/// <summary>
/// Serializes this shortcuts db to the given stream and returns the # of bytes written.
/// </summary>
public long Serialize(Stream stream)
{
// trim data structures.
_shortcuts.Resize(_shortcutsPointer);
_stops.Resize(_stopsPointer);
// write version #.
long size = 1;
stream.WriteByte(1);
// write profile name.
size += stream.WriteWithSize(_profile.FullName);
// serialize the db-meta.
size += _dbMeta.WriteWithSize(stream);
// write the stops count and the shortcuts count.
var bytes = BitConverter.GetBytes(_stopsPointer);
stream.Write(bytes, 0, 4);
size += 4;
bytes = BitConverter.GetBytes(_shortcutsPointer);
stream.Write(bytes, 0, 4);
size += 4;
// write stops meta and data.
size += _stopsMeta.Serialize(stream);
size += _stops.CopyTo(stream);
// write shortcut meta and data.
size += _shortcutsMeta.Serialize(stream);
size += _shortcuts.CopyTo(stream);
return(size);
}
public void TestDeserialize()
{
var refIndex = new AttributesIndex();
var id1 = refIndex.Add(new Attribute("key1", "value1"));
var id2 = refIndex.Add(new Attribute("key2", "value1"));
var id3 = refIndex.Add(new Attribute("key2", "value2"));
using (var memoryStream = new MemoryStream())
{
var size = refIndex.Serialize(memoryStream);
memoryStream.Seek(0, SeekOrigin.Begin);
var index = AttributesIndex.Deserialize(memoryStream, false);
Assert.AreEqual(size, memoryStream.Position);
var attributes = index.Get(id1);
Assert.IsNotNull(attributes);
Assert.AreEqual(1, attributes.Count);
Assert.AreEqual("key1", attributes.First().Key);
Assert.AreEqual("value1", attributes.First().Value);
attributes = index.Get(id2);
Assert.IsNotNull(attributes);
Assert.AreEqual(1, attributes.Count);
Assert.AreEqual("key2", attributes.First().Key);
Assert.AreEqual("value1", attributes.First().Value);
attributes = index.Get(id3);
Assert.IsNotNull(attributes);
Assert.AreEqual(1, attributes.Count);
Assert.AreEqual("key2", attributes.First().Key);
Assert.AreEqual("value2", attributes.First().Value);
memoryStream.Seek(0, SeekOrigin.Begin);
index = AttributesIndex.Deserialize(memoryStream, true);
Assert.AreEqual(size, memoryStream.Position);
attributes = index.Get(id1);
Assert.IsNotNull(attributes);
Assert.AreEqual(1, attributes.Count);
Assert.AreEqual("key1", attributes.First().Key);
Assert.AreEqual("value1", attributes.First().Value);
attributes = index.Get(id2);
Assert.IsNotNull(attributes);
Assert.AreEqual(1, attributes.Count);
Assert.AreEqual("key2", attributes.First().Key);
Assert.AreEqual("value1", attributes.First().Value);
attributes = index.Get(id3);
Assert.IsNotNull(attributes);
Assert.AreEqual(1, attributes.Count);
Assert.AreEqual("key2", attributes.First().Key);
Assert.AreEqual("value2", attributes.First().Value);
}
var random = new System.Random(116542346);
var keys = 100;
var values = 100000;
refIndex = new AttributesIndex();
var refIndexRef = new Dictionary <uint, IAttributeCollection>();
for (var i = 0; i < 1000; i++)
{
var attributes = new AttributeCollection();
for (var j = 0; j < random.Next(8); j++)
{
attributes.AddOrReplace(new Attribute(
string.Format("k{0}", random.Next(keys)),
string.Format("v{0}", random.Next(values))));
}
var id = refIndex.Add(attributes);
refIndexRef[id] = attributes;
}
using (var memoryStream = new MemoryStream())
{
var size = refIndex.Serialize(memoryStream);
memoryStream.Seek(0, SeekOrigin.Begin);
var index = AttributesIndex.Deserialize(memoryStream, false);
Assert.AreEqual(size, memoryStream.Position);
foreach (var refAttribute in refIndexRef)
{
var attributes = index.Get(refAttribute.Key);
Assert.AreEqual(refAttribute.Value.Count, attributes.Count);
foreach (var attribute in refAttribute.Value)
{
Assert.IsTrue(attributes.Contains(attribute.Key, attribute.Value));
}
foreach (var attribute in attributes)
{
Assert.IsTrue(refAttribute.Value.Contains(attribute.Key, attribute.Value));
}
}
memoryStream.Seek(0, SeekOrigin.Begin);
index = AttributesIndex.Deserialize(memoryStream, true);
Assert.AreEqual(size, memoryStream.Position);
foreach (var refAttribute in refIndexRef)
{
var attributes = index.Get(refAttribute.Key);
Assert.AreEqual(refAttribute.Value.Count, attributes.Count);
foreach (var attribute in refAttribute.Value)
{
