Package com.liangjian.web.common.service.crud

Class JpaDynamicQueryService<T>

java.lang.Object

com.liangjian.web.common.service.crud.JpaDynamicQueryService<T>

All Implemented Interfaces:

DynamicApiService<T>

Direct Known Subclasses:

JpaDynamicApiService

public abstract class JpaDynamicQueryService<T>
extends Object
implements DynamicApiService<T>

Created by huangziqi on 2020/1/13

Constructor Summary

Constructors

Constructor	Description
JpaDynamicQueryService()

Method Summary

Modifier and Type	Method	Description
protected org.springframework.data.jpa.domain.Specification<T>	getDynamicSpecification(DynamicParams params)	转换DynamicParams成Jpa复杂条件
abstract org.springframework.data.jpa.repository.JpaSpecificationExecutor<T>	getJpaSpecificationExecutor()	获取Jpa的复杂查询构造器
List<T>	getListByCondition(DynamicParams params)	通过动态条件查询列表
PageWrapper<T>	getPageByCondition(DynamicParams params)	通过动态条件分页查询
protected org.springframework.data.domain.Sort.Direction	toJpaPageSort(SortDirection sortDirection)	转换SortDirection成Jpa的Sort
protected <A> javax.persistence.criteria.Predicate	toJpaSpecification(DynamicFilter filter, javax.persistence.criteria.Root<A> root, javax.persistence.criteria.CriteriaBuilder criteriaBuilder)	转换DynamicFilter成Jpa的条件构造器Predicate

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.liangjian.web.common.service.crud.DynamicApiService

addModel, deleteModel, deleteModelById, findById, getEntityHelper, getMappedName, updateModel

Constructor Detail

JpaDynamicQueryService

public JpaDynamicQueryService()

Method Detail

getJpaSpecificationExecutor

public abstract org.springframework.data.jpa.repository.JpaSpecificationExecutor<T> getJpaSpecificationExecutor()

获取Jpa的复杂查询构造器

Returns:

toJpaSpecification

protected <A> javax.persistence.criteria.Predicate toJpaSpecification(DynamicFilter filter,
                                                                      javax.persistence.criteria.Root<A> root,
                                                                      javax.persistence.criteria.CriteriaBuilder criteriaBuilder)

转换DynamicFilter成Jpa的条件构造器Predicate

Type Parameters:

A -

Parameters:

filter -

root -

criteriaBuilder -

Returns:

toJpaPageSort

protected org.springframework.data.domain.Sort.Direction toJpaPageSort(SortDirection sortDirection)

转换SortDirection成Jpa的Sort

Parameters:

sortDirection -

Returns:

getDynamicSpecification

protected org.springframework.data.jpa.domain.Specification<T> getDynamicSpecification(DynamicParams params)

转换DynamicParams成Jpa复杂条件

Parameters:

params -

Returns:

getPageByCondition

public PageWrapper<T> getPageByCondition(DynamicParams params)

Description copied from interface: DynamicApiService

通过动态条件分页查询

Specified by:

getPageByCondition in interface DynamicApiService<T>

Returns:

getListByCondition

public List<T> getListByCondition(DynamicParams params)

Description copied from interface: DynamicApiService

通过动态条件查询列表

Specified by:

getListByCondition in interface DynamicApiService<T>

Returns: