com.intellifylearning.stats.Statistics Maven / Gradle / Ivy

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package com.intellifylearning.stats;

import java.util.concurrent.ConcurrentHashMap;

public class Statistics extends ConcurrentHashMap {

    private static final long serialVersionUID = -8837006750327885446L;

    public Statistic ensure(String key) {
        if (this.containsKey(key)) {
            return this.get(key);
        }

        Statistic statistic = new Statistic();
        this.put(key, statistic);
        return statistic;
    }

    public void update(String operation, double val) {
        if (!this.containsKey(operation)) {
            this.putIfAbsent(operation, new Statistic());
        }

        this.get(operation).update(val);
    }

    @Override
    public String toString() {

        StringBuilder builder = new StringBuilder();

        builder.append("\n-------- Safe Client Statistics --------\n");

        for (Entry entry : entrySet()) {

            String operation = entry.getKey();
            Statistic statistic = entry.getValue();

            builder.append(String.format("%s : %s%n", operation, statistic.toString()));
        }

        builder.append("----------------------------------------\n");

        return builder.toString();
    }

}