Package de.bcxp.challenge.weather

Class WeatherAnalyser

java.lang.Object

de.bcxp.challenge.weather.WeatherAnalyser

All Implemented Interfaces:

IDocumentAnalyser

public class WeatherAnalyser
extends Object
implements IDocumentAnalyser

Analyzes a weather document to find the entry with the smallest temperature spread.

Implements the IDocumentAnalyser interface for WeatherEntry objects.

See Also:

• IDocumentAnalyser
• WeatherEntry
• Document

Field Summary

Fields

Modifier and Type	Field	Description
private static final org.apache.logging.log4j.Logger	logger

Constructor Summary

Constructors

Constructor	Description
WeatherAnalyser()	Instantiates stateless analyser.

Method Summary

Modifier and Type	Method	Description
Set<DocumentEntry>	getBestMatches(Document document)	Finds the day with the smallest temperature spread from the provided weather document.

Methods inherited from class java.lang.Object

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

Field Details

logger

private static final org.apache.logging.log4j.Logger logger

Constructor Details

WeatherAnalyser

public WeatherAnalyser()

Instantiates stateless analyser.

Method Details

getBestMatches

public Set<DocumentEntry> getBestMatches(Document document)
                                  throws NoSuchElementException

Finds the day with the smallest temperature spread from the provided weather document.

This method analyzes the list of WeatherEntry entries in the given Document and returns the one with the smallest temperature spread (i.e., maxTemp - minTemp).

Specified by:

getBestMatches in interface IDocumentAnalyser

Parameters:

document - the document containing a list of WeatherEntry entries

Returns:

A set of WeatherEntry entry with the smallest temperature spread

Throws:

NoSuchElementException - if the document contains no entries