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/**
* This file is part of the CRISTAL-iSE kernel.
* Copyright (c) 2001-2014 The CRISTAL Consortium. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*
* http://www.fsf.org/licensing/licenses/lgpl.html
*/
package com.c2kernel.lifecycle.instance.predefined.item;
import com.c2kernel.collection.Collection;
import com.c2kernel.collection.CollectionArrayList;
import com.c2kernel.collection.CollectionDescription;
import com.c2kernel.collection.CollectionMember;
import com.c2kernel.common.CannotManageException;
import com.c2kernel.common.InvalidDataException;
import com.c2kernel.common.ObjectAlreadyExistsException;
import com.c2kernel.common.ObjectCannotBeUpdated;
import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.common.PersistencyException;
import com.c2kernel.entity.CorbaServer;
import com.c2kernel.entity.TraceableEntity;
import com.c2kernel.lifecycle.CompositeActivityDef;
import com.c2kernel.lifecycle.instance.CompositeActivity;
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.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 CreateItemFromDescription extends PredefinedStep
{
public CreateItemFromDescription()
{
super();
}
//requestdata is xmlstring
@Override
protected String runActivityLogic(AgentPath agent, ItemPath itemPath,
int transitionID, String requestData) throws InvalidDataException, ObjectNotFoundException, ObjectAlreadyExistsException, CannotManageException, ObjectCannotBeUpdated, PersistencyException {
String[] input = getDataList(requestData);
String newName = input[0];
String domPath = input[1];
String descVer = input.length > 2 ? input[2]:"last";
PropertyArrayList initProps =
input.length > 3?getInitProperties(input[3]):new PropertyArrayList();
Logger.msg(1, "CreateItemFromDescription - Starting.");
// check if the path is already taken
DomainPath context = new DomainPath(new DomainPath(domPath), newName);
//Logger.debug(8,"context "+context.getItemPath()+" "+context.getPath()+" "+context.getString());
if (context.exists())
throw new ObjectAlreadyExistsException("The path " +context+ " exists already.");
// get init objects
/* ITEM CREATION */
// generate new entity key
Logger.msg(6, "CreateItemFromDescription - Requesting new item path");
ItemPath newItemPath = new ItemPath();
// 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 CannotManageException("This process cannot create new Items");
TraceableEntity newItem = factory.createItem(newItemPath);
Gateway.getLookupManager().add(newItemPath);
// initialise it with its properties and workflow
Logger.msg(3, "CreateItemFromDescription - Initializing Item");
try {
newItem.initialise(
agent.getSystemKey(),
Gateway.getMarshaller().marshall(getNewProperties(itemPath, descVer, initProps, newName, agent)),
Gateway.getMarshaller().marshall(getNewWorkflow(itemPath, descVer)),
Gateway.getMarshaller().marshall(getNewCollections(itemPath, descVer))
);
} catch (PersistencyException e) {
throw e;
} catch (Exception e) {
throw new InvalidDataException("CreateAgentFromDescription: Problem initializing new Agent. See log: "+e.getMessage());
}
// add its domain path
Logger.msg(3, "CreateItemFromDescription - Creating "+context);
context.setItemPath(newItemPath);
Gateway.getLookupManager().add(context);
return requestData;
}
protected PropertyArrayList getInitProperties(String input) throws InvalidDataException {
try {
return (PropertyArrayList)Gateway.getMarshaller().unmarshall(input);
} catch (Exception e) {
Logger.error(e);
throw new InvalidDataException("Initial property parameter was not a marshalled PropertyArrayList: "+input);
}
}
protected PropertyArrayList getNewProperties(ItemPath itemPath, String descVer, PropertyArrayList initProps, String newName, AgentPath agent) throws ObjectNotFoundException, InvalidDataException {
// copy properties -- intend to create from propdesc
PropertyDescriptionList pdList = PropertyUtility.getPropertyDescriptionOutcome(itemPath, descVer);
PropertyArrayList props = pdList.instantiate(initProps);
// 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));
return props;
}
protected CompositeActivity getNewWorkflow(ItemPath itemPath, String descVer) throws ObjectNotFoundException, InvalidDataException, PersistencyException {
// find the workflow def for the given description version
String wfDefName = null; Integer wfDefVer = null;
Collection<? extends CollectionMember> thisCol = (Collection<? extends CollectionMember>)Gateway.getStorage().get(itemPath, ClusterStorage.COLLECTION+"/workflow/"+descVer, null);
CollectionMember wfMember = thisCol.getMembers().list.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 == null)
throw new InvalidDataException("No workflow def version given");
try {
CompositeActivityDef wfDef = (CompositeActivityDef)LocalObjectLoader.getActDef(wfDefName, wfDefVer);
return (CompositeActivity)wfDef.instantiate();
} catch (ObjectNotFoundException ex) {
throw new InvalidDataException("Workflow def '"+wfDefName+"'v"+wfDefVer+" not found");
} catch (ClassCastException ex) {
throw new InvalidDataException("Activity def '"+wfDefName+"' was not Composite");
}
}
protected CollectionArrayList getNewCollections(ItemPath itemPath, String descVer) throws ObjectNotFoundException, PersistencyException {
// loop through collections, collecting instantiated descriptions and finding the default workflow def
CollectionArrayList colls = new CollectionArrayList();
String[] collNames = Gateway.getStorage().getClusterContents(itemPath, ClusterStorage.COLLECTION);
for (String collName : collNames) {
Collection<? extends CollectionMember> thisCol = (Collection<? extends CollectionMember>)Gateway.getStorage().get(itemPath, ClusterStorage.COLLECTION+"/"+collName+"/"+descVer, null);
if (thisCol instanceof CollectionDescription) {
CollectionDescription<?> thisDesc = (CollectionDescription<?>)thisCol;
colls.put(thisDesc.newInstance());
}
}
return colls;
}
}
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