org.springframework.data.mongodb.core.aggregation

Class BooleanOperators

java.lang.Object

org.springframework.data.mongodb.core.aggregation.BooleanOperators

public class BooleanOperators
extends Object

Gateway to boolean expressions that evaluate their argument expressions as booleans and return a boolean as the result.

Since:

1.10

Author:

Christoph Strobl

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BooleanOperators.And AggregationExpression for $and.
static class	BooleanOperators.BooleanOperatorFactory
static class	BooleanOperators.Not AggregationExpression for $not.
static class	BooleanOperators.Or AggregationExpression for $or.

Constructor Summary

Constructors

Constructor and Description
BooleanOperators()

Method Summary

Modifier and Type	Method and Description
static BooleanOperators.Not	not(AggregationExpression expression) Creates new AggregationExpression that evaluates the boolean value of AggregationExpression result and returns the opposite boolean value.
static BooleanOperators.Not	not(String fieldReference) Creates new AggregationExpression that evaluates the boolean value of the referenced field and returns the opposite boolean value.
static BooleanOperators.BooleanOperatorFactory	valueOf(AggregationExpression fieldReference) Take the value resulting of the given AggregationExpression.
static BooleanOperators.BooleanOperatorFactory	valueOf(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

BooleanOperators

public BooleanOperators()

Method Detail

valueOf

public static BooleanOperators.BooleanOperatorFactory valueOf(String fieldReference)

Take the array referenced by given fieldReference.

Parameters:

fieldReference - must not be null.

Returns:

new instance of BooleanOperators.BooleanOperatorFactory.

valueOf

public static BooleanOperators.BooleanOperatorFactory valueOf(AggregationExpression fieldReference)

Take the value resulting of the given AggregationExpression.

Parameters:

fieldReference - must not be null.

Returns:

new instance of BooleanOperators.BooleanOperatorFactory.

not

public static BooleanOperators.Not not(String fieldReference)

Creates new AggregationExpression that evaluates the boolean value of the referenced field and returns the opposite boolean value.

Parameters:

fieldReference - must not be null.

Returns:

new instance of BooleanOperators.Not.

not

public static BooleanOperators.Not not(AggregationExpression expression)

Creates new AggregationExpression that evaluates the boolean value of AggregationExpression result and returns the opposite boolean value.

Parameters:

expression - must not be null.

Returns:

new instance of BooleanOperators.Not.