/// <summary>
/// Returns true if the object passes through this filter.
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public override bool Evaluate(SimpleOsmGeo obj)
{
string value;
if (obj.Tags != null &&
obj.Tags.TryGetValue(_key, out value))
{
return value == _value;
}
return false;
}
private bool MoveNextRelation()
{
if (_relation_reader == null)
{
OracleCommand relation_command = new OracleCommand("select * from relation order by id");
relation_command.Connection = _connection;
_relation_reader = relation_command.ExecuteReader();
if (!_relation_reader.Read())
{
_relation_reader.Close();
}
OracleCommand relation_tag_command = new OracleCommand("select * from relation_tags order by relation_id");
relation_tag_command.Connection = _connection;
_relation_tag_reader = relation_tag_command.ExecuteReader();
if (!_relation_tag_reader.IsClosed && !_relation_tag_reader.Read())
{
_relation_tag_reader.Close();
}
OracleCommand relation_node_command = new OracleCommand("select * from relation_members order by relation_id,sequence_id");
relation_node_command.Connection = _connection;
_relation_member_reader = relation_node_command.ExecuteReader();
if (!_relation_member_reader.IsClosed && !_relation_member_reader.Read())
{
_relation_member_reader.Close();
}
}
// read next relation.
if (!_relation_reader.IsClosed)
{
// load/parse data.
long id = _relation_reader.GetInt64(0);
long changeset_id = _relation_reader.GetInt64(1);
DateTime timestamp = _relation_reader.GetDateTime(2);
bool visible = _relation_reader.GetInt64(3) == 1;
long version = _relation_reader.GetInt64(4);
string user = _relation_reader.GetString(5);
long uid = _relation_reader.GetInt64(6);
SimpleRelation relation = new SimpleRelation();
relation.Id = id;
relation.ChangeSetId = changeset_id;
relation.TimeStamp = timestamp;
relation.UserId = null;
relation.UserName = null;
relation.Version = (ulong)version;
relation.Visible = visible;
relation.UserName = user;
relation.UserId = uid;
if (!_relation_tag_reader.IsClosed)
{
long returned_id = _relation_tag_reader.GetInt64(0);
while (returned_id == relation.Id.Value)
{
if (relation.Tags == null)
{
relation.Tags = new Dictionary<string, string>();
}
string key = _relation_tag_reader.GetString(1);
string value = _relation_tag_reader.GetString(2);
relation.Tags.Add(key, value);
if (!_relation_tag_reader.Read())
{
_relation_tag_reader.Close();
returned_id = -1;
}
else
{
returned_id = _relation_tag_reader.GetInt64(0);
}
}
}
if (!_relation_member_reader.IsClosed)
{
long returned_id = _relation_member_reader.GetInt64(0);
while (returned_id == relation.Id.Value)
{
if (relation.Members == null)
{
relation.Members = new List<SimpleRelationMember>();
}
string member_type = _relation_member_reader.GetString(1);
long member_id = _relation_member_reader.GetInt64(2);
object member_role = _relation_member_reader.GetValue(3);
SimpleRelationMember member = new SimpleRelationMember();
member.MemberId = member_id;
if (member_role != DBNull.Value)
{
member.MemberRole = member_role as string;
}
switch (member_type)
{
case "Node":
member.MemberType = SimpleRelationMemberType.Node;
break;
case "Way":
member.MemberType = SimpleRelationMemberType.Way;
break;
case "Relation":
member.MemberType = SimpleRelationMemberType.Relation;
break;
}
relation.Members.Add(member);
if (!_relation_member_reader.Read())
{
_relation_member_reader.Close();
returned_id = -1;
}
else
{
returned_id = _relation_member_reader.GetInt64(0);
}
}
}
// set the current variable!
