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 and Description
abstract void	aggregate(java.lang.Object value)
java.lang.Object	getExpression()
java.lang.String	getField()
abstract java.lang.Object	getResult()

Methods inherited from class java.lang.Object

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

Method Detail

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()