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/*
 * TeleStax, Open Source Cloud Communications
 * Copyright 2011-2016, TeleStax Inc. and individual contributors
 * by the @authors tag.
 *
 * This program is free software: you can redistribute it and/or modify
 * under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see 
 *
 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 *   JBoss, Home of Professional Open Source
 *   Copyright 2007-2011, Red Hat, Inc. and individual contributors
 *   by the @authors tag. See the copyright.txt in the distribution for a
 *   full listing of individual contributors.
 *
 *   This is free software; you can redistribute it and/or modify it
 *   under the terms of the GNU Lesser General Public License as
 *   published by the Free Software Foundation; either version 2.1 of
 *   the License, or (at your option) any later version.
 *
 *   This software is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 *   Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public
 *   License along with this software; if not, write to the Free
 *   Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 *   02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.jdiameter.common.impl.statistic;

import java.util.concurrent.ConcurrentLinkedQueue;

import org.jdiameter.api.StatisticRecord;
import org.jdiameter.common.api.statistic.IStatistic;
import org.jdiameter.common.api.statistic.IStatisticRecord;
import org.jdiameter.common.api.statistic.IStatisticRecord.Counters;

/**
 * @author  Alexandre Mendonca 
 * @author  Bartosz Baranowski 
 */
@SuppressWarnings("all") //3rd party lib
class StatisticImpl implements IStatistic {

    protected boolean enable = true;
    protected ConcurrentLinkedQueue records = new ConcurrentLinkedQueue();
    protected String name;
    protected String description;
    protected IStatistic.Groups group;

    @Override
    public String getName() {
        return name;
    }

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

    StatisticImpl(String name) {
        this.name = name;
    }

    StatisticImpl(String name, IStatistic.Groups group) {
        this(group.name() + "." + name);
        this.group = group;
        this.description = group.getDescription();

    }

    //  public StatisticImpl(String name, String desctiprion, IStatisticRecord... rec) {
    //    this.name = name;
    //    this.description = desctiprion;
    //    for (IStatisticRecord r : rec) {
    //      records.add((IStatisticRecord) r);
    //    }
    //  }
    StatisticImpl(String name, IStatistic.Groups group, String desctiprion, IStatisticRecord... rec) {
        this(name, group);
        this.description = desctiprion;
        for (IStatisticRecord r : rec) {
            records.add(r);
        }
    }

    @Override
    public void appendCounter(IStatisticRecord... rec) {
        for (IStatisticRecord r : rec) {
            r.enable(this.enable);
            records.add(r);
        }
    }

    @Override
    public IStatisticRecord getRecordByName(String name) {
        for (StatisticRecord r : records) {
            if (r.getName().equals(name)) {
                return (IStatisticRecord) r;
            }
        }
        return null;
    }

    @Override
    public IStatisticRecord getRecordByName(Counters name) {
        for (StatisticRecord r : records) {
            if (r.getName().equals(name.toString())) {
                return (IStatisticRecord) r;
            }
        }
        return null;
    }

    @Override
    public void enable(boolean e) {
        for (StatisticRecord r : records) {
            r.enable(e);
        }
        enable = e;
    }

    @Override
    public boolean isEnabled() {
        return enable;
    }

    @Override
    public void reset() {
        for (StatisticRecord r : records) {
            r.reset();
        }
    }

    @Override
    public StatisticRecord[] getRecords() {
        return records.toArray(new StatisticRecord[0]);
    }

    @Override
    public String toString() {
        return "Statistic{" + " records=" + records + " }";
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((group == null) ? 0 : group.hashCode());
        result = prime * result + ((name == null) ? 0 : name.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        StatisticImpl other = (StatisticImpl) obj;
        if (group != other.group) {
            return false;
        }
        if (name == null) {
            if (other.name != null) {
                return false;
            }
        } else if (!name.equals(other.name)) {
            return false;
        }
        return true;
    }

}