_current = relation;
// advance the reader(s).
if (!_relation_reader.Read())
{
_relation_reader.Close();
}
if (!_relation_tag_reader.IsClosed && !_relation_tag_reader.Read())
{
_relation_tag_reader.Close();
}
if (!_relation_member_reader.IsClosed && !_relation_member_reader.Read())
{
_relation_member_reader.Close();
}
return true;
}
else
{
_relation_reader.Close();
_relation_reader.Dispose();
_relation_reader = null;
_relation_tag_reader.Close();
_relation_tag_reader.Dispose();
_relation_tag_reader = null;
_current_type = SimpleOsmGeoType.Relation;
return false;
}
}
private bool MoveNextNode()
{
if (_node_reader == null)
{
OracleCommand node_command = new OracleCommand("select * from node order by id");
node_command.Connection = _connection;
_node_reader = node_command.ExecuteReader();
if (!_node_reader.Read())
{
_node_reader.Close();
}
OracleCommand node_tag_command = new OracleCommand("select * from node_tags order by node_id");
node_tag_command.Connection = _connection;
_node_tag_reader = node_tag_command.ExecuteReader();
if (!_node_tag_reader.Read())
{
_node_tag_reader.Close();
}
}
// read next node.
if (!_node_reader.IsClosed)
{
// load/parse data.
long id = _node_reader.GetInt64(0);
long latitude_int = _node_reader.GetInt64(1);
long longitude_int = _node_reader.GetInt64(2);
long changeset_id = _node_reader.GetInt64(3);
bool visible = _node_reader.GetInt64(4) == 1;
DateTime timestamp = _node_reader.GetDateTime(5);
long tile = _node_reader.GetInt64(6);
long version = _node_reader.GetInt64(7);
string user = _node_reader.GetString(8);
long uid = _node_reader.GetInt64(9);
SimpleNode node = new SimpleNode();
node.Id = id;
node.Latitude = latitude_int;
node.Longitude = longitude_int;
node.ChangeSetId = changeset_id;
node.TimeStamp = timestamp;
node.UserId = null;
node.UserName = null;
node.Version = (ulong)version;
node.Visible = visible;
node.UserName = user;
node.UserId = uid;
if (!_node_tag_reader.IsClosed)
{
long returned_id = _node_tag_reader.GetInt64(0);
while (returned_id == node.Id.Value)
{
if (node.Tags == null)
{
node.Tags = new Dictionary<string, string>();
}
string key = _node_tag_reader.GetString(1);
string value = _node_tag_reader.GetString(2);
node.Tags.Add(key, value);
if (!_node_tag_reader.Read())
{
_node_tag_reader.Close();
}
returned_id = _node_tag_reader.GetInt64(0);
}
}
// set the current variable!
_current = node;
// advance the reader(s).
if (!_node_reader.Read())
{
_node_reader.Close();
}
if (!_node_tag_reader.IsClosed && !_node_tag_reader.Read())
{
_node_tag_reader.Close();
}
return true;
}
else
{
_node_reader.Close();
_node_reader.Dispose();
_node_reader = null;
_node_tag_reader.Close();
_node_tag_reader.Dispose();
_node_tag_reader = null;
_current_type = SimpleOsmGeoType.Way;
return false;
}
}
/// <summary>
/// Resets the current source.
/// </summary>
public override void Reset()
{
_current = null;
_current_type = SimpleOsmGeoType.Node;
if (_node_reader != null)
{
_node_reader.Close();
_node_reader.Dispose();
_node_reader = null;
}
if (_node_tag_reader != null)
{
_node_tag_reader.Close();
_node_tag_reader.Dispose();
_node_tag_reader = null;
}
}
/// <summary>
/// Returns true if the object passed through the filter.
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public override bool Evaluate(SimpleOsmGeo obj)
{
return obj.Tags.ContainsKey(_tag);
}
/// <summary>
/// Moves this source to the next object.
