Package org.springframework.data.mongodb.core.aggregation

Class ConvertOperators

java.lang.Object

org.springframework.data.mongodb.core.aggregation.ConvertOperators

public class ConvertOperators
extends Object

Gateway to convert aggregation operations.

Since:

2.1

Author:

Christoph Strobl

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ConvertOperators.Convert	AggregationExpression for $convert that converts a value to a specified type.
static class	ConvertOperators.ConvertOperatorFactory
static class	ConvertOperators.DegreesToRadians	AggregationExpression for $degreesToRadians that converts an input value measured in degrees to radians.
static class	ConvertOperators.ToBool	AggregationExpression for $toBool that converts a value to boolean.
static class	ConvertOperators.ToDate	AggregationExpression for $toDate that converts a value to date.
static class	ConvertOperators.ToDecimal	AggregationExpression for $toDecimal that converts a value to decimal.
static class	ConvertOperators.ToDouble	AggregationExpression for $toDouble that converts a value to double.
static class	ConvertOperators.ToInt	AggregationExpression for $toInt that converts a value to integer.
static class	ConvertOperators.ToLong	AggregationExpression for $toLong that converts a value to long.
static class	ConvertOperators.ToObjectId	AggregationExpression for $toObjectId that converts a value to objectId.
static class	ConvertOperators.ToString	AggregationExpression for $toString that converts a value to string.

Constructor Summary

Constructors

Constructor	Description
ConvertOperators()

Method Summary

Modifier and Type	Method	Description
static ConvertOperators.ConvertOperatorFactory	valueOf(String fieldReference)	Take the field referenced by given fieldReference.
static ConvertOperators.ConvertOperatorFactory	valueOf(AggregationExpression expression)	Take the value 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

ConvertOperators

public ConvertOperators()

Method Details

valueOf

public static ConvertOperators.ConvertOperatorFactory valueOf(String fieldReference)

Take the field referenced by given fieldReference.

Parameters:

fieldReference - must not be null.

Returns:

valueOf

public static ConvertOperators.ConvertOperatorFactory valueOf(AggregationExpression expression)

Take the value resulting from the given AggregationExpression.

Parameters:

expression - must not be null.

Returns: