/* * 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; }
public synchronized void messageReceived(int to, Message m) { DrainMsg mhMsg = (DrainMsg) m; log.debug( "incoming: localDest: " + to + " type:" + mhMsg.get_type() + " hops:" + (16 - mhMsg.get_ttl()) + " seqNo:" + mhMsg.get_seqNo() + " source:" + mhMsg.get_source() + " finalDest:" + mhMsg.get_dest()); // lets assume that the network cannot buffer more than 25 drain msgs from a single source at a // time (should be more than reasonable) if (seqNos.containsKey(new Integer(mhMsg.get_source()))) { int oldSeqNo = ((Integer) seqNos.get(new Integer(mhMsg.get_source()))).intValue(); int upperBound = mhMsg.get_seqNo() + 25; int wrappedUpperBound = 25 - (255 - mhMsg.get_seqNo()); if ((oldSeqNo >= mhMsg.get_seqNo() && oldSeqNo < upperBound) || (oldSeqNo >= 0 && oldSeqNo < wrappedUpperBound)) { log.debug( "Dropping message from " + mhMsg.get_source() + " with duplicate seqNo: " + mhMsg.get_seqNo()); return; } } seqNos.put(new Integer(mhMsg.get_source()), new Integer(mhMsg.get_seqNo())); if (to != spAddr && to != MoteIF.TOS_BCAST_ADDR && to != TOS_UART_ADDR) { log.debug("Dropping message not for me."); return; } HashSet promiscuousSet = (HashSet) idTable.get(new Integer(BCAST_ID)); HashSet listenerSet = (HashSet) idTable.get(new Integer(mhMsg.get_type())); if (listenerSet != null && promiscuousSet != null) { listenerSet.addAll(promiscuousSet); } else if (listenerSet == null && promiscuousSet != null) { listenerSet = promiscuousSet; } if (listenerSet == null) { log.debug("No Listener for type: " + mhMsg.get_type()); return; } for (Iterator it = listenerSet.iterator(); it.hasNext(); ) { MessageListener ml = (MessageListener) it.next(); ml.messageReceived(to, mhMsg); } }
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; }
public static int close() { int count = 0; Iterator iterator = m_notUsedConnection.iterator(); while (iterator.hasNext()) { try { ((ConnectionWrapper) iterator.next()).close(); count++; } catch (Exception e) { } } m_notUsedConnection.clear(); iterator = m_usedUsedConnection.iterator(); while (iterator.hasNext()) { try { ConnectionWrapper wrapper = (ConnectionWrapper) iterator.next(); wrapper.close(); if (DEBUG) { wrapper.debugInfo.printStackTrace(); } count++; } catch (Exception e) { } } m_usedUsedConnection.clear(); return count; }
@Override public Iterator<Integer> getSuccessorsIterator(final int s, final int i) { // Need to build set to avoid duplicates // So not necessarily the fastest method to access successors HashSet<Integer> succs = new HashSet<Integer>(); for (Distribution distr : trans.get(s).get(i)) { succs.addAll(distr.getSupport()); } return succs.iterator(); }
public void appendTo(Element el) { Document doc = el.getOwnerDocument(); Element p = doc.createElement("profile"); p.setAttribute("name", name); Iterator<String> it = ids.iterator(); while (it.hasNext()) { Element child = doc.createElement("enable"); child.setAttribute("id", it.next()); p.appendChild(child); } el.appendChild(p); }
public void testReadDictionary() { FileResource fr = new FileResource("dictionaries/English"); HashSet<String> dict = readDictionary(fr); System.out.println("dict has " + dict.size() + " entries"); Iterator<String> it = dict.iterator(); for (int i = 0; i < 25; i++) { if (it.hasNext()) { System.out.println(i + "\t" + it.next()); } } }
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; }
void remove() { UFNode root = this.find(); if (root != this) for (UFNode child : children) child.parent = root; else if (!children.isEmpty()) { Iterator<UFNode> it = children.iterator(); root = it.next(); root.parent = null; while (it.hasNext()) it.next().parent = root; root.size = this.size; } root.size--; this.parent = null; this.size = 1; }