/// </summary>
/// <returns></returns>
public override bool MoveNext()
{
while (_reader.Read())
{
if (_reader.NodeType == XmlNodeType.Element && (_reader.Name == "node" || _reader.Name == "way" || _reader.Name == "relation"))
{
// create a stream for only this element.
string name = _reader.Name;
string next_element = _reader.ReadOuterXml();
XmlReader reader = XmlReader.Create(new MemoryStream(Encoding.UTF8.GetBytes(next_element)));
object osm_obj = null;
// select type of element.
switch (name)
{
case "node":
osm_obj = _ser_node.Deserialize(reader);
if (osm_obj is OsmSharp.Osm.Xml.v0_6.node)
{
_next = XmlSimpleConverter.ConvertToSimple(osm_obj as OsmSharp.Osm.Xml.v0_6.node);
return true;
}
break;
case "way":
osm_obj = _ser_way.Deserialize(reader);
if (osm_obj is OsmSharp.Osm.Xml.v0_6.way)
{
_next = XmlSimpleConverter.ConvertToSimple(osm_obj as OsmSharp.Osm.Xml.v0_6.way);
return true;
}
break;
case "relation":
osm_obj = _ser_relation.Deserialize(reader);
if (osm_obj is OsmSharp.Osm.Xml.v0_6.relation)
{
_next = XmlSimpleConverter.ConvertToSimple(osm_obj as OsmSharp.Osm.Xml.v0_6.relation);
return true;
}
break;
}
}
}
_next = null;
return false;
}
/// <summary>
/// Resetting this data source
/// </summary>
public override void Reset()
{
_current = null;
_stream.Seek(0, SeekOrigin.Begin);
}
/// <summary>
/// Moves to the next object.
/// </summary>
/// <returns></returns>
public override bool MoveNext()
{
if (!_relationKeepObjects && !_wayKeepNodes)
{ // simple here just filter!
bool filter_ok = false;
while (!filter_ok)
{
if (this.Source.MoveNext())
{
SimpleOsmGeo current = this.Source.Current();
switch (current.Type)
{
case SimpleOsmGeoType.Node:
if (_nodesFilter == null ||
_nodesFilter.Evaluate(current))
{
_current = current;
return true;
}
break;
case SimpleOsmGeoType.Way:
if (_waysFilter == null ||
_waysFilter.Evaluate(current))
{
_current = current;
return true;
}
break;
case SimpleOsmGeoType.Relation:
if (_relationsFilter == null ||
_relationsFilter.Evaluate(current))
{
_current = current;
return true;
}
break;
}
}
else
{ // there is no more data in the source!
return false;
}
}
}
return false;
}
/// <summary>
/// Resets this filter.
/// </summary>
public override void Reset()
{
_current = null;
this.Source.Reset();
}
/// <summary>
/// Returns true if this object pass through this filter.
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public override bool Evaluate(SimpleOsmGeo obj)
{
return obj.Type == _type;
}
/// <summary> /// Evaluates the filter against the osm object. /// </summary> /// <param name="obj"></param> /// <returns></returns> public abstract bool Evaluate(SimpleOsmGeo obj);
private bool MoveNextWay()
{
if (_wayReader == null)
{
SQLiteCommand way_command = new SQLiteCommand("select * from way where id > 26478817 order by id");
way_command.Connection = _connection;
_wayReader = way_command.ExecuteReader();
if (!_wayReader.Read())
{
_wayReader.Close();
}
SQLiteCommand way_tag_command = new SQLiteCommand("select * from way_tags where way_id > 26478817 order by way_id");
way_tag_command.Connection = _connection;
_wayTagReader = way_tag_command.ExecuteReader();
if (!_wayTagReader.IsClosed && !_wayTagReader.Read())
{
_wayTagReader.Close();
}
SQLiteCommand way_node_command = new SQLiteCommand("select * from way_nodes where way_id > 26478817 order by way_id,sequence_id");
way_node_command.Connection = _connection;
_wayNodeReader = way_node_command.ExecuteReader();
if (!_wayNodeReader.IsClosed && !_wayNodeReader.Read())
{
_wayNodeReader.Close();
}
}
// read next way.
