Exemplo n.º 1
1
 /*
  * 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;
 }
Exemplo n.º 2
0
  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;
  }
Exemplo n.º 3
0
 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;
 }
Exemplo n.º 4
0
  /**
   * 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");
  }
Exemplo n.º 5
0
  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;
  }
Exemplo n.º 6
0
  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;
  }
Exemplo n.º 7
0
  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;
  }