de.caluga.morphium.aggregation

Interface Aggregator<T,R>

All Known Implementing Classes:

AggregatorImpl

public interface Aggregator<T,R>

User: Stephan Bösebeck Date: 30.08.12 Time: 16:23

Aggregator Framework: represents the aggregator of Mongo 2.2.x. and above $project $match $limit $skip $unwind $group $sort $geoNear - implementation still missing

Method Summary

Modifier and Type	Method and Description
void	addOperator(Map<String,Object> o)
List<R>	aggregate()
void	aggregate(AsyncOperationCallback<R> callback)
String	getCollectionName()
Morphium	getMorphium()
Class<? extends R>	getResultType()
Class<? extends T>	getSearchType()
Group<T,R>	group(Map<String,Object> id)
Group<T,R>	group(String id)
Group<T,R>	groupSubObj(Map<String,String> idSubObject)
boolean	isExplain()
boolean	isUseDisk()
Aggregator<T,R>	limit(int num)
Aggregator<T,R>	match(Query<T> q)
Aggregator<T,R>	matchSubQuery(Query<?> q) use matchSubQuery if you prepared som mid-result in your aggregation you need to do an additional match for Do not use it for the base query!
Aggregator<T,R>	project(Map<String,Object> m)
Aggregator<T,R>	project(String... m)
void	setCollectionName(String cn)
void	setExplain(boolean explain)
void	setMorphium(Morphium m)
void	setResultType(Class<? extends R> type)
void	setSearchType(Class<? extends T> type)
void	setUseDisk(boolean useDisk)
Aggregator<T,R>	skip(int num)
Aggregator<T,R>	sort(Map<String,Integer> sort)
Aggregator<T,R>	sort(String... prefixed)
List<Map<String,Object>>	toAggregationList()
Aggregator<T,R>	unwind(String listField)

Method Detail

getMorphium

Morphium getMorphium()

setMorphium

void setMorphium(Morphium m)

getSearchType

Class<? extends T> getSearchType()

setSearchType

void setSearchType(Class<? extends T> type)

getResultType

Class<? extends R> getResultType()

setResultType

void setResultType(Class<? extends R> type)

project

Aggregator<T,R> project(Map<String,Object> m)

project

Aggregator<T,R> project(String... m)

match

Aggregator<T,R> match(Query<T> q)

matchSubQuery

Aggregator<T,R> matchSubQuery(Query<?> q)

use matchSubQuery if you prepared som mid-result in your aggregation you need to do an additional match for Do not use it for the base query!

Parameters:

q -

Returns:

aggregator

limit

Aggregator<T,R> limit(int num)

skip

Aggregator<T,R> skip(int num)

unwind

Aggregator<T,R> unwind(String listField)

sort

Aggregator<T,R> sort(String... prefixed)

sort

Aggregator<T,R> sort(Map<String,Integer> sort)

getCollectionName

String getCollectionName()

setCollectionName

void setCollectionName(String cn)

group

Group<T,R> group(Map<String,Object> id)

groupSubObj

Group<T,R> groupSubObj(Map<String,String> idSubObject)

group

Group<T,R> group(String id)

toAggregationList

List<Map<String,Object>> toAggregationList()

addOperator

void addOperator(Map<String,Object> o)

aggregate

List<R> aggregate()

aggregate

void aggregate(AsyncOperationCallback<R> callback)

isExplain

boolean isExplain()

setExplain

void setExplain(boolean explain)

isUseDisk

boolean isUseDisk()

setUseDisk

void setUseDisk(boolean useDisk)