if (!_wayReader.IsClosed)
{
SimpleWay way = new SimpleWay();
way.Id = _wayReader.GetInt64(0);
way.ChangeSetId = _wayReader.GetInt64(1);
way.TimeStamp = _wayReader.IsDBNull(3) ? DateTime.MinValue : _wayReader.GetDateTime(3);
//way.UserId = _way_reader.GetInt64(6);
//way.UserName = _way_reader.GetString(5);
way.Version = (ulong)_wayReader.GetInt64(4);
way.Visible = _wayReader.GetInt64(2) == 1;
if (!_wayTagReader.IsClosed)
{
long returned_id = _wayTagReader.GetInt64(_wayTagReader.GetOrdinal("way_id"));
while (returned_id == way.Id.Value)
{
if (way.Tags == null)
{
way.Tags = new Dictionary<string, string>();
}
string key = _wayTagReader.GetString(1);
string value = _wayTagReader.GetString(2);
way.Tags.Add(key, value);
if (!_wayTagReader.Read())
{
_wayTagReader.Close();
returned_id = -1;
}
else
{
returned_id = _wayTagReader.GetInt64(0);
}
}
}
if (!_wayNodeReader.IsClosed)
{
long returned_id = _wayNodeReader.GetInt64(_wayNodeReader.GetOrdinal("way_id"));
while (returned_id == way.Id.Value)
{
if (way.Nodes == null)
{
way.Nodes = new List<long>();
}
long node_id = _wayNodeReader.GetInt64(1);
way.Nodes.Add(node_id);
if (!_wayNodeReader.Read())
{
_wayNodeReader.Close();
returned_id = -1;
}
else
{
returned_id = _wayNodeReader.GetInt64(0);
}
}
}
// set the current variable!
_current = way;
// advance the reader(s).
if (!_wayReader.Read())
{
_wayReader.Close();
}
if (!_wayTagReader.IsClosed && !_wayTagReader.Read())
{
_wayTagReader.Close();
}
if (!_wayNodeReader.IsClosed && !_wayNodeReader.Read())
{
_wayNodeReader.Close();
}
return true;
}
else
{
_wayReader.Close();
_wayReader.Dispose();
_wayReader = null;
_wayTagReader.Close();
_wayTagReader.Dispose();
_wayTagReader = null;
_currentType = SimpleOsmGeoType.Relation;
return false;
}
}
private bool MoveNextNode()
{
if (_nodeReader == null)
{
SQLiteCommand node_command = new SQLiteCommand("select * from node left join node_tags on node_tags.node_id = node.id order by node.id");
node_command.Connection = _connection;
_nodeReader = node_command.ExecuteReader();
if (!_nodeReader.Read())
_nodeReader.Close();
}
// read next node.
if (!_nodeReader.IsClosed)
{
// load/parse data.
SimpleNode node = new SimpleNode();
node.Id = _nodeReader.GetInt64(0);
node.Latitude = _nodeReader.GetInt64(1)/10000000.0;
node.Longitude = _nodeReader.GetInt64(2)/10000000.0;
node.ChangeSetId = _nodeReader.GetInt64(3);
node.TimeStamp = _nodeReader.GetDateTime(5);
node.Version = (ulong) _nodeReader.GetInt64(7);
node.Visible = _nodeReader.GetInt64(4) == 1;
//node.UserName = _node_reader.GetString(8);
//node.UserId = _node_reader.IsDBNull(9) ? -1 : _node_reader.GetInt64(9);
//Has tags?
if (!_nodeReader.IsDBNull(10))
{
//if (node.Tags == null)
//node.Tags = new Dictionary<string, string>();
long currentnode = node.Id.Value;
while(currentnode == node.Id.Value){
//string key = _node_reader.GetString(11);
//string value = _node_reader.GetString(12);
//node.Tags.Add(key, value);
if (!_nodeReader.Read())
{
_nodeReader.Close();
break;
}
currentnode = _nodeReader.GetInt64(0);
}
}else if (!_nodeReader.Read())
_nodeReader.Close();
// set the current variable!
