/*
* public HashMap getLeafElements() { HashMap map = new HashMap(); Object[]
* elts = dataElements.values().toArray(); for (int j=0; j<elts.length; j++)
* { PDMDataElement data = (PDMDataElement) elts[j];
* map.put(data.getID(),data); } Object[] ops =
* operations.values().toArray(); for (int i=0; i<ops.length; i++){
* PDMOperation op = (PDMOperation) ops[i]; if
* (!(op.getInputElements().isEmpty())){ HashMap outs =
* op.getOutputElements(); Object[] outArray = outs.values().toArray(); for
* (int j=0; j<outArray.length; j++) { PDMDataElement d = (PDMDataElement)
* outArray[j]; map.remove(d.getID()); } } } return map; }
*/
public HashMap getLeafElements() {
HashMap result = new HashMap();
HashSet leafOps = getLeafOperations();
if (!(leafOps.isEmpty())) {
Iterator it = leafOps.iterator();
while (it.hasNext()) {
PDMOperation op = (PDMOperation) it.next();
PDMDataElement data = op.getOutputElement();
result.put(data.getID(), data);
}
} else {
Object[] elts = dataElements.values().toArray();
for (int j = 0; j < elts.length; j++) {
PDMDataElement data = (PDMDataElement) elts[j];
result.put(data.getID(), data);
}
Object[] ops = operations.values().toArray();
for (int i = 0; i < ops.length; i++) {
PDMOperation op = (PDMOperation) ops[i];
HashMap outs = op.getOutputElements();
Object[] outArray = outs.values().toArray();
for (int j = 0; j < outArray.length; j++) {
PDMDataElement d = (PDMDataElement) outArray[j];
result.remove(d.getID());
}
}
}
return result;
}
/**
* Writes the model to DOT.
*
* @param bw The writer
* @throws IOException If writing fails
*/
public void writeToDot(Writer bw) throws IOException {
// super.writeToDot(bw);
// Preamble of dot file
bw.write(
"digraph G {ranksep=\".3\"; fontsize=\"8\"; remincross=true; margin=\"0.0,0.0\"; rankdir=TB; ");
bw.write("fontname=\"Arial\"; \n");
bw.write("edge [arrowsize=\"0.5\"];\n");
bw.write("node [fontname=\"Arial\",fontsize=\"8\"];\n");
// Add the Data Element nodes
Iterator it = getVerticeList().iterator();
while (it.hasNext()) {
Object object = it.next();
if (object instanceof PDMDataElement) {
((PDMDataElement) object).writeToDot(bw, this);
}
}
// Add all edges
it = operations.values().iterator();
while (it.hasNext()) {
Object object = it.next();
if (object instanceof PDMOperation) {
((PDMOperation) object).writeToDot(bw, this);
}
}
bw.write("\n}\n");
}
public PDMState checkIfStateExists(
PDMStateSpace statespace, HashSet data, HashSet exec, HashSet failed) {
PDMState result = null;
boolean bool = false;
HashSet states = statespace.getStates();
Iterator it = states.iterator();
while (it.hasNext() && !bool) {
PDMState state2 = (PDMState) it.next();
boolean one = false;
boolean two = false;
boolean three = false;
HashSet data2 = state2.dataElements;
HashSet exec2 = state2.executedOperations;
HashSet failed2 = state2.failedOperations;
one = hashSetContainsSameDataElements(data, data2);
two = hashSetContainsSameOperations(exec, exec2);
three = hashSetContainsSameOperations(failed, failed2);
if (one && two && three) {
bool = true;
result = state2;
}
}
return result;
}
/**
* Export to PDM file.
