Example usage for java.util Comparator Comparator

Introduction

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

Prototype

Comparator

Source Link

Usage

From source file:eu.cloud4soa.frontend.commons.server.semanticdao.SoaManager.java

protected <E extends DisplayableKeyValueModelData, S extends Thing> List<E> map(List<S> rdfBeans,
        AbstractMapper<S, E> mapper) {
    List<E> entityModels = new ArrayList<E>();

    for (S rdfBean : rdfBeans)
        if (Strings.isNotEmpty(rdfBean.getUriId()))
            entityModels.add(mapper.from(rdfBean).toModel());

    Collections.sort(entityModels, new Comparator<E>() {
        @Override//from  ww  w  .j av  a2  s .c o m
        public int compare(E model1, E model2) {
            return Strings.defaultString(model1.getDisplayName())
                    .compareTo(Strings.defaultString(model2.getDisplayName()));
        }
    });

    return entityModels;
}

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From source file:net.chrissearle.flickrvote.web.stats.ChallengeVsEntriesChartAction.java

public String stats() throws Exception {
    this.challenges = new ArrayList<Challenge>();
    this.imageCounts = new ArrayList<ImageStatistic>();
    this.imageVoteCounts = new ArrayList<ImageStatistic>();

    for (ChallengeSummary challenge : challengeService.getChallengesByType(ChallengeType.CLOSED)) {
        challenges.add(new DisplayChallengeSummary(challenge));

        final ChallengeItem challengeItem = photographyService.getChallengeImages(challenge.getTag());

        imageCounts.add(new ImageStatistic(challenge.getTag(), challengeItem.getDescription(),
                (float) challengeItem.getImages().size()));

        Long voteCount = 0L;//from   ww  w .j av a  2 s.c o m

        for (ImageItem imageItem : challengeItem.getImages()) {
            voteCount += imageItem.getVoteCount();
        }

        imageVoteCounts
                .add(new ImageStatistic(challenge.getTag(), challengeItem.getDescription(), (float) voteCount));
    }

    Collections.sort(this.challenges, new Comparator<Challenge>() {
        public int compare(Challenge o1, Challenge o2) {
            return o2.getChallengeTag().compareTo(o1.getChallengeTag());
        }
    });

    Collections.sort(this.imageCounts, new Comparator<ImageStatistic>() {
        public int compare(ImageStatistic o1, ImageStatistic o2) {
            return o2.getTag().compareTo(o1.getTag());
        }
    });

    Collections.sort(this.imageVoteCounts, new Comparator<ImageStatistic>() {
        public int compare(ImageStatistic o1, ImageStatistic o2) {
            return o2.getTag().compareTo(o1.getTag());
        }
    });

    this.height = (long) (30 * challenges.size()) + 140;

    return SUCCESS;
}

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From source file:org.myjerry.evenstar.service.impl.ViewPostServiceImpl.java

@Override
public Map<String, Object> getPostsViewModel(Blog blog, List<BlogPost> posts, boolean fetchComments,
        Map<String, Object> model) {
    Long blogID = blog.getBlogID();

    if (posts.size() > 1) {
        // this collection is sorted chronologically
        // sort in other order
        Collections.sort(posts, new Comparator<BlogPost>() {

            @Override// w  ww  . ja  v  a 2 s .  c om
            public int compare(BlogPost o1, BlogPost o2) {
                if (o1 != null && o2 != null) {
                    return 0 - o1.getPostedDate().compareTo(o2.getPostedDate());
                } else if (o1 == null && o2 == null) {
                    return 0;
                } else if (o1 == null) {
                    return 1;
                }
                // o2 is null
                return -1;
            }

        });
    }

    String dateHeaderFormat = this.blogPreferenceService.getPreference(blogID,
            BlogPreferenceConstants.postDateHeaderFormat);
    String commentTimeStampFormat = this.blogPreferenceService.getPreference(blogID,
            BlogPreferenceConstants.commentTimeStampFormat);

    boolean quickEditing = StringUtils.getBoolean(
            this.blogPreferenceService.getPreference(blogID, BlogPreferenceConstants.quickEditing), true);
    boolean emailLinks = StringUtils.getBoolean(
            this.blogPreferenceService.getPreference(blogID, BlogPreferenceConstants.emailLinks), true);
    boolean commentsAllowed = StringUtils.getBoolean(
            this.blogPreferenceService.getPreference(blogID, BlogPreferenceConstants.showPostComments), true);

