edu.msu.nscl.olog

Class LogbookManager

java.lang.Object

edu.msu.nscl.olog.LogbookManager

public class LogbookManager
extends Object

Author:

berryman

Method Summary

Methods

Modifier and Type	Method and Description
static Logbook	create(String name, String owner) Creates a logbook in the database.
static Logbooks	findAll() Returns the list of logbooks in the database.
static Logbook	findLogbook(String name) XXX: The biggest bottom neck here is that if the logbook contains more than 1000 logs, the merge times goes up exponentially, to prevent this, lets get a logbook without logs, removing the botton neck.
static Logbook	findLogbookOld(String name) Deprecated.
static void	remove(String name) Remove a logbook (mark as Inactive).

Methods inherited from class java.lang.Object

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

Method Detail

findAll

public static Logbooks findAll()
                        throws OlogException

Returns the list of logbooks in the database.

Returns:

Logbooks

Throws:

OlogException - wrapping an SQLException

findLogbookOld

@Deprecated
public static Logbook findLogbookOld(String name)
                              throws OlogException

Deprecated.

Finds a logbook in the database by name.

Returns:

Logbook

Throws:

OlogException - wrapping an SQLException

findLogbook

public static Logbook findLogbook(String name)
                           throws OlogException

XXX: The biggest bottom neck here is that if the logbook contains more than 1000 logs, the merge times goes up exponentially, to prevent this, lets get a logbook without logs, removing the botton neck. this works without needing to remove the Logbook cache, since we never marshall the Log objects for the Logbook if this change, this approach will not work and the cache should be remove at the end of the log creation by em.getEntityManagerFactory().getCache().evict(Logbook.class);\ Finds a logbook in the database by name.

Returns:

Logbook

Throws:

OlogException - wrapping an SQLException

create

public static Logbook create(String name,
             String owner)
                      throws OlogException

Creates a logbook in the database.

Parameters:

name - name of logbook

owner - owner of logbook

Throws:

OlogException - wrapping an SQLException

remove

public static void remove(String name)
                   throws OlogException

Remove a logbook (mark as Inactive).

Parameters:

name - logbook name

Throws:

OlogException