Interface ExecutableAggregationOperation.TerminatingAggregation<T>

Enclosing interface:

ExecutableAggregationOperation

public static interface ExecutableAggregationOperation.TerminatingAggregation<T>

Trigger execution by calling one of the terminating methods.

Since:

2.0

Author:

Christoph Strobl, Mark Paluch

Method Summary

Modifier and Type	Method	Description
AggregationResults<T>	all()	Apply pipeline operations as specified and get all matching elements.
<R> ExecutableAggregationOperation.TerminatingAggregation<R>	map(QueryResultConverter<? super T, ? extends R> converter)	Map the query result to a different type using QueryResultConverter.
Stream<T>	stream()	Apply pipeline operations as specified and stream all matching elements.

Method Details

map

@Contract("_ -> new")
<R>
ExecutableAggregationOperation.TerminatingAggregation<R> map(QueryResultConverter<? super T, ? extends R> converter)

Map the query result to a different type using QueryResultConverter.

Type Parameters:

R - type of the result.

Parameters:

converter - the converter, must not be null.

Returns:

new instance of ExecutableAggregationOperation.TerminatingAggregation.

Throws:

IllegalArgumentException - if converter is null.

Since:

5.0

all

AggregationResults<T> all()

Apply pipeline operations as specified and get all matching elements.

Returns:

never null.

stream

Stream<T> stream()

Apply pipeline operations as specified and stream all matching elements.
Returns a Stream that wraps the Mongo DB FindIterable

Returns:

the result Stream, containing mapped objects, needing to be closed once fully processed (e.g. through a try-with-resources clause).