/// <summary>
/// Creates a new router database.
/// </summary>
private RouterDb(Guid guid, RoutingNetwork network, AttributesIndex profiles, AttributesIndex meta, MappedAttributesIndex metaVertex, MetaCollectionDb vertexData,
IAttributeCollection dbMeta, Profiles.Vehicle[] supportedVehicles)
{
_guid = guid;
_network = network;
_edgeProfiles = profiles;
_meta = meta;
_metaVertex = metaVertex;
_vertexData = vertexData;
_dbMeta = dbMeta;
_supportedVehicles = new Dictionary <string, Vehicle>();
_supportedProfiles = new Dictionary <string, Profile>();
foreach (var vehicle in supportedVehicles)
{
_supportedVehicles[vehicle.Name.ToLowerInvariant()] = vehicle;
foreach (var profile in vehicle.GetProfiles())
{
_supportedProfiles[profile.FullName.ToLowerInvariant()] = profile;
}
}
_contracted = new Dictionary <string, ContractedDb>();
_restrictionDbs = new Dictionary <string, RestrictionsDb>();
_shortcutsDbs = new Dictionary <string, ShortcutsDb>();
}
public void TestCreate()
{
var db = new MetaCollectionDb();
MetaCollection <int> col;
Assert.IsFalse(db.TryGet <int>("not-there", out col));
}
public void TestAddGet()
{
var db = new MetaCollectionDb();
var intCol = db.AddInt32("int");
intCol[1023] = 1;
var dblCol = db.AddDouble("double");
dblCol[1023] = 1;
Assert.IsTrue(db.TryGet <int>("int", out intCol));
Assert.IsTrue(db.TryGet <double>("double", out dblCol));
}
/// <summary>
/// Creates a new router database.
/// </summary>
public RouterDb(MemoryMap map, float maxEdgeDistance = Constants.DefaultMaxEdgeDistance)
{
_network = new RoutingNetwork(map, RoutingNetworkProfile.NoCache, maxEdgeDistance);
_edgeProfiles = new AttributesIndex(AttributesIndexMode.IncreaseOne
| AttributesIndexMode.ReverseAll);
_meta = new AttributesIndex(map, AttributesIndexMode.ReverseStringIndexKeysOnly);
_metaVertex = new MappedAttributesIndex();
_vertexData = new MetaCollectionDb();
_dbMeta = new AttributeCollection();
_supportedVehicles = new Dictionary <string, Vehicle>();
_supportedProfiles = new Dictionary <string, Profile>();
_contracted = new Dictionary <string, ContractedDb>();
_restrictionDbs = new Dictionary <string, RestrictionsDb>();
_shortcutsDbs = new Dictionary <string, ShortcutsDb>();
_guid = Guid.NewGuid();
}
public void TestSerializeDeserialize()
{
var db = new MetaCollectionDb();
var intCol = db.AddInt32("int");
var dblCol = db.AddDouble("double");
var size = 15213;
for (uint i = 0; i < size; i++)
{
intCol[i] = (int)(i * 2);
}
for (uint i = 0; i < size; i++)
{
dblCol[i] = i * .1;
}
using (var stream = new MemoryStream())
{
db.Serialize(stream);
stream.Seek(0, SeekOrigin.Begin);
db = MetaCollectionDb.Deserialize(stream, null);
}
Assert.IsTrue(db.TryGet <int>("int", out intCol));
Assert.IsTrue(db.TryGet <double>("double", out dblCol));
for (uint i = 0; i < intCol.Count; i++)
{
Assert.AreEqual((int)i * 2, intCol[i]);
}
for (uint i = 0; i < dblCol.Count; i++)
{
Assert.AreEqual(i * .1, dblCol[i]);
}
}
/// <summary>
/// Deserializes a database from the given stream.
/// </summary>
public static RouterDb Deserialize(Stream stream, RouterDbProfile profile)
{
// deserialize all basic data.
