com.graphhopper.search

Class NameIndex

java.lang.Object

com.graphhopper.search.NameIndex

All Implemented Interfaces:

Storable<NameIndex>, Closeable, AutoCloseable

public class NameIndex
extends Object
implements Storable<NameIndex>

Author:

Ottavio Campana, Peter Karich

Constructor Summary

Constructors

Constructor and Description
NameIndex(Directory dir)

Method Summary

Modifier and Type	Method and Description
void	close() This method makes sure that the underlying used resources are released.
void	copyTo(NameIndex nameIndex)
NameIndex	create(long initBytes) Creates the underlying storage.
void	flush() This method makes sure that the underlying data is written to the storage.
String	get(long pointer)
long	getCapacity()
boolean	isClosed()
boolean	loadExisting()
long	put(String name)
void	setSegmentSize(int segments)

Methods inherited from class java.lang.Object

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

Constructor Detail

NameIndex

public NameIndex(Directory dir)

Method Detail

create

public NameIndex create(long initBytes)

Description copied from interface: Storable

Creates the underlying storage. First operation if it cannot be loaded.

Specified by:

create in interface Storable<NameIndex>

loadExisting

public boolean loadExisting()

Specified by:

loadExisting in interface Storable<NameIndex>

Returns:

true if successfully loaded from persistent storage.

put

public long put(String name)

Returns:

the byte pointer to the name

get

public String get(long pointer)

flush

public void flush()

Description copied from interface: Storable

This method makes sure that the underlying data is written to the storage. Keep in mind that a disc normally has an IO cache so that flush() is (less) probably not save against power loses.

Specified by:

flush in interface Storable<NameIndex>

close

public void close()

Description copied from interface: Storable

This method makes sure that the underlying used resources are released. WARNING: it does NOT flush on close!

Specified by:

close in interface Storable<NameIndex>

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

isClosed

public boolean isClosed()

Specified by:

isClosed in interface Storable<NameIndex>

setSegmentSize

public void setSegmentSize(int segments)

getCapacity

public long getCapacity()

Specified by:

getCapacity in interface Storable<NameIndex>

Returns:

the allocated storage size in bytes

copyTo

public void copyTo(NameIndex nameIndex)