org.springframework.data.mongodb.core.aggregation

Class ScriptOperators

java.lang.Object

org.springframework.data.mongodb.core.aggregation.ScriptOperators

public class ScriptOperators
extends Object

Gateway to $function and $accumulator aggregation operations.
Using ScriptOperators as part of the Aggregation requires MongoDB server to have server-side JavaScript execution enabled.

Since:

3.1

Author:

Christoph Strobl, Mark Paluch

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ScriptOperators.Accumulator ScriptOperators.Accumulator defines a custom aggregation $accumulator operator, one that maintains its state (e.g. totals, maximums, minimums, and related data) as documents progress through the pipeline, in JavaScript.
static class	ScriptOperators.Function ScriptOperators.Function defines a custom aggregation $function in JavaScript.

Constructor Summary

Constructors

Constructor and Description
ScriptOperators()

Method Summary

Modifier and Type	Method and Description
static ScriptOperators.Accumulator.AccumulatorInitBuilder	accumulatorBuilder() Create a custom $accumulator operator in Javascript.
static ScriptOperators.Function	function(String body) Create a custom aggregation $function in JavaScript.

Methods inherited from class java.lang.Object

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

Constructor Detail

ScriptOperators

public ScriptOperators()

Method Detail

function

public static ScriptOperators.Function function(String body)

Create a custom aggregation $function in JavaScript.

Parameters:

body - The function definition. Must not be null.

Returns:

new instance of ScriptOperators.Function.

accumulatorBuilder

public static ScriptOperators.Accumulator.AccumulatorInitBuilder accumulatorBuilder()

Create a custom $accumulator operator in Javascript.

Returns:

new instance of ScriptOperators.Accumulator.AccumulatorInitBuilder.