/// <summary>
/// Deletes the relation with the given id.
/// </summary>
public static void DeleteRelation(this ISnapshotDb db, long id)
{
db.Delete(new OsmGeoKey()
{
Id = id,
Type = OsmGeoType.Relation
});
}
/// <summary>
/// Deletes the way with the given id.
/// </summary>
public static void DeleteWay(this ISnapshotDb db, long id)
{
db.Delete(new OsmGeoKey()
{
Id = id,
Type = OsmGeoType.Way
});
}
/// <summary>
/// Creates a new osm simple complete stream.
/// </summary>
public OsmSimpleCompleteStreamSource(OsmStreamSource source, ISnapshotDb cache)
{
_dataCache = cache;
_simpleSource = source;
_nodesToInclude = new HashSet <long>();
_nodesUsedTwiceOrMore = new Dictionary <long, int>();
_waysToInclude = new HashSet <long>();
_waysUsedTwiceOrMore = new Dictionary <long, int>();
_relationsToInclude = new HashSet <long>();
_relationsUsedTwiceOrMore = new Dictionary <long, int>();
}
private readonly OsmStreamSource _simpleSource; // Holds the simple source of object.
/// <summary>
/// Creates a new osm simple complete stream.
/// </summary>
public OsmSimpleCompleteStreamSource(OsmStreamSource source)
{
// create an in-memory cache by default.
_dataCache = (new MemorySnapshotDb()).CreateSnapshotDb();
_simpleSource = source;
_nodesToInclude = new HashSet <long>();
_nodesUsedTwiceOrMore = new Dictionary <long, int>();
_waysToInclude = new HashSet <long>();
_waysUsedTwiceOrMore = new Dictionary <long, int>();
_relationsToInclude = new HashSet <long>();
_relationsUsedTwiceOrMore = new Dictionary <long, int>();
}
/// <summary>
/// Interprets an OSM-object and returns the correctponding geometry.
/// </summary>
public virtual FeatureCollection Interpret(OsmGeo osmGeo, ISnapshotDb data)
{
switch (osmGeo.Type)
{
case OsmGeoType.Node:
return(this.Interpret(osmGeo as Node));
case OsmGeoType.Way:
return(this.Interpret((osmGeo as Way).CreateComplete(data)));
case OsmGeoType.Relation:
return(this.Interpret((osmGeo as Relation).CreateComplete(data)));
}
throw new ArgumentOutOfRangeException();
}
/// <summary>
/// Gets all osm objects with the given types and the given id's.
/// </summary>
public static IList <OsmGeo> Get(this ISnapshotDb db, IList <OsmGeoType> type, IList <long> id)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
if (id == null)
{
throw new ArgumentNullException("id");
}
if (id.Count != type.Count)
{
throw new ArgumentException("Type and id lists need to have the same size.");
}
var result = new List <OsmGeo>();
for (int i = 0; i < id.Count; i++)
{
result.Add(db.Get(type[i], id[i]));
}
return(result);
}
/// <summary>
/// Converts the given source to a complete stream.
/// </summary>
public static Complete.OsmCompleteStreamSource ToComplete(this IEnumerable <OsmGeo> source, ISnapshotDb cache)
{
return(new OsmSharp.Streams.Complete.OsmSimpleCompleteStreamSource(
new OsmSharp.Streams.OsmEnumerableStreamSource(source), cache));
}
/// <summary>
/// Adds or objects the given object.
/// </summary>
public static void AddOrUpdate(this ISnapshotDb db, OsmGeo osmGeo)
{
db.AddOrUpdate(new OsmGeo[] { osmGeo });
}
/// <summary>
/// Deletes the relation with the given id.
/// </summary>
public static void DeleteRelation(this ISnapshotDb db, long id)
{
db.Delete(new OsmGeoKey(OsmGeoType.Relation, id));
}
/// <summary>
/// Deletes the way with the given id.
/// </summary>
public static void DeleteWay(this ISnapshotDb db, long id)
{
db.Delete(new OsmGeoKey(OsmGeoType.Way, id));
}
/// <summary>
/// Deletes the node with the given id.
/// </summary>
public static void DeleteNode(this ISnapshotDb db, long id)
{
db.Delete(new OsmGeoKey(OsmGeoType.Node, id));
}
/// <summary>
/// Deletes the object for the given key.
/// </summary>
public static void Delete(this ISnapshotDb db, OsmGeoKey key)
{
db.Delete(new OsmGeoKey[] { key });
}
/// <summary>
/// Gets all data in the form of a complete stream.
/// </summary>
public static OsmCompleteStreamSource GetComplete(this ISnapshotDb db)
{
return(new Streams.Complete.OsmCompleteEnumerableStreamSource(
db.Get().Select(x => x.CreateComplete(db))));
}
