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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.agent;
import java.util.ArrayList;
import com.c2kernel.collection.Collection;
import com.c2kernel.collection.CollectionArrayList;
import com.c2kernel.collection.CollectionDescription;
import com.c2kernel.collection.CollectionMember;
import com.c2kernel.common.AccessRightsException;
import com.c2kernel.common.InvalidDataException;
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.predefined.PredefinedStep;
import com.c2kernel.lookup.AgentPath;
import com.c2kernel.lookup.DomainPath;
import com.c2kernel.lookup.ItemPath;
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.PropertyDescriptionList;
import com.c2kernel.property.PropertyUtility;
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 CreateAgentFromDescription extends PredefinedStep
{
public CreateAgentFromDescription()
{
super();
}
//requestdata is xmlstring
@Override
protected String runActivityLogic(AgentPath agent, int itemSysKey,
int transitionID, String requestData) throws InvalidDataException {
String[] input = getDataList(requestData);
String newName = input[0];
String domPath = input[1];
CompositeActivityDef wfDef;
String wfDefName = null;
int wfDefVer = -1;
if (input.length > 2) // override wf
wfDefName = input[2];
PropertyArrayList props = new PropertyArrayList();
Logger.msg(1, "AddNewItem::request() - Starting.");
TransactionManager storage = Gateway.getStorage();
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
// loop through collections, collecting instantiated descriptions and finding the default workflow def
CollectionArrayList colls = new CollectionArrayList();
String[] collNames = storage.getClusterContents(itemSysKey, ClusterStorage.COLLECTION);
for (String collName : collNames) {
Collection<? extends CollectionMember> thisCol = (Collection<? extends CollectionMember>)storage.get(itemSysKey, ClusterStorage.COLLECTION+"/"+collName, null);
if (thisCol instanceof CollectionDescription) {
CollectionDescription<? extends CollectionMember> thisDesc = (CollectionDescription<? extends CollectionMember>)thisCol;
colls.put(thisDesc.newInstance());
}
else if (thisCol.getName().equalsIgnoreCase("workflow") && wfDefName == null) {
ArrayList<? extends CollectionMember> members = thisCol.getMembers().list;
// get the first member from the wf collection
CollectionMember wfMember = members.get(0);
wfDefName = wfMember.resolveItem().getName();
Object wfVerObj = wfMember.getProperties().get("Version");
try {
wfDefVer = Integer.parseInt(wfVerObj.toString());
} catch (NumberFormatException ex) {
throw new InvalidDataException("Invalid workflow version number: "+wfVerObj.toString(), "");
}
}
}
// load workflow def
if (wfDefName == null)
throw new InvalidDataException("No workflow given or defined", "");
if (wfDefVer == -1)
throw new InvalidDataException("No workflow def version given","");
try {
wfDef = (CompositeActivityDef)LocalObjectLoader.getActDef(wfDefName, wfDefVer);
} 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(itemSysKey);
props = pdList.instanciate();
// set Name prop or create if not present
boolean foundName = false;
for (Property prop : props.list) {
if (prop.getName().equals("Name")) {
foundName = true;
prop.setValue(newName);
}
}
if (!foundName) props.list.add(new Property("Name", newName, true));
props.list.add( new Property("Creator", agent.getAgentName(), false));
/* ITEM CREATION */
// generate new entity key
Logger.msg(6, "CreateItemFromDescription - Requesting new sysKey");
ItemPath entityPath = Gateway.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.getLookup().add(entityPath);
// initialise it with its properties and workflow
Logger.msg(3, "CreateItemFromDescription - Initializing Item");
newItem.initialise(
agent.getSysKey(),
Gateway.getMarshaller().marshall(props),
Gateway.getMarshaller().marshall(wfDef.instantiate()),
Gateway.getMarshaller().marshall(colls)
);
// add its domain path
Logger.msg(3, "CreateItemFromDescription - Creating "+context);
context.setEntity(entityPath);
Gateway.getLookup().add(context);
return requestData;
} catch (Exception e) {
Logger.error(e);
throw new InvalidDataException(e.getMessage(), "");
}
}
}
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