com.graphhopper.routing.subnetwork

Class SubnetworkStorage

java.lang.Object

com.graphhopper.routing.subnetwork.SubnetworkStorage

public class SubnetworkStorage
extends Object

This class handles storage of subnetwork ids for every node. Useful to pick the correct set of landmarks or fail fast for routing when two nodes are from different subnetworks.

Author:

Peter Karich

Constructor Summary

Constructors

Constructor and Description
SubnetworkStorage(DataAccess da)

Method Summary

Modifier and Type	Method and Description
void	close()
SubnetworkStorage	create(long byteCount)
void	flush()
long	getCapacity()
int	getSubnetwork(int nodeId) Returns the subnetwork ID for the specified nodeId or 0 if non is associated e.g.
boolean	isClosed()
boolean	loadExisting()
void	setSubnetwork(int nodeId, int subnetwork) This method sets the subnetwork if of the specified nodeId.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SubnetworkStorage

public SubnetworkStorage(DataAccess da)

Method Detail

getSubnetwork

public int getSubnetwork(int nodeId)

Returns the subnetwork ID for the specified nodeId or 0 if non is associated e.g. because the subnetwork is too small.

setSubnetwork

public void setSubnetwork(int nodeId,
                          int subnetwork)

This method sets the subnetwork if of the specified nodeId. Default is 0 and means subnetwork was too small to be useful to be stored.

loadExisting

public boolean loadExisting()

create

public SubnetworkStorage create(long byteCount)

flush

public void flush()

close

public void close()

isClosed

public boolean isClosed()

getCapacity

public long getCapacity()