模块 develop.toolkit.support

程序包 develop.toolkit.support.mongo.utils

类 AggregationOperationBuilder

java.lang.Object

develop.toolkit.support.mongo.utils.AggregationOperationBuilder

public class AggregationOperationBuilder
extends Object

AggregationOperation构建器

作者:

qiushui on 2019-02-25.

构造器概要

构造器

构造器	说明
AggregationOperationBuilder()
AggregationOperationBuilder(List<org.springframework.data.mongodb.core.aggregation.AggregationOperation> aggregationOperations)

方法概要

修饰符和类型	方法	说明
AggregationOperationBuilder	addFields(String... expressions)	添加字段
AggregationOperationBuilder	aggregation(org.springframework.data.mongodb.core.aggregation.AggregationOperation aggregationOperation)	原生AggregationOperation
List<org.springframework.data.mongodb.core.aggregation.AggregationOperation>	build()	构建
AggregationOperationBuilder	complex(org.springframework.data.mongodb.core.aggregation.AggregationOperation... aggregationOperations)	复杂AggregationOperation
AggregationOperationBuilder	count(String field)	数量
AggregationOperationBuilder	distinct(String... fields)	去重
AggregationOperationBuilder	join(String localField, String lookupAs, Class<?> foreignDocClass, JoinType joinType, boolean preserveNullAndEmptyArrays)	关联
AggregationOperationBuilder	join(String localField, String lookupAs, String from, JoinType joinType, boolean preserveNullAndEmptyArrays)	关联
AggregationOperationBuilder	json(String json)	json方式
AggregationOperationBuilder	lookupAndUnwind(String from, String localField, String lookupAs, boolean preserveNullAndEmptyArrays)	lookup unwind
AggregationOperationBuilder	match(org.springframework.data.mongodb.core.query.Criteria criteria)	过滤
AggregationOperationBuilder	match(org.springframework.data.mongodb.core.query.Query query)	过滤
AggregationOperationBuilder	merge(List<org.springframework.data.mongodb.core.aggregation.AggregationOperation> otherAggregationOperations)	合并
AggregationOperationBuilder	project(String... fields)	整理字段
AggregationOperationBuilder	unwind(String field, boolean preserveNullAndEmptyArrays)	$unwind

从类继承的方法 java.lang.Object

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

构造器详细资料

AggregationOperationBuilder

public AggregationOperationBuilder()

AggregationOperationBuilder

public AggregationOperationBuilder(List<org.springframework.data.mongodb.core.aggregation.AggregationOperation> aggregationOperations)

方法详细资料

build

public List<org.springframework.data.mongodb.core.aggregation.AggregationOperation> build()

构建

返回:

merge

public AggregationOperationBuilder merge(List<org.springframework.data.mongodb.core.aggregation.AggregationOperation> otherAggregationOperations)

合并

参数:

otherAggregationOperations -

返回:

join

public AggregationOperationBuilder join(String localField,
                                        String lookupAs,
                                        Class<?> foreignDocClass,
                                        JoinType joinType,
                                        boolean preserveNullAndEmptyArrays)

关联

参数:

localField -

lookupAs -

foreignDocClass -

joinType -

返回:

join

public AggregationOperationBuilder join(String localField,
                                        String lookupAs,
                                        String from,
                                        JoinType joinType,
                                        boolean preserveNullAndEmptyArrays)

关联

参数:

localField -

lookupAs -

from -

joinType -

返回:

lookupAndUnwind

public AggregationOperationBuilder lookupAndUnwind(String from,
                                                   String localField,
                                                   String lookupAs,
                                                   boolean preserveNullAndEmptyArrays)

lookup unwind

参数:

from -

localField -

lookupAs -

preserveNullAndEmptyArrays -

返回:

match

public AggregationOperationBuilder match(org.springframework.data.mongodb.core.query.Query query)

过滤

参数:

query -

返回:

match

public AggregationOperationBuilder match(org.springframework.data.mongodb.core.query.Criteria criteria)

过滤

参数:

criteria -

返回:

addFields

public AggregationOperationBuilder addFields(String... expressions)

添加字段

参数:

expressions -

返回:

project

public AggregationOperationBuilder project(String... fields)

整理字段

参数:

fields -

返回:

complex

public AggregationOperationBuilder complex(org.springframework.data.mongodb.core.aggregation.AggregationOperation... aggregationOperations)

复杂AggregationOperation

参数:

aggregationOperations -

返回:

aggregation

public AggregationOperationBuilder aggregation(org.springframework.data.mongodb.core.aggregation.AggregationOperation aggregationOperation)

原生AggregationOperation

参数:

aggregationOperation -

返回:

unwind

public AggregationOperationBuilder unwind(String field,
                                          boolean preserveNullAndEmptyArrays)

$unwind

参数:

field -

preserveNullAndEmptyArrays -

返回:

json

public AggregationOperationBuilder json(String json)

json方式

参数:

json -

返回:

distinct

public AggregationOperationBuilder distinct(String... fields)

去重

返回:

count

public AggregationOperationBuilder count(String field)

数量

参数:

field -

返回: