de.codesourcery.eve.skills.db.datamodel.Region.java Source code

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Here is the source code for de.codesourcery.eve.skills.db.datamodel.Region.java

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/**
 * Copyright 2004-2009 Tobias Gierke <tobias.gierke@code-sourcery.de>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package de.codesourcery.eve.skills.db.datamodel;

import java.util.Comparator;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;

import org.apache.commons.lang.ObjectUtils;

@Entity
@Table(name = "mapRegions")
// @org.hibernate.annotations.Proxy(lazy=false)
public class Region {

    public static final Comparator<Region> BY_NAME_COMPARATOR = new Comparator<Region>() {

        @Override
        public int compare(Region o1, Region o2) {
            return o1.getName().compareTo(o2.getName());
        }
    };
    /*
     mysql> desc mapRegions;
    +------------+--------------+------+-----+---------+-------+
    | Field      | Type         | Null | Key | Default | Extra |
    +------------+--------------+------+-----+---------+-------+
    | regionID   | int(11)      | NO   | PRI | NULL    |       |
    | regionName | varchar(100) | YES  |     | NULL    |       |
    | x          | double       | YES  |     | NULL    |       |
    | y          | double       | YES  |     | NULL    |       |
    | z          | double       | YES  |     | NULL    |       |
    | xMin       | double       | YES  |     | NULL    |       |
    | xMax       | double       | YES  |     | NULL    |       |
    | yMin       | double       | YES  |     | NULL    |       |
    | yMax       | double       | YES  |     | NULL    |       |
    | zMin       | double       | YES  |     | NULL    |       |
    | zMax       | double       | YES  |     | NULL    |       |
    | factionID  | int(11)      | YES  | MUL | NULL    |       |
    | radius     | double       | YES  |     | NULL    |       |
    +------------+--------------+------+-----+---------+-------+
     */

    @Id
    private Long regionID;

    @Column(name = "regionName")
    private String name;

    public void setName(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public void setID(Long regionID) {
        this.regionID = regionID;
    }

    public Long getID() {
        return regionID;
    }

    public boolean equals(Object obj) {
        if (obj instanceof Region) {
            final Region r = (Region) obj;
            if (this.regionID != null) {
                return this.regionID.equals(r.getID());
            } else if (r.getID() != null) {
                return r.getID().equals(this.regionID);
            }
            return this.regionID == r.regionID;
        }
        return false;
    }

    @Override
    public int hashCode() {
        return this.regionID != null ? this.regionID.hashCode() : 0;
    }

    protected static Long getRegionId(Region r) {
        return r != null ? r.getID() : null;
    }

    public static boolean isSameRegion(Region r1, Region r2) {
        final Long id1 = getRegionId(r1);
        final Long id2 = getRegionId(r2);
        return ObjectUtils.equals(id1, id2);
    }

    @Override
    public String toString() {
        return "Region " + getName() + " (" + getID() + ")";
    }

}