List of usage examples for java.util Collections max
@SuppressWarnings({ "unchecked", "rawtypes" })
public static <T> T max(Collection<? extends T> coll, Comparator<? super T> comp)
From source file:net.sourceforge.fenixedu.domain.ExecutionYear.java
public ExecutionSemester getLastExecutionPeriod() { return Collections.max(this.getExecutionPeriodsSet(), ExecutionSemester.COMPARATOR_BY_SEMESTER_AND_YEAR); }
From source file:com.tenth.space.ui.fragment.HomeFragment.java
private static Size chooseOptimalSize(Size[] choices, int textureViewWidth, int textureViewHeight, int maxWidth, int maxHeight, Size aspectRatio) { // Collect the supported resolutions that are at least as big as the preview Surface List<Size> bigEnough = new ArrayList<>(); // Collect the supported resolutions that are smaller than the preview Surface List<Size> notBigEnough = new ArrayList<>(); int w = aspectRatio.getWidth(); int h = aspectRatio.getHeight(); for (Size option : choices) { if (option.getWidth() <= maxWidth && option.getHeight() <= maxHeight && option.getHeight() == option.getWidth() * h / w) { if (option.getWidth() >= textureViewWidth && option.getHeight() >= textureViewHeight) { bigEnough.add(option);// ww w . java2s.c o m } else { notBigEnough.add(option); } } } if (bigEnough.size() > 0) { return Collections.min(bigEnough, new CompareSizesByArea()); } else if (notBigEnough.size() > 0) { return Collections.max(notBigEnough, new CompareSizesByArea()); } else { Log.e(TAG, "Couldn't find any suitable preview size"); return choices[0]; } }
From source file:br.upe.ecomp.doss.algorithm.apso.APSO.java
protected void doElitistLearningStrategy() { RandomData random = new RandomDataImpl(); APSOParticle[] particles = (APSOParticle[]) getParticles(); List<APSOParticle> apsoParticles = Arrays.asList(particles); APSOParticle bestParticle = Collections.max(apsoParticles, new ComparatorMaximumFitness()); // Dimension that can be changed if the best particle fitness improves after the change int dimensionChange = random.nextInt(0, getProblem().getDimensionsNumber() - 1); double[] currentBestPosition = bestParticle.getBestPosition(); // Standard Deviation of the Gaussian Distribution // TODO usar esse decaimento linear pode ser ruim para ambientes dinamicos double learningElitistRate = sigmaMax - (sigmaMax - sigmaMin) * (this.getIterations() / getMaxIterations()); // Changes position in only one dimension // if(EnumEvolutionaryState.CONVERGENCE) TODO testar com e sem esta condicao double newDimensionPosition = currentBestPosition[dimensionChange] + (getProblem().getUpperBound(dimensionChange) - getProblem().getLowerBound(dimensionChange)) * random.nextGaussian(0, learningElitistRate); // TODO verificar se nao extrapolou o limite do espaco de busca double[] newPosition = currentBestPosition.clone(); newPosition[dimensionChange] = newDimensionPosition; double currentBestFitness = bestParticle.getBestFitness(); double newFitness = getProblem().getFitness(newPosition); // If the change improves the fitness then update the best particle with the new position, // else update the worst particle with the new position. if (getProblem().isFitnessBetterThan(currentBestFitness, newFitness)) { bestParticle.updateBestPosition(newPosition.clone(), newFitness); bestParticle.updateCurrentPosition(newPosition.clone(), newFitness); } else {/* www. j a va 2s.c o m*/ PSOParticle worstParticle = Collections.min(apsoParticles, new ComparatorMaximumFitness()); worstParticle.updateCurrentPosition(newPosition.clone(), newFitness); worstParticle.updatePBest(getProblem()); } calculateGBest(bestParticle); }
From source file:org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyRaid.java
private DatanodeDescriptor chooseReplicaToDelete(Collection<LocatedBlock> companionBlocks, Collection<DatanodeDescriptor> dataNodes) throws IOException { if (dataNodes.isEmpty()) { return null; }/* w w w . jav a2s.c o m*/ // Count the number of replicas on each node and rack final Map<String, Integer> nodeCompanionBlockCount = countCompanionBlocks(companionBlocks, false); final Map<String, Integer> rackCompanionBlockCount = countCompanionBlocks(companionBlocks, true); NodeComparator comparator = new NodeComparator(nodeCompanionBlockCount, rackCompanionBlockCount); return Collections.max(dataNodes, comparator); }