*
* @param bw Writer
* @throws IOException If writing fails
*/
public void writeToPDM(Writer bw) throws IOException {
bw.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
bw.write("<PDM\n");
bw.write("\txmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n");
bw.write(
"\txsi:noNamespaceSchemaLocation=\"C:/Documents and Settings/ivdfeest/My Documents/Implementatie/PDM.xsd\"\n");
bw.write(">\n");
Iterator it = dataElements.values().iterator();
while (it.hasNext()) {
PDMDataElement dataElement = (PDMDataElement) it.next();
dataElement.writeToPDM(bw);
}
Iterator it2 = resources.values().iterator();
while (it2.hasNext()) {
PDMResource resource = (PDMResource) it.next();
resource.writeToPDM(bw);
}
Iterator it3 = operations.values().iterator();
while (it3.hasNext()) {
PDMOperation operation = (PDMOperation) it.next();
operation.writeToPDM(bw);
}
bw.write("</PDM>\n");
}
public boolean hashSetContainsSameOperations(HashSet set1, HashSet set2) {
boolean result = false;
HashSet s1 = (HashSet) set1.clone();
HashSet s2 = (HashSet) set2.clone();
// first part, are all elements of s1 also in s2?
boolean one = false;
Iterator it = set1.iterator();
while (it.hasNext()) {
PDMOperation d = (PDMOperation) it.next();
if (s2.contains(d)) {
s1.remove(d);
}
}
if (s1.isEmpty()) {
one = true;
}
// second part, are all elements of s21 also in s1?
boolean two = false;
HashSet s3 = (HashSet) set1.clone();
HashSet s4 = (HashSet) set2.clone();
Iterator it2 = set2.iterator();
while (it2.hasNext()) {
PDMOperation d = (PDMOperation) it2.next();
if (s3.contains(d)) {
s4.remove(d);
}
}
if (s4.isEmpty()) {
two = true;
}
// administrative stuff
s1.clear();
s2.clear();
s3.clear();
s4.clear();
result = one && two;
return result;
}
public static MiningResult importFile(InputStream input) throws IOException {
try {
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
Document doc;
// NodeList netNodes;
dbf.setValidating(false);
dbf.setIgnoringComments(true);
dbf.setIgnoringElementContentWhitespace(true);
// dbf.setExpandEntityReferences(false);
// dbf.setNamespaceAware(false);
DocumentBuilder db = dbf.newDocumentBuilder();
db.setEntityResolver(
new EntityResolver() {
public InputSource resolveEntity(String publicId, String systemId) {
if (systemId.indexOf("ARIS-Export") != -1) {
return new InputSource("file:" + About.EXTLIBLOCATION() + "ARIS-Export101.dtd");
} else {
return null;
}
}
});
InputSource inpStream = new InputSource(input);
inpStream.setSystemId("file:" + System.getProperty("user.dir", ""));
doc = db.parse(inpStream);
// check if root element is a aml tag
Message.add("parsing done" + doc, Message.DEBUG);
if (!(doc.getDocumentElement().getNodeName().equals("AML"))) {
Message.add("aml tag not found", Message.ERROR);
throw new Exception("aml tag not found");
} else {
Message.add("aml root element found");
}
EPCResult result = new EPCResult(null, (EPC) null);
HashMap ObjDef_LinkId = new HashMap();
HashMap modelid_net = new HashMap();
HashMap ObjDef_Name = new HashMap();
HashMap function_LinkId = new HashMap();
HashMap ModelId_ModelType = new HashMap();
traverseAMLforObjectNames(
ObjDef_Name, doc.getDocumentElement(), ObjDef_LinkId, ModelId_ModelType);
Iterator findLinkToEpc = ObjDef_LinkId.keySet().iterator();
while (findLinkToEpc.hasNext()) {
String currentObjDef = (String) findLinkToEpc.next();
String Links = (String) ObjDef_LinkId.get(currentObjDef);
StringTokenizer linkSet = new StringTokenizer(Links);
String realEpcLink = "";
while (linkSet.hasMoreTokens()) {
String currentLink = linkSet.nextToken();
if (ModelId_ModelType.get(currentLink).equals("MT_EEPC")) {
realEpcLink = currentLink;
break;
}
}
if (realEpcLink.equals(" ")) {
ObjDef_LinkId.remove(currentObjDef);
} else {
ObjDef_LinkId.put(currentObjDef, realEpcLink);
}
}
result =
traverseAML(
result,
doc.getDocumentElement(),
null,
ObjDef_Name,
ObjDef_LinkId,
modelid_net,
function_LinkId);
Iterator hierarchicalFunctions = function_LinkId.keySet().iterator();
while (hierarchicalFunctions.hasNext()) {
EPCSubstFunction f = (EPCSubstFunction) hierarchicalFunctions.next();
f.setSubstitutedEPC((EPC) modelid_net.get(function_LinkId.get(f)));
// Message.add(f.getSubstitutedEPC().getName());
}
return result;
} catch (Throwable x) {
Message.add(x.toString());
throw new IOException(x.getMessage());
}
}
public static PetriNet convert(ConfigurableEPC baseEPC) {
HashMap<EPCFunction, Transition> functionActivityMapping;
HashMap<EPCConnector, Place> xorconnectorChoiceMapping;
// HV: Initialize the mappings.
