package ca.uhn.hl7v2.model;

 import java.util.ArrayList;

 import java.util.List;

 /**

  * An unspecified Composite datatype that has an undefined number of components, each 

  * of which is a Varies.  

  * This is used to store Varies data, when the data type is unknown.  It is also 

  * used to store unrecognized message constituents.  

  * @author Bryan Tripp

  */

 @SuppressWarnings("serial")

 public class GenericComposite extends AbstractComposite {

     private List<Type> components;

     private Message message;

     /**

      * Creates a generic composite

      *

      * @param message message this object is linked to

      */

     public GenericComposite(Message message) {

         super(message);

         this.message = message;

         components = new ArrayList<Type>(20);

     }

     /** 

      * Returns the single component of this composite at the specified position (starting at 0) - 

      * Creates it (and any nonexistent components before it) if necessary.  

      */

     public Type getComponent(int number) throws DataTypeException {

         for (int i = components.size(); i <= number; i++) {

             components.add(new Varies(message));

         }

         return components.get(number);

     }    

     /** 

      * Returns an array containing the components of this field.

      */

     public Type[] getComponents() {

             return components.toArray(new Type[components.size()]);

     }    

     /** Returns the name of the type (used in XML encoding and profile checking)  */

     public String getName() {

         return "UNKNOWN";

     }

 }