Android Open Source - android-open-street-map Map Entity

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License

The source code is released under:
Apache License
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Java Source Code

package com.android.lib.map.osm.models;
/*from ww  w.ja  va2  s . co  m*/
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;

import com.android.lib.map.osm.utils.DateUtil;

import android.content.ContentValues;
import android.database.Cursor;


public class MapEntity extends OsmModel {

  public static final String ENTITY_TYPE_REGION = "REGION";
  public static final String ENTITY_TYPE_TRIP = "TRIP";
  
  private static final String TABLE_ENTITY_NAME = "mapEntities";

  public int    c_entityId;
  public int    c_associatedEntityId;
  public String  c_associatedEntityType;
  public String  c_title;
  public double  c_maxLat;
  public double  c_maxLon;
  public double  c_minLat;
  public double  c_minLon;
  public Calendar  c_creationDate;
  
  
  public static MapEntity getById(int entityId) {
    
    MapEntity mapEntity = null;
    Cursor c = mDbHelper.get(TABLE_ENTITY_NAME, "entityId=" + entityId, 
        null, null, "1"); 
    while (c.moveToNext()) {
      
      mapEntity = getEntityFromCursor(c);
      
      break;
    }
    c.close();
    return mapEntity;
  }
  
  public static int deleteById(int entityId) {
    return mDbHelper.delete(TABLE_ENTITY_NAME, "entityId=" + entityId);
  }
  
  public static boolean hasEntity(int associatedEntityId, String associatedEntityType) {
    String[] columnsSelected = {"entityId"};
    Cursor c = mDbHelper.get(TABLE_ENTITY_NAME, "associatedEntityId=" + associatedEntityId 
        + " AND associatedEntityType LIKE '" + associatedEntityType + "'", 
        columnsSelected, null, null); 
    
    if (c.getCount() > 0) {
      c.close();
      return true;
    }
    
    c.close();
    return false;
  }
  
  public static int insertEntity(int associatedEntityId, String associatedEntityType, String associatedEntityTitle,
      double maxLat, double minLat, double maxLon, double minLon) {
    
    boolean hasEntity = false;
    if (associatedEntityId != 0)
      hasEntity = hasEntity(associatedEntityId, associatedEntityType);
    
    long id = 0;
    
    if (!hasEntity) {
      //INSERT
      ContentValues tileValues = new ContentValues();
      tileValues.put("associatedEntityId", associatedEntityId);
      tileValues.put("associatedEntityType", associatedEntityType);
      tileValues.put("title", associatedEntityTitle);
      tileValues.put("maxLat", maxLat);
      tileValues.put("maxLon", maxLon);
      tileValues.put("minLat", minLat);
      tileValues.put("minLon", minLon);
      tileValues.put("creationDate", DateUtil.longToSqlDateFormat(
          Calendar.getInstance().getTimeInMillis()));
      id = mDbHelper.insert(TABLE_ENTITY_NAME, tileValues);
    }
    return (int) id;
  }
  
  public static List<MapEntity> getEntities() {

    List<MapEntity> mapEntities = new ArrayList<MapEntity>();
    
    Cursor c = mDbHelper.get(TABLE_ENTITY_NAME, null, null, "creationDate DESC", null);
    
    while (c.moveToNext()) {
      
      MapEntity mapEntity = getEntityFromCursor(c);
      mapEntities.add(mapEntity);
    }
    
    c.close();
    return mapEntities;
  }
  
  public static MapEntity getEntityFromCursor(Cursor c) {
    MapEntity mapEntity = new MapEntity();
    mapEntity.c_entityId = c.getInt(c.getColumnIndex("entityId"));
    mapEntity.c_associatedEntityId = c.getInt(c.getColumnIndex("associatedEntityId"));
    mapEntity.c_associatedEntityType = c.getString(c.getColumnIndex("associatedEntityType"));
    mapEntity.c_title = c.getString(c.getColumnIndex("title"));
    mapEntity.c_maxLon = c.getDouble(c.getColumnIndex("maxLon"));
    mapEntity.c_maxLat = c.getDouble(c.getColumnIndex("maxLat"));
    mapEntity.c_minLon = c.getDouble(c.getColumnIndex("minLon"));
    mapEntity.c_minLat = c.getDouble(c.getColumnIndex("minLat"));
    mapEntity.c_creationDate = DateUtil.stringToCalendar(c.getString(c.getColumnIndex("creationDate")));
    return mapEntity;
  }
}
Java Source Code List