From source file:pt.ist.fenixedu.tutorship.domain.Tutorship.java
private static Tutorship getLastTutorship(StudentCurricularPlan studentCurricularPlan) { if (!studentCurricularPlan.getTutorshipsSet().isEmpty()) { return Collections.max(studentCurricularPlan.getTutorshipsSet(), Tutorship.TUTORSHIP_START_DATE_COMPARATOR); }/*ww w .jav a 2 s .co m*/ return null; }
From source file:com.github.rvesse.github.pr.stats.PullRequestStats.java
public void run() throws IOException { if (help.showHelpIfRequested()) { CliCommandUsageGenerator generator = new CliCommandUsageGenerator(); generator.usage(null, null, "pr-stats", this.metadata, this.parserConfig, System.out); return;/* w w w. j av a 2s. c om*/ } GitHubClient client = new GitHubClient(); prepareCredentials(client); client.setUserAgent("GitHub PR Stats Bot/0.1.0 (+http://github.com/rvesse/gh-pr-stats.git)"); // Get the user just to force us to make one request so we can get stats // about the remaining requests @SuppressWarnings("unused") User user = new UserService(client).getUser(); System.out.println("You have " + client.getRemainingRequests() + " GitHub API requests of " + client.getRequestLimit() + " remaining"); long start = client.getRemainingRequests(); // Collect statistics for the pull requests PullRequestService prService = new PullRequestService(client); RepositoryId repoId = prepareRepositoryId(); List<PullRequest> prs = prService.getPullRequests(repoId, "all"); PullRequestsCollector collector = new PullRequestsCollector( this.userSummary || this.userDetailedStats || this.all, this.mergeSummary || this.mergeDetailedStats || this.all); collector.start(); for (PullRequest pr : prs) { System.out.println("Processing PR #" + pr.getNumber()); collector.collect(client, pr); } collector.end(); // Inform the user about how many API requests were used System.out.println(); System.out.println("You have " + client.getRemainingRequests() + " GitHub API requests of " + client.getRequestLimit() + " remaining"); System.out.println( "Generating statistics used " + (start - client.getRemainingRequests()) + " GitHub API requests"); System.out.println(); // Output Stats // Basic stats outputBasicStatus(collector); System.out.println(); // Age Stats outputAgeStats(collector.getDaysToMergeStats(), "Days to Merge", true); System.out.println(); outputAgeStats(collector.getDaysOpenStats(), "Days Open", true); System.out.println(); outputAgeStats(collector.getDaysToCloseStats(), "Days to Close", true); System.out.println(); // User Stats List<UserCollector> userStats = collector.getUserStats(); UserComparator<UserCollector> userComparator = new UserComparator<UserCollector>(); if (this.userSummary || this.all) { System.out.println("Total Users: " + userStats.size()); if (userStats.size() > 0) { UserCollector maxUser = Collections.max(userStats, userComparator); List<UserCollector> maxUsers = findEquivalent(userStats, maxUser, userComparator); UserCollector minUser = Collections.min(userStats, userComparator); List<UserCollector> minUsers = findEquivalent(userStats, minUser, userComparator); System.out.println("Max Pull Requests by User: " + maxUser.getTotal() + " " + maxUsers); System.out.println("Min Pull Requests by User: " + minUser.getTotal() + " " + minUsers); System.out.println("Average Pull Requests per User: " + (collector.getTotal() / userStats.size())); } System.out.println(); } if (userStats.size() > 0 && (this.userDetailedStats || this.all)) { Collections.sort(userStats, userComparator); for (AbstractUserPullRequestCollector userCollector : userStats) { outputUserStats(userCollector); System.out.println(); } } // Merging User Stats List<MergingUserCollector> mergingUserStats = collector.getMergingUserStats(); UserComparator<MergingUserCollector> mergeUserComparator = new UserComparator<MergingUserCollector>(); if (this.mergeSummary || this.all) { System.out.println("Total Merging Users: " + mergingUserStats.size()); if (mergingUserStats.size() > 0) { MergingUserCollector maxUser = Collections.max(mergingUserStats, mergeUserComparator); List<MergingUserCollector> maxUsers = findEquivalent(mergingUserStats, maxUser, mergeUserComparator); MergingUserCollector minUser = Collections.min(mergingUserStats, mergeUserComparator); List<MergingUserCollector> minUsers = findEquivalent(mergingUserStats, minUser, mergeUserComparator); System.out.println("Max Pull Requests Merged by User: " + maxUser.getMerged() + " " + maxUsers); System.out.println("Min Pull Requests Merged by User: " + minUser.getMerged() + " " + minUsers); System.out.println("Average Pull Requests Merged per User: " + (collector.getMerged() / mergingUserStats.size())); } System.out.println(); } if (mergingUserStats.size() > 0 && (this.mergeDetailedStats || this.all)) { Collections.sort(mergingUserStats, mergeUserComparator); for (MergingUserCollector userCollector : mergingUserStats) { outputUserStats(userCollector); System.out.println(); } } }
From source file:com.microblink.barcode.customcamera.camera2.Camera2Fragment.java
/** * Given {@code choices} of {@code Size}s supported by a camera, choose the smallest one that * is at least as large as the respective texture view size, and that is at most as large as the * respective max size, and whose aspect ratio matches with the specified value. If such size * doesn't exist, choose the largest one that is at most as large as the respective max size, * and whose aspect ratio matches with the specified value. * * @param choices The list of sizes that the camera supports for the intended output * class//from w w w .j av a 2 s. c o m * @param maxWidth The maximum width that can be chosen * @param maxHeight The maximum height that can be chosen * @param aspectRatio The aspect ratio * @return The optimal {@code Size}, or an arbitrary one if none were big enough */ private static Size chooseOptimalSize(Size[] choices, int maxWidth, int maxHeight, Size aspectRatio) { // Collect the supported resolutions that are at least as big as the preview Surface List<Size> bigEnough = new ArrayList<>(); int w = aspectRatio.getWidth(); int h = aspectRatio.getHeight(); for (Size option : choices) { if (option.getWidth() <= maxWidth && option.getHeight() <= maxHeight && option.getHeight() == option.getWidth() * h / w) { bigEnough.add(option); } } // Pick the largest of those big enough. if (bigEnough.size() > 0) { return Collections.max(bigEnough, new CompareSizesByArea()); } else { Log.e(TAG, "Couldn't find any suitable preview size"); return choices[0]; } }
From source file:org.apache.hadoop.hdfs.server.namenode.BlockPlacementPolicyRaid.java
private DatanodeDescriptor chooseReplicaToDelete(Collection<LocatedBlock> companionBlocks, Collection<DatanodeDescriptor> dataNodes) throws IOException { if (dataNodes.isEmpty()) { return null; }//from w w w. ja va2 s . co m // Count the number of replicas on each node and rack final Map<String, Integer>[] companionBlockCounts = countCompanionBlocks(companionBlocks); final Map<String, Integer> nodeCompanionBlockCount = companionBlockCounts[0]; final Map<String, Integer> rackCompanionBlockCount = companionBlockCounts[1]; NodeComparator comparator = new NodeComparator(nodeCompanionBlockCount, rackCompanionBlockCount); return Collections.max(dataNodes, comparator); }
From source file:org.openvpms.web.workspace.customer.charge.PharmacyOrderPlacer.java
private PatientContext getPatientContext(Order order, PatientHistoryChanges changes) { PatientContext result = null;//from w ww . j a va 2 s . c o m List<Act> events = changes.getEvents(order.getPatient().getObjectReference()); Act event; if (events == null || events.isEmpty()) { event = changes.getEvent(order.getEvent()); } else { event = Collections.max(events, new Comparator<Act>() { @Override public int compare(Act o1, Act o2) { return DateRules.compareDateTime(o1.getActivityStartTime(), o2.getActivityStartTime(), true); } }); } if (event != null) { result = factory.createContext(order.getPatient(), customer, event, location, order.getClinician()); } return result; }
From source file:dynamite.zafroshops.app.fragment.TypedZopsFragment.java