    EvenstarUser user = (EvenstarUser) model.get(EvenstarConstants.EVENSTAR_MODEL_ATTRIBUTE_NAME);
    boolean isUserBlogAdmin = false;
    if (user != null) {
        isUserBlogAdmin = this.blogUserService.isUserBlogAdmin(user.getUserID(), blogID);
    }

    Collection<BlogPostInfo> list = new ArrayList<BlogPostInfo>();
    if (posts != null) {
        for (BlogPost post : posts) {
            BlogPostInfo p = getBlogPostInfo(post, dateHeaderFormat, blog.getBlogID(), user,
                    blog.getRestrictedPostText());
            if (fetchComments) {
                if (p.isRestricted()) {
                    // get the comments
                    Collection<Comment> comments = this.commentService
                            .getPublishedCommentsForPost(post.getPostID(), blogID, 1000);
                    p.setComments(getCommentList(comments, blogID, user, commentTimeStampFormat));
                }
            }

            if (!(isUserBlogAdmin && quickEditing)) {
                p.setEditUrl(null);
            }

            if (p.isRestricted() || !emailLinks) {
                p.setEmailPostUrl(null);
            }

            if (p.isRestricted() || !commentsAllowed) {
                p.setAddCommentUrl(null);
            }

            list.add(p);
        }
    }

    BlogArchive archive = this.blogArchiveService.getBlogArchive(blogID);
    Collection<BlogLabel> labels = this.blogLabelService.getBlogLabels(blogID);

    model.put("blog", new BlogInfo(blog));
    model.put("title", blog.getTitle());
    model.put("description", blog.getDescription());
    model.put("posts", list);
    model.put("isBlogAdmin", GAEUserUtil.isCurrentUserHost());
    model.put("archive", archive);
    model.put("labels", labels);
    model.put("commentsAllowed", commentsAllowed);

    return model;
}

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From source file:com.linkedin.pinot.core.startree.StarTreeDataSorter.java

/**
 * Sort from to given start (inclusive) to end (exclusive) as per the provided sort order.
 * @param startRecordId inclusive/*w  w  w .  j a v  a 2s. co  m*/
 * @param endRecordId exclusive
 * @param sortOrder
 */
public void sort(int startRecordId, int endRecordId, final int[] sortOrder) {
    int length = endRecordId - startRecordId;
    final int startOffset = startRecordId * totalSizeInBytes;

    List<Integer> idList = new ArrayList<Integer>();
    for (int i = startRecordId; i < endRecordId; i++) {
        idList.add(i - startRecordId);
    }

    Comparator<Integer> comparator = new Comparator<Integer>() {
        byte[] buf1 = new byte[dimensionSizeInBytes];
        byte[] buf2 = new byte[dimensionSizeInBytes];

        @Override
        public int compare(Integer o1, Integer o2) {
            int pos1 = startOffset + (o1) * totalSizeInBytes;
            int pos2 = startOffset + (o2) * totalSizeInBytes;

            mappedByteBuffer.copyTo(pos1, buf1, 0, dimensionSizeInBytes);
            mappedByteBuffer.copyTo(pos2, buf2, 0, dimensionSizeInBytes);

            IntBuffer bb1 = ByteBuffer.wrap(buf1).asIntBuffer();
            IntBuffer bb2 = ByteBuffer.wrap(buf2).asIntBuffer();

            for (int dimIndex : sortOrder) {
                int v1 = bb1.get(dimIndex);
                int v2 = bb2.get(dimIndex);
                if (v1 != v2) {
                    return v1 - v2;
                }
            }
            return 0;
        }
    };

    Collections.sort(idList, comparator);
    int[] currentPositions = new int[length];
    int[] indexToRecordIdMapping = new int[length];

    byte[] buf1 = new byte[totalSizeInBytes];
    byte[] buf2 = new byte[totalSizeInBytes];

    for (int i = 0; i < length; i++) {
        currentPositions[i] = i;
        indexToRecordIdMapping[i] = i;
    }

    for (int i = 0; i < length; i++) {
        int thisRecordId = indexToRecordIdMapping[i];
        int thisRecordIdPos = currentPositions[thisRecordId];

        int thatRecordId = idList.get(i);
        int thatRecordIdPos = currentPositions[thatRecordId];

