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relation_updater.cc
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relation_updater.cc
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/** Copyright 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Roland Olbricht et al.
*
* This file is part of Overpass_API.
*
* Overpass_API is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Overpass_API is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Overpass_API. If not, see <http://www.gnu.org/licenses/>.
*/
#include <algorithm>
#include <iostream>
#include <map>
#include <set>
#include <vector>
#include "../../template_db/block_backend.h"
#include "../../template_db/random_file.h"
#include "../core/datatypes.h"
#include "../core/settings.h"
#include "meta_updater.h"
#include "relation_updater.h"
#include "tags_updater.h"
Relation_Updater::Relation_Updater(Transaction& transaction_, meta_modes meta_)
: update_counter(0), transaction(&transaction_),
external_transaction(true),
max_role_id(0), max_written_role_id(0), meta(meta_), keys(*osm_base_settings().RELATION_KEYS)
{}
Relation_Updater::Relation_Updater(std::string db_dir_, meta_modes meta_)
: update_counter(0), transaction(0),
external_transaction(false),
max_role_id(0), max_written_role_id(0), db_dir(db_dir_), meta(meta_),
keys(*osm_base_settings().RELATION_KEYS)
{}
void Relation_Updater::load_roles()
{
if (!external_transaction)
transaction = new Nonsynced_Transaction(true, false, db_dir, "");
Block_Backend< Uint32_Index, String_Object > roles_db
(transaction->data_index(osm_base_settings().RELATION_ROLES));
for (Block_Backend< Uint32_Index, String_Object >::Flat_Iterator
it(roles_db.flat_begin()); !(it == roles_db.flat_end()); ++it)
{
role_ids[it.object().val()] = it.index().val();
if (max_role_id <= it.index().val())
max_role_id = it.index().val()+1;
}
max_written_role_id = max_role_id;
if (!external_transaction)
delete transaction;
}
uint32 Relation_Updater::get_role_id(const std::string& s)
{
if (max_role_id == 0)
load_roles();
std::map< std::string, uint32 >::const_iterator it(role_ids.find(s));
if (it != role_ids.end())
return it->second;
role_ids[s] = max_role_id;
++max_role_id;
return (max_role_id - 1);
}
std::map< Uint31_Index, std::set< Relation_Skeleton > > get_implicitly_moved_skeletons
(const std::map< Uint31_Index, std::set< Node_Skeleton > >& attic_nodes,
const std::map< Uint31_Index, std::set< Way_Skeleton > >& attic_ways,
const std::map< Uint31_Index, std::set< Relation_Skeleton > >& already_known_skeletons,
Transaction& transaction, const File_Properties& file_properties)
{
std::set< Uint31_Index > member_req;
for (std::map< Uint31_Index, std::set< Node_Skeleton > >::const_iterator
it = attic_nodes.begin(); it != attic_nodes.end(); ++it)
member_req.insert(it->first);
for (std::map< Uint31_Index, std::set< Way_Skeleton > >::const_iterator
it = attic_ways.begin(); it != attic_ways.end(); ++it)
member_req.insert(it->first);
std::set< Uint31_Index > req = calc_parents(member_req);
std::vector< Node_Skeleton::Id_Type > node_ids;
for (std::map< Uint31_Index, std::set< Node_Skeleton > >::const_iterator
it = attic_nodes.begin(); it != attic_nodes.end(); ++it)
{
for (std::set< Node_Skeleton >::const_iterator nit = it->second.begin(); nit != it->second.end(); ++nit)
node_ids.push_back(nit->id);
}
std::sort(node_ids.begin(), node_ids.end());
node_ids.erase(std::unique(node_ids.begin(), node_ids.end()), node_ids.end());
std::vector< Way_Skeleton::Id_Type > way_ids;
for (std::map< Uint31_Index, std::set< Way_Skeleton > >::const_iterator
it = attic_ways.begin(); it != attic_ways.end(); ++it)
{
for (std::set< Way_Skeleton >::const_iterator nit = it->second.begin(); nit != it->second.end(); ++nit)
way_ids.push_back(nit->id);
}
std::sort(way_ids.begin(), way_ids.end());
way_ids.erase(std::unique(way_ids.begin(), way_ids.end()), way_ids.end());
std::vector< Relation_Skeleton::Id_Type > known_relation_ids;
for (std::map< Uint31_Index, std::set< Relation_Skeleton > >::const_iterator
it = already_known_skeletons.begin(); it != already_known_skeletons.end(); ++it)
{
for (std::set< Relation_Skeleton >::const_iterator wit = it->second.begin(); wit != it->second.end(); ++wit)
known_relation_ids.push_back(wit->id);
}
std::sort(known_relation_ids.begin(), known_relation_ids.end());
known_relation_ids.erase(std::unique(known_relation_ids.begin(), known_relation_ids.end()), known_relation_ids.end());
std::map< Uint31_Index, std::set< Relation_Skeleton > > result;
Block_Backend< Uint31_Index, Relation_Skeleton > db(transaction.data_index(&file_properties));
for (Block_Backend< Uint31_Index, Relation_Skeleton >::Discrete_Iterator
it(db.discrete_begin(req.begin(), req.end())); !(it == db.discrete_end()); ++it)
{
if (binary_search(known_relation_ids.begin(), known_relation_ids.end(), it.object().id))
continue;
for (std::vector< Relation_Entry >::const_iterator nit = it.object().members.begin();
nit != it.object().members.end(); ++nit)
{
if (nit->type == Relation_Entry::NODE)
{
if (binary_search(node_ids.begin(), node_ids.end(), Node_Skeleton::Id_Type(nit->ref.val())))
{
result[it.index()].insert(it.object());
break;
}
}
else if (nit->type == Relation_Entry::WAY)
{
if (binary_search(way_ids.begin(), way_ids.end(), Way_Skeleton::Id_Type(nit->ref.val())))
{
result[it.index()].insert(it.object());
break;
}
}
}
}
return result;
}
/* Adds to attic_skeletons and new_skeletons all those relations that have moved just because
a node in these relations has moved.
We assert that every node id that appears in a relation in existing_skeletons has its Quad_Coord
in new_node_idx_by_id. */
void new_implicit_skeletons
(const std::map< Node_Skeleton::Id_Type, Quad_Coord >& new_node_idx_by_id,
const std::map< Way_Skeleton::Id_Type, Uint31_Index >& new_way_idx_by_id,
const std::map< Uint31_Index, std::set< Relation_Skeleton > >& existing_skeletons,
bool record_minuscule_moves,
std::map< Uint31_Index, std::set< Relation_Skeleton > >& attic_skeletons,
std::map< Uint31_Index, std::set< Relation_Skeleton > >& new_skeletons,
std::vector< std::pair< Relation::Id_Type, Uint31_Index > >& moved_relations)
{
for (std::map< Uint31_Index, std::set< Relation_Skeleton > >::const_iterator it = existing_skeletons.begin();
it != existing_skeletons.end(); ++it)
{
for (std::set< Relation_Skeleton >::const_iterator it2 = it->second.begin(); it2 != it->second.end(); ++it2)
attic_skeletons[it->first].insert(*it2);
}
for (std::map< Uint31_Index, std::set< Relation_Skeleton > >::const_iterator it = existing_skeletons.begin();
it != existing_skeletons.end(); ++it)
{
for (std::set< Relation_Skeleton >::const_iterator it2 = it->second.begin(); it2 != it->second.end(); ++it2)
{
std::vector< uint32 > member_idxs;
for (std::vector< Relation_Entry >::const_iterator nit = it2->members.begin();
nit != it2->members.end(); ++nit)
{
if (nit->type == Relation_Entry::NODE)
{
std::map< Node_Skeleton::Id_Type, Quad_Coord >::const_iterator it2
= new_node_idx_by_id.find(Node_Skeleton::Id_Type(nit->ref.val()));
if (it2 != new_node_idx_by_id.end())
member_idxs.push_back(it2->second.ll_upper);
}
else if (nit->type == Relation_Entry::WAY)
{
std::map< Way_Skeleton::Id_Type, Uint31_Index >::const_iterator it2
= new_way_idx_by_id.find(Way_Skeleton::Id_Type(nit->ref.val()));
if (it2 != new_way_idx_by_id.end())
member_idxs.push_back(it2->second.val());
}
}
Uint31_Index index = Relation::calc_index(member_idxs);
Relation_Skeleton new_skeleton = *it2;
new_skeleton.node_idxs.clear();
new_skeleton.way_idxs.clear();
if (Relation::indicates_geometry(index))
{
for (std::vector< Relation_Entry >::const_iterator nit = it2->members.begin();
nit != it2->members.end(); ++nit)
{
if (nit->type == Relation_Entry::NODE)
{
std::map< Node_Skeleton::Id_Type, Quad_Coord >::const_iterator it2
= new_node_idx_by_id.find(Node_Skeleton::Id_Type(nit->ref.val()));
if (it2 != new_node_idx_by_id.end())
new_skeleton.node_idxs.push_back(it2->second.ll_upper);
}
else if (nit->type == Relation_Entry::WAY)
{
std::map< Way_Skeleton::Id_Type, Uint31_Index >::const_iterator it2
= new_way_idx_by_id.find(Way_Skeleton::Id_Type(nit->ref.val()));
if (it2 != new_way_idx_by_id.end())
new_skeleton.way_idxs.push_back(it2->second);
}
}
new_skeletons[index].insert(new_skeleton);
}
else
new_skeletons[index].insert(new_skeleton);
if (!(index == it->first))
moved_relations.push_back(std::make_pair(it2->id, it->first));
}
}
}
inline std::map< Way_Skeleton::Id_Type, Uint31_Index > dictionary_from_skeletons
(const std::map< Uint31_Index, std::set< Way_Skeleton > >& new_way_skeletons)
{
std::map< Way_Skeleton::Id_Type, Uint31_Index > result;
for (std::map< Uint31_Index, std::set< Way_Skeleton > >::const_iterator
it = new_way_skeletons.begin(); it != new_way_skeletons.end(); ++it)
{
for (std::set< Way_Skeleton >::const_iterator nit = it->second.begin(); nit != it->second.end(); ++nit)
result.insert(std::make_pair(nit->id, it->first.val()));
}
return result;
}
void lookup_missing_nodes
(std::map< Node_Skeleton::Id_Type, Quad_Coord >& new_node_idx_by_id,
const Data_By_Id< Relation_Skeleton >& new_data,
const std::map< Uint31_Index, std::set< Relation_Skeleton > >& known_skeletons_1,
const std::map< Uint31_Index, std::set< Relation_Skeleton > >& known_skeletons_2,
Transaction& transaction)
{
std::vector< Node_Skeleton::Id_Type > missing_ids;
for (std::vector< Data_By_Id< Relation_Skeleton >::Entry >::const_iterator
it = new_data.data.begin(); it != new_data.data.end(); ++it)
{
if (it->idx == 0u)
// We don't touch deleted objects
continue;
std::vector< uint32 > nd_idxs;
for (std::vector< Relation_Entry >::const_iterator nit = it->elem.members.begin();
nit != it->elem.members.end(); ++nit)
{
if (nit->type == Relation_Entry::NODE &&
new_node_idx_by_id.find(nit->ref) == new_node_idx_by_id.end())
missing_ids.push_back(nit->ref);
}
}
for (std::map< Uint31_Index, std::set< Relation_Skeleton > >::const_iterator it = known_skeletons_1.begin();
it != known_skeletons_1.end(); ++it)
{
for (std::set< Relation_Skeleton >::const_iterator it2 = it->second.begin(); it2 != it->second.end(); ++it2)
{
for (std::vector< Relation_Entry >::const_iterator nit = it2->members.begin();
