it.cnr.isti.hpc.dexter.label.mapdb

Class MapDBLabelToId

java.lang.Object

it.cnr.isti.hpc.dexter.label.mapdb.MapDBLabelToId

All Implemented Interfaces:

LabelToId, LabelToIdWriter

public class MapDBLabelToId
extends Object
implements LabelToId, LabelToIdWriter

MapDBIdToLabel allows to retrieve the ID of an entity given its Label.

Author:

Diego Ceccarelli, diego.ceccarelli@isti.cnr.it created on 05/lug/2012

Method Summary

Methods

Modifier and Type	Method and Description
void	add(String label, int key) Adds the mapping label -> id
void	close() Closes the writer
void	commit()
Integer	getId(String label)
static MapDBLabelToId	getInstance()

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static MapDBLabelToId getInstance()

add

public void add(String label,
       int key)

Description copied from interface: LabelToIdWriter

Adds the mapping label -> id

Specified by:

add in interface LabelToIdWriter

getId

public Integer getId(String label)

Specified by:

getId in interface LabelToId

Returns:

return the key integer associated with a label, 0 if there's no label

commit

public void commit()

close

public void close()

Description copied from interface: LabelToIdWriter

Closes the writer

Specified by:

close in interface LabelToIdWriter