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package com.mapbox.mapboxsdk.annotations;
import android.support.annotation.NonNull;
import com.mapbox.mapboxsdk.views.MapView;
/**
* Annotation is the most general kind of overlay on top of a map,
* from which {@link InfoWindow} and {@link Marker} are derived: it manages
* attachment to a map and identification, but does not require
* content to be placed at a geographical point.
*/
public abstract class Annotation implements Comparable<Annotation> {
/**
* <p>
* The annotation id
* </p>
* Internal C++ id is stored as unsigned int.
*/
private long id = -1; // -1 unless added to a MapView
private MapView mapView;
protected Annotation() {
}
/**
* <p>
* Gets the annotation's unique ID.
* </p>
* This ID is unique for a MapView instance and is suitable for associating your own extra
* data with.
*/
public long getId() {
return id;
}
public void remove() {
if (mapView == null) {
return;
}
mapView.removeAnnotation(this);
}
/**
* Do not use this method. Used internally by the SDK.
*/
public void setId(long id) {
this.id = id;
}
/**
* Do not use this method. Used internally by the SDK.
*/
public void setMapView(MapView mapView) {
this.mapView = mapView;
}
protected MapView getMapView() {
if (mapView == null) {
return null;
}
return mapView;
}
@Override
public int compareTo(@NonNull Annotation annotation) {
if (id < annotation.getId()) {
return 1;
} else if (id > annotation.getId()) {
return -1;
}
// Equal
return 0;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Annotation that = (Annotation) o;
return getId() == that.getId();
}
@Override
public int hashCode() {
return (int) (getId() ^ (getId() >>> 32));
}
}
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