Schnittstelle Aggregator<T,R>

Alle bekannten Implementierungsklassen:

AggregatorImpl, InMemAggregator

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

Verschachtelte Klassen - Übersicht

Verschachtelte Klassen

Modifikator und Typ	Schnittstelle	Beschreibung
static enum	Aggregator.BucketGranularity
static enum	Aggregator.GeoNearFields
static enum	Aggregator.MergeActionWhenMatched
static enum	Aggregator.MergeActionWhenNotMatched

Methodenübersicht

Modifikator und Typ	Methode	Beschreibung
Aggregator<T,R>	addFields(Map<String,Object> m)
void	addOperator(Map<String,Object> o)
List<R>	aggregate()
void	aggregate(AsyncOperationCallback<R> callback)
MorphiumAggregationIterator<T,R>	aggregateIterable()
List<Map<String,Object>>	aggregateMap()
void	aggregateMap(AsyncOperationCallback<Map<String,Object>> callback)
Aggregator<T,R>	bucket(Expr groupBy, List<Expr> boundaries, Expr preset, Map<String,Expr> output)
Aggregator<T,R>	bucketAuto(Expr groupBy, int numBuckets, Map<String,Expr> output, Aggregator.BucketGranularity granularity)
Aggregator<T,R>	collation(Collation collation)
Aggregator<T,R>	collStats(Boolean latencyHistograms, Double scale, boolean count, boolean queryExecStats)
Aggregator<T,R>	count(Enum fld)
Aggregator<T,R>	count(String fld)
Aggregator<T,R>	currentOp(boolean allUsers, boolean idleConnections, boolean idleCursors, boolean idleSessions, boolean localOps)
Map<String,Object>	explain()
Map<String,Object>	explain(ExplainCommand.ExplainVerbosity verbosity)
Aggregator<T,R>	facet(Map<String, Aggregator> pipeline)
Aggregator<T,R>	facetExpr(Map<String,Expr> param)
Aggregator<T,R>	genericStage(String stageName, Object param)
Aggregator<T,R>	geoNear(Map<Aggregator.GeoNearFields, Object> param)
AggregateMongoCommand	getAggregateCmd()
Collation	getCollation()
String	getCollectionName()
long	getCount()
Morphium	getMorphium()
List<Map<String,Object>>	getPipeline()
Class<? extends R>	getResultType()
Class<? extends T>	getSearchType()
Aggregator<T,R>	graphLookup(Class<?> fromType, Expr startWith, Enum connectFromField, Enum connectToField, String as, Integer maxDepth, String depthField, Query restrictSearchWithMatch)
Aggregator<T,R>	graphLookup(Class<?> fromType, Expr startWith, String connectFromField, String connectToField, String as, Integer maxDepth, String depthField, Query restrictSearchWithMatch)
Aggregator<T,R>	graphLookup(String fromCollection, Expr startWith, String connectFromField, String connectToField, String as, Integer maxDepth, String depthField, Query restrictSearchWithMatch)
Group<T,R>	group(Expr id)
Group<T,R>	group(String id)
Group<T,R>	group(Map<String,Object> id)
Aggregator<T,R>	indexStats()
boolean	isExplain()
boolean	isUseDisk()
Aggregator<T,R>	limit(int num)
Aggregator<T,R>	listLocalSessions()
Aggregator<T,R>	listLocalSessions(List<String> users, List<String> dbs)
Aggregator<T,R>	listLocalSessionsAllUsers()
Aggregator<T,R>	listSessions()
Aggregator<T,R>	listSessions(List<String> users, List<String> dbs)
Aggregator<T,R>	listSessionsAllUsers()
Aggregator<T,R>	lookup(Class fromType, Enum localField, Enum foreignField, String outputArray, List<Expr> pipeline, Map<String,Expr> let)
Aggregator<T,R>	lookup(String fromCollection, String localField, String foreignField, String outputArray, List<Expr> pipeline, Map<String,Expr> let)
Aggregator<T,R>	match(Expr q)
Aggregator<T,R>	match(Query<T> q)
Aggregator<T,R>	matchSubQuery(Query<?> q)
Aggregator<T,R>	merge(Class<?> intoCollection)
Aggregator<T,R>	merge(Class<?> intoCollection, Map<String,Expr> let, List<Map<String,Expr>> machedPipeline, Aggregator.MergeActionWhenMatched matchAction, Aggregator.MergeActionWhenNotMatched notMatchedAction, String... onFields)
Aggregator<T,R>	merge(String intoCollection)
Aggregator<T,R>	merge(String intoCollection, Aggregator.MergeActionWhenMatched matchAction, Aggregator.MergeActionWhenNotMatched notMatchedAction, String... onFields)
Aggregator<T,R>	merge(String intoDb, String intoCollection)
Aggregator<T,R>	merge(String intoDb, String intoCollection, Aggregator.MergeActionWhenMatched matchAction, Aggregator.MergeActionWhenNotMatched notMatchedAction, String... onFields)
Aggregator<T,R>	merge(String intoCollection, Map<String,Expr> let, List<Map<String,Expr>> machedPipeline, Aggregator.MergeActionWhenNotMatched notMatchedAction, String... onFields)
Aggregator<T,R>	out(Class<?> type)
Aggregator<T,R>	out(String collection)
Aggregator<T,R>	out(String db, String collection)
Aggregator<T,R>	planCacheStats(Map<String,Object> param)
Aggregator<T,R>	project(String... m)
Aggregator<T,R>	project(String fld, Expr e)
Aggregator<T,R>	project(Map<String,Object> m)
Aggregator<T,R>	redact(Expr expr)	see https://docs.mongodb.com/manual/reference/operator/aggregation/redact/
Aggregator<T,R>	replaceRoot(Expr newRoot)
Aggregator<T,R>	replaceWith(Expr replacement)	Replaces the input document with the specified document.
Aggregator<T,R>	sample(int sampleSize)	Randomly selects the specified number of documents from its input.
Aggregator<T,R>	set(Map<String,Expr> param)
Aggregator<T,R>	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(String... prefixed)
Aggregator<T,R>	sort(Map<String,Integer> sort)
Aggregator<T,R>	sortByCount(Expr countBy)
Aggregator<T,R>	unionWith(Aggregator aggregator)
Aggregator<T,R>	unionWith(String collection)
Aggregator<T,R>	unset(Enum... field)
Aggregator<T,R>	unset(String... param)
Aggregator<T,R>	unset(List<String> field)
Aggregator<T,R>	unwind(Expr listField)
Aggregator<T,R>	unwind(String listField)

