Example usage for java.util Collections reverseOrder

Introduction

In this page you can find the example usage for java.util Collections reverseOrder.

Prototype

@SuppressWarnings("unchecked")
public static <T> Comparator<T> reverseOrder(Comparator<T> cmp) 

Source Link

Document

Returns a comparator that imposes the reverse ordering of the specified comparator.

Usage

From source file:com.thesoftwareguild.capstoneblog.dao.BlogDaoDbImpl.java

@Override
public List<Post> getAllPublishedPosts() {
    // List<Post> posts = new ArrayList<>();
    List<Post> posts = jdbcTemplate.query(SQL_SELECT_ALL_PUBLISHED_POSTS, new PostMapper());

    // Get associated categories
    for (Post p : posts) {
        setPostCategories(p);//  w w w  .  j  a  v a  2 s. com
        setPostTags(p);
        setPostComments(p);
    }

    Collections.sort(posts, Collections
            .reverseOrder((Post o1, Post o2) -> o1.getLocalDatePosted().compareTo(o2.getLocalDatePosted())));
    return posts;
}

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From source file:org.pentaho.reporting.designer.core.editor.expressions.ExpressionPropertiesTableModel.java

protected void updateData(final Expression[] elements) throws IntrospectionException {
    this.elements = elements.clone();
    this.editors = new BeanUtility[elements.length];
    for (int i = 0; i < elements.length; i++) {
        this.editors[i] = new BeanUtility(elements[i]);
    }/*from w w w.j a  v  a 2 s  .c  o  m*/

    final ExpressionPropertyMetaData[] metaData = selectCommonAttributes();
    if (tableStyle == TableStyle.ASCENDING) {
        Arrays.sort(metaData, new PlainMetaDataComparator());
        this.groupings = new GroupingHeader[metaData.length];
        this.metaData = metaData;
    } else if (tableStyle == TableStyle.DESCENDING) {
        Arrays.sort(metaData, Collections.reverseOrder(new PlainMetaDataComparator()));
        this.groupings = new GroupingHeader[metaData.length];
        this.metaData = metaData;
    } else {
        Arrays.sort(metaData, new GroupedMetaDataComparator());

        int groupCount = 0;
        final Locale locale = Locale.getDefault();
        if (metaData.length > 0) {
            String oldValue = null;

            for (int i = 0; i < metaData.length; i++) {
                if (groupCount == 0) {
                    groupCount = 1;
                    final ExpressionPropertyMetaData firstdata = metaData[i];
                    oldValue = firstdata.getGrouping(locale);
                    continue;
                }

                final ExpressionPropertyMetaData data = metaData[i];
                final String grouping = data.getGrouping(locale);
                if ((ObjectUtilities.equal(oldValue, grouping)) == false) {
                    oldValue = grouping;
                    groupCount += 1;
                }
            }
        }

        final ExpressionPropertyMetaData[] groupedMetaData = new ExpressionPropertyMetaData[metaData.length
                + groupCount];
        this.groupings = new GroupingHeader[groupedMetaData.length];
        int targetIdx = 0;
        GroupingHeader group = null;
        for (int sourceIdx = 0; sourceIdx < metaData.length; sourceIdx++) {
            final ExpressionPropertyMetaData data = metaData[sourceIdx];
            if (sourceIdx == 0) {
                group = new GroupingHeader(data.getGrouping(locale));
                groupings[targetIdx] = group;
                targetIdx += 1;
            } else {
                final String newgroup = data.getGrouping(locale);
                if ((ObjectUtilities.equal(newgroup, group.getHeaderText())) == false) {
                    group = new GroupingHeader(newgroup);
                    groupings[targetIdx] = group;
                    targetIdx += 1;
                }
            }

            groupings[targetIdx] = group;
            groupedMetaData[targetIdx] = data;
            targetIdx += 1;
        }

        this.metaData = groupedMetaData;
    }

    fireTableDataChanged();
}

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From source file:org.opentestsystem.shared.security.service.AbsractRolesAndPermissionsService.java

private void setupEffectiveTenantsForRoles(final List<SbacRole> roleList) {
    final Map<String, SbacRole> roleNameMap = Maps.uniqueIndex(
            Iterables.filter(roleList, ROLE_APPLICABLE_TO_COMPONENT_FILTER), ROLE_NAME_MAP_TRANSFORMER);

    for (final Map.Entry<String, SbacRole> roleMapEntry : roleNameMap.entrySet()) {
        SbacRole role = roleMapEntry.getValue();
        final List<Tenant> tenantsComponentRole = getApplicableTenants(Sets.newHashSet(role.getEntities()));

