Network.java
package org.opentrafficsim.core.network;
import java.util.List;
import java.util.Set;
import org.djutils.immutablecollections.ImmutableMap;
import org.opentrafficsim.base.Identifiable;
import org.opentrafficsim.core.definitions.Definitions;
import org.opentrafficsim.core.gtu.GTUType;
import org.opentrafficsim.core.network.route.CompleteRoute;
import org.opentrafficsim.core.network.route.Route;
import org.opentrafficsim.core.object.InvisibleObjectInterface;
import org.opentrafficsim.core.object.ObjectInterface;
import nl.tudelft.simulation.event.EventProducerInterface;
import nl.tudelft.simulation.event.EventType;
/**
* Interface that defines what information a network should be able to provide about Nodes, Links and Routes.
* <p>
* Copyright (c) 2013-2020 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
* BSD-style license. See <a href="http://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
* <p>
* $LastChangedDate: 2020-01-23 11:14:19 +0100 (Thu, 23 Jan 2020) $, @version $Revision: 6010 $, by $Author: averbraeck $,
* initial version Jul 22, 2015 <br>
* @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
* @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
* @author <a href="http://www.citg.tudelft.nl">Guus Tamminga</a>
*/
public interface Network extends Definitions, EventProducerInterface, Identifiable
{
/** @return String; the id */
@Override
String getId();
/***************************************************************************************/
/**************************************** NODES ****************************************/
/***************************************************************************************/
/**
* Provide an immutable map of node ids to nodes in the network.
* @return an immutable map of nodes.
*/
ImmutableMap<String, Node> getNodeMap();
/**
* Register a node in the network.
* @param node Node; the node to add to the network.
* @throws NetworkException if node already exists in the network, or if name of the node is not unique.
*/
void addNode(Node node) throws NetworkException;
/**
* Unregister a node from the network.
* @param node Node; the node to remove from the network.
* @throws NetworkException if node does not exist in the network.
*/
void removeNode(Node node) throws NetworkException;
/**
* Test whether a node is present in the network.
* @param node Node; the node to search for in the network.
* @return whether the node is in this network
*/
boolean containsNode(Node node);
/**
* Test whether a node with a given id is present in the network.
* @param nodeId String; the id of the node to search for in the network.
* @return whether the node is in this network
*/
boolean containsNode(String nodeId);
/**
* Retrieve a node with a given id from the network, or null if the id cannot be found.
* @param nodeId String; the id of the node to search for in the network.
* @return the node or null if not present
*/
Node getNode(String nodeId);
/***************************************************************************************/
/**************************************** LINKS ****************************************/
/***************************************************************************************/
/**
* Provide an immutable map of link ids to links in the network.
* @return the an immutable map of links.
*/
ImmutableMap<String, Link> getLinkMap();
/**
* Register a link in the network.
* @param link Link; the link to add to the network.
* @throws NetworkException if link already exists in the network, if name of the link is not unique, or if the start node
* or the end node of the link are not registered in the network.
*/
void addLink(Link link) throws NetworkException;
/**
* Unregister a link from the network.
* @param link Link; the link to remove from the network.
* @throws NetworkException if link does not exist in the network.
*/
void removeLink(Link link) throws NetworkException;
/**
* Test whether a link is present in the network.
* @param link Link; the link to search for in the network.
* @return whether the link is in this network
*/
boolean containsLink(Link link);
/**
* Test whether a link with a given id is present in the network.
* @param link String; the id of the link to search for in the network.
* @return whether the link is in this network
*/
boolean containsLink(String link);
/**
* Retrieve a node with a given id from the network, or null if the id cannot be found.
* @param linkId String; the id of the link to search for in the network.
* @return the link or null if not present
*/
Link getLink(String linkId);
/**
* Find a link between node1 and node2 and return it if it exists in the network. If not, return null.
* @param node1 Node; first node
* @param node2 Node; second node
* @return the link between node1 and node2 in the network or null if it does not exist.
