com.graphhopper.storage

Class GHDirectory

java.lang.Object

com.graphhopper.storage.GHDirectory

All Implemented Interfaces:

Directory

Direct Known Subclasses:

MMapDirectory, RAMDirectory

public class GHDirectory
extends Object
implements Directory

Implements some common methods for the subclasses.

Author:

Peter Karich

Field Summary

Fields

Modifier and Type	Field and Description
protected String	location
protected Map<String,DataAccess>	map
protected Map<String,DAType>	types

Constructor Summary

Constructors

Constructor and Description
GHDirectory(String _location, DAType defaultType)

Method Summary

Modifier and Type	Method and Description
void	clear() Removes all contained objects from the directory and releases its resources.
Directory	create()
DataAccess	find(String name) Tries to find the object with that name if not existent it creates one and associates the location with it.
DataAccess	find(String name, DAType type)
Collection<DataAccess>	getAll() Returns all created directories.
ByteOrder	getByteOrder()
DAType	getDefaultType()
String	getLocation()
boolean	isStoring()
Directory	put(String name, DAType type)
void	remove(DataAccess da) Removes the specified object from the directory.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

location

protected final String location

map

protected Map<String,DataAccess> map

types

protected Map<String,DAType> types

Constructor Detail

GHDirectory

public GHDirectory(String _location,
                   DAType defaultType)

Method Detail

getByteOrder

public ByteOrder getByteOrder()

Specified by:

getByteOrder in interface Directory

Returns:

the order in which the data is stored

put

public Directory put(String name,
                     DAType type)

find

public DataAccess find(String name)

Description copied from interface: Directory

Tries to find the object with that name if not existent it creates one and associates the location with it. A name is unique in one Directory.

Specified by:

find in interface Directory

find

public DataAccess find(String name,
                       DAType type)

Specified by:

find in interface Directory

clear

public void clear()

Description copied from interface: Directory

Removes all contained objects from the directory and releases its resources.

Specified by:

clear in interface Directory

remove

public void remove(DataAccess da)

Description copied from interface: Directory

Removes the specified object from the directory.

Specified by:

remove in interface Directory

getDefaultType

public DAType getDefaultType()

Specified by:

getDefaultType in interface Directory

Returns:

the default type of a newly created DataAccess object

isStoring

public boolean isStoring()

create

public Directory create()

Specified by:

create in interface Directory

getAll

public Collection<DataAccess> getAll()

Description copied from interface: Directory

Returns all created directories.

Specified by:

getAll in interface Directory

toString

public String toString()

Overrides:

toString in class Object

getLocation

public String getLocation()

Specified by:

getLocation in interface Directory

Returns:

an id or location in the local filesystem.