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/**************************************************************************
* CreateItemFromDescription
*
* $Workfile$
* $Revision: 1.47 $
* $Date: 2005/10/13 08:13:58 $
*
* Copyright (C) 2001 CERN - European Organization for Nuclear Research
* All rights reserved.
**************************************************************************/
package com.c2kernel.lifecycle.instance.predefined;
import java.util.ArrayList;
import java.util.Iterator;
import com.c2kernel.collection.Collection;
import com.c2kernel.collection.CollectionDescription;
import com.c2kernel.collection.CollectionMember;
import com.c2kernel.common.AccessRightsException;
import com.c2kernel.common.InvalidDataException;
import com.c2kernel.common.InvalidTransitionException;
import com.c2kernel.common.ObjectAlreadyExistsException;
import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.entity.CorbaServer;
import com.c2kernel.entity.TraceableEntity;
import com.c2kernel.lifecycle.CompositeActivityDef;
import com.c2kernel.lifecycle.instance.stateMachine.Transitions;
import com.c2kernel.lookup.AgentPath;
import com.c2kernel.lookup.DomainPath;
import com.c2kernel.lookup.EntityPath;
import com.c2kernel.lookup.LDAPLookup;
import com.c2kernel.persistency.ClusterStorage;
import com.c2kernel.persistency.TransactionManager;
import com.c2kernel.process.Gateway;
import com.c2kernel.property.Property;
import com.c2kernel.property.PropertyArrayList;
import com.c2kernel.property.PropertyDescription;
import com.c2kernel.property.PropertyDescriptionList;
import com.c2kernel.property.PropertyUtility;
import com.c2kernel.utils.CastorXMLUtility;
import com.c2kernel.utils.LocalObjectLoader;
import com.c2kernel.utils.Logger;
/**************************************************************************
*
* @author $Author: abranson $ $Date: 2005/10/13 08:13:58 $
* @version $Revision: 1.47 $
**************************************************************************/
public class CreateItemFromDescription extends PredefinedStep
{
public CreateItemFromDescription()
{
super();
}
//requestdata is xmlstring
public void request(AgentPath agent, int transitionID, String requestData)
throws AccessRightsException, InvalidTransitionException, InvalidDataException,ObjectAlreadyExistsException
{
String[] input = getDataList(requestData);
String newName = input[0];
String domPath = input[1];
CompositeActivityDef wfDef;
String wfDefName = null;
if (input.length > 2) // override wf
wfDefName = input[2];
PropertyArrayList props = new PropertyArrayList();
Logger.msg(1, "AddNewItem::request() - Starting.");
TransactionManager storage = Gateway.getStorage();
LDAPLookup lookup = Gateway.getLDAPLookup();
EntityPath myPath = getItemEntityPath();
checkAccessRights(agent);
try {
// check if the path is already taken
DomainPath context = new DomainPath(new DomainPath(domPath), newName);
Logger.debug(8,"context "+context.getSysKey()+" "+context.getPath()+" "+context.getString());
if (context.getSysKey()!=-1)
throw new ObjectAlreadyExistsException("The item name " +newName+ " exists already.");
// get init objects
String[] collNames = storage.getClusterContents(myPath.getSysKey(), ClusterStorage.COLLECTION);
ArrayList collections = new ArrayList();
// loop through collections to instantiate
for (int i = 0; i < collNames.length; i++) {
Collection thisCol = (Collection)storage.get(myPath.getSysKey(), ClusterStorage.COLLECTION+"/"+collNames[i], null);
if (thisCol instanceof CollectionDescription) {
CollectionDescription thisDesc = (CollectionDescription)thisCol;
collections.add(CastorXMLUtility.marshall(thisDesc.newInstance()));
}
else if (thisCol.getName().equals("Workflow") && wfDefName == null) {
ArrayList members = thisCol.getMembers().list;
// get the first member from the wf collection
CollectionMember wfMember = (CollectionMember)members.get(0);
wfDefName = wfMember.resolveEntity().getName();
}
}
// load workflow def
if (wfDefName == null)
throw new InvalidDataException("No workflow given or defined", "");
try {
wfDef = (CompositeActivityDef)LocalObjectLoader.getActDef(wfDefName, "last");
} catch (ObjectNotFoundException ex) {
throw new InvalidDataException("Workflow def '"+wfDefName+"' item not found", "");
} catch (ClassCastException ex) {
throw new InvalidDataException("Activity def '"+wfDefName+"' was not Composite", "");
}
// copy properties -- intend to create from propdesc
PropertyDescriptionList pdList = PropertyUtility.getPropertyDescriptionOutcome(myPath.getSysKey());
for (int i = 0; i < pdList.list.size(); i++) {
PropertyDescription pd = (PropertyDescription) pdList.list.get(i);
String propName = pd.getName();
String propVal = pd.getDefaultValue();
if (propName.equals("Name"))
propVal = newName;
props.list.add( new Property(propName, propVal));
}
props.list.add( new Property("Creator", agent.getAgentName()));
/* ITEM CREATION */
// generate new entity key
Logger.msg(6, "CreateItemFromDescription - Requesting new sysKey");
EntityPath entityPath = lookup.getNextKeyManager().generateNextEntityKey();
// resolve the item factory
Logger.msg(6, "CreateItemFromDescription - Resolving item factory");
// create the Item object
Logger.msg(3, "CreateItemFromDescription - Creating Item");
CorbaServer factory = Gateway.getCorbaServer();
if (factory == null) throw new AccessRightsException("This process cannot create new Items", "");
TraceableEntity newItem = (TraceableEntity)factory.createEntity(entityPath);
Gateway.getLDAPLookup().add(entityPath);
// initialise it with its properties and workflow
Logger.msg(3, "CreateItemFromDescription - Initializing Item");
newItem.initialise(
agent.getSysKey(),
CastorXMLUtility.marshall(props),
CastorXMLUtility.marshall(wfDef.instantiate()));
// add collections
if (collections.size() > 0) {
Logger.msg(6, "CreateItemFromDescription - Adding Collections");
String[] colls = new String[1];
for (Iterator iter = collections.iterator(); iter.hasNext();) {
colls[0] = (String)iter.next();
newItem.requestAction(agent.getSysKey(), "workflow/predefined/AddC2KObject", Transitions.COMPLETE, PredefinedStep.bundleData(colls));
}
}
// add its domain path
Logger.msg(3, "CreateItemFromDescription - Creating "+context);
context.setEntity(entityPath);
Gateway.getLDAPLookup().add(context);
} catch (ObjectAlreadyExistsException e) {
Logger.error(e);
throw e;
} catch (AccessRightsException e) {
Logger.error(e);
throw e;
} catch (Exception e) {
Logger.error(e);
throw new InvalidDataException(e.getMessage(), "");
}
sendEventStoreOutcome(transitionID, requestData, agent);
}
}
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