functionActivityMapping = new HashMap<EPCFunction, Transition>();
xorconnectorChoiceMapping = new HashMap<EPCConnector, Place>();
// Check to use the weights if necessary
// HV: Add both mappings. On completion, these will be filledd.
PetriNet petrinet =
EPCToPetriNetConverter.convert(
baseEPC, new HashMap(), functionActivityMapping, xorconnectorChoiceMapping);
HashSet visible = new HashSet();
// HV: The next block is taken care of by the functionActivityMapping
// below.
/*
* Iterator it = petrinet.getTransitions().iterator(); while
* (it.hasNext()) { Transition t = (Transition) it.next(); if (t.object
* instanceof EPCFunction) { // if (t.getLogEvent() != null) { // Add
* transitions with LogEvent (i.e. referring to functions)
* visible.add(t); } }
*/
// HV: Prevent the places mapped onto from being reduced.
visible.addAll(functionActivityMapping.values());
visible.addAll(xorconnectorChoiceMapping.values());
Message.add(visible.toString(), Message.DEBUG);
Iterator it = petrinet.getPlaces().iterator();
while (it.hasNext()) {
Place p = (Place) it.next();
if (p.inDegree() * p.outDegree() == 0) {
// Add Initial and final places to visible, i.e. places that
// refer to in and output events
visible.add(p);
}
}
// Reduce the PetriNet with Murata rules, while keeping the visible ones
PetriNetReduction pnred = new PetriNetReduction();
pnred.setNonReducableNodes(visible);
HashMap pnMap = new HashMap(); // Used to map pre-reduction nodes to
// post-reduction nodes.
PetriNet reduced = pnred.reduce(petrinet, pnMap);
if (reduced != petrinet) {
// Update both mappings from pre-reduction nodes to post-reduction
// nodes.
HashMap<EPCFunction, Transition> newFunctionActivityMapping =
new HashMap<EPCFunction, Transition>();
for (EPCFunction function : functionActivityMapping.keySet()) {
Transition transition = (Transition) functionActivityMapping.get(function);
if (pnMap.keySet().contains(transition)) {
newFunctionActivityMapping.put(function, (Transition) pnMap.get(transition));
}
}
functionActivityMapping = newFunctionActivityMapping;
HashMap<EPCConnector, Place> newXorconnectorChoiceMapping =
new HashMap<EPCConnector, Place>();
for (EPCConnector connector : xorconnectorChoiceMapping.keySet()) {
Place place = (Place) xorconnectorChoiceMapping.get(connector);
if (pnMap.keySet().contains(place)) {
newXorconnectorChoiceMapping.put(connector, (Place) pnMap.get(place));
}
}
xorconnectorChoiceMapping = newXorconnectorChoiceMapping;
}
reduced.makeClusters();
// filter the \nunknown:normal
ArrayList<Transition> alTrans = reduced.getVisibleTasks();
for (int i = 0; i < alTrans.size(); i++) {
Transition t = alTrans.get(i);
String id = t.getIdentifier();
int idx = id.indexOf("\\nunknown:normal");
if (idx > 0) {
id = id.substring(0, idx);
}
// �˴������ֵ��ѯ�滻���е�label
String mappedId = htDict.get(id);
if (mappedId != null) {
t.setIdentifier(mappedId);
} else {
t.setIdentifier(id);
}
}
return reduced;
}
/**
* Export PDM model to Declare process model.
