package org.enhydra.jawe.base.idfactory;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import org.enhydra.jawe.JaWEComponent;
import org.enhydra.shark.xpdl.XMLCollection;
import org.enhydra.shark.xpdl.XMLCollectionElement;
import org.enhydra.shark.xpdl.XMLElement;
import org.enhydra.shark.xpdl.XMLUtil;
import org.enhydra.shark.xpdl.elements.Activities;
import org.enhydra.shark.xpdl.elements.Activity;
import org.enhydra.shark.xpdl.elements.ActivitySet;
import org.enhydra.shark.xpdl.elements.ActivitySets;
import org.enhydra.shark.xpdl.elements.Applications;
import org.enhydra.shark.xpdl.elements.DataFields;
import org.enhydra.shark.xpdl.elements.FormalParameters;
import org.enhydra.shark.xpdl.elements.Participants;
import org.enhydra.shark.xpdl.elements.Tool;
import org.enhydra.shark.xpdl.elements.Transition;
import org.enhydra.shark.xpdl.elements.Transitions;
import org.enhydra.shark.xpdl.elements.TypeDeclarations;
import org.enhydra.shark.xpdl.elements.WorkflowProcess;
import org.enhydra.shark.xpdl.elements.WorkflowProcesses;
/**
* Factory for generating XPDL objects.
* @author Sasa Bojanic
*/
public class IdFactory {
protected IdFactorySettings settings;
public IdFactory () {
settings = new IdFactorySettings();
settings.init((JaWEComponent) null);
}
public IdFactory(IdFactorySettings settings) {
this.settings = settings;
this.settings.init((JaWEComponent) null);
}
public String generateUniqueId (XMLCollection cel) {
return generateUniqueId(cel,new HashSet());
}
public String generateUniqueId (XMLCollection cel,Set skipIds) {
// CUSTOM: use more readable names
String id;
long nextId=0;
String prefix="";
if (!(cel instanceof WorkflowProcesses)) {
if (cel instanceof Activities) {
prefix+="activity";
} else if (cel instanceof ActivitySets) {
prefix+="activitySet";
} else if (cel instanceof Applications) {
prefix+="tool";
} else if (cel instanceof DataFields) {
prefix+="variable";
} else if (cel instanceof FormalParameters) {
prefix+="parameter";
} else if (cel instanceof Participants) {
prefix+="participant";
} else if (cel instanceof Transitions) {
prefix+="transition";
} else if (cel instanceof TypeDeclarations) {
prefix+="type";
}
} else if (cel instanceof WorkflowProcesses) {
prefix = "process";
}
XMLCollectionElement cl = (XMLCollectionElement)cel.generateNewElement();
do {
id=prefix+new Long(++nextId).toString();
} while (skipIds.contains(id) || !isIdUnique(cl,id));
return id;
// END CUSTOM
}
public String generateSimilarOrIdenticalUniqueId (XMLCollection cel,Set skipIds,String origId) {
String id=origId;
long nextId=0;
XMLCollectionElement cl = (XMLCollectionElement)cel.generateNewElement();
while (id.equals("") || skipIds.contains(id) || !isIdUnique(cl,id)) {
id=origId+new Long(++nextId).toString();
}
return id;
}
public boolean isIdUnique (XMLCollectionElement el,String newId) {
XMLElement parent=el.getParent();
if(el instanceof Tool) return true;
else if(el instanceof Activity) return checkActivityId( (Activity)el,newId );
else if(el instanceof Transition) return checkTransitionId( (Transition)el,newId );
else if (parent instanceof XMLCollection) {
List elsWithId=getElementsForId((XMLCollection)parent, newId);
if (elsWithId.size()==0 || (elsWithId.size()==1 && elsWithId.contains(el))) {
return true;
}
return false;
} else {
return true;
}
}
public boolean checkActivityId (Activity newEl,String newId) {
WorkflowProcess proc = XMLUtil.getWorkflowProcess(newEl);
Activities acts = proc.getActivities();
List elsWithId=getElementsForId(acts, newId);
ActivitySets actSets = proc.getActivitySets();
for(int y = 0; y < actSets.size(); y++) {
ActivitySet actSet = (ActivitySet)actSets.get(y);
acts = actSet.getActivities();
elsWithId.addAll(getElementsForId(acts, newId));
}
if (elsWithId.size()==0 || (elsWithId.size()==1 && elsWithId.contains(newEl))) {
return true;
}return false;
}
public boolean checkTransitionId (Transition newEl,String newId) {
WorkflowProcess proc = XMLUtil.getWorkflowProcess(newEl);
Transitions trans = proc.getTransitions();
List elsWithId=getElementsForId(trans, newId);
ActivitySets actSets = proc.getActivitySets();
for(int y = 0; y < actSets.size(); y++) {
ActivitySet actSet = (ActivitySet)actSets.get(y);
trans = actSet.getTransitions();
elsWithId.addAll(getElementsForId(trans, newId));
}
if (elsWithId.size()==0 || (elsWithId.size()==1 && elsWithId.contains(newEl))) {
return true;
}
return false;
}
public List getElementsForId (XMLCollection col,String id) {
List elsWithId=new ArrayList();
Iterator it=col.toElements().iterator();
if (col.generateNewElement() instanceof XMLCollectionElement) {
while (it.hasNext()) {
XMLCollectionElement ce=(XMLCollectionElement)it.next();
if (ce.getId().equals(id)) {
elsWithId.add(ce);
}
}
}
return elsWithId;
}
}