/// <summary>
/// Tests a simple relation read/write operation.
/// </summary>
/// <param name="cache"></param>
public void DoOsmDataCacheTestRelation(OsmDataCache cache)
{
Relation relation = Relation.Create(1, new TagsCollection(
Tag.Create("relation", "yes")), RelationMember.Create(1, "something", OsmGeoType.Node));
// test invalid stuff.
Assert.Throws <ArgumentNullException>(() => cache.AddRelation(null));
Assert.Throws <Exception>(() => cache.AddRelation(new Relation()));
Assert.IsNull(cache.GetRelation(relation.Id.Value));
cache.AddRelation(relation);
Assert.IsTrue(cache.ContainsRelation(relation.Id.Value));
Relation readRelation = cache.GetRelation(relation.Id.Value);
Assert.IsNotNull(readRelation);
Assert.AreEqual(1, readRelation.Id.Value);
Assert.IsNotNull(relation.Tags);
Assert.AreEqual(1, relation.Tags.Count);
Assert.AreEqual("yes", relation.Tags["relation"]);
Assert.IsTrue(cache.TryGetRelation(relation.Id.Value, out readRelation));
Assert.IsNotNull(readRelation);
Assert.AreEqual(1, readRelation.Id.Value);
Assert.IsNotNull(relation.Tags);
Assert.AreEqual(1, relation.Tags.Count);
Assert.AreEqual("yes", relation.Tags["relation"]);
Assert.IsTrue(cache.RemoveRelation(relation.Id.Value));
Assert.IsFalse(cache.ContainsRelation(relation.Id.Value));
Assert.IsFalse(cache.RemoveRelation(relation.Id.Value));
}
/// <summary>
/// Seeks for objects that are children of other objects.
/// </summary>
private void Seek()
{
var relations = new List <Relation>();
_simpleSource.Initialize();
while (_simpleSource.MoveNext(true, false, false))
{
var osmGeo = _simpleSource.Current();
switch (osmGeo.Type)
{
case OsmGeoType.Way:
var way = (osmGeo as Way);
if (way.Nodes != null)
{
foreach (long nodeId in way.Nodes)
{
this.MarkNodeAsChild(nodeId);
}
}
break;
case OsmGeoType.Relation:
var relation = (osmGeo as Relation);
if (relation.Members != null)
{
foreach (RelationMember member in relation.Members)
{
switch (member.MemberType.Value)
{
case OsmGeoType.Node:
this.MarkNodeAsChild(member.MemberId.Value);
break;
case OsmGeoType.Way:
this.MarkWayAsChild(member.MemberId.Value);
break;
case OsmGeoType.Relation:
this.MarkRelationAsChild(member.MemberId.Value);
break;
}
}
}
relations.Add(relation);
break;
}
}
foreach (var relation in relations)
{
if (_relationsToInclude.Contains(relation.Id.Value))
{ // yep, cache relation!
_dataCache.AddRelation(relation);
}
}
_simpleSource.Reset();
}
/// <summary>
/// Cache all needed relations.
/// </summary>
private void CacheRelations()
{
// TODO: enhance this to only cache relations that are not in the correct 'order' in the stream.
foreach (OsmGeo osmGeo in _simpleSource)
{
switch (osmGeo.Type)
{
case OsmGeoType.Relation:
if (_relationsToInclude.Contains(osmGeo.Id.Value))
{ // yep, cache relation!
_dataCache.AddRelation(osmGeo as Relation);
}
break;
}
}
_simpleSource.Reset();
}
/// <summary>
/// Tests the clear functionality on the datacache.
/// </summary>
/// <param name="cache"></param>
public void DoOsmDataCacheTestClear(OsmDataCache cache)
{
Node node = Node.Create(1, new TagsCollection(
Tag.Create("node", "yes")), 1, 2);
Way way = Way.Create(1, new TagsCollection(
Tag.Create("way", "yes")), 1, 2);
Relation relation = Relation.Create(1, new TagsCollection(
Tag.Create("relation", "yes")), RelationMember.Create(1, "something", OsmGeoType.Node));
cache.AddNode(node);
cache.AddWay(way);
cache.AddRelation(relation);
Assert.IsTrue(cache.ContainsNode(node.Id.Value));
Assert.IsTrue(cache.ContainsWay(way.Id.Value));
Assert.IsTrue(cache.ContainsRelation(relation.Id.Value));
cache.Clear();
Assert.IsFalse(cache.ContainsNode(node.Id.Value));
Assert.IsFalse(cache.ContainsWay(way.Id.Value));
Assert.IsFalse(cache.ContainsRelation(relation.Id.Value));
}