Package dev.morphia.aggregation

Interface Aggregation<T>

Type Parameters:

T - The initial type of the aggregation. Used for collection name resolution.

All Superinterfaces:

AutoCloseable, Iterable<T>

public interface Aggregation<T>
extends AutoCloseable, Iterable<T>

Since:

2.0

Method Summary

Modifier and Type	Method	Description
MorphiaCursor<T>	iterator()
Aggregation<T>	pipeline(Stage... stages)	Appends the stages to this aggregation's pipeline.
default Aggregation<T>	pipeline(List<Stage> stages)	Appends the stages to this aggregation's pipeline.
default List<T>	toList()	Executes the aggregation pipeline and collects all results into a list.

Methods inherited from interface java.lang.AutoCloseable

close

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Method Details

pipeline

Aggregation<T> pipeline(Stage... stages)

Appends the stages to this aggregation's pipeline.

Parameters:

stages - the stages to add

Returns:

this

Since:

3.0

pipeline

default Aggregation<T> pipeline(List<Stage> stages)

Appends the stages to this aggregation's pipeline.

Parameters:

stages - the stages to add

Returns:

this

Since:

3.0

iterator

MorphiaCursor<T> iterator()

Specified by:

iterator in interface Iterable<T>

toList

default List<T> toList()

Executes the aggregation pipeline and collects all results into a list.

Returns:

a list containing all results of the aggregation