Message:
The following issue has been closed.
Resolver: Gavin King
Date: Fri, 31 Oct 2003 5:34 PM
This is not true.
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View the issue:
http://opensource.atlassian.com/projects/hibernate/secure/ViewIssue.jspa?key=HB-444
Here is an overview of the issue:
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Key: HB-444
Summary: Session.load(Object, Serializable) does not load non-null collection properties
Type: Bug
Status: Closed
Priority: Major
Resolution: REJECTED
Project: Hibernate2
Components:
core
Versions:
2.1 beta 5
Assignee:
Reporter: Paul Ferraro
Created: Fri, 31 Oct 2003 1:38 PM
Updated: Fri, 31 Oct 2003 5:34 PM
Description:
Given the following persistent class:
public class MyObject
{
private Integer id;
private Set otherObjectSet = new HashSet();
public Integer getId() { return id; }
public void setId(Integer id) { this.id = id }
public Set getOtherObjectSet() { return otherObjectSet; }
public void setOtherObjectSet(Set set) { otherObjectSet = set }
}
with the following mapping:
<class name="MyObject" table="my_object" dynamic-update="true">
<id name="id" column="my_object_id" type="int">
<generator class="native"/>
</id>
<set name="otherObjectSet" table="my_object_mapping" cascade="none">
<key column="my_object_id"/>
<many-to-many class="OtherObject" column="other_object_id"/>
</set>
</class>
The following code misbehaves:
Integer id = new Integer(1);
MyObject object = new MyObject(); // otherObjectSet is initialized to empty set
session.load(object, id);
object.getOtherObjectSet() // Will always be empty - collection was not loaded
however,
Integer id = new Integer(1);
MyObject object = (MyObject) session.load(MyObject.class, id);
object.getOtherObjectSet() // Will return properly associated OtherObjects
If I remove the " = new HashSet()" from the property declaration of set, then both methods return the proper values for getOtherObjectSet().
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