/**************************************************************************
OSMemory library for OSM data processing.
Copyright (C) 2014 Aleś Bułojčyk <alex73mail@gmail.com>
This 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 3 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 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.alex73.osmemory;
import java.util.Collections;
import java.util.Map;
/**
* Simple node object representation. Simple nodes don't have tags, i.e. can be used only in ways and
* relations.
*/
public class OsmSimpleNode implements IOsmNode {
private final static short[] EMPTY_SHORT_LIST = new short[0];
private final long id;
/**
* Latitude and longitude stored as integer, like in o5m. It allows to minimize memory and increase
* performance in some cases. All coordinates in OSM stored with 7 digits after point precision.
*/
private final int lat, lon;
public OsmSimpleNode(MemoryStorage storage, int pos) {
this.id = storage.simpleNodeIds[pos];
this.lat = storage.simpleNodeLats[pos];
this.lon = storage.simpleNodeLons[pos];
}
@Override
public long getId() {
return id;
}
@Override
public int getLat() {
return lat;
}
@Override
public int getLon() {
return lon;
}
@Override
public double getLatitude() {
return lat * DIVIDER;
}
public double getLongitude() {
return lon * DIVIDER;
}
@Override
public boolean hasTag(short tagKey) {
return false;
}
@Override
public boolean hasTag(String tagName, MemoryStorage storage) {
return false;
}
@Override
public short[] getTags() {
return EMPTY_SHORT_LIST;
}
@Override
public String getTag(short tagKey) {
return null;
}
@Override
public String getTag(String tagName, MemoryStorage storage) {
return null;
}
@Override
public Map<String, String> extractTags(MemoryStorage storage) {
return Collections.emptyMap();
}
@Override
public int getType() {
return IOsmObject.TYPE_NODE;
}
@Override
public boolean isNode() {
return true;
}
@Override
public boolean isWay() {
return false;
}
@Override
public boolean isRelation() {
return false;
}
@Override
public String getObjectCode() {
return IOsmObject.getNodeCode(id);
}
@Override
public IOsmObjectID getObjectID() {
return new OsmObjectID(TYPE_NODE, id);
}
@Override
public short getUser() {
return -1;
}
@Override
public String getUser(MemoryStorage storage) {
return null;
}
}