nit != it2->members.end(); ++nit)
{
if (nit->type == Relation_Entry::NODE &&
new_node_idx_by_id.find(nit->ref) == new_node_idx_by_id.end())
missing_ids.push_back(nit->ref);
}
}
}
for (std::map< Uint31_Index, std::set< Relation_Skeleton > >::const_iterator it = known_skeletons_2.begin();
it != known_skeletons_2.end(); ++it)
{
for (std::set< Relation_Skeleton >::const_iterator it2 = it->second.begin(); it2 != it->second.end(); ++it2)
{
for (std::vector< Relation_Entry >::const_iterator nit = it2->members.begin();
nit != it2->members.end(); ++nit)
{
if (nit->type == Relation_Entry::NODE &&
new_node_idx_by_id.find(nit->ref) == new_node_idx_by_id.end())
missing_ids.push_back(nit->ref);
}
}
}
std::sort(missing_ids.begin(), missing_ids.end());
missing_ids.erase(std::unique(missing_ids.begin(), missing_ids.end()), missing_ids.end());
// Collect all data of existing id indexes
std::vector< std::pair< Node_Skeleton::Id_Type, Uint31_Index > > existing_map_positions
= get_existing_map_positions(missing_ids, transaction, *osm_base_settings().NODES);
// Collect all data of existing skeletons
std::map< Uint31_Index, std::set< Node_Skeleton > > existing_skeletons
= get_existing_skeletons< Node_Skeleton >
(existing_map_positions, transaction, *osm_base_settings().NODES);
for (std::map< Uint31_Index, std::set< Node_Skeleton > >::const_iterator it = existing_skeletons.begin();
it != existing_skeletons.end(); ++it)
{
for (std::set< Node_Skeleton >::const_iterator it2 = it->second.begin(); it2 != it->second.end(); ++it2)
new_node_idx_by_id.insert(std::make_pair(it2->id, Quad_Coord(it->first.val(), it2->ll_lower)));
}
}
void lookup_missing_ways
(std::map< Way_Skeleton::Id_Type, Uint31_Index >& new_way_idx_by_id,
const Data_By_Id< Relation_Skeleton >& new_data,
const std::map< Uint31_Index, std::set< Relation_Skeleton > >& known_skeletons_1,
const std::map< Uint31_Index, std::set< Relation_Skeleton > >& known_skeletons_2,
Transaction& transaction)
{
std::vector< Way_Skeleton::Id_Type > missing_ids;
for (std::vector< Data_By_Id< Relation_Skeleton >::Entry >::const_iterator
it = new_data.data.begin(); it != new_data.data.end(); ++it)
{
if (it->idx == 0u)
// We don't touch deleted objects
continue;
std::vector< uint32 > nd_idxs;
for (std::vector< Relation_Entry >::const_iterator nit = it->elem.members.begin();
nit != it->elem.members.end(); ++nit)
{
if (nit->type == Relation_Entry::WAY &&
new_way_idx_by_id.find(Way_Skeleton::Id_Type(nit->ref.val())) == new_way_idx_by_id.end())
missing_ids.push_back(Way_Skeleton::Id_Type(nit->ref.val()));
}
}
for (std::map< Uint31_Index, std::set< Relation_Skeleton > >::const_iterator it = known_skeletons_1.begin();
it != known_skeletons_1.end(); ++it)
{
for (std::set< Relation_Skeleton >::const_iterator it2 = it->second.begin(); it2 != it->second.end(); ++it2)
{
for (std::vector< Relation_Entry >::const_iterator nit = it2->members.begin();
nit != it2->members.end(); ++nit)
{
if (nit->type == Relation_Entry::WAY &&
new_way_idx_by_id.find(Way_Skeleton::Id_Type(nit->ref.val())) == new_way_idx_by_id.end())
missing_ids.push_back(Way_Skeleton::Id_Type(nit->ref.val()));
}
}
}
for (std::map< Uint31_Index, std::set< Relation_Skeleton > >::const_iterator it = known_skeletons_2.begin();
it != known_skeletons_2.end(); ++it)
{
for (std::set< Relation_Skeleton >::const_iterator it2 = it->second.begin(); it2 != it->second.end(); ++it2)
{
for (std::vector< Relation_Entry >::const_iterator nit = it2->members.begin();
nit != it2->members.end(); ++nit)
{
if (nit->type == Relation_Entry::WAY &&
new_way_idx_by_id.find(Way_Skeleton::Id_Type(nit->ref.val())) == new_way_idx_by_id.end())
missing_ids.push_back(Way_Skeleton::Id_Type(nit->ref.val()));
}
}
}
std::sort(missing_ids.begin(), missing_ids.end());
missing_ids.erase(std::unique(missing_ids.begin(), missing_ids.end()), missing_ids.end());
// Collect all data of existing id indexes
std::vector< std::pair< Way_Skeleton::Id_Type, Uint31_Index > > existing_map_positions
= get_existing_map_positions(missing_ids, transaction, *osm_base_settings().WAYS);
// Collect all data of existing skeletons
std::map< Uint31_Index, std::set< Way_Skeleton > > existing_skeletons
= get_existing_skeletons< Way_Skeleton >
(existing_map_positions, transaction, *osm_base_settings().WAYS);
for (std::map< Uint31_Index, std::set< Way_Skeleton > >::const_iterator it = existing_skeletons.begin();
it != existing_skeletons.end(); ++it)
{
for (std::set< Way_Skeleton >::const_iterator it2 = it->second.begin(); it2 != it->second.end(); ++it2)
new_way_idx_by_id.insert(std::make_pair(it2->id, it->first.val()));
}
}
/* We assert that every node id that appears in a relation in existing_skeletons has its Quad_Coord
