dk.netarkivet.harvester.datamodel
Class GlobalCrawlerTrapListDBDAO

java.lang.Object
  dk.netarkivet.harvester.datamodel.GlobalCrawlerTrapListDAO
      dk.netarkivet.harvester.datamodel.GlobalCrawlerTrapListDBDAO

public class GlobalCrawlerTrapListDBDAO
extends GlobalCrawlerTrapListDAO

A singleton giving access to global crawler traps.

Constructor Summary

protected

GlobalCrawlerTrapListDBDAO() protected constructor of this class.

Method Summary

int	create(GlobalCrawlerTrapList trapList) This method creates the object in the database and has the side effect of setting the trapLists id field to the auto-generated id in the database.
void	delete(int id) Deletes a crawler trap list from the database.
boolean	exists(java.lang.String name) Does crawlertrap with this name already exist.
java.util.List<GlobalCrawlerTrapList>	getAllActive() Get all active crawler traps.
java.util.List<java.lang.String>	getAllActiveTrapExpressions() Get a merged list (without duplicates) of all currently-active crawler trap expressions.
java.util.List<GlobalCrawlerTrapList>	getAllInActive() Get all inactive crawler traps.
GlobalCrawlerTrapList	read(int id) Get a traplist from the database.
void	update(GlobalCrawlerTrapList trapList) Update a trap list.

Methods inherited from class dk.netarkivet.harvester.datamodel.GlobalCrawlerTrapListDAO

getInstance, reset

Methods inherited from class java.lang.Object

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

Constructor Detail

GlobalCrawlerTrapListDBDAO

protected GlobalCrawlerTrapListDBDAO()

protected constructor of this class. Checks if any migration are needed before operation starts.

Method Detail

getAllActive

public java.util.List<GlobalCrawlerTrapList> getAllActive()

Description copied from class: GlobalCrawlerTrapListDAO

Get all active crawler traps.

Specified by:

getAllActive in class GlobalCrawlerTrapListDAO

Returns:

a list of all active crawler traps.

getAllInActive

public java.util.List<GlobalCrawlerTrapList> getAllInActive()

Description copied from class: GlobalCrawlerTrapListDAO

Get all inactive crawler traps.

Specified by:

getAllInActive in class GlobalCrawlerTrapListDAO

Returns:

a list of all inactive crawler traps.

getAllActiveTrapExpressions

public java.util.List<java.lang.String> getAllActiveTrapExpressions()

Description copied from class: GlobalCrawlerTrapListDAO

Get a merged list (without duplicates) of all currently-active crawler trap expressions.

Specified by:

getAllActiveTrapExpressions in class GlobalCrawlerTrapListDAO

Returns:

a list os all active crawler trap expressions.

create

public int create(GlobalCrawlerTrapList trapList)

Description copied from class: GlobalCrawlerTrapListDAO

This method creates the object in the database and has the side effect of setting the trapLists id field to the auto-generated id in the database.

Specified by:

create in class GlobalCrawlerTrapListDAO

Parameters:

trapList - The list to persist

Returns:

the id of the created list

delete

public void delete(int id)

Description copied from class: GlobalCrawlerTrapListDAO

Deletes a crawler trap list from the database.

Specified by:

delete in class GlobalCrawlerTrapListDAO

Parameters:

id - the id of the list to be deleted

update

public void update(GlobalCrawlerTrapList trapList)

Update a trap list. In order to update the trap expressions for this list, we first delete all the existing trap expressions for the list then add all those in the updated version.

Specified by:

update in class GlobalCrawlerTrapListDAO

Parameters:

trapList - the trap list to update

read

public GlobalCrawlerTrapList read(int id)

Description copied from class: GlobalCrawlerTrapListDAO

Get a traplist from the database.

Specified by:

read in class GlobalCrawlerTrapListDAO

Parameters:

id - the id of the traplist to be read.

Returns:

the trap list.

exists

public boolean exists(java.lang.String name)

Does crawlertrap with this name already exist.

Specified by:

exists in class GlobalCrawlerTrapListDAO

Parameters:

name - The name for a crawlertrap

Returns:

true, if a crawlertrap with the given name already exists in the database; otherwise false