Class AbstractAggregation

java.lang.Object

com.jayway.jsonpath.internal.function.numeric.AbstractAggregation

All Implemented Interfaces:

PathFunction

Direct Known Subclasses:

Average, Max, Min, StandardDeviation, Sum

public abstract class AbstractAggregation
extends Object
implements PathFunction

Defines the pattern for processing numerical values via an abstract implementation that iterates over the collection of JSONArray entities and verifies that each is a numerical value and then passes that along the abstract methods Created by mattg on 6/26/15.

Constructor Summary

Constructors

Constructor	Description
AbstractAggregation()

Method Summary

Modifier and Type	Method	Description
protected abstract Number	getValue()	Obtains the value generated via the series of next value calls
Object	invoke(String currentPath, PathRef parent, Object model, EvaluationContext ctx)	Invoke the function and output a JSON object (or scalar) value which will be the result of executing the path
protected abstract void	next(Number value)	Defines the next value in the array to the mathmatical function

Methods inherited from class Object

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

Constructor Details

AbstractAggregation

public AbstractAggregation()

Method Details

next

protected abstract void next(Number value)

Defines the next value in the array to the mathmatical function

Parameters:

value - The numerical value to process next

getValue

protected abstract Number getValue()

Obtains the value generated via the series of next value calls

Returns:

A numerical answer based on the input value provided

invoke

public Object invoke(String currentPath,
 PathRef parent,
 Object model,
 EvaluationContext ctx)

Description copied from interface: PathFunction

Invoke the function and output a JSON object (or scalar) value which will be the result of executing the path

Specified by:

invoke in interface PathFunction

Parameters:

currentPath - The current path location inclusive of the function name

parent - The path location above the current function

model - The JSON model as input to this particular function

ctx - Eval context, state bag used as the path is traversed, maintains the result of executing

Returns: