Package de.bwaldvogel.mongo.backend.aggregation.accumulator

Class Accumulator

java.lang.Object

de.bwaldvogel.mongo.backend.aggregation.accumulator.Accumulator

Direct Known Subclasses:

AddToSetAccumulator, AvgAccumulator, FirstAccumulator, LastAccumulator, MaxAccumulator, MinAccumulator, PushAccumulator, SumAccumulator

public abstract class Accumulator
extends java.lang.Object

Method Summary

Modifier and Type	Method	Description
abstract void	aggregate(java.lang.Object value)
java.lang.Object	getExpression()
java.lang.String	getField()
abstract java.lang.Object	getResult()
static java.util.Map<java.lang.String,java.util.function.Supplier<Accumulator>>	parse(Document configuration)

Methods inherited from class java.lang.Object

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

Method Detail

parse

public static java.util.Map<java.lang.String,java.util.function.Supplier<Accumulator>> parse(Document configuration)

getField

public java.lang.String getField()

getExpression

public java.lang.Object getExpression()

aggregate

public abstract void aggregate(java.lang.Object value)

getResult

public abstract java.lang.Object getResult()