/**
* 最寄りの施設をさがす．<br>
*
* @author n-yuuta<br>
* @param lan 経度<br>
* @param lon 緯度<br>
* @return building
*/
public Building getNearestBuilding(double longitude, double latitude) {
int minBuildId = 0;
double minLan = 0.0;
double minLon = 0.0;
int minCount = 0;
String minName = "";
double minDistance = 0.0;
double distance = 0.0;
ArrayList<Building> buildingList = DBUtils.convertDBToBuildingList();
for (int i = 0; i < buildingList.size(); i++) {
distance =
this.calcDistance(
longitude,
latitude,
buildingList.get(i).getLongitude(),
buildingList.get(i).getLatitude(),
5);
if (i == 0) {
minDistance = distance;
minBuildId = buildingList.get(i).getBuildId();
minLan = buildingList.get(i).getLongitude();
minLon = buildingList.get(i).getLatitude();
minCount = buildingList.get(i).getCount();
minName = buildingList.get(i).getName();
} else {
if (distance < minDistance) {
minDistance = distance;
minBuildId = buildingList.get(i).getBuildId();
minLan = buildingList.get(i).getLongitude();
minLon = buildingList.get(i).getLatitude();
minCount = buildingList.get(i).getCount();
minName = buildingList.get(i).getName();
}
}
}
Building building = new Building();
building.setBuildId(minBuildId);
building.setLongitude(minLan);
building.setLatitude(minLon);
building.setCount(minCount);
building.setName(minName);
return building;
}
/**
* 近くの施設をまとめて返す（ArrayList版。使用しなくなる予定）
*
* @author 2015020 賀数
* @param lon 緯度
* @param lat 経度
* @return 施設群
*/
public ArrayList<Building> getNearBuildings(double lon, double lat) {
ArrayList<Building> buildingList = DBUtils.convertDBToBuildingList();
// 離れた施設は除外
double removeDist = 0.5;
int size = buildingList.size();
for (int i = 0; i < size; i++) {
Building target = buildingList.get(i);
if (Math.abs(lat - target.getLatitude()) > removeDist
|| Math.abs(lon - target.getLongitude()) > removeDist) {
buildingList.remove(i);
i--;
size--;
}
}
return buildingList;
}
/** Logger、DB、DBCollectionフィールドに各オブジェクトを設定する． */
public BuildingModel() {
db = jp.cspiral.c6.shareUmbrella.util.DBUtils.getInstance().getDb();
coll = db.getCollection(DB_BUILDING_COLLECTION);
}