*
* @param bw Writer
* @throws IOException If writing fails
*/
public void writePDMToDeclare(Writer bw) throws IOException {
// write the preamble of the XML file
bw.write("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n");
bw.write("<model>\n");
bw.write("<assignment language=\"ConDec\" name=\"" + name + "\">\n");
// write the activity definitions, i.e. each operation in the PDM is an
// activity definition in Declare
bw.write("<activitydefinitions>\n");
// start with an initial activity that puts the values for the leaf
// elements of the PDM
bw.write("<activity id=\"Initial\" name=\"Initial\">\n");
bw.write("<authorization/>\n");
bw.write("<datamodel>\n");
// all leaf elements
HashMap leafs = getLeafElements();
Object[] leafElts = leafs.values().toArray();
for (int i = 0; i < leafElts.length; i++) {
PDMDataElement data = (PDMDataElement) leafElts[i];
data.writePDMToDeclare(bw, "output");
}
bw.write("</datamodel>\n");
bw.write("<attributes/>\n");
bw.write("</activity>\n");
// first remove input operations from the set of operations and then
// write all real operations
HashMap realOps = (HashMap) operations.clone();
HashSet inputOps = getLeafOperations();
Iterator it7 = inputOps.iterator();
while (it7.hasNext()) {
PDMOperation op = (PDMOperation) it7.next();
realOps.remove(op.getID());
}
Iterator it4 = realOps.values().iterator();
while (it4.hasNext()) {
PDMOperation operation = (PDMOperation) it4.next();
operation.writePDMToDeclare(bw);
}
bw.write("\n");
// write all input operations (i.e. producing input data elements)
Iterator it8 = inputOps.iterator();
while (it8.hasNext()) {
PDMOperation op = (PDMOperation) it8.next();
op.writePDMToDeclare(bw);
}
bw.write("</activitydefinitions>\n");
// write the constraint definition, for now we do not have any
// constraints in the PDM that are translated to Declare
bw.write("<constraintdefinitions>\n");
bw.write("</constraintdefinitions>\n");
// write all dataelements
bw.write("<data>\n");
Iterator it5 = dataElements.values().iterator();
while (it5.hasNext()) {
PDMDataElement dataElement = (PDMDataElement) it5.next();
dataElement.writePDMToDeclare(bw);
}
bw.write("</data>\n");
// write the organizational information
bw.write("<team/>\n");
// TODO: improve graphical positioning of activities. Now they are
// presented in one long line.
// write the graphical positioning information of the Declare model,
// first the initial operation, then the real operations and then the
// input operations.
bw.write("<graphical>\n");
bw.write("<cells>\n");
Iterator it6 = realOps.values().iterator();
Double pos = 10.0;
while (it6.hasNext()) {
PDMOperation operation = (PDMOperation) it6.next();
bw.write(
"<cell activitydefinition=\""
+ operation.getOperationNR()
+ "\" height=\"40.0\" width=\"80.0\" x=\""
+ pos
+ "\" y=\"90.0\" />\n");
pos = pos + 85.0;
}
Iterator it9 = inputOps.iterator();
pos = 10.0;
while (it9.hasNext()) {
PDMOperation operation = (PDMOperation) it9.next();
bw.write(
"<cell activitydefinition=\""
+ operation.getOperationNR()
+ "\" height=\"40.0\" width=\"80.0\" x=\""
+ pos
+ "\" y=\"180.0\" />\n");
pos = pos + 85.0;
}
bw.write("</cells>\n");
// write the connectors
bw.write("<connectors/>\n");
// close the XML file in the right way
bw.write("</graphical>\n");
bw.write("</assignment>\n");
bw.write("</model>\n");
}
public HashSet calculateNextStates(
PDMState state,
PDMStateSpace statespace,
boolean root,
boolean failure,
int numStates,
int breadth) {
HashSet result = new HashSet();
HashSet data = state.dataElements;
HashSet exec1 = state.executedOperations;
HashSet failed = state.failedOperations;
HashSet execOps = calculateExecutableOperations(data, exec1, failed, root);
Iterator it = execOps.iterator();
int b = 0;
int bLimit = 0;
if (!failure) {
bLimit = breadth;
} else {
bLimit = breadth / 2;
}
// for each executable operation a new state is created
while (it.hasNext() && i < numStates && b < bLimit) {
if (!failure) {
PDMOperation op = (PDMOperation) it.next();
PDMDataElement d = op.getOutputElement();
// First, add the state with the operation 'op' succesfully
// executed
HashSet ins2 = (HashSet) data.clone(); // NB: is it necessary to
// clear this clone
// again?