Methodendetails

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)

addFields

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

project

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

project

Aggregator<T,R> project(String fld,
 Expr e)

match

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

matchSubQuery

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

match

Aggregator<T,R> match(Expr q)

count

Aggregator<T,R> count(String fld)

count

Aggregator<T,R> count(Enum fld)

bucket

Aggregator<T,R> bucket(Expr groupBy,
 List<Expr> boundaries,
 Expr preset,
 Map<String,Expr> output)

bucketAuto

Aggregator<T,R> bucketAuto(Expr groupBy,
 int numBuckets,
 Map<String,Expr> output,
 Aggregator.BucketGranularity granularity)

collStats

Aggregator<T,R> collStats(Boolean latencyHistograms,
 Double scale,
 boolean count,
 boolean queryExecStats)

Parameter:

latencyHistograms - : if null, no latency stats

scale - : if null, no storageStats

count -

queryExecStats -

Gibt zurück:

currentOp

Aggregator<T,R> currentOp(boolean allUsers,
 boolean idleConnections,
 boolean idleCursors,
 boolean idleSessions,
 boolean localOps)

facetExpr

Aggregator<T,R> facetExpr(Map<String,Expr> param)

facet

Aggregator<T,R> facet(Map<String, Aggregator> pipeline)

geoNear

Aggregator<T,R> geoNear(Map<Aggregator.GeoNearFields, Object> param)

graphLookup

Aggregator<T,R> graphLookup(Class<?> fromType,
 Expr startWith,
 Enum connectFromField,
 Enum connectToField,
 String as,
 Integer maxDepth,
 String depthField,
 Query restrictSearchWithMatch)

graphLookup

Aggregator<T,R> graphLookup(Class<?> fromType,
 Expr startWith,
 String connectFromField,
 String connectToField,
 String as,
 Integer maxDepth,
 String depthField,
 Query restrictSearchWithMatch)

graphLookup

Aggregator<T,R> graphLookup(String fromCollection,
 Expr startWith,
 String connectFromField,
 String connectToField,
 String as,
 Integer maxDepth,
 String depthField,
 Query restrictSearchWithMatch)

indexStats

Aggregator<T,R> indexStats()

listLocalSessions

Aggregator<T,R> listLocalSessions()

listLocalSessionsAllUsers

Aggregator<T,R> listLocalSessionsAllUsers()

listLocalSessions

Aggregator<T,R> listLocalSessions(List<String> users,
 List<String> dbs)

listSessions

Aggregator<T,R> listSessions()

listSessionsAllUsers

Aggregator<T,R> listSessionsAllUsers()

