lams-github / lams_common / src / java / org / lamsfoundation / lams / learningdesign

ToolActivity.java

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Monday 18 Oct 2021
10:32 pm

Marcin Cieslak

LDEV-4411 Make relation from Evaluation to ToolActivity unidirectional

Hibernate can not lazy load properties connected with OneToOne

relationship. It means that with every fetch of ToolActivity its

ActivityEvaluation was also fetched, whether is was needed or not. It

made up even 10% of all queries sent to DB during a lesson.

By having the relationship unidirectional and fetching

ActivityEvaluation via DAO we ensure that it is fetched only when it is

needed. The code is not as nice, though.

Options
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    ./ToolActivity.java
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Sunday 17 Oct 2021
10:53 pm

Marcin Cieslak

LDEV-5250 Remove Pedagogical Planner integration with core LAMS

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    ./ToolActivity.java
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Monday 27 Sep 2021
3:56 pm

Marcin Cieslak

LDEV-4288 Prevent duplicate entries in Gradebook activity table

Unique key allows us to track situations in which duplicate entries get

created in the table.

There is no point in copying Gradebook entries on tool content copy - we

never copy live lessons, only template Learning Designs which should not

have any gradebook entries set.

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Friday 05 Feb 2021
1:24 am

Marcin Cieslak

LDEV-3125 Give learner less detailed error about missing grouping

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Monday 26 Nov 2018
11:23 pm

Marcin Cieslak

LDEV-4696 Make all @ManyToOne and @OneToOne lazy

Hibernate 3 used lazy loading of single-object relationships by default.

JPA's default setting is eager. When loading entities all references are

loaded immediately using JOINs. A large entity, like Learning Design,

can have a query consisting of 25 JOINs. It makes it very slow.

There is no way to change JPA's default behaviour. In order to make JPA

annotations behave like old Hibernate, each of them got an explicit

attribute saying that loading is lazy.

Options
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11:23 pm

Marcin Cieslak

LDEV-4696 Make all @ManyToOne and @OneToOne lazy

Hibernate 3 used lazy loading of single-object relationships by default.

JPA's default setting is eager. When loading entities all references are

loaded immediately using JOINs. A large entity, like Learning Design,

can have a query consisting of 25 JOINs. It makes it very slow.

There is no way to change JPA's default behaviour. In order to make JPA

annotations behave like old Hibernate, each of them got an explicit

attribute saying that loading is lazy.

Options
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    ./ToolActivity.java
  2. … 170 more files in changeset.
Friday 02 Nov 2018
10:32 pm

Marcin Cieslak

LDEV-4696 Rewrite part of Common entities to Hibernate annotations

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Wednesday 30 Aug 2017
2:30 am

Marcin Cieslak

LDEV-4415 Add tool output weight. Rewrite activity evaluations.

Activity evaluations have been implemented as a list, even though always

only the first element is meaningful. They were rewritten as one-to-one

association with Activity. The primary key is activity ID now instead of

DB generated UID.

Weight column was added.

Server version was bumped so a filter can pick up activityEvaluations ->

evaluation field rename when importing older LDs.

A convention without date was used for server version as it seems good

enough.

Unnecessary versions of clients were removed from configuration table as

they server the abandoned Flash authoring.

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Thursday 15 Dec 2016
7:46 pm

Marcin Cieslak

LDEV-3971: Move code that creates a session on tool side to the same transaction where core tool session gets created. Otherwise a learner can read that the core session is created and enter the activity where tool session does not exist yet.

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Wednesday 11 May 2016
3:08 pm

Marcin Cieslak

LDEV-3776: Remove $Id CVS keyword.

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Thursday 05 May 2016
4:11 pm

Marcin Cieslak

LDEV-3776: Clean up and format all LAMS Java code.

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Thursday 28 Apr 2016
5:07 pm

Marcin Cieslak

LDEV-3401: Convert XDoclet annotations to empty comments.

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Monday 01 Feb 2016
5:53 pm

Marcin Cieslak

LDEV-3654: Remove comparator as it sorts Activities, not Tool Sessions.