ins2.add(d);
HashSet exec2 = (HashSet) exec1.clone();
exec2.add(op);
PDMState s = checkIfStateExists(statespace, ins2, exec2, failed);
// Check whether the new state already exists
// If so, then another link to this state is made
if (!(s == null)) {
PDMState st = s;
PDMStateEdge edge = new PDMStateEdge(state, st, op.getID(), 1.0);
statespace.addEdge(edge);
}
// If not, a new state is created and linked to the current
// state
else {
String name = "state" + i;
// int num = checkStatusOfState(statespace, )
PDMState st = new PDMState(statespace, name, ins2, exec2, failed);
statespace.addState(st);
result.add(st);
PDMStateEdge edge = new PDMStateEdge(state, st, op.getID(), 1.0);
statespace.addEdge(edge);
i++;
b++;
}
}
// Then, if failure of operations is considered, add the state with
// the failed operations 'op'.
if (failure) {
PDMOperation op = (PDMOperation) it.next();
PDMDataElement d = op.getOutputElement();
// First, add the state with the operation 'op' succesfully
// executed
HashSet ins2 = (HashSet) data.clone(); // NB: is it necessary to
// clear this clone
// again?
ins2.add(d);
HashSet exec2 = (HashSet) exec1.clone();
exec2.add(op);
PDMState s = checkIfStateExists(statespace, ins2, exec2, failed);
// Check whether the new state already exists
// If so, then another link to this state is made
if (!(s == null)) {
PDMState st = s;
double prob = 1.0 - (op.getFailureProbability());
PDMStateEdge edge = new PDMStateEdge(state, st, op.getID(), prob);
statespace.addEdge(edge);
}
// If not, a new state is created and linked to the current
// state
else {
String name = "state" + i;
// int num = checkStatusOfState(statespace, )
PDMState st = new PDMState(statespace, name, ins2, exec2, failed);
statespace.addState(st);
result.add(st);
double prob = 1.0 - (op.getFailureProbability());
PDMStateEdge edge = new PDMStateEdge(state, st, op.getID(), prob);
statespace.addEdge(edge);
i++;
b++;
}
HashSet failed2 = (HashSet) failed.clone();
failed2.add(op);
PDMState s2 = checkIfStateExists(statespace, data, exec1, failed2);
if (!(s2 == null)) {
PDMState st = s2;
PDMStateEdge edge = new PDMStateEdge(state, st, op.getID(), op.getFailureProbability());
statespace.addEdge(edge);
}
// If not, a new state is created and linked to the current
// state
else {
String name = "state" + i;
PDMState st = new PDMState(statespace, name, data, exec1, failed2);
statespace.addState(st);
result.add(st);
PDMStateEdge edge = new PDMStateEdge(state, st, op.getID(), op.getFailureProbability());
statespace.addEdge(edge);
i++;
b++;
}
// failed2.clear();
}
}
return result;
}
public PDMStateSpace calculateSimpleStateSpace(
boolean root, boolean failure, boolean input, boolean colored, int numStates, int breadth) {
PDMStateSpace result = new PDMStateSpace(this, colored);
HashSet states = new HashSet();
int j = (operations.size() + 1);
if (!input) {
HashSet empty = new HashSet();
PDMState st = new PDMState(result, "state" + i, empty, empty, empty);
result.addState(st);
states.add(st);
i++;
} else {
// Start with the complete set of input data elements available
HashSet empty = new HashSet();
String name = new String("state" + i);
