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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2009-2012 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
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// Portions Copyright [2018] Payara Foundation and/or affiliates

package org.glassfish.flashlight.statistics.impl;

import org.glassfish.flashlight.statistics.TimeStatsNanos;

import org.jvnet.hk2.annotations.Service;
import org.glassfish.hk2.api.PerLookup;

/**
 *
 * @author Harpreet Singh
 */
@Service(name = "timeStatsNanos")
@PerLookup
public class TimeStatsNanosImpl extends TimeStatsAbstractImpl
        implements TimeStatsNanos {

    private static final String NAME = "timeStatsNanos";
    private static final String DESCRIPTION = "TimeStatistic Nano";
    private static final String UNIT = "Nano seconds";

    public TimeStatsNanosImpl() {
        super.setName(NAME);
        super.setEnabled(true);
    }

    @Override
    public void entry() {
        super.postEntry(System.nanoTime ());
    }

    @Override
    public void exit() {
        super.postExit(System.nanoTime());
    }

    @Override
    public Object getValue() {
        return getTime();
    }

    @Override
    public String getUnit() {
        return UNIT;
    }

    @Override
    public String getDescription() {
        return DESCRIPTION;
    }

    @Override
    public String toString() {
        return "Statistic " + getClass().getName() + NEWLINE +
                "Name: " + getName() + NEWLINE +
                "Description: " + getDescription() + NEWLINE +
                "Unit: " + getUnit() + NEWLINE +
                "LastSampleTime: " + getLastSampleTime() + NEWLINE +
                "StartTime: " + getStartTime();
    }
}