com.enonic.cms.core.portal.livetrace.Traces.java Source code

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Here is the source code for com.enonic.cms.core.portal.livetrace.Traces.java

Source

/*
 * Copyright 2000-2013 Enonic AS
 * http://www.enonic.com/license
 */

package com.enonic.cms.core.portal.livetrace;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.joda.time.Period;
import org.joda.time.format.PeriodFormatter;
import org.joda.time.format.PeriodFormatterBuilder;

public class Traces<T extends Trace> implements Iterable<T> {
    private static final PeriodFormatter hoursMinutesMillis = new PeriodFormatterBuilder().appendHours()
            .appendSuffix(" h ", " h ").appendMinutes().appendSuffix(" m ", " m ").appendSeconds()
            .appendSuffix(" s ", " s ").appendMillis().appendSuffix(" ms", " ms").toFormatter();

    private List<T> list = new ArrayList<T>();

    private int totalPeriodTimeInMilliseconds = 0;

    private Traces() {
        // protection
    }

    @Override
    public Iterator<T> iterator() {
        return list.iterator();
    }

    public void add(T trace) {
        trace.setContainer(this);
        list.add(trace);
        computeTotalPeriod();
    }

    @SuppressWarnings("UnusedDeclaration")
    public List<T> getList() {
        return list;
    }

    public int getTotalPeriodInMilliseconds() {
        return totalPeriodTimeInMilliseconds;
    }

    public String getTotalPeriodInHRFormat() {
        return hoursMinutesMillis.print(new Period(totalPeriodTimeInMilliseconds));
    }

    void computeTotalPeriod() {
        int newTotalPeriodTimeInMilliseconds = 0;
        for (Trace trace : list) {
            long asMilliseconds = trace.getDuration().getAsMilliseconds();
            newTotalPeriodTimeInMilliseconds += asMilliseconds;
        }

        totalPeriodTimeInMilliseconds = newTotalPeriodTimeInMilliseconds;
    }

    public static <T extends Trace> Traces<T> create() {
        return new Traces<T>();
    }
}