public static synchronized void printDebugMsg(PrintStream out) { if (DEBUG == false) { return; } StringBuffer msg = new StringBuffer(); msg.append("debug message in " + SimpleConnectionPool.class.getName()); msg.append("\r\n"); msg.append("total count is connection pool: " + getConnectionCount()); msg.append("\r\n"); msg.append("not used connection count: " + getNotUsedConnectionCount()); msg.append("\r\n"); msg.append("used connection, count: " + getUsedConnectionCount()); out.println(msg); Iterator iterator = m_usedUsedConnection.iterator(); while (iterator.hasNext()) { ConnectionWrapper wrapper = (ConnectionWrapper) iterator.next(); wrapper.debugInfo.printStackTrace(out); } out.println(); }
/** Creates a patch from the two passed in files, writing the result to <code>os</code>. */ public static void createPatch(String oldPath, String newPath, OutputStream os, boolean minimal) throws IOException { JarFile2 oldJar = new JarFile2(oldPath); JarFile2 newJar = new JarFile2(newPath); try { Iterator entries; HashMap moved = new HashMap(); HashSet visited = new HashSet(); HashSet implicit = new HashSet(); HashSet moveSrc = new HashSet(); HashSet newEntries = new HashSet(); // FIRST PASS // Go through the entries in new jar and // determine which files are candidates for implicit moves // ( files that has the same filename and same content in old.jar // and new.jar ) // and for files that cannot be implicitly moved, we will either // find out whether it is moved or new (modified) entries = newJar.getJarEntries(); if (entries != null) { while (entries.hasNext()) { JarEntry newEntry = (JarEntry) entries.next(); String newname = newEntry.getName(); // Return best match of contents, will return a name match if possible String oldname = oldJar.getBestMatch(newJar, newEntry); if (oldname == null) { // New or modified entry if (_debug) { System.out.println("NEW: " + newname); } newEntries.add(newname); } else { // Content already exist - need to do a move // Should do implicit move? Yes, if names are the same, and // no move command already exist from oldJar if (oldname.equals(newname) && !moveSrc.contains(oldname)) { if (_debug) { System.out.println(newname + " added to implicit set!"); } implicit.add(newname); } else { // The 1.0.1/1.0 JarDiffPatcher cannot handle // multiple MOVE command with same src. // The work around here is if we are going to generate // a MOVE command with duplicate src, we will // instead add the target as a new file. This way // the jardiff can be applied by 1.0.1/1.0 // JarDiffPatcher also. if (!minimal && (implicit.contains(oldname) || moveSrc.contains(oldname))) { // generate non-minimal jardiff // for backward compatibility if (_debug) { System.out.println("NEW: " + newname); } newEntries.add(newname); } else { // Use newname as key, since they are unique if (_debug) { System.err.println("moved.put " + newname + " " + oldname); } moved.put(newname, oldname); moveSrc.add(oldname); } // Check if this disables an implicit 'move <oldname> <oldname>' if (implicit.contains(oldname) && minimal) { if (_debug) { System.err.println("implicit.remove " + oldname); System.err.println("moved.put " + oldname + " " + oldname); } implicit.remove(oldname); moved.put(oldname, oldname); moveSrc.add(oldname); } } } } } // if (entries != null) // SECOND PASS: <deleted files> = <oldjarnames> - <implicitmoves> - // <source of move commands> - <new or modified entries> ArrayList deleted = new ArrayList(); entries = oldJar.getJarEntries(); if (entries != null) { while (entries.hasNext()) { JarEntry oldEntry = (JarEntry) entries.next(); String oldName = oldEntry.getName(); if (!implicit.contains(oldName) && !moveSrc.contains(oldName) && !newEntries.contains(oldName)) { if (_debug) { System.err.println("deleted.add " + oldName); } deleted.add(oldName); } } } // DEBUG if (_debug) { // DEBUG: print out moved map entries = moved.keySet().iterator(); if (entries != null) { System.out.println("MOVED MAP!!!"); while (entries.hasNext()) { String newName = (String) entries.next(); String oldName = (String) moved.get(newName); System.out.println("key is " + newName + " value is " + oldName); } } // DEBUG: print out IMOVE map entries = implicit.iterator(); if (entries != null) { System.out.println("IMOVE MAP!!!"); while (entries.hasNext()) { String newName = (String) entries.next(); System.out.println("key is " + newName); } } } JarOutputStream jos = new JarOutputStream(os); // Write out all the MOVEs and REMOVEs createIndex(jos, deleted, moved); // Put in New and Modified entries entries = newEntries.iterator(); if (entries != null) { while (entries.hasNext()) { String newName = (String) entries.next(); if (_debug) { System.out.println("New File: " + newName); } writeEntry(jos, newJar.getEntryByName(newName), newJar); } } jos.finish(); jos.close(); } catch (IOException ioE) { throw ioE; } finally { try { oldJar.getJarFile().close(); } catch (IOException e1) { // ignore } try { newJar.getJarFile().close(); } catch (IOException e1) { // ignore } } // finally }
public static void main(String[] argv) { System.out.println("StringCache Test Suite"); System.out.println("-------------------------------------------------------------"); System.out.println(" Initializing Tests"); System.out.print(" Generating string cache\t\t\t\t"); StringCache sc = new StringCache(); System.out.println("[ DONE ]"); System.out.print(" Generating random number generator\t\t\t"); RandomSource rng = new SimpleRandomSource(null); System.out.println("[ DONE ]"); System.out.print(" Generating test strings\t\t\t\t"); char[] test = new char[] {'t', 'e', 's', 't'}; char[] test_2 = new char[] {'t', 'e', 's', 't'}; char[] test_3 = new char[] {'t', 'e', 's', 't'}; char[] test2 = new char[] {'t', 'e', 's', 't', '2'}; System.out.println("[ DONE ]"); System.out.println("-------------------------------------------------------------"); System.out.println(" Running Tests"); System.out.print(" Testing Simple Put\t\t\t\t"); String s = sc.get(test); String s2 = sc.get(test2); if (Arrays.equals(test, s.toCharArray())) { System.out.println("[ PASSED ]"); } else { System.out.println("[ FAILED ]"); System.out.println(" Input: \t" + String.valueOf(test)); System.out.println(" Output:\t" + s); } System.out.print(" Testing Double Put\t\t\t\t"); String s_2 = sc.get(test_2); if (Arrays.equals(test_2, s.toCharArray()) && (s == s_2)) { System.out.println("[ PASSED ]"); } else { System.out.println("[ FAILED ]"); System.out.println(" Input: \t" + String.valueOf(test_2)); System.out.println( " Output:\t" + s_2 + " " + s_2.hashCode() + " " + s + " " + s.hashCode()); } System.out.print(" Loading 10000 4-char strings\t\t\t\t"); HashSet<String> set = new HashSet<String>(); char[] array = new char[4]; String t = null; for (int i = 0; i < 10000; i++) { t = sc.get(randomize(rng, array)); if (!set.contains(t)) { set.add(t); } else { Iterator<String> j = set.iterator(); while (j.hasNext()) { String other = (String) j.next(); if (other.equals(t)) { if (other != t) { System.out.println("[ FAILED ]"); System.out.println( " Output:\t" + t + " " + t.hashCode() + " " + other + " " + other.hashCode()); } else { System.out.println("MATCH! (" + t + ")"); } } } } } System.out.println("[ PASSED ]"); System.out.println("-------------------------------------------------------------"); }
/** * 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; }