in new_node_idx_by_id. */
void compute_geometry
(const std::map< Node_Skeleton::Id_Type, Quad_Coord >& new_node_idx_by_id,
const std::map< Way_Skeleton::Id_Type, Uint31_Index >& new_way_idx_by_id,
Data_By_Id< Relation_Skeleton >& new_data)
{
std::vector< Data_By_Id< Relation_Skeleton >::Entry >::const_iterator next_it = new_data.data.begin();
for (std::vector< Data_By_Id< Relation_Skeleton >::Entry >::iterator
it = new_data.data.begin(); it != new_data.data.end(); ++it)
{
++next_it;
if (next_it != new_data.data.end() && next_it->elem.id == it->elem.id)
// We don't care on intermediate versions
continue;
if (it->idx == 0u)
// We don't touch deleted objects
continue;
std::vector< uint32 > member_idxs;
for (std::vector< Relation_Entry >::const_iterator nit = it->elem.members.begin();
nit != it->elem.members.end(); ++nit)
{
if (nit->type == Relation_Entry::NODE)
{
std::map< Node_Skeleton::Id_Type, Quad_Coord >::const_iterator it2
= new_node_idx_by_id.find(Node_Skeleton::Id_Type(nit->ref.val()));
if (it2 != new_node_idx_by_id.end())
member_idxs.push_back(it2->second.ll_upper);
else
std::cerr<<"compute_geometry: Node "<<nit->ref.val()<<" used in relation "<<it->elem.id.val()<<" not found.\n";
}
else if (nit->type == Relation_Entry::WAY)
{
std::map< Way_Skeleton::Id_Type, Uint31_Index >::const_iterator it2
= new_way_idx_by_id.find(Way_Skeleton::Id_Type(nit->ref.val()));
if (it2 != new_way_idx_by_id.end())
member_idxs.push_back(it2->second.val());
else
std::cerr<<"compute_geometry: Way "<<nit->ref.val()<<" used in relation "<<it->elem.id.val()<<" not found.\n";
}
}
Uint31_Index index = Relation::calc_index(member_idxs);
it->elem.node_idxs.clear();
it->elem.way_idxs.clear();
if (Relation::indicates_geometry(index))
{
for (std::vector< Relation_Entry >::const_iterator nit = it->elem.members.begin();
nit != it->elem.members.end(); ++nit)
{
if (nit->type == Relation_Entry::NODE)
{
std::map< Node_Skeleton::Id_Type, Quad_Coord >::const_iterator it2
= new_node_idx_by_id.find(Node_Skeleton::Id_Type(nit->ref.val()));
if (it2 != new_node_idx_by_id.end())
it->elem.node_idxs.push_back(it2->second.ll_upper);
}
else if (nit->type == Relation_Entry::WAY)
{
std::map< Way_Skeleton::Id_Type, Uint31_Index >::const_iterator it2
= new_way_idx_by_id.find(Way_Skeleton::Id_Type(nit->ref.val()));
if (it2 != new_way_idx_by_id.end())
it->elem.way_idxs.push_back(it2->second);
}
}
}
it->idx = index;
}
}
void compute_idx_and_geometry
(Uint31_Index& idx, Relation_Skeleton& skeleton,
uint64 expiration_timestamp,
const std::map< Node_Skeleton::Id_Type,
std::vector< std::pair< Uint31_Index, Attic< Node_Skeleton > > > >& nodes_by_id,
const std::map< Way_Skeleton::Id_Type,
std::vector< std::pair< Uint31_Index, Attic< Way_Skeleton::Id_Type > > > >& ways_by_id)
{
std::vector< Uint31_Index > node_idxs;
std::vector< Uint31_Index > way_idxs;
for (std::vector< Relation_Entry >::const_iterator mit = skeleton.members.begin();
mit != skeleton.members.end(); ++mit)
{
if (mit->type == Relation_Entry::NODE)
{
std::map< Node_Skeleton::Id_Type, std::vector< std::pair< Uint31_Index, Attic< Node_Skeleton > > > >
::const_iterator nit = nodes_by_id.find(Node_Skeleton::Id_Type(mit->ref.val()));
if (nit != nodes_by_id.end() && !nit->second.empty())
{
std::vector< std::pair< Uint31_Index, Attic< Node_Skeleton > > >::const_iterator
it2 = nit->second.begin();
while (it2 != nit->second.end() && it2->second.timestamp < expiration_timestamp)
++it2;
if (it2 != nit->second.end())
node_idxs.push_back(it2->first);
// Otherwise the node has expired before our relation - something has gone wrong seriously.
}
else
std::cerr<<"compute_idx_and_geometry: Node "<<mit->ref.val()<<" used in relation "<<skeleton.id.val()<<" not found.\n";
// Otherwise the node is not contained in our list - something has gone wrong seriously.
}
else if (mit->type == Relation_Entry::WAY)
{
std::map< Way_Skeleton::Id_Type,
std::vector< std::pair< Uint31_Index, Attic< Way_Skeleton::Id_Type > > > >
::const_iterator nit = ways_by_id.find(Way_Skeleton::Id_Type(mit->ref.val()));
if (nit != ways_by_id.end() && !nit->second.empty())
{
std::vector< std::pair< Uint31_Index, Attic< Way_Skeleton::Id_Type > > >::const_iterator
it2 = nit->second.begin();
while (it2 != nit->second.end() && it2->second.timestamp < expiration_timestamp)
++it2;
if (it2 != nit->second.end())
way_idxs.push_back(it2->first);
// Otherwise the way has expired before our relation - something has gone wrong seriously.
}
else
std::cerr<<"compute_idx_and_geometry: Way "<<mit->ref.val()<<" used in relation "<<skeleton.id.val()<<" not found.\n";
// Otherwise the way is not contained in our list - something has gone wrong seriously.
