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View the issue:
http://opensource.atlassian.com/projects/hibernate/secure/ViewIssue.jspa?key=HB-554
Here is an overview of the issue:
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Key: HB-554
Summary: <dynamic-component> return null
Type: Improvement
Status: Unassigned
Priority: Major
Project: Hibernate2
Components:
core
Versions:
2.1 final
Assignee:
Reporter: J.A. Gonzalez
Created: Tue, 16 Dec 2003 1:40 AM
Updated: Tue, 16 Dec 2003 1:40 AM
Environment: j2sdk1.4.2_01, MS SQL 2000, Windows 2000 SP4
Description:
If all attributes of a dynamic component are NULL in database, the persistance class returns a NULL Map. If one of dynamic attributes is NOT NULL, the the class returns a Map containing all specified propertys. These propertys with null values returns NULL and the set attribute contains the correct value.
Improvement: Return allways a MAP and never NULL. Return the map with all keys set and NULL values as Object if the attribute is NUll in database.
Sorry, my english insn't really good. I hope you understand what i wrote.
The mapping file:
<class table="user" name="user.User" lazy="false">
<id unsaved-value="0" column="id" type="int" name="id">
<generator class="identity"/>
</id>
<property type="boolean" column="selectable" name="selectable"/>
<.. more properties ....>
<dynamic-component name="userAttributes" >
<property type="string" column="location" name="location"/>
<property type="string" column="company" name="company"/>
<property type="string" column="emailaddress" name="emailAddress"/>
<property type="string" column="address" name="address"/>
<property type="string" column="faxnumber" name="faxNumber"/>
<property type="string" column="phonenumber" name="phoneNumber"/>
<property type="string" column="zipcode" name="zipCode"/>
<property type="string" column="personalnumber" name="personalNumber"/>
<property type="string" column="employeenumber" name="employeeNumber"/>
<property type="string" column="mobilephonenumber" name="mobilePhoneNumber"/>
<property type="string" column="department" name="department"/>
</dynamic-component>
</class>
The java class:
public class User {
private Map userAttributes;
public User() {
userAttributes = new HashMap();
}
<...... more getters and setters ......>
public Map getUserAttributes() {
return userAttributes;
}
public void setUserAttributes(Map map) {
userAttributes = map;
}
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