Bug 149251 Inconsistent Handling of a Non-inheritable ROM Property
For a ROM property defined to be non-inheritable, an empty string property value should be consistently handled as an empty string, not as null. For example, an oda.dataSource extension defines a data source property with canInherit=false. When a oda-data-source handle get saved in a report design, it correctly includes the tag for such property, even when an empty string value is specified. <oda-data-source extensionID="my.oda.plugin" name="my Data Source" id="24"> ... <property name="ApplicationServer"></property> </oda-data-source> However, later when using the DE API to read its property value, a null is returned. Then when the report design is subsequently saved, the property tag is lost. Expects that an empty string value of a non-inhertiable property should be preserved.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/ReferencableStructure.java
target.addClientStructure( this );
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.core.Structure#validate(org.eclipse.birt.report.model.core.Module,
	 *      org.eclipse.birt.report.model.core.DesignElement)
	 */
	public List validate( Module module, DesignElement element )
	{
		List errors = new ArrayList( );
		
		StructRefValue ref = (StructRefValue) getLocalProperty( module,
				LIB_REFERENCE_MEMBER );
		if ( ref != null && !ref.isResolved( ) )
		{
			errors.add( new SemanticError( element, new String[]{
					getDefn( ).getName( ), getReferencableProperty( ),
					libReference.getQualifiedReference( )},
					SemanticError.DESIGN_EXCEPTION_INVALID_LIBRARY_REFERENCE ) );
			return errors;
		}
		return errors;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.lang.Object#clone()
	 */