conceptcontroller.java

J2EE & Tomcat books published by hope

/*
 */


package org.impact.stars.control.ejb;

import java.rmi.RemoteException;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.ejb.CreateException;
import javax.ejb.DuplicateKeyException;
import javax.ejb.FinderException;
import javax.ejb.RemoveException;
import javax.ejb.EJBException;
import java.util.*;

import org.impact.stars.util.Debug;

import org.impact.stars.util.JNDINames;
import org.impact.stars.util.EJBUtil;

import org.impact.stars.util.EJBKeys;

import org.impact.stars.conceptmd.concept.ejb.ConceptLocal;
import org.impact.stars.conceptmd.concept.ejb.ConceptLocalHome;
import org.impact.stars.organizationmd.profilemgr.ejb.ProfileMgrLocal;
import org.impact.stars.organizationmd.profilemgr.ejb.ProfileMgrLocalHome;

import org.impact.stars.control.event.ConceptEvent;
import org.impact.stars.control.event.StarsEvent;

import org.impact.stars.control.exceptions.StarsEventException;
import org.impact.stars.conceptmd.concept.exceptions.ConceptAppException;
import org.impact.stars.control.exceptions.StarsAppException;
/*
import org.impact.stars.control.exceptions.DuplicateAccountException;
*/
public class ConceptController extends StateControllerSupport {

  public void perform(StarsEvent event) throws StarsEventException {
        ConceptEvent ce = (ConceptEvent)event;

        switch (ce.getActionType()) {
        case ConceptEvent.CREATE_CONCEPT_DATA: {
            Debug.println("ConceptController (ejb): CREATE_CONCEPT event");
            try {
               ConceptLocalHome home = EJBUtil.getConceptLocalHome();
               ConceptLocal cpt = home.create(ce.getCstrID(), ce.getConceptID(), ce.getName(), ce.getParentID(), ce.getType(), ce.getPstakeholder(), ce.getShared(), ce.getProposetime(), ce.getDefinition(), ce.getDescription());
               Debug.println("ConceptController: created concept concept for " + ce.getConceptID());
            } catch (CreateException cre) {
                throw new StarsAppException("Unable to create a new concept for " + ce.getConceptID() + " at this time");
            }  catch (javax.naming.NamingException nme) {
                throw new EJBException("Irrecoverable error creating concept: " + ce);
            }
        } break;
          case ConceptEvent.UPDATE_CONCEPT_DATA: {
            Debug.println("ConceptController (ejb): UPDATE_CONCEPT_DATA event");
            try {
               Debug.println("ConceptController (ejb): updating concept concept for " + ce.getConceptID());
               ConceptLocalHome home = EJBUtil.getConceptLocalHome();
               ConceptLocal cpt = home.findByPrimaryKey(ce.getConceptID());
               cpt.updateConcept(ce.getDefinition(), ce.getDescription(), ce.getName(), ce.getParentID(), ce.getProposetime(), ce.getPstakeholder(), ce.getShared(), ce.getType());               
            } catch (javax.ejb.FinderException fde) {
                throw new StarsAppException("Unable to find an concept/profile with concept id : " + ce.getConceptID());
            } catch (javax.ejb.NoSuchEntityException nee) {
                throw new StarsAppException("Unable to find an concept/profile with concept id : " + ce.getConceptID());
            } catch (javax.naming.NamingException nme) {
                Debug.println("ConceptController naming exception: " + nme);
                throw new EJBException("Irrecoverable error while updating concept : " + nme);
            }
        } break;
        case ConceptEvent.DELETE_CONCEPT: {
            Debug.println("ConceptController (ejb): DELETE_CONCEPT event");
            try {
               Debug.println("ConceptController (ejb): deleting concept concept for " + ce.getConceptID());
               ConceptLocalHome home = EJBUtil.getConceptLocalHome();
               ConceptLocal cpt = home.findByPrimaryKey(ce.getConceptID());
               removeAllChild(cpt, home);               
            }catch (javax.ejb.FinderException fe) {
                throw new StarsAppException("Unable to find an concept/profile with concept id : " + ce.getConceptID());             
            } catch (javax.naming.NamingException nme) {
                Debug.println("ConceptController naming exception: " + nme);
                throw new EJBException("Irrecoverable error while updating concept : " + nme);
            }
        } break;
        default:
            Debug.print("ConcpetController: no action performed");
            break;
        }
  }
  //used by delete to remove a branch in the tree
  private void removeAllChild(ConceptLocal concept, ConceptLocalHome home) throws StarsAppException
  {
      try{
        Collection cptchild = home.findChildren(concept.getConceptID());
               java.util.Iterator cptit = cptchild.iterator();
               while(cptit.hasNext())
               {
                   ConceptLocal child = (ConceptLocal)cptit.next();
                   removeAllChild(child, home);
               }
               concept.remove();
      }catch (javax.ejb.FinderException fe) {
                throw new StarsAppException("Problem to find an concept/profile with parent id : " + concept.getConceptID());             
            } catch (javax.ejb.RemoveException rme) {
                throw new StarsAppException("Unable to remove an concept/profile with concept id : " + concept.getConceptID());
            }
  }
}