        // may not always be present due to tenancy roles
        if (tenantsComponentRole != null) {
            Collections.sort(tenantsComponentRole, Collections.reverseOrder(new Tenant.TenantTypeComparator()));
            for (Tenant tenant : tenantsComponentRole) {
                if (role.getEffectiveEntity().getEntityType().equals(tenant.getType())
                        && role.getEffectiveEntity().getEntityId().equals(tenant.getName())) {
                    //first check to see if the effective entity (the one the role is assigned at) has a valid tenant)
                    //if so, just use that one
                    roleMapEntry.getValue().setEffectiveTenant(tenant);
                } else if (!TenantType.CLIENT.equals(tenant.getType())) {
                    //otherwise 'walk the tenant tree' to see if there is a non-client tenant that matches the roles hierarchy.
                    for (SbacEntity entity : role.getEntities()) {
                        if (entity.getEntityId() != null && entity.getEntityId().equals(tenant.getName())
                                && entity.getEntityType().equals(tenant.getType())) {
                            //build a new tenant (since one wasn't matched) with the roles effective tenant level,
                            //but with the subscription details from the matched tenant higher in the hierarchy.
                            Tenant newTenant = new Tenant();
                            newTenant.setTenantSubscriptions(tenant.getTenantSubscriptions());
                            newTenant.setId(role.getEffectiveEntity().getEntityId());
                            newTenant.setName(role.getEffectiveEntity().getEntityName());
                            newTenant.setType(role.getEffectiveEntity().getEntityType());
                            roleMapEntry.getValue().setEffectiveTenant(newTenant);
                        }/*from   ww  w.  j  ava  2  s .c  o m*/
                    }
                }
            }
        }
    }
}

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From source file:com.datumbox.framework.common.utilities.PHPMethods.java

private static <T extends Comparable<T>> Integer[] _asort(T[] array, boolean reverse) {
    //create an array with the indexes
    Integer[] indexes = new Integer[array.length];
    for (int i = 0; i < array.length; ++i) {
        indexes[i] = i;//from  w  w w.jav  a2  s.  c  o m
    }

    //sort the indexes first
    Comparator<Integer> c = (Integer index1, Integer index2) -> array[index1].compareTo(array[index2]);
    c = reverse ? Collections.reverseOrder(c) : c;
    Arrays.sort(indexes, c);

    //rearrenage the array based on the order of indexes
    arrangeByIndex(array, indexes);

    return indexes;
}

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From source file:org.openmrs.module.casereport.CaseReportUtil.java

/**
 * Gets the last visit made by the specified patient
 *
 * @param patient the patient to match against
 * @return the last visit for the specified patient
 * @should return the last visit for the specified patient
 */// w  ww  .j  ava 2s. c om
public static Visit getLastVisit(Patient patient) {
    final List<Visit> visits = Context.getVisitService().getVisitsByPatient(patient, true, false);
    Collections.sort(visits, Collections.reverseOrder(new Comparator<Visit>() {

        @Override
        public int compare(Visit v1, Visit v2) {
            return OpenmrsUtil.compare(v1.getStartDatetime(), v2.getStartDatetime());
        }
    }));

    if (visits.isEmpty()) {
        return null;
    }
    return visits.get(0);
}

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From source file:org.kew.rmf.core.lucene.LuceneMatcher.java

public void sortMatches(List<Map<String, String>> matches) {
    final String sortOn = config.getSortFieldName();
    try {/*from ww w.j av  a 2  s .  co  m*/
        Collections.sort(matches, Collections.reverseOrder(new Comparator<Map<String, String>>() {
            @Override
            public int compare(final Map<String, String> m1, final Map<String, String> m2) {
                return Integer.valueOf(m1.get(sortOn)).compareTo(Integer.valueOf(m2.get(sortOn)));
            }
        }));
    } catch (NumberFormatException e) {
        // if the String can't be converted to an integer we do String comparison
        Collections.sort(matches, Collections.reverseOrder(new Comparator<Map<String, String>>() {
            @Override
            public int compare(final Map<String, String> m1, final Map<String, String> m2) {
                return m1.get(sortOn).compareTo(m2.get(sortOn));
            }
        }));
    }
}

