Package org.mycore.pi.urn

Class MCRCountingDNBURNGenerator

java.lang.Object

org.mycore.pi.MCRPIGenerator<MCRDNBURN>

org.mycore.pi.urn.MCRDNBURNGenerator

org.mycore.pi.urn.MCRCountingDNBURNGenerator

public abstract class MCRCountingDNBURNGenerator
extends MCRDNBURNGenerator

A Generator which helps to generate a URN with a counter inside.

Method Summary

Modifier and Type	Method	Description
final int	getCount(String pattern)	Gets the count for a specific pattern and increase the internal counter.
protected AtomicInteger	readCountFromDatabase(String countPattern)

Methods inherited from class org.mycore.pi.urn.MCRDNBURNGenerator

buildNISS, generate, generate, getNamespace

Methods inherited from class org.mycore.pi.MCRPIGenerator

checkPropertyExists, getGeneratorID, getProperties, init, setProperties

Methods inherited from class java.lang.Object

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

Method Details

readCountFromDatabase

protected AtomicInteger readCountFromDatabase(String countPattern)

getCount

public final int getCount(String pattern)

Gets the count for a specific pattern and increase the internal counter. If there is no internal counter it will look into the Database and detect the highest count with the pattern.

Parameters:

pattern - a reg exp pattern which will be used to detect the highest count. The first group is the count. e.G. [0-9]+-mods-2017-([0-9][0-9][0-9][0-9])-[0-9] will match 31-mods-2017-0003-3 and the returned count will be 4 (3+1).

Returns:

the next count