HashSet ins = new HashSet(); // this hashSet contains the input
// elements to the process (input
// elements of PDM)
HashSet execOps = new HashSet();
// Fill the hashSet with the leaf elements
HashMap leafs = getLeafElements();
Object[] leafElts = leafs.values().toArray();
for (int i = 0; i < leafElts.length; i++) {
PDMDataElement d = (PDMDataElement) leafElts[i];
ins.add(d);
}
HashSet leafOps = getLeafOperations();
Iterator it = leafOps.iterator();
while (it.hasNext()) {
PDMOperation op = (PDMOperation) it.next();
execOps.add(op);
}
PDMState start = new PDMState(result, name, ins, execOps, empty); // start
// state
// of
// the
// statespace
result.addState(start);
i++;
states.add(start);
}
while (!states.isEmpty()) {
HashSet states2 = (HashSet) states.clone();
Iterator it = states2.iterator();
while (it.hasNext()) {
PDMState state = (PDMState) it.next();
HashSet nextStates = calculateNextStates(state, result, root, failure, numStates, breadth);
Iterator it2 = nextStates.iterator();
// Add the new states to iterator
while (it2.hasNext()) {
PDMState st = (PDMState) it2.next();
states.add(st);
}
states.remove(state);
}
}
i = 0;
j = 0;
Message.add("<PDMMDPStateSpace>", Message.TEST);
Message.add("<NumberOfStates = " + result.getNumberOfStates() + " >", Message.TEST);
Message.add("</PDMMDPStateSpace>", Message.TEST);
return result;
}
public HashSet calculateExecutableOperations(
HashSet dataElts, HashSet executed, HashSet failed, boolean root) {
HashSet result = new HashSet();
HashSet enabledOperations = new HashSet();
if (root) {
// Calculate the enabled operations (i.e. those operation of which
// all input elements are in the set of available elements)
Object[] ops = operations.values().toArray();
for (int i = 0; i < ops.length; i++) {
PDMOperation op = (PDMOperation) ops[i];
HashMap inputs = op.getInputElements();
Object[] ins = inputs.values().toArray();
boolean enabled = true;
int k = 0;
while (enabled && k < ins.length) {
PDMDataElement d = (PDMDataElement) ins[k];
if (!(dataElts.contains(d))) {
enabled = false;
}
k++;
}
if (enabled) {
enabledOperations.add(op);
// System.out.println("Enabled operation: "+ op.getID());
}
}
} else if (!(dataElts.contains(this.getRootElement()))) {
// Calculate the enabled operations (i.e. those operation of which
// all input elements are in the set of available elements)
Object[] ops = operations.values().toArray();
for (int i = 0; i < ops.length; i++) {
PDMOperation op = (PDMOperation) ops[i];
HashMap inputs = op.getInputElements();
Object[] ins = inputs.values().toArray();
boolean enabled = true;
int k = 0;
while (enabled && k < ins.length) {
PDMDataElement d = (PDMDataElement) ins[k];
if (!(dataElts.contains(d))) {
enabled = false;
}
k++;
}
if (enabled) {
enabledOperations.add(op);
}
}
}
// remove already executed operations
Iterator exIt = executed.iterator();
while (exIt.hasNext()) {
PDMOperation op = (PDMOperation) exIt.next();
enabledOperations.remove(op);
}
// remove already failed operations
Iterator fIt = failed.iterator();
while (fIt.hasNext()) {
PDMOperation op = (PDMOperation) fIt.next();
enabledOperations.remove(op);
}
result = enabledOperations;
return result;
}