net.ymate.platform.persistence.mongodb.support

Class Aggregation

java.lang.Object

net.ymate.platform.persistence.mongodb.support.Aggregation

All Implemented Interfaces:

Serializable, IBsonable

public final class Aggregation
extends Object
implements IBsonable

Author:

刘镇 (suninformation@163.com) on 15/11/23 下午5:07

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
static Aggregation	create()
Aggregation	group(Bson expression)
Aggregation	group(Operator id, Query... queries)
Aggregation	limit(int n)
Aggregation	match(Bson match)
Aggregation	out(String targetCollection)
Aggregation	project(Bson project)
Aggregation	redact(Bson expression)
Aggregation	skip(int n)
Aggregation	sort(OrderBy orderBy)
BasicDBObject	toBson() 转换为DBObject对象
Aggregation	unwind(String field)

Methods inherited from class java.lang.Object

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

Method Detail

create

public static Aggregation create()

project

public Aggregation project(Bson project)

match

public Aggregation match(Bson match)

redact

public Aggregation redact(Bson expression)

limit

public Aggregation limit(int n)

skip

public Aggregation skip(int n)

unwind

public Aggregation unwind(String field)

group

public Aggregation group(Bson expression)

group

public Aggregation group(Operator id,
                         Query... queries)

sort

public Aggregation sort(OrderBy orderBy)

out

public Aggregation out(String targetCollection)

toBson

public BasicDBObject toBson()

Description copied from interface: IBsonable

转换为DBObject对象

Specified by:

toBson in interface IBsonable

Returns:

返回DBObject对象