*/
Link getLink(Node node1, Node node2);
/**
* Find a link between node1 and node2 and return it if it exists in the network. If not, return null.
* @param nodeId1 String; id of the first node
* @param nodeId2 String; id of the second node
* @return the link between node1 and node2 in the network or null if it does not exist.
* @throws NetworkException if the node(s) cannot be found by their id
*/
Link getLink(String nodeId1, String nodeId2) throws NetworkException;
/***************************************************************************************/
/************************ OBJECT INTERFACE IMPLEMENTING OBJECTS ************************/
/***************************************************************************************/
/**
* Return an immutable map of all ObjectInterface implementing objects in the Network.
* @return ImmutableMap<String, ObjectInterface>; the immutable map of all ObjectInterface implementing objects in the
* Network
*/
ImmutableMap<String, ObjectInterface> getObjectMap();
/**
* Return an immutable map of all ObjectInterface implementing objects in the network that are of type objectType, or any
* sub type thereof.
* @param objectType Class<T>; the (sub-)type of ObjectInterface that the returned map is reduced to
* @param <T> type of object
* @return ImmutableMap<String, ObjectInterface>; the immutable map of all ObjectInterface implementing objects in the
* Network that are of the type objectType, or any sub type thereof
*/
<T extends ObjectInterface> ImmutableMap<String, T> getObjectMap(Class<T> objectType);
/**
* Return object of given type with given id.
* @param objectType T; object type class
* @param objectId String; id of object
* @param <T> object type
* @return T; object of given type with given id, {@code null} if no such object
*/
<T extends ObjectInterface> T getObject(Class<T> objectType, String objectId);
/**
* Add an ObjectInterface implementing object to the Network.
* @param object ObjectInterface; the object that implements ObjectInterface
* @throws NetworkException if link already exists in the network, if name of the object is not unique.
*/
void addObject(ObjectInterface object) throws NetworkException;
/**
* Remove an ObjectInterface implementing object form the Network.
* @param object ObjectInterface; the object that implements ObjectInterface
* @throws NetworkException if the object does not exist in the network.
*/
void removeObject(ObjectInterface object) throws NetworkException;
/**
* Test whether the object is present in the Network.
* @param object ObjectInterface; the object that is tested for presence
* @return boolean; whether the object is present in the Network
*/
boolean containsObject(ObjectInterface object);
/**
* Test whether an object with the given id is present in the Network.
* @param objectId String; the id that is tested for presence
* @return boolean; whether an object with the given id is present in the Network
*/
boolean containsObject(String objectId);
/***************************************************************************************/
/********************************* INVISIBLE OBJECTS ***********************************/
/***************************************************************************************/
/**
* Return an immutable map of all InvisibleObject implementing objects in the Network.
* @return ImmutableMap<String, ObjectInterface>; the immutable map of all ObjectInterface implementing objects in the
* Network
*/
ImmutableMap<String, InvisibleObjectInterface> getInvisibleObjectMap();
/**
* Return an immutable map of all InvisibleObject implementing objects in the network that are of type objectType, or any
* sub type thereof.
* @param objectType Class<InvisibleObjectInterface>; the (sub-)type of InvisibleObject that the returned map is
* reduced to
* @return ImmutableMap<String, InvisibleObject>; the immutable map of all InvisibleObject implementing objects in the
* Network that are of the type objectType, or any sub type thereof
*/
ImmutableMap<String, InvisibleObjectInterface> getInvisibleObjectMap(Class<InvisibleObjectInterface> objectType);
/**
* Add an ObjectInterface implementing object to the Network.
* @param object InvisibleObjectInterface; the object that implements ObjectInterface
* @throws NetworkException if link already exists in the network, if name of the object is not unique.
*/
void addInvisibleObject(InvisibleObjectInterface object) throws NetworkException;
/**
* Remove an ObjectInterface implementing object form the Network.
* @param object InvisibleObjectInterface; the object that implements ObjectInterface
* @throws NetworkException if the object does not exist in the network.
*/
void removeInvisibleObject(InvisibleObjectInterface object) throws NetworkException;
/**
* Test whether the invisible object is present in the Network.
* @param object InvisibleObjectInterface; the object that is tested for presence
* @return boolean; whether the invisible object is present in the Network
*/
boolean containsInvisibleObject(InvisibleObjectInterface object);
/**
* Test whether an invisible object with the given id is present in the Network.
* @param objectId String; the id that is tested for presence
* @return boolean; whether an invisible object with the given id is present in the Network
*/
boolean containsInvisibleObject(String objectId);
/***************************************************************************************/
/*************************************** ROUTES ****************************************/
/***************************************************************************************/
/**
* Return an immutable map of routes that exist in the network for the GTUType.
* @param gtuType GTUType; the GTUType for which to retrieve the defined routes
* @return an immutable map of routes in the network for the given GTUType, or an empty Map if no routes are defined for the
* given GTUType.
*/
ImmutableMap<String, Route> getDefinedRouteMap(GTUType gtuType);
/**
* Add a route to the network.
* @param gtuType GTUType; the GTUType for which to add a route
* @param route Route; the route to add to the network.
* @throws NetworkException if route already exists in the network, if name of the route is not unique, if one of the nodes
* of the route are not registered in the network.
*/
void addRoute(GTUType gtuType, Route route) throws NetworkException;
/**
* Remove the route from the network, e.g. because of road maintenance.
* @param gtuType GTUType; the GTUType for which to remove a route
* @param route Route; the route to remove from the network.
* @throws NetworkException if route does not exist in the network.
*/
void removeRoute(GTUType gtuType, Route route) throws NetworkException;
/**
* Return the route with the given id in the network for the given GTUType, or null if it the route with the id does not
* exist.
* @param gtuType GTUType; the GTUType for which to retrieve a route based on its id.
* @param routeId String; the route to search for in the network.
* @return the route or null if not present
*/
Route getRoute(GTUType gtuType, String routeId);
/**
* Determine whether the provided route exists in the network for the given GTUType.
* @param gtuType GTUType; the GTUType for which to check whether the route exists
* @param route Route; the route to check for
* @return whether the route exists in the network for the given GTUType
*/
boolean containsRoute(GTUType gtuType, Route route);
/**
* Determine whether a route with the given id exists in the network for the given GTUType.
* @param gtuType GTUType; the GTUType for which to check whether the route exists
* @param routeId String; the id of the route to check for
* @return whether a route with the given id exists in the network for the given GTUType
*/
boolean containsRoute(GTUType gtuType, String routeId);
/**
* Return the the shortest route between two nodes in the network, via a list of intermediate nodes. If no path exists from
* the start node to the end node via the intermediate nodes in the network, null is returned.
* @param gtuType GTUType; the GTUType for which to retrieve the defined routes
* @param nodeFrom Node; the start node.
* @param nodeTo Node; the end node.
* @return a set with routes from the start Node to the end Node in the network; if no route can be found, an empty set is
* returned.
*/
Set<Route> getRoutesBetween(GTUType gtuType, Node nodeFrom, Node nodeTo);
/**
* (Re)build the underlying graph for the given GTUType.
* @param gtuType GTUType; the GTUType for which to (re)build the graph
*/
void buildGraph(GTUType gtuType);
/**
* Calculate the shortest route between two nodes in the network. If no path exists from the start node to the end node in
* the network, null is returned. This method returns a CompleteRoute, which includes all nodes to get from start to end. In
* case the graph for the GTUType has not yet been built, this method will call the buildGraph method.
* @param gtuType GTUType; the GTUType for which to calculate the shortest route
* @param nodeFrom Node; the start node.
* @param nodeTo Node; the end node.
* @return the shortest route from the start Node to the end Node in the network. If no path exists from the start node to
* the end node in the network, null is returned.
* @throws NetworkException in case nodes cannot be added to the route, e.g. because they are not directly connected. This
* can be the case when the links in the network have changed, but the graph has not been rebuilt.