}
}
std::vector< uint32 > member_idxs;
for (std::vector< Uint31_Index >::const_iterator it = node_idxs.begin(); it != node_idxs.end(); ++it)
member_idxs.push_back(it->val());
for (std::vector< Uint31_Index >::const_iterator it = way_idxs.begin(); it != way_idxs.end(); ++it)
member_idxs.push_back(it->val());
std::sort(member_idxs.begin(), member_idxs.end());
member_idxs.erase(std::unique(member_idxs.begin(), member_idxs.end()), member_idxs.end());
idx = Relation::calc_index(member_idxs);
if (Relation::indicates_geometry(idx))
{
skeleton.node_idxs.swap(node_idxs);
skeleton.way_idxs.swap(way_idxs);
}
else
{
skeleton.node_idxs.clear();
skeleton.way_idxs.clear();
}
}
/* Checks the nds of the relation whether in the time window an underlying node has moved.
* If yes, the necessary intermediate versions are generated.
*/
Relation_Skeleton add_intermediate_versions
(const Relation_Skeleton& skeleton, const Relation_Skeleton& reference,
const uint64 old_timestamp, const uint64 new_timestamp,
const std::map< Node_Skeleton::Id_Type,
std::vector< std::pair< Uint31_Index, Attic< Node_Skeleton > > > >& nodes_by_id,
const std::map< Way_Skeleton::Id_Type,
std::vector< std::pair< Uint31_Index, Attic< Way_Skeleton::Id_Type > > > >& ways_by_id,
bool add_last_version, Uint31_Index attic_idx,
std::map< Uint31_Index, std::set< Attic< Relation_Delta > > >& full_attic,
std::map< Uint31_Index, std::set< Attic< Relation_Skeleton::Id_Type > > >& new_undeleted,
std::map< Relation_Skeleton::Id_Type, std::set< Uint31_Index > >& idx_lists)
{
std::vector< uint64 > relevant_timestamps;
for (std::vector< Relation_Entry >::const_iterator mit = skeleton.members.begin();
mit != skeleton.members.end(); ++mit)
{
if (mit->type == Relation_Entry::NODE)
{
std::map< Node_Skeleton::Id_Type, std::vector< std::pair< Uint31_Index, Attic< Node_Skeleton > > > >
::const_iterator nit = nodes_by_id.find(Node_Skeleton::Id_Type(mit->ref.val()));
if (nit != nodes_by_id.end() && !nit->second.empty())
{
for (std::vector< std::pair< Uint31_Index, Attic< Node_Skeleton > > >::const_iterator
it2 = nit->second.begin(); it2 != nit->second.end(); ++it2)
{
if (old_timestamp < it2->second.timestamp && it2->second.timestamp <= new_timestamp)
relevant_timestamps.push_back(it2->second.timestamp);
}
}
// Otherwise the node is not contained in our list. Could happen if it hasn't changed at all.
}
else if (mit->type == Relation_Entry::WAY)
{
std::map< Way_Skeleton::Id_Type,
std::vector< std::pair< Uint31_Index, Attic< Way_Skeleton::Id_Type > > > >
::const_iterator nit = ways_by_id.find(Way_Skeleton::Id_Type(mit->ref.val()));
if (nit != ways_by_id.end() && !nit->second.empty())
{
for (std::vector< std::pair< Uint31_Index, Attic< Way_Skeleton::Id_Type > > >::const_iterator
it2 = nit->second.begin(); it2 != nit->second.end(); ++it2)
{
if (old_timestamp < it2->second.timestamp && it2->second.timestamp <= new_timestamp)
relevant_timestamps.push_back(it2->second.timestamp);
}
}
// Otherwise the way is not contained in our list. Could happen if it hasn't changed at all.
}
}
std::sort(relevant_timestamps.begin(), relevant_timestamps.end());
relevant_timestamps.erase(std::unique(relevant_timestamps.begin(), relevant_timestamps.end()),
relevant_timestamps.end());
// Care for latest element
Uint31_Index idx = attic_idx;
Relation_Skeleton cur_skeleton = skeleton;
if (idx.val() == 0 || !relevant_timestamps.empty())
compute_idx_and_geometry(idx, cur_skeleton, new_timestamp, nodes_by_id, ways_by_id);
if (!relevant_timestamps.empty() && relevant_timestamps.back() == NOW)
relevant_timestamps.pop_back();
if ((add_last_version && old_timestamp < new_timestamp)
|| (!relevant_timestamps.empty() && relevant_timestamps.back() == new_timestamp))
{
Uint31_Index reference_idx;
Relation_Skeleton reference_skel = reference;
compute_idx_and_geometry(reference_idx, reference_skel, new_timestamp + 1, nodes_by_id, ways_by_id);
if (idx == reference_idx)
full_attic[idx].insert(Attic< Relation_Delta >(
Relation_Delta(reference_skel, cur_skeleton), new_timestamp));
else
full_attic[idx].insert(Attic< Relation_Delta >(
Relation_Delta(Relation_Skeleton(), cur_skeleton), new_timestamp));
idx_lists[skeleton.id].insert(idx);
// Manage undelete entries
if (!(idx == reference_idx) && !(reference_idx == Uint31_Index(0xfe)))
new_undeleted[reference_idx].insert(Attic< Relation_Skeleton::Id_Type >(skeleton.id, new_timestamp));
if (!relevant_timestamps.empty() && relevant_timestamps.back() == new_timestamp)
relevant_timestamps.pop_back();
}
// Track index for the undelete creation
Uint31_Index last_idx = idx;
Relation_Skeleton last_skeleton = cur_skeleton;
for (std::vector< uint64 >::const_iterator it = relevant_timestamps.end();
it != relevant_timestamps.begin(); )
{
--it;
Uint31_Index idx = attic_idx;
Relation_Skeleton cur_skeleton = skeleton;
if (idx.val() == 0 || it != relevant_timestamps.begin())
compute_idx_and_geometry(idx, cur_skeleton, *it, nodes_by_id, ways_by_id);
if (last_idx == idx)
full_attic[idx].insert(Attic< Relation_Delta >(
Relation_Delta(last_skeleton, cur_skeleton), *it));
else
full_attic[idx].insert(Attic< Relation_Delta >(
Relation_Delta(Relation_Skeleton(), cur_skeleton), *it));
idx_lists[skeleton.id].insert(idx);
// Manage undelete entries
if (!(last_idx == idx) && !(last_idx == Uint31_Index(0xfe)))
new_undeleted[last_idx].insert(Attic< Relation_Skeleton::Id_Type >(skeleton.id, *it));
last_idx = idx;
last_skeleton = cur_skeleton;
}
if (last_idx == attic_idx)
return last_skeleton;
else
return Relation_Skeleton();
}
/* Checks the nds of the relation whether in the time window an underlying node has moved.
