package at.gv.egovernment.moa.spss.api.xmlverify;

/**
 * Object encapsulating transform parameters either as a URI, binary or
 * hashed.
 * 
 * @author Patrick Peck
 * @author Stephan Grill
 * @version $Id$
 */
public interface TransformParameter {
  /**
   * Indicates that this object contains a transform parameter given as
   * a URI.
   */
  public static final int URI_TRANSFORMPARAMETER = 0;
  /**
   * Indicates that this object contains binary transform parameter.
   */
  public static final int BINARY_TRANSFORMPARAMETER = 1;
  /**
   * Indicatest that this object contains a binary hash of the transform
   * parameter.
   */
  public static final int HASH_TRANSFORMPARAMETER = 2;
  
  /**
   * Gets the type of transform parameter contained in this object.
   * 
   * @return The type of transform parameter, being one of 
   * <code>URI_TRANSFORMPARAMETER</code>, <code>BINARY_TRANSFORMPARAMETER</code>
   * or <code>HASH_TRANSFORMPARAMETER</code>.
   */
  public int getTransformParameterType();
  /**
   * Gets the transform parameter URI.
   * 
   * @return The transform parameter URI.
   */
  public String getURI();}