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Cristal-ise is a description-driven software platform originally developed to track the construction of the CMS ECAL detector of the LHC at CERN. This is its core library, known as the kernel, which manages business objects called Items. Items are entirely configured from data, called descriptions, held in other Items. Every change of a state in an Item is a consequence of an execution of an activity in that Item's lifecycle, meaning that Cristal-ise applications are completely traceable, even in their design. It also supports extensive versioning of Item description data, giving the system a high level of flexibility.

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package org.cristalise.kernel.entity;


/**
* org/cristalise/kernel/entity/ItemHelper.java .
* Generated by the IDL-to-Java compiler (portable), version "3.2"
* from /home/travis/build/cristal-ise/kernel/src/main/idl/Entity.idl
* Thursday, April 28, 2016 8:55:28 AM UTC
*/


/**
    * ManageableEntity is the CORBA super-interface for Entities. It is uniquely 
    * identifiable by its system key, and contains XML fragments arranged 
    * in a tree structure. 
    **/
abstract public class ItemHelper
{
  private static String  _id = "IDL:org.cristalise.kernel/entity/Item:1.0";

  public static void insert (org.omg.CORBA.Any a, org.cristalise.kernel.entity.Item that)
  {
    org.omg.CORBA.portable.OutputStream out = a.create_output_stream ();
    a.type (type ());
    write (out, that);
    a.read_value (out.create_input_stream (), type ());
  }

  public static org.cristalise.kernel.entity.Item extract (org.omg.CORBA.Any a)
  {
    return read (a.create_input_stream ());
  }

  private static org.omg.CORBA.TypeCode __typeCode = null;
  synchronized public static org.omg.CORBA.TypeCode type ()
  {
    if (__typeCode == null)
    {
      __typeCode = org.omg.CORBA.ORB.init ().create_interface_tc (org.cristalise.kernel.entity.ItemHelper.id (), "Item");
    }
    return __typeCode;
  }

  public static String id ()
  {
    return _id;
  }

  public static org.cristalise.kernel.entity.Item read (org.omg.CORBA.portable.InputStream istream)
  {
    return narrow (istream.read_Object (_ItemStub.class));
  }

  public static void write (org.omg.CORBA.portable.OutputStream ostream, org.cristalise.kernel.entity.Item value)
  {
    ostream.write_Object ((org.omg.CORBA.Object) value);
  }

  public static org.cristalise.kernel.entity.Item narrow (org.omg.CORBA.Object obj)
  {
    if (obj == null)
      return null;
    else if (obj instanceof org.cristalise.kernel.entity.Item)
      return (org.cristalise.kernel.entity.Item)obj;
    else if (!obj._is_a (id ()))
      throw new org.omg.CORBA.BAD_PARAM ();
    else
    {
      org.omg.CORBA.portable.Delegate delegate = ((org.omg.CORBA.portable.ObjectImpl)obj)._get_delegate ();
      org.cristalise.kernel.entity._ItemStub stub = new org.cristalise.kernel.entity._ItemStub ();
      stub._set_delegate(delegate);
      return stub;
    }
  }

  public static org.cristalise.kernel.entity.Item unchecked_narrow (org.omg.CORBA.Object obj)
  {
    if (obj == null)
      return null;
    else if (obj instanceof org.cristalise.kernel.entity.Item)
      return (org.cristalise.kernel.entity.Item)obj;
    else
    {
      org.omg.CORBA.portable.Delegate delegate = ((org.omg.CORBA.portable.ObjectImpl)obj)._get_delegate ();
      org.cristalise.kernel.entity._ItemStub stub = new org.cristalise.kernel.entity._ItemStub ();
      stub._set_delegate(delegate);
      return stub;
    }
  }

}