Bug 126839 [DataBinding] IObservable refactoring
bundles/org.eclipse.jface.databinding/src/org/eclipse/jface/internal/databinding/DataBindingContext.java
*/
	public IUpdatableValue getPartialValidationMessage() {
		return partialValidationMessage;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.internal.provisional.databinding.IDataBindingContext#getValidationMessage()
	 */
	public IUpdatableValue getValidationMessage() {
		return validationMessage;
	}
	protected void registerDefaultBindSupportFactory() {
		
		addBindSupportFactory(new IBindSupportFactory() {
			public IValidator createValidator(Class fromType, Class toType,
					Object modelDescription) {
				if (fromType == null || toType == null) {
					
					
					
					
					
					
					
					
					
					
					return new IValidator() {
						public String isPartiallyValid(Object value) {