org.springframework.data.mongodb.core.aggregation
Class AggregationResults<T>

java.lang.Object
  org.springframework.data.mongodb.core.aggregation.AggregationResults<T>

Type Parameters:

T - The class in which the results are mapped onto.

All Implemented Interfaces:

Iterable<T>

public class AggregationResults<T>
extends Object
implements Iterable<T>

Collects the results of executing an aggregation operation.

Since:

1.3

Author:

Tobias Trelle, Oliver Gierke

Constructor Summary

AggregationResults(List<T> mappedResults, com.mongodb.DBObject rawResults)
Creates a new AggregationResults instance from the given mapped and raw results.

Method Summary

List<T>	getMappedResults() Returns the aggregation results.
String	getServerUsed() Returns the server that has been used to perform the aggregation.
T	getUniqueMappedResult() Returns the unique mapped result.
Iterator<T>	iterator()

Methods inherited from class java.lang.Object

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

Constructor Detail

AggregationResults

public AggregationResults(List<T> mappedResults,
                          com.mongodb.DBObject rawResults)

Creates a new AggregationResults instance from the given mapped and raw results.

Parameters:

mappedResults - must not be null.

rawResults - must not be null.

Method Detail

getMappedResults

public List<T> getMappedResults()

Returns the aggregation results.

Returns:

getUniqueMappedResult

public T getUniqueMappedResult()

Returns the unique mapped result. Assumes no result or exactly one.

Returns:

Throws:

IllegalArgumentException - in case more than one result is available.

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Iterable<T>

getServerUsed

public String getServerUsed()

Returns the server that has been used to perform the aggregation.

Returns: