// This software is released into the Public Domain. See copying.txt for details.
package org.openstreetmap.osmosis.pgsimple.v0_6;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.logging.Logger;
import org.openstreetmap.osmosis.core.OsmosisRuntimeException;
import org.openstreetmap.osmosis.core.container.v0_6.BoundContainer;
import org.openstreetmap.osmosis.core.container.v0_6.EntityContainer;
import org.openstreetmap.osmosis.core.container.v0_6.EntityProcessor;
import org.openstreetmap.osmosis.core.container.v0_6.NodeContainer;
import org.openstreetmap.osmosis.core.container.v0_6.RelationContainer;
import org.openstreetmap.osmosis.core.container.v0_6.WayContainer;
import org.openstreetmap.osmosis.core.database.DatabaseLoginCredentials;
import org.openstreetmap.osmosis.core.database.DatabasePreferences;
import org.openstreetmap.osmosis.core.database.DbFeature;
import org.openstreetmap.osmosis.core.database.DbOrderedFeature;
import org.openstreetmap.osmosis.core.database.ReleasableStatementContainer;
import org.openstreetmap.osmosis.core.domain.v0_6.Node;
import org.openstreetmap.osmosis.core.domain.v0_6.OsmUser;
import org.openstreetmap.osmosis.core.domain.v0_6.Relation;
import org.openstreetmap.osmosis.core.domain.v0_6.RelationMember;
import org.openstreetmap.osmosis.core.domain.v0_6.Tag;
import org.openstreetmap.osmosis.core.domain.v0_6.Way;
import org.openstreetmap.osmosis.core.domain.v0_6.WayNode;
import org.openstreetmap.osmosis.core.task.v0_6.Sink;
import org.openstreetmap.osmosis.pgsimple.common.DatabaseContext;
import org.openstreetmap.osmosis.pgsimple.common.NodeLocationStoreType;
import org.openstreetmap.osmosis.pgsimple.common.SchemaVersionValidator;
import org.openstreetmap.osmosis.pgsimple.v0_6.impl.ActionDao;
import org.openstreetmap.osmosis.pgsimple.v0_6.impl.IndexManager;
import org.openstreetmap.osmosis.pgsimple.v0_6.impl.NodeMapper;
import org.openstreetmap.osmosis.pgsimple.v0_6.impl.RelationMapper;
import org.openstreetmap.osmosis.pgsimple.v0_6.impl.RelationMemberMapper;
import org.openstreetmap.osmosis.pgsimple.v0_6.impl.TagMapper;
import org.openstreetmap.osmosis.pgsimple.v0_6.impl.UserDao;
import org.openstreetmap.osmosis.pgsimple.v0_6.impl.WayGeometryBuilder;
import org.openstreetmap.osmosis.pgsimple.v0_6.impl.WayMapper;
import org.openstreetmap.osmosis.pgsimple.v0_6.impl.WayNodeMapper;
import org.postgis.Geometry;
/**
* An OSM data sink for storing all data to a database. This task is intended
* for writing to an empty database.
*
* @author Brett Henderson
*/
public class PostgreSqlWriter implements Sink, EntityProcessor {
private static final Logger LOG = Logger.getLogger(PostgreSqlWriter.class.getName());
// These constants define how many rows of each data type will be inserted
// with single insert statements.
private static final int INSERT_BULK_ROW_COUNT_NODE = 1000;
private static final int INSERT_BULK_ROW_COUNT_NODE_TAG = 1000;
private static final int INSERT_BULK_ROW_COUNT_WAY = 1000;
private static final int INSERT_BULK_ROW_COUNT_WAY_TAG = 1000;
private static final int INSERT_BULK_ROW_COUNT_WAY_NODE = 1000;
private static final int INSERT_BULK_ROW_COUNT_RELATION = 1000;
private static final int INSERT_BULK_ROW_COUNT_RELATION_TAG = 1000;
private static final int INSERT_BULK_ROW_COUNT_RELATION_MEMBER = 1000;
private DatabaseContext dbCtx;
private boolean enableBboxBuilder;
private boolean enableLinestringBuilder;
private SchemaVersionValidator schemaVersionValidator;
private IndexManager indexManager;
private List<Node> nodeBuffer;
private List<DbFeature<Tag>> nodeTagBuffer;
private List<Way> wayBuffer;
private List<DbFeature<Tag>> wayTagBuffer;
private List<DbOrderedFeature<WayNode>> wayNodeBuffer;
private List<Relation> relationBuffer;
private List<DbFeature<Tag>> relationTagBuffer;
private List<DbOrderedFeature<RelationMember>> relationMemberBuffer;
private boolean initialized;
private HashSet<Integer> userSet;
private ActionDao actionDao;
private UserDao userDao;
private ReleasableStatementContainer statementContainer;
private PreparedStatement singleNodeStatement;
private PreparedStatement bulkNodeStatement;
private PreparedStatement singleNodeTagStatement;
private PreparedStatement bulkNodeTagStatement;
private PreparedStatement singleWayStatement;
private PreparedStatement bulkWayStatement;
private PreparedStatement singleWayTagStatement;
private PreparedStatement bulkWayTagStatement;
private PreparedStatement singleWayNodeStatement;
private PreparedStatement bulkWayNodeStatement;
private PreparedStatement singleRelationStatement;
private PreparedStatement bulkRelationStatement;
private PreparedStatement singleRelationTagStatement;
private PreparedStatement bulkRelationTagStatement;
private PreparedStatement singleRelationMemberStatement;
private PreparedStatement bulkRelationMemberStatement;
private NodeMapper nodeBuilder;
private WayMapper wayBuilder;
private RelationMapper relationBuilder;
private TagMapper nodeTagBuilder;
private TagMapper wayTagBuilder;
private TagMapper relationTagBuilder;
private WayNodeMapper wayNodeBuilder;
private RelationMemberMapper relationMemberBuilder;
private WayGeometryBuilder wayGeometryBuilder;
/**
* Creates a new instance.
*
* @param loginCredentials
* Contains all information required to connect to the database.
* @param preferences
* Contains preferences configuring database behaviour.
* @param enableBboxBuilder
* If true, the way bbox geometry is built during processing
* instead of relying on the database to build them after import.
* This increases processing but is faster than relying on the
* database.
* @param enableLinestringBuilder
* If true, the way linestring geometry is built during
* processing instead of relying on the database to build them
* after import. This increases processing but is faster than
* relying on the database.
* @param storeType
* The node location storage type used by the geometry builders.
*/
public PostgreSqlWriter(
DatabaseLoginCredentials loginCredentials, DatabasePreferences preferences,
boolean enableBboxBuilder, boolean enableLinestringBuilder, NodeLocationStoreType storeType) {
dbCtx = new DatabaseContext(loginCredentials);
this.enableBboxBuilder = enableBboxBuilder;
this.enableLinestringBuilder = enableLinestringBuilder;
schemaVersionValidator = new SchemaVersionValidator(dbCtx, preferences);
indexManager = new IndexManager(dbCtx, !enableBboxBuilder, !enableLinestringBuilder);
nodeBuffer = new ArrayList<Node>();
nodeTagBuffer = new ArrayList<DbFeature<Tag>>();
wayBuffer = new ArrayList<Way>();
wayTagBuffer = new ArrayList<DbFeature<Tag>>();
wayNodeBuffer = new ArrayList<DbOrderedFeature<WayNode>>();
relationBuffer = new ArrayList<Relation>();
relationTagBuffer = new ArrayList<DbFeature<Tag>>();
relationMemberBuffer = new ArrayList<DbOrderedFeature<RelationMember>>();
// Create an action dao but disable it so that no records will be written.
actionDao = new ActionDao(dbCtx, false);
userSet = new HashSet<Integer>();
userDao = new UserDao(dbCtx, actionDao);
nodeBuilder = new NodeMapper();
wayBuilder = new WayMapper(enableBboxBuilder, enableLinestringBuilder);
relationBuilder = new RelationMapper();
nodeTagBuilder = new TagMapper(nodeBuilder.getEntityName());
wayTagBuilder = new TagMapper(wayBuilder.getEntityName());
relationTagBuilder = new TagMapper(relationBuilder.getEntityName());
wayNodeBuilder = new WayNodeMapper();
relationMemberBuilder = new RelationMemberMapper();
wayGeometryBuilder = new WayGeometryBuilder(storeType);
statementContainer = new ReleasableStatementContainer();
initialized = false;
}
/**
* Initialises prepared statements and obtains database locks. Can be called
* multiple times.
*/
private void initialize() {
if (!initialized) {
schemaVersionValidator.validateVersion(PostgreSqlVersionConstants.SCHEMA_VERSION);
bulkNodeStatement = statementContainer.add(
dbCtx.prepareStatement(nodeBuilder.getSqlInsert(INSERT_BULK_ROW_COUNT_NODE)));
singleNodeStatement = statementContainer.add(
dbCtx.prepareStatement(nodeBuilder.getSqlInsert(1)));
bulkNodeTagStatement = statementContainer.add(
dbCtx.prepareStatement(nodeTagBuilder.getSqlInsert(INSERT_BULK_ROW_COUNT_NODE_TAG)));
singleNodeTagStatement = statementContainer.add(
dbCtx.prepareStatement(nodeTagBuilder.getSqlInsert(1)));
bulkWayStatement = statementContainer.add(
dbCtx.prepareStatement(wayBuilder.getSqlInsert(INSERT_BULK_ROW_COUNT_WAY)));
singleWayStatement = statementContainer.add(
dbCtx.prepareStatement(wayBuilder.getSqlInsert(1)));
bulkWayTagStatement = statementContainer.add(
dbCtx.prepareStatement(wayTagBuilder.getSqlInsert(INSERT_BULK_ROW_COUNT_WAY_TAG)));
singleWayTagStatement = statementContainer.add(
dbCtx.prepareStatement(wayTagBuilder.getSqlInsert(1)));
bulkWayNodeStatement = statementContainer.add(
dbCtx.prepareStatement(wayNodeBuilder.getSqlInsert(INSERT_BULK_ROW_COUNT_WAY_NODE)));
singleWayNodeStatement = statementContainer.add(
dbCtx.prepareStatement(wayNodeBuilder.getSqlInsert(1)));
bulkRelationStatement = statementContainer.add(
dbCtx.prepareStatement(relationBuilder.getSqlInsert(INSERT_BULK_ROW_COUNT_RELATION)));
singleRelationStatement = statementContainer.add(
dbCtx.prepareStatement(relationBuilder.getSqlInsert(1)));
bulkRelationTagStatement = statementContainer.add(
dbCtx.prepareStatement(relationTagBuilder.getSqlInsert(INSERT_BULK_ROW_COUNT_RELATION_TAG)));
singleRelationTagStatement = statementContainer.add(
dbCtx.prepareStatement(relationTagBuilder.getSqlInsert(1)));
bulkRelationMemberStatement = statementContainer.add(
dbCtx.prepareStatement(relationMemberBuilder.getSqlInsert(INSERT_BULK_ROW_COUNT_RELATION_MEMBER)));
singleRelationMemberStatement = statementContainer.add(
dbCtx.prepareStatement(relationMemberBuilder.getSqlInsert(1)));
// Drop all constraints and indexes.
indexManager.prepareForLoad();
LOG.fine("Loading data.");
initialized = true;
}
}
/**
* Writes the specified user to the database if it hasn't already been.
*
* @param user
* The user to add.
*/
private void writeUser(OsmUser user) {
// Write the user to the database if it hasn't already been.
if (!user.equals(OsmUser.NONE)) {
if (!userSet.contains(user.getId())) {
userDao.addUser(user);
userSet.add(user.getId());
}
}
}
/**
* Flushes nodes to the database. If complete is false, this will only write
* nodes until the remaining node count is less than the multi-row insert
* statement row count. If complete is true, all remaining rows will be
* written using single row insert statements.
*
* @param complete
* If true, all data will be written to the database. If false,
* some data may be left until more data is available.
*/
private void flushNodes(boolean complete) {
while (nodeBuffer.size() >= INSERT_BULK_ROW_COUNT_NODE) {
List<Node> processedNodes;
int prmIndex;
processedNodes = new ArrayList<Node>(INSERT_BULK_ROW_COUNT_NODE);
prmIndex = 1;
for (int i = 0; i < INSERT_BULK_ROW_COUNT_NODE; i++) {
Node node;
node = nodeBuffer.remove(0);
processedNodes.add(node);
prmIndex = nodeBuilder.populateEntityParameters(bulkNodeStatement, prmIndex, node);
}
try {
bulkNodeStatement.executeUpdate();
} catch (SQLException e) {
throw new OsmosisRuntimeException("Unable to bulk insert nodes into the database.", e);
}
for (Node node : processedNodes) {
addNodeTags(node);
}
}
if (complete) {
while (nodeBuffer.size() > 0) {
Node node;
node = nodeBuffer.remove(0);
nodeBuilder.populateEntityParameters(singleNodeStatement, 1, node);
try {
singleNodeStatement.executeUpdate();
} catch (SQLException e) {
throw new OsmosisRuntimeException("Unable to insert a node into the database.", e);
}
addNodeTags(node);
}
}
}
/**
* Process the node tags.
*
* @param node
* The node to be processed.
*/
private void addNodeTags(Node node) {
for (Tag tag : node.getTags()) {
nodeTagBuffer.add(new DbFeature<Tag>(node.getId(), tag));
}
flushNodeTags(false);
}
/**
* Flushes node tags to the database. If complete is false, this will only
* write node tags until the remaining node tag count is less than the
* multi-row insert statement row count. If complete is true, all remaining
* rows will be written using single row insert statements.
*
* @param complete
* If true, all data will be written to the database. If false,
* some data may be left until more data is available.
*/
private void flushNodeTags(boolean complete) {
while (nodeTagBuffer.size() >= INSERT_BULK_ROW_COUNT_NODE_TAG) {
int prmIndex;
prmIndex = 1;
for (int i = 0; i < INSERT_BULK_ROW_COUNT_NODE_TAG; i++) {
prmIndex = nodeTagBuilder.populateEntityParameters(
bulkNodeTagStatement, prmIndex, nodeTagBuffer.remove(0));
}
try {
bulkNodeTagStatement.executeUpdate();
} catch (SQLException e) {
throw new OsmosisRuntimeException("Unable to bulk insert node tags into the database.", e);
}
}
if (complete) {
while (nodeTagBuffer.size() > 0) {
nodeTagBuilder.populateEntityParameters(singleNodeTagStatement, 1, nodeTagBuffer.remove(0));
try {
singleNodeTagStatement.executeUpdate();
} catch (SQLException e) {
throw new OsmosisRuntimeException("Unable to insert a node tag into the database.", e);
}
}
}
}
/**
* Flushes ways to the database. If complete is false, this will only write
* ways until the remaining way count is less than the multi-row insert
* statement row count. If complete is true, all remaining rows will be
* written using single row insert statements.
*
* @param complete
* If true, all data will be written to the database. If false,
* some data may be left until more data is available.
*/
private void flushWays(boolean complete) {
while (wayBuffer.size() >= INSERT_BULK_ROW_COUNT_WAY) {
List<Way> processedWays;
int prmIndex;
processedWays = new ArrayList<Way>(INSERT_BULK_ROW_COUNT_WAY);
prmIndex = 1;
for (int i = 0; i < INSERT_BULK_ROW_COUNT_WAY; i++) {
Way way;
List<Geometry> geometries;
way = wayBuffer.remove(0);
processedWays.add(way);
geometries = new ArrayList<Geometry>();
if (enableBboxBuilder) {
geometries.add(wayGeometryBuilder.createWayBbox(way));
}
if (enableLinestringBuilder) {
geometries.add(wayGeometryBuilder.createWayLinestring(way));
}
prmIndex = wayBuilder.populateEntityParameters(bulkWayStatement, prmIndex, way, geometries);
}
try {
bulkWayStatement.executeUpdate();
} catch (SQLException e) {
throw new OsmosisRuntimeException("Unable to bulk insert ways into the database.", e);
}
for (Way way : processedWays) {
addWayTags(way);
addWayNodes(way);
}
}
if (complete) {
while (wayBuffer.size() > 0) {
Way way;
List<Geometry> geometries;
way = wayBuffer.remove(0);
geometries = new ArrayList<Geometry>();
if (enableBboxBuilder) {
geometries.add(wayGeometryBuilder.createWayBbox(way));
}
if (enableLinestringBuilder) {
geometries.add(wayGeometryBuilder.createWayLinestring(way));
}
wayBuilder.populateEntityParameters(singleWayStatement, 1, way, geometries);
try {
singleWayStatement.executeUpdate();
} catch (SQLException e) {
throw new OsmosisRuntimeException("Unable to insert a way into the database.", e);
}
addWayTags(way);
addWayNodes(way);
}
}
}
/**
* Process the way tags.
*
* @param way
* The way to be processed.
*/
private void addWayTags(Way way) {
for (Tag tag : way.getTags()) {
wayTagBuffer.add(new DbFeature<Tag>(way.getId(), tag));
}
flushWayTags(false);
}
/**
* Process the way nodes.
*
* @param way
* The way to be processed.
*/
private void addWayNodes(Way way) {
int sequenceId;
sequenceId = 0;
for (WayNode wayNode : way.getWayNodes()) {
wayNodeBuffer.add(new DbOrderedFeature<WayNode>(way.getId(), wayNode, sequenceId++));
}
flushWayNodes(false);
}
/**
* Flushes way tags to the database. If complete is false, this will only
* write way tags until the remaining way tag count is less than the
* multi-row insert statement row count. If complete is true, all remaining
* rows will be written using single row insert statements.
*
* @param complete
* If true, all data will be written to the database. If false,
* some data may be left until more data is available.
*/
private void flushWayTags(boolean complete) {
while (wayTagBuffer.size() >= INSERT_BULK_ROW_COUNT_WAY_TAG) {
int prmIndex;
prmIndex = 1;
for (int i = 0; i < INSERT_BULK_ROW_COUNT_WAY_TAG; i++) {
prmIndex = wayTagBuilder.populateEntityParameters(
bulkWayTagStatement, prmIndex, wayTagBuffer.remove(0));
}
try {
bulkWayTagStatement.executeUpdate();
} catch (SQLException e) {
throw new OsmosisRuntimeException("Unable to bulk insert way tags into the database.", e);
}
}
if (complete) {
while (wayTagBuffer.size() > 0) {
wayTagBuilder.populateEntityParameters(singleWayTagStatement, 1, wayTagBuffer.remove(0));
try {
singleWayTagStatement.executeUpdate();
} catch (SQLException e) {
throw new OsmosisRuntimeException("Unable to insert a way tag into the database.", e);
}
}
}
}
/**
* Flushes way nodes to the database. If complete is false, this will only
* write way nodes until the remaining way node count is less than the
* multi-row insert statement row count. If complete is true, all remaining
* rows will be written using single row insert statements.
*
* @param complete
* If true, all data will be written to the database. If false,
* some data may be left until more data is available.
*/
private void flushWayNodes(boolean complete) {
while (wayNodeBuffer.size() >= INSERT_BULK_ROW_COUNT_WAY_NODE) {
int prmIndex;
prmIndex = 1;
for (int i = 0; i < INSERT_BULK_ROW_COUNT_WAY_NODE; i++) {
prmIndex = wayNodeBuilder.populateEntityParameters(
bulkWayNodeStatement, prmIndex, wayNodeBuffer.remove(0));
}
try {
bulkWayNodeStatement.executeUpdate();
} catch (SQLException e) {
throw new OsmosisRuntimeException("Unable to bulk insert way nodes into the database.", e);
}
}
if (complete) {
while (wayNodeBuffer.size() > 0) {
wayNodeBuilder.populateEntityParameters(singleWayNodeStatement, 1, wayNodeBuffer.remove(0));
try {
singleWayNodeStatement.executeUpdate();
} catch (SQLException e) {
throw new OsmosisRuntimeException("Unable to insert a way node into the database.", e);
}
}
}
}
/**
* Flushes relations to the database. If complete is false, this will only write
* relations until the remaining relation count is less than the multi-row insert
* statement row count. If complete is true, all remaining rows will be
* written using single row insert statements.
*
* @param complete
* If true, all data will be written to the database. If false,
* some data may be left until more data is available.
*/
private void flushRelations(boolean complete) {
while (relationBuffer.size() >= INSERT_BULK_ROW_COUNT_RELATION) {
List<Relation> processedRelations;
int prmIndex;
processedRelations = new ArrayList<Relation>(INSERT_BULK_ROW_COUNT_RELATION);
prmIndex = 1;
for (int i = 0; i < INSERT_BULK_ROW_COUNT_RELATION; i++) {
Relation relation;
relation = relationBuffer.remove(0);
processedRelations.add(relation);
prmIndex = relationBuilder.populateEntityParameters(bulkRelationStatement, prmIndex, relation);
}
try {
bulkRelationStatement.executeUpdate();
} catch (SQLException e) {
throw new OsmosisRuntimeException("Unable to bulk insert relations into the database.", e);
}
for (Relation relation : processedRelations) {
addRelationTags(relation);
addRelationMembers(relation);
}
}
if (complete) {
while (relationBuffer.size() > 0) {
Relation relation;
relation = relationBuffer.remove(0);
relationBuilder.populateEntityParameters(singleRelationStatement, 1, relation);
try {
singleRelationStatement.executeUpdate();
} catch (SQLException e) {
throw new OsmosisRuntimeException("Unable to insert a relation into the database.", e);
}
addRelationTags(relation);
addRelationMembers(relation);
}
}
}
/**
* Process the relation tags.
*
* @param relation
* The relation to be processed.
*/
private void addRelationTags(Relation relation) {
for (Tag tag : relation.getTags()) {
relationTagBuffer.add(new DbFeature<Tag>(relation.getId(), tag));
}
flushRelationTags(false);
}
/**
* Process the relation members.
*
* @param relation
* The relation to be processed.
*/
private void addRelationMembers(Relation relation) {
int sequenceId;
sequenceId = 0;
for (RelationMember relationMember : relation.getMembers()) {
relationMemberBuffer.add(
new DbOrderedFeature<RelationMember>(relation.getId(), relationMember, sequenceId++));
}
flushRelationMembers(false);
}
/**
* Flushes relation tags to the database. If complete is false, this will only
* write relation tags until the remaining relation tag count is less than the
* multi-row insert statement row count. If complete is true, all remaining
* rows will be written using single row insert statements.
*
* @param complete
* If true, all data will be written to the database. If false,
* some data may be left until more data is available.
