/*******************************************************************************
 * Copyright (C) 2013 JMaNGOS <http://jmangos.org/>
 * 
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 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 General Public License for
 * more details.
 * 
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
/**
 * 
 */
package org.jmangos.commons.dataholder;

import java.util.Collection;

import javolution.util.FastMap;

import org.jmangos.commons.model.ManagedObject;

import com.google.common.collect.ImmutableList;

/**
 * @author MinimaJack
 * 
 */
public abstract class IdKeyContainer<T extends ManagedObject> implements Visitable<T> {

    private final FastMap<Long, T> data = new FastMap<Long, T>().shared();

    public T getObject(final int objectId) {

        return this.data.get(objectId);
    }

    public int size() {

        return this.data.size();
    }

    public void addObject(final T object) {

        if (this.data.containsKey(object.getObjectId())) {
            onDataAlreadyAddedEvent(object.getObjectId());
            return;
        }
        this.data.put(object.getObjectId(), object);
    }

    public boolean containsObject(final int objectId) {

        return this.data.containsKey(objectId);
    }

    @Override
    public void iterate(final Visitor<T> visitor) {

        for (final T value : this.data.values()) {
            visitor.visit(value);
        }
    }

    public void removeObject(final T object) {

        if (!this.data.containsKey(object.getObjectId())) {
            onDataNotPresentEvent(object.getObjectId());
            return;
        }
        this.data.remove(object.getObjectId());
    }

    public Collection<T> values() {

        return ImmutableList.copyOf(this.data.values());
    }

    public void clearData() {

        this.data.clear();

    }

    public abstract void onDataNotPresentEvent(long objectId);

    public abstract void onDataAlreadyAddedEvent(long objectId);
}