[Hibernate-issues] [Hibernate-JIRA] Created: (HB-554) <dynamic-component> return null

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  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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