* If yes, the necessary intermediate versions are generated.
*/
void add_intermediate_changelog_entries
(const Relation_Skeleton& skeleton, const uint64 old_timestamp, const uint64 new_timestamp,
const std::map< Node_Skeleton::Id_Type,
std::vector< std::pair< Uint31_Index, Attic< Node_Skeleton > > > >& nodes_by_id,
const std::map< Way_Skeleton::Id_Type,
std::vector< std::pair< Uint31_Index, Attic< Way_Skeleton::Id_Type > > > >& ways_by_id,
bool add_last_version, Uint31_Index attic_idx, Uint31_Index new_idx,
std::map< Timestamp, std::set< Change_Entry< Relation_Skeleton::Id_Type > > >& result)
{
std::vector< uint64 > relevant_timestamps;
for (std::vector< Relation_Entry >::const_iterator mit = skeleton.members.begin();
mit != skeleton.members.end(); ++mit)
{
if (mit->type == Relation_Entry::NODE)
{
std::map< Node_Skeleton::Id_Type, std::vector< std::pair< Uint31_Index, Attic< Node_Skeleton > > > >
::const_iterator nit = nodes_by_id.find(Node_Skeleton::Id_Type(mit->ref.val()));
if (nit != nodes_by_id.end() && !nit->second.empty())
{
for (std::vector< std::pair< Uint31_Index, Attic< Node_Skeleton > > >::const_iterator
it2 = nit->second.begin(); it2 != nit->second.end(); ++it2)
{
if (old_timestamp < it2->second.timestamp && it2->second.timestamp <= new_timestamp)
relevant_timestamps.push_back(it2->second.timestamp);
}
}
// Otherwise the node is not contained in our list. Could happen if it didn't changed at all.
}
else if (mit->type == Relation_Entry::WAY)
{
std::map< Way_Skeleton::Id_Type,
std::vector< std::pair< Uint31_Index, Attic< Way_Skeleton::Id_Type > > > >
::const_iterator nit = ways_by_id.find(Way_Skeleton::Id_Type(mit->ref.val()));
if (nit != ways_by_id.end() && !nit->second.empty())
{
for (std::vector< std::pair< Uint31_Index, Attic< Way_Skeleton::Id_Type > > >::const_iterator
it2 = nit->second.begin(); it2 != nit->second.end(); ++it2)
{
if (old_timestamp < it2->second.timestamp && it2->second.timestamp <= new_timestamp)
relevant_timestamps.push_back(it2->second.timestamp);
}
}
// Otherwise the way is not contained in our list. Could happen if it didn't changed at all.
}
}
std::sort(relevant_timestamps.begin(), relevant_timestamps.end());
relevant_timestamps.erase(std::unique(relevant_timestamps.begin(), relevant_timestamps.end()),
relevant_timestamps.end());
if (!relevant_timestamps.empty() && relevant_timestamps.back() == NOW)
relevant_timestamps.pop_back();
std::vector< Uint31_Index > idxs;
for (std::vector< uint64 >::const_iterator it = relevant_timestamps.begin();
it != relevant_timestamps.end(); ++it)
{
Uint31_Index idx = attic_idx;
attic_idx = Uint31_Index(0u);
Relation_Skeleton cur_skeleton = skeleton;
if (idx.val() == 0)
compute_idx_and_geometry(idx, cur_skeleton, *it, nodes_by_id, ways_by_id);
idxs.push_back(idx);
}
Uint31_Index idx = attic_idx;
Relation_Skeleton last_skeleton = skeleton;
if (idx.val() == 0)
compute_idx_and_geometry(idx, last_skeleton, new_timestamp, nodes_by_id, ways_by_id);
idxs.push_back(idx);
int i = 0;
for (std::vector< uint64 >::const_iterator it = relevant_timestamps.begin();
it != relevant_timestamps.end(); ++it)
{
result[Timestamp(*it)].insert(
Change_Entry< Relation_Skeleton::Id_Type >(skeleton.id, idxs[i], idxs[i+1]));
++i;
}
if (add_last_version)
result[Timestamp(new_timestamp)].insert(
Change_Entry< Relation_Skeleton::Id_Type >(skeleton.id, idx, new_idx));
}
bool geometrically_equal(const Relation_Skeleton& a, const Relation_Skeleton& b)
{
return (a.members == b.members);
}
void adapt_newest_existing_attic
(Uint31_Index old_idx, Uint31_Index new_idx,
const Attic< Relation_Delta >& existing_delta,
const Relation_Skeleton& existing_reference,
const Relation_Skeleton& new_reference,
std::map< Uint31_Index, std::set< Attic< Relation_Delta > > >& attic_skeletons_to_delete,
std::map< Uint31_Index, std::set< Attic< Relation_Delta > > >& full_attic)
{
Relation_Delta new_delta(old_idx == new_idx ? new_reference : Relation_Skeleton(),
existing_delta.expand(existing_reference));
if (new_delta.members_added != existing_delta.members_added
|| new_delta.members_removed != existing_delta.members_removed
|| new_delta.node_idxs_added != existing_delta.node_idxs_added
|| new_delta.node_idxs_removed != existing_delta.node_idxs_removed
|| new_delta.way_idxs_added != existing_delta.way_idxs_added
|| new_delta.way_idxs_removed != existing_delta.way_idxs_removed)
{
attic_skeletons_to_delete[old_idx].insert(existing_delta);
full_attic[new_idx].insert(Attic< Relation_Delta >(new_delta, existing_delta.timestamp));
std::cerr<<"Relation "<<existing_delta.id.val()<<" has changed at timestamp "
<<Timestamp(existing_delta.timestamp).str()<<" in two different diffs.\n";
}
}
/* Compares the new data and the already existing skeletons to determine those that have
* moved. This information is used to prepare the std::set of elements to store to attic.
