LabelStore (mapsforge-map 0.17.0 API)

All Known Implementing Classes:

MapDataStoreLabelStore, TileBasedLabelStore
```
public interface LabelStore
```
The LabelStore is an abstract store for labels from which it is possible to retrieve a priority-ordered queue of items that are visible within a given bounding box for a zoom level.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`clear()`	Clears the data.
`int`	`getVersion()`	Returns a version number, which changes every time an update is made to the LabelStore.
`java.util.List<org.mapsforge.core.mapelements.MapElementContainer>`	`getVisibleItems(org.mapsforge.core.model.Tile upperLeft, org.mapsforge.core.model.Tile lowerRight)`	Gets the items that are visible on a set of tiles.

- Method Detail
  - clear
```
void clear()
```
    Clears the data.
  - getVersion
```
int getVersion()
```
    Returns a version number, which changes every time an update is made to the LabelStore.
    
    Returns:
    
    the version number
  - getVisibleItems
```
java.util.List<org.mapsforge.core.mapelements.MapElementContainer> getVisibleItems(org.mapsforge.core.model.Tile upperLeft,
                                                                                   org.mapsforge.core.model.Tile lowerRight)
```
    Gets the items that are visible on a set of tiles.
    
    Parameters:
    
    upperLeft - tile in upper left corner of visible area.
    
    lowerRight - tile in lower right corner of visible area.
    
    Returns:
    
    a list of MapElements that are visible on the tiles.