listSessions

Aggregator<T,R> listSessions(List<String> users,
 List<String> dbs)

collation

Aggregator<T,R> collation(Collation collation)

getCollation

Collation getCollation()

lookup

Aggregator<T,R> lookup(Class fromType,
 Enum localField,
 Enum foreignField,
 String outputArray,
 List<Expr> pipeline,
 Map<String,Expr> let)

lookup

Aggregator<T,R> lookup(String fromCollection,
 String localField,
 String foreignField,
 String outputArray,
 List<Expr> pipeline,
 Map<String,Expr> let)

merge

Aggregator<T,R> merge(String intoDb,
 String intoCollection,
 Aggregator.MergeActionWhenMatched matchAction,
 Aggregator.MergeActionWhenNotMatched notMatchedAction,
 String... onFields)

merge

Aggregator<T,R> merge(String intoCollection,
 Aggregator.MergeActionWhenMatched matchAction,
 Aggregator.MergeActionWhenNotMatched notMatchedAction,
 String... onFields)

merge

Aggregator<T,R> merge(String intoCollection,
 Map<String,Expr> let,
 List<Map<String,Expr>> machedPipeline,
 Aggregator.MergeActionWhenNotMatched notMatchedAction,
 String... onFields)

merge

Aggregator<T,R> merge(Class<?> intoCollection,
 Map<String,Expr> let,
 List<Map<String,Expr>> machedPipeline,
 Aggregator.MergeActionWhenMatched matchAction,
 Aggregator.MergeActionWhenNotMatched notMatchedAction,
 String... onFields)

merge

Aggregator<T,R> merge(String intoDb,
 String intoCollection)

merge

Aggregator<T,R> merge(Class<?> intoCollection)

merge

Aggregator<T,R> merge(String intoCollection)

out

Aggregator<T,R> out(String collection)

out

Aggregator<T,R> out(Class<?> type)

out

Aggregator<T,R> out(String db,
 String collection)

planCacheStats

Aggregator<T,R> planCacheStats(Map<String,Object> param)

redact

Aggregator<T,R> redact(Expr expr)

see https://docs.mongodb.com/manual/reference/operator/aggregation/redact/

Parameter:

expr -

Gibt zurück:

replaceRoot

Aggregator<T,R> replaceRoot(Expr newRoot)

replaceWith

Aggregator<T,R> replaceWith(Expr replacement)

Replaces the input document with the specified document. The operation replaces all existing fields in the input document, including the _id field. With $replaceWith, you can promote an embedded document to the top-level. You can also specify a new document as the replacement.

Parameter:

replacement -

Gibt zurück:

sample

Aggregator<T,R> sample(int sampleSize)

Randomly selects the specified number of documents from its input.

Parameter:

sampleSize -

Gibt zurück:

set

Aggregator<T,R> set(Map<String,Expr> param)

sortByCount

Aggregator<T,R> sortByCount(Expr countBy)

unionWith

Aggregator<T,R> unionWith(String collection)

unionWith

Aggregator<T,R> unionWith(Aggregator aggregator)

unset

Aggregator<T,R> unset(List<String> field)

unset

Aggregator<T,R> unset(String... param)

unset

Aggregator<T,R> unset(Enum... field)

genericStage

Aggregator<T,R> genericStage(String stageName,
 Object param)

limit

Aggregator<T,R> limit(int num)

skip

Aggregator<T,R> skip(int num)

unwind

Aggregator<T,R> unwind(Expr listField)

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

Aggregator<T,R> setCollectionName(String cn)

group

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

group

Group<T,R> group(String id)

group

Group<T,R> group(Expr id)

getPipeline

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

addOperator

void addOperator(Map<String,Object> o)

aggregate

List<R> aggregate()

getCount

long getCount()

aggregateIterable

MorphiumAggregationIterator<T,R> aggregateIterable()

aggregate

void aggregate(AsyncOperationCallback<R> callback)

aggregateMap

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

aggregateMap

void aggregateMap(AsyncOperationCallback<Map<String,Object>> callback)

isExplain

boolean isExplain()

setExplain

void setExplain(boolean explain)

isUseDisk

boolean isUseDisk()

setUseDisk

void setUseDisk(boolean useDisk)

explain

Map<String,Object> explain()
                    throws MorphiumDriverException

Löst aus:

MorphiumDriverException

explain

Map<String,Object> explain(ExplainCommand.ExplainVerbosity verbosity)
                    throws MorphiumDriverException

Löst aus:

MorphiumDriverException

getAggregateCmd

AggregateMongoCommand getAggregateCmd()