org.springframework.data.mongodb.core.aggregation

Class SetOperators

java.lang.Object

org.springframework.data.mongodb.core.aggregation.SetOperators

public class SetOperators
extends Object

Gateway to Set expressions which perform set operation on arrays, treating arrays as sets.

Since:

1.10

Author:

Christoph Strobl

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SetOperators.AllElementsTrue AggregationExpression for $allElementsTrue.
static class	SetOperators.AnyElementTrue AggregationExpression for $anyElementTrue.
static class	SetOperators.SetDifference AggregationExpression for $setDifference.
static class	SetOperators.SetEquals AggregationExpression for $setEquals.
static class	SetOperators.SetIntersection AggregationExpression for $setIntersection.
static class	SetOperators.SetIsSubset AggregationExpression for $setIsSubset.
static class	SetOperators.SetOperatorFactory
static class	SetOperators.SetUnion AggregationExpression for $setUnion.

Constructor Summary

Constructors

Constructor and Description
SetOperators()

Method Summary

Modifier and Type	Method and Description
static SetOperators.SetOperatorFactory	arrayAsSet(AggregationExpression expression) Take the array resulting from the given AggregationExpression.
static SetOperators.SetOperatorFactory	arrayAsSet(String fieldReference) Take the array referenced by given fieldReference.

Methods inherited from class java.lang.Object

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

Constructor Detail

SetOperators

public SetOperators()

Method Detail

arrayAsSet

public static SetOperators.SetOperatorFactory arrayAsSet(String fieldReference)

Take the array referenced by given fieldReference.

Parameters:

fieldReference - must not be null.

Returns:

new instance of SetOperators.SetOperatorFactory.

arrayAsSet

public static SetOperators.SetOperatorFactory arrayAsSet(AggregationExpression expression)

Take the array resulting from the given AggregationExpression.

Parameters:

expression - must not be null.

Returns:

new instance of SetOperators.SetOperatorFactory.