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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.
package org.cristalise.kernel.entity;
/**
* org/cristalise/kernel/entity/ItemPOA.java .
* Generated by the IDL-to-Java compiler (portable), version "3.2"
* from /home/travis/build/cristal-ise/cristal-ise/kernel/src/main/idl/Entity.idl
* Sunday, August 11, 2019 10:53:18 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.
**/
public abstract class ItemPOA extends org.omg.PortableServer.Servant
implements org.cristalise.kernel.entity.ItemOperations, org.omg.CORBA.portable.InvokeHandler
{
// Constructors
private static java.util.Hashtable _methods = new java.util.Hashtable ();
static
{
_methods.put ("getSystemKey", new java.lang.Integer (0));
_methods.put ("initialise", new java.lang.Integer (1));
_methods.put ("queryData", new java.lang.Integer (2));
_methods.put ("requestAction", new java.lang.Integer (3));
_methods.put ("delegatedAction", new java.lang.Integer (4));
_methods.put ("queryLifeCycle", new java.lang.Integer (5));
}
public org.omg.CORBA.portable.OutputStream _invoke (String $method,
org.omg.CORBA.portable.InputStream in,
org.omg.CORBA.portable.ResponseHandler $rh)
{
org.omg.CORBA.portable.OutputStream out = null;
java.lang.Integer __method = (java.lang.Integer)_methods.get ($method);
if (__method == null)
throw new org.omg.CORBA.BAD_OPERATION (0, org.omg.CORBA.CompletionStatus.COMPLETED_MAYBE);
switch (__method.intValue ())
{
/**
* System generated unique key of the Entity. It is a 128 bit UUID, expressed as two 64 bit longs in the IDLs, but as a UUID object in the Java kernel. The ItemPath is used as the Item identifier in the kernel and its API,
which can be derived from either a UUID object or a SystemKey structure.
**/
case 0: // entity/Item/getSystemKey
{
org.cristalise.kernel.common.SystemKey $result = null;
$result = this.getSystemKey ();
out = $rh.createReply();
org.cristalise.kernel.common.SystemKeyHelper.write (out, $result);
break;
}
/** Initialises a new Item. Initial properties and the lifecycle are supplied. They should come from the Item's description.
*
* @param agentKey the Agent doing the initialisation
* @param itemProps The XML marshalled {@link org.cristalise.kernel.Property.PropertyArrayList PropertyArrayList} containing the initial
* Property objects of the Item
* @param workflow The XML marshalled new lifecycle of the Item
* @param collection The XML marshalled CollectionArrayList of the initial state of the Item's collections
* @param viewpoint the XML marshalled Viewpoint to be stored to find the Outcome
* @param outcome the XML data to be stored
* @exception ObjectNotFoundException
**/
case 1: // entity/Item/initialise
{
try {
org.cristalise.kernel.common.SystemKey agentKey = org.cristalise.kernel.common.SystemKeyHelper.read (in);
String itemProps = in.read_string ();
String workflow = in.read_string ();
String collections = in.read_string ();
String viewpoint = in.read_string ();
String outcome = in.read_string ();
this.initialise (agentKey, itemProps, workflow, collections, viewpoint, outcome);
out = $rh.createReply();
} catch (org.cristalise.kernel.common.AccessRightsException $ex) {
out = $rh.createExceptionReply ();
org.cristalise.kernel.common.AccessRightsExceptionHelper.write (out, $ex);
} catch (org.cristalise.kernel.common.InvalidDataException $ex) {
out = $rh.createExceptionReply ();
org.cristalise.kernel.common.InvalidDataExceptionHelper.write (out, $ex);
} catch (org.cristalise.kernel.common.PersistencyException $ex) {
out = $rh.createExceptionReply ();
org.cristalise.kernel.common.PersistencyExceptionHelper.write (out, $ex);
} catch (org.cristalise.kernel.common.ObjectNotFoundException $ex) {
out = $rh.createExceptionReply ();
org.cristalise.kernel.common.ObjectNotFoundExceptionHelper.write (out, $ex);
} catch (org.cristalise.kernel.common.InvalidCollectionModification $ex) {
out = $rh.createExceptionReply ();
org.cristalise.kernel.common.InvalidCollectionModificationHelper.write (out, $ex);
}
break;
}
/**
* Returns a chunk of XML which may be a serialized C2KLocalObject, or in the case of Outcomes is merely a fragment of XML.
*
* @param path - All Entity data is arranged in a tree structure which uniquely identifies that object within the Entity it is contained, according to the following scheme:
* LifeCycle/workflow (Items only): The Workflow object for this Item, containing the graph of activities defining the Item's lifecycle, and the Predefined Step container for data modificationCollection/{Name} (Items only): Collection objects defining links between ItemsProperty/{Name}: Name value pairs to idenfity this Entity, define its type, and hold any other oft-changing indicators that would be heavy to extract from OutcomesAuditTrail/{ID} (Items only): Events describing all activity state changes in this Item.Outcome/{Schema name}/{Schema version}/{Event ID} (Items only): XML fragments resulting from the execution of an Activity, validated against the XML Schema defined by that activity.ViewPoint/{Schema name}/{Name} (Items only): A named pointer to the latest version of an Outcome, defined by the Activity.Job/{ID} (Agents only): A persistent Job, reflecting a request for execution of an Activity to this Agent. Not all roles create persistent Jobs like this, only those specifically flagged to do so.
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