protected String mapKeyField

mapKeyFieldWrapper

protected FieldWrapper mapKeyFieldWrapper

orderBy

protected String orderBy

limit

protected long limit

selfValueSplitBy

protected String selfValueSplitBy

Constructor Detail

ToManyRelation

public ToManyRelation(String selfField,
                      String targetSchema,
                      String targetTable,
                      String targetField,
                      String valueField,
                      String joinTable,
                      String joinSelfColumn,
                      String joinTargetColumn,
                      String dataSource,
                      Class<SelfEntity> selfEntityClass,
                      Field relationField,
                      String extraCondition,
                      String[] selectColumns)

Method Detail

getMapWrapType

public static Class<? extends Map> getMapWrapType(Class<?> type)

buildQueryWrapper

public QueryWrapper buildQueryWrapper(Set<Object> targetValues)

构建查询目标对象的 QueryWrapper

Overrides:

buildQueryWrapper in class AbstractRelation<SelfEntity>

Parameters:

targetValues - 条件的值

Returns:

QueryWrapper

customizeQueryWrapper

public void customizeQueryWrapper(QueryWrapper queryWrapper)

Description copied from class: AbstractRelation

方便子类追加自定义的条件

Overrides:

customizeQueryWrapper in class AbstractRelation<SelfEntity>

Parameters:

queryWrapper - 查询条件

join

public void join(List<SelfEntity> selfEntities,
                 List<?> targetObjectList,
                 List<Row> mappingRows)

Specified by:

join in class AbstractRelation<SelfEntity>

Parameters:

selfEntities - 当前的实体类列表

targetObjectList - 查询到的结果

mappingRows - 中间表的映射数据，非中间表查询的场景下，mappingRows 永远为 null

setMapKeyField

public void setMapKeyField(String mapKeyField)