// version1: OsmSharp.Routing state of layout.
// version2: Added ShortcutsDbs.
// version3: Add advanced profile serialization.
// version4: Added missing restriction dbs.
// version5: Added new dual edge-based contracted graph.
// version6: Added vertex meta-data.
var version = stream.ReadByte();
if (version != 1 && version != 2 && version != 3 && version != 4 && version != 5 && version != 6)
{
throw new Exception(string.Format("Cannot deserialize routing db: Invalid version #: {0}.", version));
}
var guidBytes = new byte[16];
stream.Read(guidBytes, 0, 16);
var guid = new Guid(guidBytes);
var supportedVehicleInstances = new List <Vehicle>();
if (version <= 2)
{ // just contains vehicle names.
var supportedVehicles = stream.ReadWithSizeStringArray();
foreach (var vehicleName in supportedVehicles)
{
Profile vehicleProfile;
if (Profile.TryGet(vehicleName, out vehicleProfile))
{
supportedVehicleInstances.Add(vehicleProfile.Parent);
}
else
{
Itinero.Logging.Logger.Log("RouterDb", Logging.TraceEventType.Warning, "Vehicle with name {0} was not found, register all vehicle profiles before deserializing the router db.",
vehicleName);
}
}
}
else
{ // contains the full vehicles.
var lengthBytes = new byte[4];
stream.Read(lengthBytes, 0, 4);
var size = BitConverter.ToInt32(lengthBytes, 0);
for (var i = 0; i < size; i++)
{
var vehicle = Vehicle.Deserialize(stream);
supportedVehicleInstances.Add(vehicle);
vehicle.Register();
}
}
var metaDb = stream.ReadWithSizeAttributesCollection();
var shorcutsCount = (int)0;
if (version >= 2)
{ // when version < 1 there are no shortcuts and thus no shortcut count.
shorcutsCount = stream.ReadByte();
}
var contractedCount = stream.ReadByte();
var restrictionDbCount = 0;
if (version >= 4)
{
restrictionDbCount = stream.ReadByte();
}
var profiles = AttributesIndex.Deserialize(new LimitedStream(stream), true);
var meta = AttributesIndex.Deserialize(new LimitedStream(stream), true);
MappedAttributesIndex metaVertex = null;
MetaCollectionDb vertexData = null;
if (version >= 6)
{
metaVertex = MappedAttributesIndex.Deserialize(new LimitedStream(stream), profile == null ? null : profile.VertexMetaProfile);
vertexData = MetaCollectionDb.Deserialize(new LimitedStream(stream), profile == null ? null : profile.VertexDataProfile);
}
var network = RoutingNetwork.Deserialize(stream, profile == null ? null : profile.RoutingNetworkProfile);
// create router db.
var routerDb = new RouterDb(guid, network, profiles, meta, metaVertex, vertexData, metaDb, supportedVehicleInstances.ToArray());
// read all shortcut dbs.
for (var i = 0; i < shorcutsCount; i++)
{
var shortcutsName = stream.ReadWithSizeString();
var shorcutsDb = ShortcutsDb.Deserialize(stream);
routerDb._shortcutsDbs[shortcutsName] = shorcutsDb;
}
// read all contracted versions.
for (var i = 0; i < contractedCount; i++)
{
var profileName = stream.ReadWithSizeString();
var contracted = ContractedDb.Deserialize(stream, profile == null ? null : profile.ContractedDbProfile);
routerDb._contracted[profileName] = contracted;
}
// read all restriction dbs.
for (var i = 0; i < restrictionDbCount; i++)
{
var restrictionDbName = stream.ReadWithSizeString();
var restrictionDb = RestrictionsDb.Deserialize(stream, profile == null ? null : profile.RestrictionDbProfile);
routerDb._restrictionDbs[restrictionDbName] = restrictionDb;
}
return(routerDb);
}