* We use that in attic_skeletons can only appear elements with ids that exist also in new_data. */
void compute_new_attic_skeletons
(const Data_By_Id< Relation_Skeleton >& new_data,
const std::map< Uint31_Index, std::set< Relation_Skeleton > >& implicitly_moved_skeletons,
const std::vector< std::pair< Relation_Skeleton::Id_Type, Uint31_Index > >& existing_map_positions,
const std::vector< std::pair< Relation_Skeleton::Id_Type, Uint31_Index > >& attic_map_positions,
const std::map< Uint31_Index, std::set< Relation_Skeleton > >& attic_skeletons,
const std::map< Relation_Skeleton::Id_Type, std::pair< Uint31_Index, Attic< Relation_Delta > > >&
existing_attic_skeleton_timestamps,
const std::map< Node_Skeleton::Id_Type, Quad_Coord >& new_node_idx_by_id,
const std::map< Uint31_Index, std::set< Attic< Node_Skeleton > > >& new_attic_node_skeletons,
const std::map< Way_Skeleton::Id_Type, Uint31_Index >& new_way_idx_by_id,
const std::map< Uint31_Index, std::set< Attic< Way_Delta > > >& new_attic_way_skeletons,
std::map< Uint31_Index, std::set< Attic< Relation_Delta > > >& full_attic,
std::map< Uint31_Index, std::set< Attic< Relation_Skeleton::Id_Type > > >& new_undeleted,
std::map< Relation_Skeleton::Id_Type, std::set< Uint31_Index > >& idx_lists,
std::map< Uint31_Index, std::set< Attic< Relation_Delta > > >& attic_skeletons_to_delete)
{
// Fill nodes_by_id from attic nodes as well as the current nodes in new_node_idx_by_id
std::map< Node_Skeleton::Id_Type,
std::vector< std::pair< Uint31_Index, Attic< Node_Skeleton > > > > nodes_by_id
= collect_nodes_by_id(new_attic_node_skeletons, new_node_idx_by_id);
// Fill ways_by_id from attic ways as well as the current ways in new_way_idx_by_id
std::map< Way_Skeleton::Id_Type,
std::vector< std::pair< Uint31_Index, Attic< Way_Skeleton::Id_Type > > > > ways_by_id
= collect_ways_by_id(new_attic_way_skeletons, new_way_idx_by_id);
// Create full_attic and idx_lists by going through new_data and filling the gaps
std::vector< Data_By_Id< Relation_Skeleton >::Entry >::const_iterator next_it
= new_data.data.begin();
Relation_Skeleton::Id_Type last_id = Relation_Skeleton::Id_Type(0u);
for (std::vector< Data_By_Id< Relation_Skeleton >::Entry >::const_iterator
it = new_data.data.begin(); it != new_data.data.end(); ++it)
{
++next_it;
if (next_it != new_data.data.end() && it->elem.id == next_it->elem.id)
{
if (it->idx.val() != 0)
{
add_intermediate_versions(it->elem, next_it->elem, it->meta.timestamp, next_it->meta.timestamp,
nodes_by_id, ways_by_id,
// Add last version only if it differs from the next version
(next_it->idx.val() == 0 || !geometrically_equal(it->elem, next_it->elem)),
Uint31_Index(0u), full_attic, new_undeleted, idx_lists);
}
}
if (next_it == new_data.data.end() || !(it->elem.id == next_it->elem.id))
// This is the latest version of this element. Care here for changes since this element.
add_intermediate_versions(it->elem, Relation_Skeleton(), it->meta.timestamp, NOW,
nodes_by_id, ways_by_id, false, Uint31_Index(0u),
full_attic, new_undeleted, idx_lists);
if (last_id == it->elem.id)
{
// An earlier version exists also in new_data.
std::vector< Data_By_Id< Relation_Skeleton >::Entry >::const_iterator last_it = it;
--last_it;
if (last_it->idx == Uint31_Index(0u))
{
Uint31_Index it_idx = it->idx;
if (it_idx.val() == 0xff)
{
Relation_Skeleton skel = it->elem;
compute_idx_and_geometry(it_idx, skel, it->meta.timestamp + 1, nodes_by_id, ways_by_id);
}
new_undeleted[it_idx].insert(Attic< Relation_Skeleton::Id_Type >(it->elem.id, it->meta.timestamp));
}
continue;
}
else
{
const Uint31_Index* idx = binary_pair_search(existing_map_positions, it->elem.id);
const Uint31_Index* idx_attic = binary_pair_search(attic_map_positions, it->elem.id);
if (!idx && idx_attic)
{
Uint31_Index it_idx = it->idx;
if (it_idx.val() == 0xff)
{
Relation_Skeleton skel = it->elem;
compute_idx_and_geometry(it_idx, skel, it->meta.timestamp + 1, nodes_by_id, ways_by_id);
}
new_undeleted[it_idx].insert(Attic< Relation_Skeleton::Id_Type >(it->elem.id, it->meta.timestamp));
}
}
last_id = it->elem.id;
const Uint31_Index* idx = binary_pair_search(existing_map_positions, it->elem.id);
if (!idx)
// No old data exists. So there is nothing to do here.