Options
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    ./ToolActivity.java
Saturday 14 Feb 2015
7:16 am

Andrey Balan

LDEV-3420 Add date column to Gradebook marks

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Wednesday 23 Apr 2014
3:44 am

Andrey Balan

LDEV-3215 Proper handling and message in case of Activity requires existing grouping but no group for user exists yet.

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    ./ToolActivity.java
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Wednesday 19 Mar 2014
7:08 pm

Marcin Cieslak

LDEV-3187: Fix a bug in grouped tool session creating.

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Monday 10 Mar 2014
6:51 pm

Marcin Cieslak

LDEV-3187: Prevent LAMS from creating Tool Session containing whole lesson class when grouping is required in the given activity.

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Saturday 18 Jan 2014
6:37 am

Andrey Balan

LDEV-3147 Simplify tools: get rid of instructions tab, define in monitor and offline activity options

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Monday 14 Feb 2011
7:45 am

Marcin Cieslak

LDEV-2646: Allow access control for viewing/editing a copy/original template in Planner nodes for Teachers. Swap collapse/expand arrows - it seems more right now. Some clean up - move PlannerActivityMetadata to a proper packet, change some labels etc.

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Sunday 13 Feb 2011
2:38 am

Marcin Cieslak

LDEV-2642, LDEV-2616: Move Planner activity metadata (hidden, collapsed, expanded) to a separate table, as it may grow in the future and we don't want to make ToolActivity too complex. Move Editing Advice content from Online Instructions in activities to the metadata table. Allow editing the Editing Advice straight from the planner. Use jquery_ui instead of cluetip (dispose the last one completely). While creating a node, the Learning Design is imported just once from ZIP into DB, instead of importing it each time someone opens it in Planner. This allows less unnecessary copies of the LD and allows easier modfication of the original design. Change the way a Teacher gets a copy of the design. When opening the template in Planner, a copy is made in common folder ("Planner preview"). When the user saves the design, the same copy is *moved* to user's folder, rather than copying it again. Futhermore, each subsequent save modifies the same LD rather than making another copy.

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Sunday 12 Dec 2010
10:17 pm

Marcin Cieslak

LDEV-2614: Added expand activity button. Collapse/expand activity state is now stored on "Save as Sequence" action.

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Thursday 09 Apr 2009
1:05 pm

lfoxton

LDEV-2173 - Putting most of gradebook into its own project for easier maintainence

Database persistence beans and DAO are staying in lams_common

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Tuesday 17 Mar 2009
9:08 am

lfoxton

LDEV-2173 - First commit for gradebook stuff

First monitor interface implemented, teachers can look by activity to mark the students work

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Wednesday 11 Mar 2009
9:10 am

lfoxton

LDEV-2163 Creating a service for integrated servers where they can fetch tool outputs for a given lesson and user

this invovles:

- Outlining/Saving expecteed tool outputs in author, so that includes copying/export/insert/save

- Fetching the data in LessonManagerService so it can be serialised into xml

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Thursday 26 Feb 2009
2:24 am

Marcin Cieslak

LDEV-1998: Added preview/export/import functionality for Pedagogical Planner nodes. Fixed some bugs. Added some code comments.

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    ./ToolActivity.java
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Friday 19 Sep 2008
1:54 pm

dcarlier

LDEV-1909 -Competence editor backend model

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Thursday 18 Sep 2008
10:30 am

jliew

LDEV-1910 hibernate loses branch_activity_id value when association is uni-directional, make it bi-directional. Putting link in the top level Activity class rather than BranchingActivity because of new work for LDEV-1299 that will allow more types of Activities to be mapped to branch_activity_id in lams_branching_activity_entry

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Sunday 09 Dec 2007
5:59 pm

fmalikoff

LDEV-750: Adding insert sequence into sequence functionality. Basic functionality done - still yet to do the Flash side and some security checking.

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Wednesday 15 Aug 2007
9:54 am

fmalikoff

Changes to support tool output based branching. Work in progress!

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Thursday 19 Jul 2007
3:10 pm

fmalikoff

LDEV-1134: Branching: Added stopAfterActivity flag to activity, which will allow us to "end" a lesson at the end of the activity. Progress engine changes done.

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