*/
default CompleteRoute getShortestRouteBetween(GTUType gtuType, Node nodeFrom, Node nodeTo) throws NetworkException
{
return getShortestRouteBetween(gtuType, nodeFrom, nodeTo, LinkWeight.LENGTH);
}
/**
* Calculate the shortest route between two nodes in the network. If no path exists from the start node to the end node in
* the network, null is returned. This method returns a CompleteRoute, which includes all nodes to get from start to end.
* This method recalculates the graph.
* @param gtuType GTUType; the GTUType for which to calculate the shortest route
* @param nodeFrom Node; the start node.
* @param nodeTo Node; the end node.
* @param linkWeight LinkWeight; link weight.
* @return the shortest route from the start Node to the end Node in the network. If no path exists from the start node to
* the end node in the network, null is returned.
* @throws NetworkException in case nodes cannot be added to the route, e.g. because they are not directly connected. This
* can be the case when the links in the network have changed, but the graph has not been rebuilt.
*/
CompleteRoute getShortestRouteBetween(GTUType gtuType, Node nodeFrom, Node nodeTo, LinkWeight linkWeight)
throws NetworkException;
/**
* Calculate the shortest route between two nodes in the network, via a list of intermediate nodes. If no path exists from
* the start node to the end node via the intermediate nodes in the network, null is returned. This method returns a
* CompleteRoute, which includes all nodes to get from start to end. In case the graph for the GTUType has not yet been
* built, this method will call the buildGraph method.
* @param gtuType GTUType; the GTUType for which to calculate the shortest route
* @param nodeFrom Node; the start node.
* @param nodeTo Node; the end node.
* @param nodesVia List<Node>; a number of nodes that the GTU has to pass between nodeFrom and nodeTo in the given
* order.
* @return the shortest route between two nodes in the network, via the intermediate nodes. If no path exists from the start
* node to the end node via the intermediate nodes in the network, null is returned.
* @throws NetworkException in case nodes cannot be added to the route, e.g. because they are not directly connected. This
* can be the case when the links in the network have changed, but the graph has not been rebuilt.
*/
default CompleteRoute getShortestRouteBetween(GTUType gtuType, Node nodeFrom, Node nodeTo, List<Node> nodesVia)
throws NetworkException
{
return getShortestRouteBetween(gtuType, nodeFrom, nodeTo, nodesVia, LinkWeight.LENGTH);
}
/**
* Calculate the shortest route between two nodes in the network, via a list of intermediate nodes. If no path exists from
* the start node to the end node via the intermediate nodes in the network, null is returned. This method returns a
* CompleteRoute, which includes all nodes to get from start to end. This method recalculates the graph.
* @param gtuType GTUType; the GTUType for which to calculate the shortest route
* @param nodeFrom Node; the start node.
* @param nodeTo Node; the end node.
* @param nodesVia List<Node>; a number of nodes that the GTU has to pass between nodeFrom and nodeTo in the given
* order.
* @param linkWeight LinkWeight; link weight.
* @return the shortest route between two nodes in the network, via the intermediate nodes. If no path exists from the start
* node to the end node via the intermediate nodes in the network, null is returned.
* @throws NetworkException in case nodes cannot be added to the route, e.g. because they are not directly connected. This
* can be the case when the links in the network have changed, but the graph has not been rebuilt.
