Package 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	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	Description
SetOperators()

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Details

SetOperators

public SetOperators()

Method Details

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.