Assert.IsTrue(attributes.Contains(attribute.Key, attribute.Value));
}
foreach (var attribute in attributes)
{
Assert.IsTrue(refAttribute.Value.Contains(attribute.Key, attribute.Value));
}
}
}
refIndex = new AttributesIndex(AttributesIndexMode.IncreaseOne);
id1 = refIndex.Add(new Attribute("key1", "value1"));
id2 = refIndex.Add(new Attribute("key2", "value1"));
id3 = refIndex.Add(new Attribute("key2", "value2"));
using (var memoryStream = new MemoryStream())
{
var size = refIndex.Serialize(memoryStream);
memoryStream.Seek(0, SeekOrigin.Begin);
var index = AttributesIndex.Deserialize(memoryStream, false);
Assert.AreEqual(size, memoryStream.Position);
var attributes = index.Get(id1);
Assert.IsNotNull(attributes);
Assert.AreEqual(1, attributes.Count);
Assert.AreEqual("key1", attributes.First().Key);
Assert.AreEqual("value1", attributes.First().Value);
attributes = index.Get(id2);
Assert.IsNotNull(attributes);
Assert.AreEqual(1, attributes.Count);
Assert.AreEqual("key2", attributes.First().Key);
Assert.AreEqual("value1", attributes.First().Value);
attributes = index.Get(id3);
Assert.IsNotNull(attributes);
Assert.AreEqual(1, attributes.Count);
Assert.AreEqual("key2", attributes.First().Key);
Assert.AreEqual("value2", attributes.First().Value);
memoryStream.Seek(0, SeekOrigin.Begin);
index = AttributesIndex.Deserialize(memoryStream, true);
Assert.AreEqual(size, memoryStream.Position);
attributes = index.Get(id1);
Assert.IsNotNull(attributes);
Assert.AreEqual(1, attributes.Count);
Assert.AreEqual("key1", attributes.First().Key);
Assert.AreEqual("value1", attributes.First().Value);
attributes = index.Get(id2);
Assert.IsNotNull(attributes);
Assert.AreEqual(1, attributes.Count);
Assert.AreEqual("key2", attributes.First().Key);
Assert.AreEqual("value1", attributes.First().Value);
attributes = index.Get(id3);
Assert.IsNotNull(attributes);
Assert.AreEqual(1, attributes.Count);
Assert.AreEqual("key2", attributes.First().Key);
Assert.AreEqual("value2", attributes.First().Value);
}
random = new System.Random(116542346);
keys = 100;
values = 100000;
refIndex = new AttributesIndex(AttributesIndexMode.IncreaseOne);
refIndexRef = new Dictionary <uint, IAttributeCollection>();
for (var i = 0; i < 1000; i++)
{
var attributes = new AttributeCollection();
for (var j = 0; j < random.Next(8); j++)
{
attributes.AddOrReplace(new Attribute(
string.Format("k{0}", random.Next(keys)),
string.Format("v{0}", random.Next(values))));
}
var id = refIndex.Add(attributes);
refIndexRef[id] = attributes;
}
using (var memoryStream = new MemoryStream())
{
var size = refIndex.Serialize(memoryStream);
memoryStream.Seek(0, SeekOrigin.Begin);
var index = AttributesIndex.Deserialize(memoryStream, false);
Assert.AreEqual(size, memoryStream.Position);
foreach (var refAttribute in refIndexRef)
{
var attributes = index.Get(refAttribute.Key);
Assert.AreEqual(refAttribute.Value.Count, attributes.Count);
foreach (var attribute in refAttribute.Value)
{
Assert.IsTrue(attributes.Contains(attribute.Key, attribute.Value));
}
foreach (var attribute in attributes)
{
Assert.IsTrue(refAttribute.Value.Contains(attribute.Key, attribute.Value));
}
}
memoryStream.Seek(0, SeekOrigin.Begin);
index = AttributesIndex.Deserialize(memoryStream, true);
Assert.AreEqual(size, memoryStream.Position);
foreach (var refAttribute in refIndexRef)
{
var attributes = index.Get(refAttribute.Key);
Assert.AreEqual(refAttribute.Value.Count, attributes.Count);
foreach (var attribute in refAttribute.Value)
{
Assert.IsTrue(attributes.Contains(attribute.Key, attribute.Value));
}
foreach (var attribute in attributes)
{
Assert.IsTrue(refAttribute.Value.Contains(attribute.Key, attribute.Value));
}
}
}
}
public void TestSerialize()
{
using (var memoryStream = new MemoryStream())
{
var index = new AttributesIndex();
Assert.AreEqual(17, index.Serialize(memoryStream));
Assert.AreEqual(17, memoryStream.Position);
}
using (var memoryStream = new MemoryStream())
{
var index = new AttributesIndex();
index.Add(new Attribute("1", "2"));
Assert.AreEqual(32, index.Serialize(memoryStream));
Assert.AreEqual(32, memoryStream.Position);
}
using (var memoryStream = new MemoryStream())
{
var index = new AttributesIndex();
