Bug 17256 Exception due to bug 17208
bundles/org.eclipse.core.databinding/src/org/eclipse/core/databinding/UpdateValueStrategy.java
/**
	 * @param validator
	 * @return the receiver, to enable method call chaining
	 */
	public UpdateStrategy setBeforeSetValidator(IValidator validator) {
		this.beforeSetValidator = validator;
		return this;
	}
	/**
	 * @param converter
	 * @return the receiver, to enable method call chaining
	 */
	public UpdateValueStrategy setConverter(IConverter converter) {
		this.converter = converter;
		return this;
	}
	/**
	 * @param value
	 * @return an ok status
	 */
	public IStatus validateAfterConvert(Object value) {
		return afterConvertValidator == null ? Status.OK_STATUS
				: afterConvertValidator.validate(value);
	}
	/**
	 * @param value
	 * @return an ok status
	 */
	public IStatus validateAfterGet(Object value) {
		return afterGetValidator == null ? Status.OK_STATUS : afterGetValidator