continue;
std::map< Uint31_Index, std::set< Relation_Skeleton > >::const_iterator it_attic_idx
= attic_skeletons.find(*idx);
if (it_attic_idx == attic_skeletons.end())
// Something has gone wrong. Skip this object.
continue;
std::set< Relation_Skeleton >::iterator it_attic
= it_attic_idx->second.find(it->elem);
if (it_attic == it_attic_idx->second.end())
// Something has gone wrong. Skip this object.
continue;
std::map< Relation_Skeleton::Id_Type, std::pair< Uint31_Index, Attic< Relation_Delta > > >::const_iterator
it_attic_time = existing_attic_skeleton_timestamps.find(it->elem.id);
Relation_Skeleton oldest_new =
add_intermediate_versions(*it_attic, it->elem,
it_attic_time == existing_attic_skeleton_timestamps.end() ?
uint64(0u) : it_attic_time->second.second.timestamp,
it->meta.timestamp, nodes_by_id, ways_by_id,
(it->idx.val() == 0 || !geometrically_equal(*it_attic, it->elem)),
*idx, full_attic, new_undeleted, idx_lists);
if (it_attic_time != existing_attic_skeleton_timestamps.end()
&& it_attic_time->second.second.id == it->elem.id)
adapt_newest_existing_attic(it_attic_time->second.first, *idx, it_attic_time->second.second,
*it_attic, it_attic_time->second.second.timestamp < it->meta.timestamp ? oldest_new : Relation_Skeleton(),
attic_skeletons_to_delete, full_attic);
}
// Add the missing elements that result from node moves only
for (std::map< Uint31_Index, std::set< Relation_Skeleton > >::const_iterator
it = implicitly_moved_skeletons.begin(); it != implicitly_moved_skeletons.end(); ++it)
{
for (std::set< Relation_Skeleton >::const_iterator it2 = it->second.begin();
it2 != it->second.end(); ++it2)
{
std::map< Relation_Skeleton::Id_Type, std::pair< Uint31_Index, Attic< Relation_Delta > > >::const_iterator
it_attic_time = existing_attic_skeleton_timestamps.find(it2->id);
Relation_Skeleton oldest_new =
add_intermediate_versions(*it2, *it2,
it_attic_time == existing_attic_skeleton_timestamps.end() ?
uint64(0u) : it_attic_time->second.second.timestamp,
NOW, nodes_by_id, ways_by_id,
false, it->first,
full_attic, new_undeleted, idx_lists);
if (it_attic_time != existing_attic_skeleton_timestamps.end()
&& it_attic_time->second.second.id == it2->id)
adapt_newest_existing_attic(it_attic_time->second.first, it->first, it_attic_time->second.second,
*it2, oldest_new, attic_skeletons_to_delete, full_attic);
}
}
}
/* Compares the new data and the already existing skeletons to determine those that have
* moved. This information is used to prepare the std::set of elements to store to attic.
* We use that in attic_skeletons can only appear elements with ids that exist also in new_data. */
std::map< Timestamp, std::set< Change_Entry< Relation_Skeleton::Id_Type > > > compute_changelog(
const Data_By_Id< Relation_Skeleton >& new_data,
const std::map< Uint31_Index, std::set< Relation_Skeleton > >& implicitly_moved_skeletons,
const std::vector< std::pair< Relation_Skeleton::Id_Type, Uint31_Index > >& existing_map_positions,
const std::vector< std::pair< Relation_Skeleton::Id_Type, Uint31_Index > >& attic_map_positions,
const std::map< Uint31_Index, std::set< Relation_Skeleton > >& attic_skeletons,
const std::map< Node_Skeleton::Id_Type, Quad_Coord >& new_node_idx_by_id,
const std::map< Uint31_Index, std::set< Attic< Node_Skeleton > > >& new_attic_node_skeletons,
const std::map< Way_Skeleton::Id_Type, Uint31_Index >& new_way_idx_by_id,
const std::map< Uint31_Index, std::set< Attic< Way_Delta > > >& new_attic_way_skeletons)
{
std::map< Timestamp, std::set< Change_Entry< Relation_Skeleton::Id_Type > > > result;
// Fill nodes_by_id from attic nodes as well as the current nodes in new_node_idx_by_id
std::map< Node_Skeleton::Id_Type,
std::vector< std::pair< Uint31_Index, Attic< Node_Skeleton > > > > nodes_by_id
= collect_nodes_by_id(new_attic_node_skeletons, new_node_idx_by_id);
// Fill ways_by_id from attic ways as well as the current ways in new_way_idx_by_id
std::map< Way_Skeleton::Id_Type,
std::vector< std::pair< Uint31_Index, Attic< Way_Skeleton::Id_Type > > > > ways_by_id
= collect_ways_by_id(new_attic_way_skeletons, new_way_idx_by_id);
std::vector< Data_By_Id< Relation_Skeleton >::Entry >::const_iterator next_it
= new_data.data.begin();
Relation_Skeleton::Id_Type last_id = Relation_Skeleton::Id_Type(0u);
for (std::vector< Data_By_Id< Relation_Skeleton >::Entry >::const_iterator
it = new_data.data.begin(); it != new_data.data.end(); ++it)
{
++next_it;
if (next_it != new_data.data.end() && it->elem.id == next_it->elem.id)
{
Uint31_Index next_idx = next_it->idx;
if (next_idx.val() == 0xff)
{
Relation_Skeleton skel = next_it->elem;
compute_idx_and_geometry(next_idx, skel, next_it->meta.timestamp + 1, nodes_by_id, ways_by_id);
}
// A later version exists also in new_data.
add_intermediate_changelog_entries(
it->elem, it->meta.timestamp, next_it->meta.timestamp,
nodes_by_id, ways_by_id,