Package de.bcxp.challenge.countries

Class CountryAnalyser

java.lang.Object

de.bcxp.challenge.countries.CountryAnalyser

All Implemented Interfaces:

IDocumentAnalyser

public class CountryAnalyser
extends Object
implements IDocumentAnalyser

Analyzes a document of CountryEntry objects to extract the country with the highest population density.

Implements the IDocumentAnalyser interface for CountryEntry entries.

See Also:

• IDocumentAnalyser
• CountryEntry
• Document

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor	Description
CountryAnalyser()	Instantiates stateless analyser.

Method Summary

Modifier and Type	Method	Description
Set<DocumentEntry>	getBestMatches(Document document)	Finds the country with the highest population density from the provided 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

CountryAnalyser

public CountryAnalyser()

Instantiates stateless analyser.

Method Details

getBestMatches

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

Finds the country with the highest population density from the provided document.

This method analyzes the list of CountryEntry entries in the given Document and returns the country with the maximum value of population density. If the list is empty, a NoSuchElementException is thrown.

Specified by:

getBestMatches in interface IDocumentAnalyser

Parameters:

document - the document containing a list of CountryEntry entries

Returns:

A set of CountryEntry objects with the highest population density

Throws:

NoSuchElementException - if the document contains no matching entries