private void setZops(final boolean force) { Activity activity = getActivity();//from www . ja v a 2s . c om adapter = new TypedZopListViewAdapter(getActivity(), R.id.listViewItem, typedZops); final SharedPreferences preferences = activity.getPreferences(0); final SharedPreferences.Editor editor = preferences.edit(); final ZopType type = (ZopType) getArguments().get(ARG_ZOP_TYPE); final String key = StorageKeys.ZOPS_KEY + type.toString(); zopType = type; if (!preferences.contains(key)) { InputStream is = getResources().openRawResource(R.raw.zops); BufferedReader reader = new BufferedReader(new InputStreamReader(is)); typedZops = new ArrayList<>(Collections2.filter( (ArrayList<MobileZop>) new Gson().fromJson(reader, new TypeToken<ArrayList<MobileZop>>() { }.getType()), new Predicate<MobileZop>() { @Override public boolean apply(MobileZop input) { return input.Type == type && (!preferences.contains(StorageKeys.COUNTRY_KEY) || preferences.getString(StorageKeys.COUNTRY_KEY, "").equals("") || input.CountryID.equals(preferences.getString(StorageKeys.COUNTRY_KEY, ""))); } })); try { FileOutputStream fos = activity.openFileOutput(key, Context.MODE_PRIVATE); ObjectOutputStream oos = new ObjectOutputStream(fos); int count = typedZops.size(); oos.writeObject(typedZops); oos.close(); fos.close(); editor.putString(key, Integer.toString(count)); editor.commit(); setCount(count); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } else if (preferences.contains(key)) { try { FileInputStream fis = activity.openFileInput(key); ObjectInputStream ois = new ObjectInputStream(fis); ArrayList<MobileZop> temp = (ArrayList) ois.readObject(); typedZops = new ArrayList<>(Collections2.filter(temp, new Predicate<MobileZop>() { @Override public boolean apply(MobileZop input) { return input.Type == type && (!preferences.contains(StorageKeys.COUNTRY_KEY) || preferences.getString(StorageKeys.COUNTRY_KEY, "").equals("") || input.CountryID.equals(preferences.getString(StorageKeys.COUNTRY_KEY, ""))); } })); ois.close(); fis.close(); setCount(typedZops.size()); if (adapter != null) { adapter.setObjects(typedZops); adapter.notifyDataSetChanged(); } } catch (FileNotFoundException e) { e.printStackTrace(); } catch (StreamCorruptedException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (ClassNotFoundException e) { e.printStackTrace(); } } if (force) { final ArrayList<Pair<String, String>> parameters; if (MainActivity.LastLocation != null) { parameters = new ArrayList<Pair<String, String>>() { { add(new Pair<>("latitude", Double.toString(MainActivity.LastLocation.Latitude))); add(new Pair<>("longitude", Double.toString(MainActivity.LastLocation.Longitude))); add(new Pair<>("type", type.getText())); } }; } else { parameters = new ArrayList<Pair<String, String>>() { { add(new Pair<>("type", type.getText())); } }; } ListenableFuture<JsonElement> result = MainActivity.MobileClient.invokeApi("mobileZop", "GET", parameters); Futures.addCallback(result, new FutureCallback<JsonElement>() { Activity activity = getActivity(); @Override public void onSuccess(JsonElement result) { JsonArray typesAsJson = result.getAsJsonArray(); if (typesAsJson != null) { ArrayList<MobileZop> temp = new Gson().fromJson(result, new TypeToken<ArrayList<MobileZop>>() { }.getType()); int max = Collections.max(temp, new Comparator<MobileZop>() { @Override public int compare(MobileZop lhs, MobileZop rhs) { if (lhs.DataVersion < rhs.DataVersion) { return -1; } else if (lhs.DataVersion > rhs.DataVersion) { return 1; } else { return 0; } } }).DataVersion; ((MainActivity) activity).Versions.put(zopType, max); try { FileOutputStream fos = activity.openFileOutput(key, Context.MODE_PRIVATE); ObjectOutputStream oos = new ObjectOutputStream(fos); int count = typedZops.size(); typedZops = new ArrayList<>(Collections2.filter(temp, new Predicate<MobileZop>() { @Override public boolean apply(MobileZop input) { return input.Type == type && (!preferences.contains(StorageKeys.COUNTRY_KEY) || preferences.getString(StorageKeys.COUNTRY_KEY, "").equals("") || input.CountryID .equals(preferences.getString(StorageKeys.COUNTRY_KEY, ""))); } })); oos.writeObject(typedZops); oos.close(); fos.close(); editor.putString(key, Integer.toString(count)); editor.commit(); setCount(count); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } if (adapter != null) { adapter.setObjects(typedZops); resetVisibility(false); adapter.notifyDataSetChanged(); } } @Override public void onFailure(@NonNull Throwable t) { ListView zops = (ListView) activity.findViewById(R.id.listViewZops); RelativeLayout loader = (RelativeLayout) activity.findViewById(R.id.relativeLayoutLoader); LinearLayout noZops = (LinearLayout) activity.findViewById(R.id.noZops); resetVisibility(zops, noZops, loader, false); } }); } }