io.yields.math.framework.kpi.ScoreResult.java Source code

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/*
 * Copyright 2014 by Yields.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.yields.math.framework.kpi;

import com.fasterxml.jackson.annotation.JsonIgnore;

import org.apache.commons.lang.builder.CompareToBuilder;

import java.time.ZonedDateTime;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;

import static java.util.Comparator.comparing;
import static java.util.stream.Collectors.toList;
import static java.util.stream.Collectors.toMap;
import static org.apache.commons.lang.StringUtils.isNotBlank;

/**
 * Outcome of a score calculation.
 */
public class ScoreResult implements Comparable<ScoreResult> {

    private String name;

    private String group;

    private boolean official;

    private double score;

    private ZonedDateTime timestamp;

    @JsonIgnore
    private Map<String, Double> kpiResults;

    private List<KPIResult> results;

    /**
     * For JSON
     */
    public ScoreResult() {
    }

    public ScoreResult(String name, String group, boolean official, double score, Map<String, Double> kpiResults) {
        this.name = name;
        this.group = group;
        this.official = official;
        this.score = score;
        this.kpiResults = kpiResults;
        this.results = kpiResults.entrySet().stream().map(entry -> new KPIResult(entry.getKey(), entry.getValue()))
                .collect(toList());
    }

    public Map<String, Double> getKpiResults() {
        if (kpiResults == null) {
            if (results != null) {
                kpiResults = new TreeMap<>(
                        results.stream().collect(toMap(KPIResult::getName, KPIResult::getValue)));
            } else {
                kpiResults = new TreeMap<>();
            }
        }
        return kpiResults;
    }

    public List<KPIResult> getResults() {
        return results;
    }

    public void setKpiResults(Map<String, Double> kpiResults) {
        this.kpiResults = kpiResults;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getGroup() {
        return group;
    }

    public void setGroup(String group) {
        this.group = group;
    }

    public boolean isOfficial() {
        return official;
    }

    public void setOfficial(boolean official) {
        this.official = official;
    }

    public double getScore() {
        return score;
    }

    @JsonIgnore
    public String getFormattedScore() {
        return String.format("%.4f", score);
    }

    public void setScore(double score) {
        this.score = score;
    }

    public ZonedDateTime getTimestamp() {
        return timestamp;
    }

    public void setTimestamp(ZonedDateTime timestamp) {
        this.timestamp = timestamp;
    }

    @JsonIgnore
    public List<KPIResult> getScores() {
        return getKpiResults().entrySet().stream().map(entry -> new KPIResult(entry.getKey(), entry.getValue()))
                .sorted(comparing(KPIResult::getName)).collect(toList());
    }

    @JsonIgnore
    public boolean isReportable() {
        return isNotBlank(name) && isNotBlank(group) && results != null && !results.isEmpty();
    }

    public static ScoreResult empty() {
        return new ScoreResult("", "", false, 0d, new HashMap<>());
    }

    @Override
    public int compareTo(ScoreResult other) {
        return new CompareToBuilder().append(other.getScore(), this.score).append(other.getName(), this.name)
                .toComparison();
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        ScoreResult that = (ScoreResult) o;

        if (official != that.official) {
            return false;
        }
        if (Double.compare(that.score, score) != 0) {
            return false;
        }
        if (group != null ? !group.equals(that.group) : that.group != null) {
            return false;
        }
        if (name != null ? !name.equals(that.name) : that.name != null) {
            return false;
        }

        return true;
    }

    @Override
    public int hashCode() {
        int result;
        long temp;
        result = name != null ? name.hashCode() : 0;
        result = 31 * result + (group != null ? group.hashCode() : 0);
        result = 31 * result + (official ? 1 : 0);
        temp = Double.doubleToLongBits(score);
        result = 31 * result + (int) (temp ^ (temp >>> 32));
        return result;
    }

    public static class KPIResult {

        private String name;

        private Double value;

        /**
         * For JSON
         */
        public KPIResult() {
        }

        public KPIResult(String name, Double value) {
            this.name = name;
            this.value = value;
        }

        public String getName() {
            return name;
        }

        public Double getValue() {
            return value;
        }

        @JsonIgnore
        public String getFormattedValue() {
            return String.format("%.4f", value);
        }

        @Override
        public boolean equals(Object o) {
            if (this == o) {
                return true;
            }
            if (o == null || getClass() != o.getClass()) {
                return false;
            }

            KPIResult kpiResult = (KPIResult) o;

            if (name != null ? !name.equals(kpiResult.name) : kpiResult.name != null) {
                return false;
            }
            if (value != null ? !value.equals(kpiResult.value) : kpiResult.value != null) {
                return false;
            }

            return true;
        }

        @Override
        public int hashCode() {
            int result = name != null ? name.hashCode() : 0;
            result = 31 * result + (value != null ? value.hashCode() : 0);
            return result;
        }

    }

}