_current = node;
return true;
}
_nodeReader.Close();
_nodeReader.Dispose();
_nodeReader = null;
_currentType = SimpleOsmGeoType.Way;
return false;
}
/// <summary>
/// Initializes this source.
/// </summary>
public override void Initialize()
{
_connection = new SQLiteConnection(_connectionString);
_connection.Open();
_current = null;
_currentType = SimpleOsmGeoType.Node;
_nodeReader = null;
}
private bool MoveNextWay()
{
if (_way_reader == null)
{
OracleCommand way_command = new OracleCommand("select * from way order by id");
way_command.Connection = _connection;
_way_reader = way_command.ExecuteReader();
if (!_way_reader.Read())
{
_way_reader.Close();
}
OracleCommand way_tag_command = new OracleCommand("select * from way_tags order by way_id");
way_tag_command.Connection = _connection;
_way_tag_reader = way_tag_command.ExecuteReader();
if (!_way_tag_reader.IsClosed && !_way_tag_reader.Read())
{
_way_tag_reader.Close();
}
OracleCommand way_node_command = new OracleCommand("select * from way_nodes order by way_id,sequence_id");
way_node_command.Connection = _connection;
_way_node_reader = way_node_command.ExecuteReader();
if (!_way_node_reader.IsClosed && !_way_node_reader.Read())
{
_way_node_reader.Close();
}
}
// read next way.
if (!_way_reader.IsClosed)
{
// load/parse data.
long id = _way_reader.GetInt64(0);
long changeset_id = _way_reader.GetInt64(1);
DateTime timestamp = _way_reader.GetDateTime(2);
bool visible = _way_reader.GetInt64(3) == 1;
long version = _way_reader.GetInt64(4);
string user = _way_reader.GetString(5);
long uid = _way_reader.GetInt64(6);
SimpleWay way = new SimpleWay();
way.Id = id;
way.ChangeSetId = changeset_id;
way.TimeStamp = timestamp;
way.UserId = uid;
way.UserName = user;
way.Version = (ulong)version;
way.Visible = visible;
if (!_way_tag_reader.IsClosed)
{
long returned_id = _way_tag_reader.GetInt64(_way_tag_reader.GetOrdinal("way_id"));
while (returned_id == way.Id.Value)
{
if (way.Tags == null)
{
way.Tags = new Dictionary<string, string>();
}
string key = _way_tag_reader.GetString(1);
string value = _way_tag_reader.GetString(2);
way.Tags.Add(key, value);
if (!_way_tag_reader.Read())
{
_way_tag_reader.Close();
returned_id = -1;
}
else
{
returned_id = _way_tag_reader.GetInt64(0);
}
}
}
if (!_way_node_reader.IsClosed)
{
long returned_id = _way_node_reader.GetInt64(_way_node_reader.GetOrdinal("way_id"));
while (returned_id == way.Id.Value)
{
if (way.Nodes == null)
{
way.Nodes = new List<long>();
}
long node_id = _way_node_reader.GetInt64(1);
way.Nodes.Add(node_id);
if (!_way_node_reader.Read())
{
_way_node_reader.Close();
returned_id = -1;
}
else
{
returned_id = _way_node_reader.GetInt64(0);
}
}
}
// set the current variable!
_current = way;
// advance the reader(s).
if (!_way_reader.Read())
{
_way_reader.Close();
}
if (!_way_tag_reader.IsClosed && !_way_tag_reader.Read())
{
_way_tag_reader.Close();
}
if (!_way_node_reader.IsClosed && !_way_node_reader.Read())
{
_way_node_reader.Close();
}
return true;
}
else
{
_way_reader.Close();
_way_reader.Dispose();
_way_reader = null;
_way_tag_reader.Close();
_way_tag_reader.Dispose();
_way_tag_reader = null;
_current_type = SimpleOsmGeoType.Relation;
return false;
}
}
/// <summary>
/// Returns true if this object pass through this filter.
