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 Details

    • 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()