index.Add(new Attribute("1", "2"));
index.Add(new Attribute("1", "2"));
index.Add(new Attribute("1", "2"));
Assert.AreEqual(32, index.Serialize(memoryStream));
Assert.AreEqual(32, memoryStream.Position);
}
using (var memoryStream = new MemoryStream())
{
var index = new AttributesIndex();
index.Add(new Attribute("1", "2"));
index.Add(new Attribute("1", "2"));
index.Add(new Attribute("2", "1"));
Assert.AreEqual(41, index.Serialize(memoryStream));
Assert.AreEqual(41, memoryStream.Position);
}
using (var memoryStream = new MemoryStream())
{
var index = new AttributesIndex(AttributesIndexMode.IncreaseOne);
Assert.AreEqual(16 + 9, index.Serialize(memoryStream));
Assert.AreEqual(16 + 9, memoryStream.Position);
}
using (var memoryStream = new MemoryStream())
{
var index = new AttributesIndex(AttributesIndexMode.IncreaseOne);
index.Add(new Attribute("1", "2"));
Assert.AreEqual(31 + 1 + 8 + 4, index.Serialize(memoryStream));
Assert.AreEqual(31 + 1 + 8 + 4, memoryStream.Position);
}
using (var memoryStream = new MemoryStream())
{
var index = new AttributesIndex(AttributesIndexMode.IncreaseOne | AttributesIndexMode.ReverseAll);
index.Add(new Attribute("1", "2"));
index.Add(new Attribute("1", "2"));
index.Add(new Attribute("1", "2"));
Assert.AreEqual(31 + 1 + 8 + 4, index.Serialize(memoryStream));
Assert.AreEqual(31 + 1 + 8 + 4, memoryStream.Position);
}
using (var memoryStream = new MemoryStream())
{
var index = new AttributesIndex(AttributesIndexMode.IncreaseOne | AttributesIndexMode.ReverseAll);
index.Add(new Attribute("1", "2"));
index.Add(new Attribute("1", "2"));
index.Add(new Attribute("2", "1"));
Assert.AreEqual(40 + 1 + 8 + 4 * 2, index.Serialize(memoryStream));
Assert.AreEqual(40 + 1 + 8 + 4 * 2, memoryStream.Position);
}
}
/// <summary>
/// Writes this database to the given stream.
/// </summary>
public long Serialize(Stream stream, bool toReadonly)
{
var position = stream.Position;
// write version #.
// version1: OsmSharp.Routing state of layout.
// version2: Added ShortcutsDbs.
// version3: Add advanced profile serialization.
// version4: Added missing restriction dbs.
long size = 1;
stream.WriteByte(4);
// write guid.
stream.Write(_guid.ToByteArray(), 0, 16);
size += 16;
// serialize supported profiles.
var lengthBytes = BitConverter.GetBytes(_supportedVehicles.Count);
size += 4;
stream.Write(lengthBytes, 0, 4);
foreach (var vehicle in _supportedVehicles)
{
size += vehicle.Value.Serialize(stream);
}
// serialize the db-meta.
size += _dbMeta.WriteWithSize(stream);
// serialize the # of shortcutsdbs profiles.
if (_shortcutsDbs.Count > byte.MaxValue)
{
throw new Exception("Cannot serialize a router db with more than 255 shortcut dbs.");
}
stream.WriteByte((byte)_shortcutsDbs.Count);
size += 1;
// serialize the # of contracted profiles.
if (_contracted.Count > byte.MaxValue)
{
throw new Exception("Cannot serialize a router db with more than 255 contracted graphs.");
}
stream.WriteByte((byte)_contracted.Count);
size += 1;
// serialize the # of restriction dbs.
if (_restrictionDbs.Count > byte.MaxValue)
{
throw new Exception("Cannot serialize a router db with more than 255 restriction dbs.");
}
stream.WriteByte((byte)_restrictionDbs.Count);
size += 1;
// serialize edge profiles.
size += _edgeProfiles.Serialize(new LimitedStream(stream));
stream.Seek(position + size, System.IO.SeekOrigin.Begin);
// serialize meta-data.
size += _meta.Serialize(new LimitedStream(stream));
stream.Seek(position + size, System.IO.SeekOrigin.Begin);
// serialize network.
size += _network.Serialize(new LimitedStream(stream));
stream.Seek(position + size, System.IO.SeekOrigin.Begin);
// serialize all shortcut dbs.
foreach (var shortcutsDb in _shortcutsDbs)
{
size += stream.WriteWithSize(shortcutsDb.Key);
size += shortcutsDb.Value.Serialize(
new LimitedStream(stream));
}
// serialize all contracted networks.
foreach (var contracted in _contracted)
{
size += stream.WriteWithSize(contracted.Key);
size += contracted.Value.Serialize(
new LimitedStream(stream), toReadonly);
}
// serialize all restriction dbs.
foreach (var restrictionDb in _restrictionDbs)
{
size += stream.WriteWithSize(restrictionDb.Key);
size += restrictionDb.Value.Serialize(stream);
}
return(size);
}