---

From source file:com.thesoftwareguild.capstoneblog.dao.BlogDaoDbImpl.java

@Override
public List<Post> getAllPendingPosts() {
    //  List<Post> posts = new ArrayList<>();
    List<Post> posts = jdbcTemplate.query(SQL_SELECT_ALL_PENDING_POSTS, new PostMapper());

    // Get associated categories
    for (Post p : posts) {
        setPostCategories(p);/* w  ww  .  java2 s . co m*/
        setPostTags(p);
        setPostComments(p);
    }

    Collections.sort(posts,
            Collections.reverseOrder((Post o1, Post o2) -> o1.getDateCreated().compareTo(o2.getDateCreated())));
    return posts;
}

---

From source file:at.ac.tuwien.qse.sepm.service.impl.TagServiceImpl.java

@Override
public List<Tag> getMostFrequentTags(List<Photo> photos) throws ServiceException {
    LOGGER.debug("Entering getMostFrequentTags with {}", photos);

    HashMap<Tag, Integer> counter = new HashMap<>();

    // count the frequency of each tag
    for (Photo photo : photos) {
        for (Tag tag : photo.getData().getTags()) {
            if (counter.containsKey(tag)) {
                counter.put(tag, counter.get(tag) + 1);
            } else {
                counter.put(tag, 1);//from   w ww. ja  v  a 2s.  co  m
            }
        }
    }

    if (counter.size() == 0) {
        throw new ServiceException("No Tags found");
    }

    // return the most frequent tags
    return counter.entrySet().stream().sorted(Collections.reverseOrder(Map.Entry.comparingByValue())).limit(5)
            .map(Map.Entry::getKey).collect(Collectors.toList());
}

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From source file:net.sourceforge.fenixedu.domain.candidacyProcess.mobility.MobilityIndividualApplication.java

public ApprovedLearningAgreementDocumentFile getMostRecentApprovedLearningAgreement() {
    if (!hasAnyActiveApprovedLearningAgreements()) {
        return null;
    }//from   ww w  . j a  v a2 s .c  om

    List<ApprovedLearningAgreementDocumentFile> approvedLearningAgreement = new ArrayList<ApprovedLearningAgreementDocumentFile>(
            getActiveApprovedLearningAgreements());

    Collections.sort(approvedLearningAgreement,
            Collections.reverseOrder(ApprovedLearningAgreementDocumentFile.SUBMISSION_DATE_COMPARATOR));

    return approvedLearningAgreement.iterator().next();
}

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From source file:org.openengsb.opencit.ui.web.ProjectDetails.java

@SuppressWarnings("serial")
private IModel<List<Report>> createReportsModel() {
    return new LoadableDetachableModel<List<Report>>() {
        @Override/*from  w  ww.  ja va  2s .  c o m*/
        protected List<Report> load() {
            String projectId = ContextHolder.get().getCurrentContextId();
            ReportDomain reportDomain;
            WiringService ws = osgiUtilsService.getService(WiringService.class);
            reportDomain = ws.getDomainEndpoint(ReportDomain.class, "report");

            List<Report> reports = new ArrayList<Report>(reportDomain.getAllReports(projectId));
            Comparator<Report> comparator = Collections.reverseOrder(new Comparator<Report>() {
                @Override
                public int compare(Report report1, Report report2) {
                    String name1 = report1.getName();
                    String name2 = report2.getName();
                    try {
                        SimpleDateFormat format = new SimpleDateFormat("dd.MM.yyyy HH:mm:ss:SSS");
                        Date date1 = format.parse(name1);
                        Date date2 = format.parse(name2);
                        return date1.compareTo(date2);
                    } catch (ParseException pe) {
                        return name1.compareTo(name2);
                    }
                }
            });
            Collections.sort(reports, comparator);
            return reports;
        }
    };
}

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