*/
private void flushRelationTags(boolean complete) {
while (relationTagBuffer.size() >= INSERT_BULK_ROW_COUNT_RELATION_TAG) {
int prmIndex;
prmIndex = 1;
for (int i = 0; i < INSERT_BULK_ROW_COUNT_RELATION_TAG; i++) {
prmIndex = relationTagBuilder.populateEntityParameters(
bulkRelationTagStatement, prmIndex, relationTagBuffer.remove(0));
}
try {
bulkRelationTagStatement.executeUpdate();
} catch (SQLException e) {
throw new OsmosisRuntimeException("Unable to bulk insert relation tags into the database.", e);
}
}
if (complete) {
while (relationTagBuffer.size() > 0) {
relationTagBuilder.populateEntityParameters(singleRelationTagStatement, 1, relationTagBuffer.remove(0));
try {
singleRelationTagStatement.executeUpdate();
} catch (SQLException e) {
throw new OsmosisRuntimeException("Unable to insert a relation tag into the database.", e);
}
}
}
}
/**
* Flushes relation members to the database. If complete is false, this will only
* write relation members until the remaining relation member count is less than the
* multi-row insert statement row count. If complete is true, all remaining
* rows will be written using single row insert statements.
*
* @param complete
* If true, all data will be written to the database. If false,
* some data may be left until more data is available.
*/
private void flushRelationMembers(boolean complete) {
while (relationMemberBuffer.size() >= INSERT_BULK_ROW_COUNT_RELATION_MEMBER) {
int prmIndex;
prmIndex = 1;
for (int i = 0; i < INSERT_BULK_ROW_COUNT_RELATION_MEMBER; i++) {
prmIndex = relationMemberBuilder.populateEntityParameters(
bulkRelationMemberStatement, prmIndex, relationMemberBuffer.remove(0));
}
try {
bulkRelationMemberStatement.executeUpdate();
} catch (SQLException e) {
throw new OsmosisRuntimeException("Unable to bulk insert relation members into the database.", e);
}
}
if (complete) {
while (relationMemberBuffer.size() > 0) {
relationMemberBuilder.populateEntityParameters(
singleRelationMemberStatement, 1, relationMemberBuffer.remove(0));
try {
singleRelationMemberStatement.executeUpdate();
} catch (SQLException e) {
throw new OsmosisRuntimeException("Unable to insert a relation member into the database.", e);
}
}
}
}
/**
* {@inheritDoc}
*/
public void initialize(Map<String, Object> metaData) {
// Do nothing.
}
/**
* Writes any buffered data to the database and commits.
*/
public void complete() {
initialize();
LOG.fine("Flushing buffers.");
flushNodes(true);
flushNodeTags(true);
flushWays(true);
flushWayTags(true);
flushWayNodes(true);
flushRelations(true);
flushRelationTags(true);
flushRelationMembers(true);
LOG.fine("Data load complete.");
// Add all constraints and indexes.
indexManager.completeAfterLoad();
LOG.fine("Committing changes.");
dbCtx.commit();
LOG.fine("Vacuuming database.");
dbCtx.setAutoCommit(true);
dbCtx.executeStatement("VACUUM ANALYZE");
LOG.fine("Complete.");
}
/**
* {@inheritDoc}
*/
public void process(EntityContainer entityContainer) {
initialize();
// Write the user to the database if required.
writeUser(entityContainer.getEntity().getUser());
entityContainer.process(this);
}
/**
* {@inheritDoc}
*/
@Override
public void process(BoundContainer bound) {
// Do nothing.
}
/**
* {@inheritDoc}
*/
public void process(NodeContainer nodeContainer) {
if (enableBboxBuilder || enableLinestringBuilder) {
wayGeometryBuilder.addNodeLocation(nodeContainer.getEntity());
}
nodeBuffer.add(nodeContainer.getEntity());
flushNodes(false);
}
/**
* {@inheritDoc}
*/
public void process(WayContainer wayContainer) {
// Ignore ways with a single node because they can't be loaded into postgis.
if (wayContainer.getEntity().getWayNodes().size() > 1) {
wayBuffer.add(wayContainer.getEntity());
}
flushWays(false);
}
/**
* {@inheritDoc}
*/
public void process(RelationContainer relationContainer) {
relationBuffer.add(relationContainer.getEntity());
flushRelations(false);
}
/**
* {@inheritDoc}
*/
@Override
public void release() {
statementContainer.release();
wayGeometryBuilder.release();
dbCtx.release();
}
}