/// <summary>
/// Tests writing data and getting ways using it's nodes.
/// </summary>
protected void TestGetWaysForNode()
{
this.NotifyEmptyExpected(); // empty test database.
// create the target and pull the data from the test-file into the sqlite database.
OsmStreamTarget target = this.CreateDataStreamTarget();
target.Initialize();
PBFOsmStreamSource source = new PBFOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Data.Test.Unittests.Data.Osm.test.osm.pbf"));
IDataSourceReadOnly dataSource = this.CreateDataSource();
source.Initialize();
while (source.MoveNext())
{
switch (source.Current().Type)
{
case OsmGeoType.Way:
Way way = (source.Current() as Way);
target.AddWay(way);
target.Flush();
if (way.Nodes != null)
{
foreach (long nodeId in way.Nodes)
{
IList <Way> ways = dataSource.GetWaysFor(nodeId);
Assert.IsNotNull(ways);
Assert.IsTrue(ways.Count > 0);
List <Way> foundWays = new List <Way>(ways.Where <Way>(x => x.Id == way.Id));
Assert.AreEqual(1, foundWays.Count);
}
}
break;
}
}
MemoryDataSource memorySource = MemoryDataSource.CreateFrom(source);
foreach (Way way in memorySource.GetWays())
{
if (way.Nodes != null)
{
foreach (long nodeId in way.Nodes)
{
IList <Way> ways = dataSource.GetWaysFor(nodeId);
Assert.IsNotNull(ways);
Assert.IsTrue(ways.Count > 0);
List <Way> foundWays = new List <Way>(ways.Where <Way>(x => x.Id == way.Id));
Assert.AreEqual(1, foundWays.Count);
}
}
}
}
/// <summary>
/// Returns all ways containing the given node.
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public override IList <Way> GetWaysFor(long id)
{
IList <Way> ways = _source.GetWaysFor(id);
foreach (Way way in ways)
{
_waysCache.Add(way.Id.Value, way);
}
return(ways);
}