*/
CompleteRoute getShortestRouteBetween(GTUType gtuType, Node nodeFrom, Node nodeTo, List<Node> nodesVia,
LinkWeight linkWeight) throws NetworkException;
/***************************************************************************************/
/********************************** ANIMATION EVENTS ***********************************/
/***************************************************************************************/
/**
* The timed event type for pub/sub indicating the addition of a Node. <br>
* Payload: Node node (not an array, just an Object)
*/
EventType ANIMATION_NODE_ADD_EVENT = new EventType("ANIMATION.NETWORK.NODE.ADD");
/**
* The (regular, not timed) event type for pub/sub indicating the removal of a Node. <br>
* Payload: Node node (not an array, just an Object)
*/
EventType ANIMATION_NODE_REMOVE_EVENT = new EventType("ANIMATION.NETWORK.NODE.REMOVE");
/**
* The (regular, not timed) event type for pub/sub indicating the addition of a Link. <br>
* Payload: Link link (not an array, just an Object)
*/
EventType ANIMATION_LINK_ADD_EVENT = new EventType("ANIMATION.NETWORK.LINK.ADD");
/**
* The (regular, not timed) event type for pub/sub indicating the removal of a Link. <br>
* Payload: Link link (not an array, just an Object)
*/
EventType ANIMATION_LINK_REMOVE_EVENT = new EventType("ANIMATION.NETWORK.LINK.REMOVE");
/**
* The (regular, not timed) event type for pub/sub indicating the addition of an ObjectInterface implementing object. <br>
* Payload: StaticObject object (not an array, just an Object)
*/
EventType ANIMATION_OBJECT_ADD_EVENT = new EventType("ANIMATION.NETWORK.OBJECT.ADD");
/**
* The (regular, not timed) event type for pub/sub indicating the removal of an ObjectInterface implementing object. <br>
* Payload: StaticObject object (not an array, just an Object)
*/
EventType ANIMATION_OBJECT_REMOVE_EVENT = new EventType("ANIMATION.NETWORK.OBJECT.REMOVE");
/**
* The (regular, not timed) event type for pub/sub indicating the addition of an InvisibleObjectInterface implementing
* object. <br>
* Payload: InvisibleObject object (not an array, just an Object)
*/
EventType ANIMATION_INVISIBLE_OBJECT_ADD_EVENT = new EventType("ANIMATION.NETWORK.INVISIBLE_OBJECT.ADD");
/**
* The (regular, not timed) event type for pub/sub indicating the removal of an InvisibleObjectInterface implementing
* object. <br>
* Payload: InvisibleObject object (not an array, just an Object)
*/
EventType ANIMATION_INVISIBLE_OBJECT_REMOVE_EVENT = new EventType("ANIMATION.NETWORK.INVISIBLE_OBJECT.REMOVE");
/**
* The (regular, not timed) event type for pub/sub indicating the addition of a Route for a gtuType. <br>
* Payload: [GTUType gtuType, Route route]
*/
EventType ANIMATION_ROUTE_ADD_EVENT = new EventType("ANIMATION.NETWORK.ROUTE.ADD");
/**
* The (regular, not timed) event type for pub/sub indicating the removal of a Route for a gtuType. <br>
* Payload: [GTUType gtuType, Route route]
*/
EventType ANIMATION_ROUTE_REMOVE_EVENT = new EventType("ANIMATION.NETWORK.ROUTE.REMOVE");
/**
* The <b>timed</b> event type for pub/sub indicating the addition of a GTU to the network. <br>
* Payload: GTU gtu (not an array, just an Object)
*/
EventType ANIMATION_GTU_ADD_EVENT = new EventType("ANIMATION.NETWORK.GTU.ADD");
/**
* The <b>timed</b> event type for pub/sub indicating the removal of a GTU from the network. <br>
* Payload: GTU gtu (not an array, just an Object)
*/
EventType ANIMATION_GTU_REMOVE_EVENT = new EventType("ANIMATION.NETWORK.GTU.REMOVE");
/**
* The (regular, not timed) event type for pub/sub indicating the addition of an GTUGenerator implementing object. <br>
* Payload: AbstractGTUGenerator object (not an array, just an Object)
*/
EventType ANIMATION_GENERATOR_ADD_EVENT = new EventType("ANIMATION.NETWORK.GENERATOR.ADD");
/**
* The (regular, not timed) event type for pub/sub indicating the removal of an GTUGenerator implementing object. <br>
