/**
* Removes an Operation to the set of Operations of the Product Data Model added by Johfra
*
* @param operation PDMOperation
*/
public void remOperation(PDMOperation operation) {
operations.remove(operation.getID());
}
/**
* 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");
}
/**
* Adds an Operation to the set of Operations of the Product Data Model
*
* @param operation PDMOperation
*/
public void addOperation(PDMOperation operation) {
operations.put(operation.getID(), operation);
}
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;
}