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public override bool Evaluate(SimpleOsmGeo obj)
{
switch (_op)
{
case FilterCombineOperatorEnum.And:
return _filter1.Evaluate(obj) && _filter2.Evaluate(obj);
case FilterCombineOperatorEnum.Or:
return _filter1.Evaluate(obj) || _filter2.Evaluate(obj);
case FilterCombineOperatorEnum.Not:
return !_filter1.Evaluate(obj);
}
return false;
}
/// <summary>
/// Initialiers this oracle source.
/// </summary>
public override void Initialize()
{
_connection = new OracleConnection(_connection_string);
_connection.Open();
_current = null;
_current_type = SimpleOsmGeoType.Node;
_node_reader = null;
_node_tag_reader = null;
}
/// <summary>
/// Initializes this source.
/// </summary>
public override void Initialize()
{
_next = null;
_ser_node = new XmlSerializer(typeof(Osm.Xml.v0_6.node));
_ser_way = new XmlSerializer(typeof(Osm.Xml.v0_6.way));
_ser_relation = new XmlSerializer(typeof(Osm.Xml.v0_6.relation));
this.Reset();
}
/// <summary>
/// Returns true if the given object is relevant in the bounding box.
/// </summary>
/// <param name="osm_geo"></param>
/// <returns></returns>
private bool IsInBB(SimpleOsmGeo osm_geo)
{
bool is_in = false;
switch (osm_geo.Type)
{
case SimpleOsmGeoType.Node:
is_in = _box.IsInside(new GeoCoordinate(
(osm_geo as SimpleNode).Latitude.Value,
(osm_geo as SimpleNode).Longitude.Value));
break;
case SimpleOsmGeoType.Way:
foreach (long node_id in (osm_geo as SimpleWay).Nodes)
{
if (_nodes_in.Contains(node_id))
{
is_in = true;
break;
}
}
if (is_in)
{
foreach (long node_id in (osm_geo as SimpleWay).Nodes)
{
_nodes_to_include.Add(node_id);
}
}
break;
case SimpleOsmGeoType.Relation:
if (!_relations_considered.Contains(osm_geo.Id.Value))
{
foreach (SimpleRelationMember member in (osm_geo as SimpleRelation).Members)
{
switch (member.MemberType.Value)
{
case SimpleRelationMemberType.Node:
if (_nodes_in.Contains(member.MemberId.Value))
{
is_in = true;
break;
}
break;
case SimpleRelationMemberType.Way:
if (_ways_in.Contains(member.MemberId.Value))
{
is_in = true;
break;
}
break;
case SimpleRelationMemberType.Relation:
if (_relation_in.Contains(member.MemberId.Value))
{
is_in = true;
break;
}
break;
}
}
if (is_in)
{
foreach (SimpleRelationMember member in (osm_geo as SimpleRelation).Members)
{
switch (member.MemberType.Value)
{
case SimpleRelationMemberType.Node:
_nodes_to_include.Add(member.MemberId.Value);
break;
case SimpleRelationMemberType.Way:
_ways_to_include.Add(member.MemberId.Value);
break;
case SimpleRelationMemberType.Relation:
_relations_to_include.Add(member.MemberId.Value);
break;
}
}
}
}
break;
}
return is_in;
}
/// <summary>
/// Moves to the next object.
/// </summary>
/// <returns></returns>
public override bool MoveNext()
{
KeyValuePair<PrimitiveBlock, object> next_pbf_primitive = this.MoveToNextPrimitive();
if (next_pbf_primitive.Value != null)
{ // there is a primitive.
_current = this.Convert(next_pbf_primitive);
return true;
}
return false;
}