* Payload: AbstractGTUGenerator object (not an array, just an Object)
*/
EventType ANIMATION_GENERATOR_REMOVE_EVENT = new EventType("ANIMATION.NETWORK.GENERATOR.REMOVE");
/***************************************************************************************/
/*************************************** EVENTS ****************************************/
/***************************************************************************************/
/**
* The (regular, not timed) event type for pub/sub indicating the addition of a Node. <br>
* Payload: String nodeId (not an array, just a String)
*/
EventType NODE_ADD_EVENT = new EventType("NETWORK.NODE.ADD");
/**
* The (regular, not timed) event type for pub/sub indicating the removal of a Node. <br>
* Payload: String nodeId (not an array, just a String)
*/
EventType NODE_REMOVE_EVENT = new EventType("NETWORK.NODE.REMOVE");
/**
* The (regular, not timed) event type for pub/sub indicating the addition of a Link. <br>
* Payload: String linkId (not an array, just a String)
*/
EventType LINK_ADD_EVENT = new EventType("NETWORK.LINK.ADD");
/**
* The (regular, not timed) event type for pub/sub indicating the removal of a Link. <br>
* Payload: String linkId (not an array, just a String)
*/
EventType LINK_REMOVE_EVENT = new EventType("NETWORK.LINK.REMOVE");
/**
* The (regular, not timed) event type for pub/sub indicating the addition of an ObjectInterface implementing object. <br>
* Payload: String ObjectId (not an array, just a String)
*/
EventType OBJECT_ADD_EVENT = new EventType("NETWORK.OBJECT.ADD");
/**
* The (regular, not timed) event type for pub/sub indicating the removal of an ObjectInterface implementing object. <br>
* Payload: String objectId (not an array, just a String)
*/
EventType OBJECT_REMOVE_EVENT = new EventType("NETWORK.OBJECT.REMOVE");
/**
* The (regular, not timed) event type for pub/sub indicating the addition of an InvisibleObjectInterface implementing
* object. <br>
* Payload: String ObjectId (not an array, just a String)
*/
EventType INVISIBLE_OBJECT_ADD_EVENT = new EventType("NETWORK.INVISIBLE_OBJECT.ADD");
/**
* The (regular, not timed) event type for pub/sub indicating the removal of an InvisibleObjectInterface implementing
* object. <br>
* Payload: String objectId (not an array, just a String)
*/
EventType INVISIBLE_OBJECT_REMOVE_EVENT = new EventType("NETWORK.INVISIBLE_OBJECT.REMOVE");
/**
* The (regular, not timed) event type for pub/sub indicating the addition of a Route for a gtuType. <br>
* Payload: [String gtuTypeId, String routeId]
*/
EventType ROUTE_ADD_EVENT = new EventType("NETWORK.ROUTE.ADD");
/**
* The (regular, not timed) event type for pub/sub indicating the removal of a Route for a gtuType. <br>
* Payload: [String gtuTypeId, String routeId]
*/
EventType ROUTE_REMOVE_EVENT = new EventType("NETWORK.ROUTE.REMOVE");
/**
* The <b>timed</b> event type for pub/sub indicating the addition of a GTU to the network. <br>
* Payload: String gtuId (not an array, just a String)
*/
EventType GTU_ADD_EVENT = new EventType("NETWORK.GTU.ADD");
/**
* The <b>timed</b> event type for pub/sub indicating the removal of a GTU from the network. <br>
* Payload: String gtuId (not an array, just a String)
*/
EventType GTU_REMOVE_EVENT = new EventType("NETWORK.GTU.REMOVE");
/**
* The <b>timed</b> event type for pub/sub indicating the addition of a GTUGenerator to the network. <br>
* Payload: String generatorName (not an array, just a String)
*/
EventType GENERATOR_ADD_EVENT = new EventType("NETWORK.GENERATOR.ADD");
/**
* The <b>timed</b> event type for pub/sub indicating the removal of a GTUGenerator from the network. <br>
* Payload: String generatorName (not an array, just a String)
*/
EventType GENERATOR_REMOVE_EVENT = new EventType("NETWORK.GENERATOR.REMOVE");
}