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

DataFlowObject.java

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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
    • -1
    • +2
    ./DataFlowObject.java
  2. … 170 more files in changeset.
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
    • -1
    • +2
    ./DataFlowObject.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

Options
    • -28
    • +22
    ./DataFlowObject.java
  2. … 59 more files in changeset.
Wednesday 11 May 2016
3:08 pm

Marcin Cieslak

LDEV-3776: Remove $Id CVS keyword.

Options
    • -1
    • +1
    ./DataFlowObject.java
  2. … 782 more files in changeset.
Thursday 05 May 2016
4:11 pm

Marcin Cieslak

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

Options
    • -5
    • +6
    ./DataFlowObject.java
  2. … 1860 more files in changeset.
Thursday 28 Apr 2016
5:07 pm

Marcin Cieslak

LDEV-3401: Convert XDoclet annotations to empty comments.

Options
    • -8
    • +8
    ./DataFlowObject.java
  2. … 473 more files in changeset.
Thursday 02 Jul 2009
9:06 pm

Marcin Cieslak

LDEV-2374: Data flow between tools: framework and example for Q&A -> Vote.

Options
    • -0
    • +143
    ./DataFlowObject.java
  2. … 85 more files in changeset.