Package com.graphhopper.storage

Class TurnCostStorage

java.lang.Object

com.graphhopper.storage.TurnCostStorage

public class TurnCostStorage
extends Object

A key/value store, where the unique keys are triples (fromEdge, viaNode, toEdge) and the values are integers that can be used to store encoded values.

Author:

Karl Hübner, Peter Karich, Michael Zilske

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	TurnCostStorage.Iterator

Constructor Summary

Constructors

Constructor	Description
TurnCostStorage(BaseGraph baseGraph, DataAccess turnCosts)

Method Summary

Modifier and Type	Method	Description
void	close()
TurnCostStorage	create(long initBytes)
void	flush()
boolean	get(BooleanEncodedValue bev, int fromEdge, int viaNode, int toEdge)
double	get(DecimalEncodedValue dev, int fromEdge, int viaNode, int toEdge)
TurnCostStorage.Iterator	getAllTurnCosts()	Returns an iterator over all entries.
long	getCapacity()
int	getTurnCostsCount()
int	getTurnCostsCount(int node)
boolean	isClosed()
boolean	loadExisting()
void	set(BooleanEncodedValue bev, int fromEdge, int viaNode, int toEdge, boolean value)
void	set(DecimalEncodedValue turnCostEnc, int fromEdge, int viaNode, int toEdge, double cost)	Sets the turn cost at the viaNode when going from "fromEdge" to "toEdge"
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

TurnCostStorage

public TurnCostStorage(BaseGraph baseGraph,
 DataAccess turnCosts)

Method Details

create

public TurnCostStorage create(long initBytes)

flush

public void flush()

close

public void close()

getCapacity

public long getCapacity()

loadExisting

public boolean loadExisting()

set

public void set(BooleanEncodedValue bev,
 int fromEdge,
 int viaNode,
 int toEdge,
 boolean value)

set

public void set(DecimalEncodedValue turnCostEnc,
 int fromEdge,
 int viaNode,
 int toEdge,
 double cost)

Sets the turn cost at the viaNode when going from "fromEdge" to "toEdge"

get

public double get(DecimalEncodedValue dev,
 int fromEdge,
 int viaNode,
 int toEdge)

get

public boolean get(BooleanEncodedValue bev,
 int fromEdge,
 int viaNode,
 int toEdge)

getTurnCostsCount

public int getTurnCostsCount()

getTurnCostsCount

public int getTurnCostsCount(int node)

isClosed

public boolean isClosed()

toString

public String toString()

Overrides:

toString in class Object

getAllTurnCosts

public TurnCostStorage.Iterator getAllTurnCosts()

Returns an iterator over all entries.

Returns:

an iterator over all entries.