com.capitalone.dashboard.util.SuperFeatureComparator Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of core Show documentation

Core package shared by API layer and Microservices

There is a newer version: 4.0.2

package com.capitalone.dashboard.util;

import java.util.Comparator;

import com.capitalone.dashboard.model.Feature;

/**
 * Comparator utility class for handling comparisons of Super Features (epics)
 * to other Super Features. This is used when manipulating results of MongoDB
 * repository responses and sorting them in an efficient manner within memory.
 * 
 * @author kfk884
 * 
 */
public class SuperFeatureComparator implements Comparator {

	public SuperFeatureComparator() {
		// No instantiation requirements
	}

	/**
	 * Compares two feature object models and sorts based on their subsequent
	 * epic IDs, as a string comparator
	 * 
	 * @return A list of Features sorted by EpicID, descending
	 */
	@Override
	public int compare(Feature f, Feature ff) {
		if (f.getsEpicID().compareToIgnoreCase(ff.getsEpicID()) <= -1) {
			return -1;
		} else if (f.getsEpicID().compareToIgnoreCase(ff.getsEpicID()) >= 1) {
			return 1;
		} else {
			return 0;
		}
	}

}