        // swap the buffers
        mappedByteBuffer.copyTo(startOffset + thisRecordIdPos * totalSizeInBytes, buf1, 0, totalSizeInBytes);
        mappedByteBuffer.copyTo(startOffset + thatRecordIdPos * totalSizeInBytes, buf2, 0, totalSizeInBytes);
        mappedByteBuffer.readFrom(buf2, 0, startOffset + thisRecordIdPos * totalSizeInBytes, totalSizeInBytes);
        mappedByteBuffer.readFrom(buf1, 0, startOffset + thatRecordIdPos * totalSizeInBytes, totalSizeInBytes);

        // update the positions
        indexToRecordIdMapping[i] = thatRecordId;
        indexToRecordIdMapping[thatRecordIdPos] = thisRecordId;

        currentPositions[thatRecordId] = i;
        currentPositions[thisRecordId] = thatRecordIdPos;
    }
}

---

From source file:com.moscona.dataSpace.Factor.java

public Factor(String name, Set<T> values) throws DataSpaceException {
    init(name);/*from  ww w.  ja  va  2  s .co  m*/
    if (values == null || values.size() == 0) {
        throw new DataSpaceException("The factor has no values!!");
    }
    ArrayList<T> list = new ArrayList<T>(values);
    T first = list.get(0);
    if (first instanceof Comparable) {
        Collections.sort(list, new Comparator<T>() {
            @Override
            @SuppressWarnings({ "unchecked" })
            public int compare(T o1, T o2) {
                return o1.compareTo(o2);
            }
        });
    }
    setValues(list);
    validate();
}

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From source file:com.xumpy.timesheets.services.TickedJobsDetailSrv.java

private static List<? extends TickedJobs> sortTickedJobs(List<? extends TickedJobs> tickedJobs) {
    Collections.sort(tickedJobs, new Comparator<TickedJobs>() {
        @Override/*from ww w.j a  va 2 s.com*/
        public int compare(TickedJobs o1, TickedJobs o2) {
            return o1.getTicked().compareTo(o2.getTicked());
        }
    });

    return tickedJobs;
}

---

From source file:ch.cyberduck.core.HistoryCollection.java

/**
 * Sort by timestamp of bookmark file./*from  w w w  .  ja  va 2 s.  c  om*/
 */
@Override
protected synchronized void sort() {
    Collections.sort(this, new Comparator<Host>() {
        @Override
        public int compare(Host o1, Host o2) {
            if (null == o1.getTimestamp() && null == o2.getTimestamp()) {
                return 0;
            }
            if (null == o1.getTimestamp()) {
                return 1;
            }
            if (null == o2.getTimestamp()) {
                return -1;
            }
            return -o1.getTimestamp().compareTo(o2.getTimestamp());
        }
    });
}

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From source file:com.sixrr.metrics.ui.charts.PieChartDialog.java

private PieDataset createDataset() {
    final List<Pair<String, Double>> namedValues = new ArrayList<Pair<String, Double>>();
    double total = 0.0;
    for (int j = 0; j < values.length; j++) {
        final Double value = values[j];
        final String measuredItem = measuredItems[j];
        if (value != null && value != 0.0) {
            namedValues.add(new Pair<String, Double>(measuredItem, value));
            total += value;/*ww  w .  j  a  va 2  s .com*/
        }
    }
    Collections.sort(namedValues, new Comparator<Pair<String, Double>>() {
        @Override
        public int compare(Pair<String, Double> pair1, Pair<String, Double> pair2) {
            final Double value1 = pair1.getSecond();
            final Double value2 = pair2.getSecond();
            return -value1.compareTo(value2);
        }
    });
    final DefaultPieDataset dataset = new DefaultPieDataset();

    double totalForOther = 0.0;
    for (final Pair<String, Double> namedValue : namedValues) {
        final double value = namedValue.getSecond();
        if (value > total * SMALLEST_PIE_PIECE) {
            dataset.setValue(namedValue.getFirst(), value);
        } else {
            totalForOther += value;
        }
    }
    if (totalForOther != 0.0) {
        dataset.setValue(MetricsReloadedBundle.message("other"), totalForOther);
    }
    return dataset;
}

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From source file:edu.uiowa.icts.bluebutton.json.view.StatsFinder.java

public Double getMin() {
    List<Double> dList = this.getDoubleList();
    Double min = Collections.min(dList, new Comparator<Double>() {
        public int compare(Double d, Double d2) {
            if (d > d2) {
                return 1;
            } else if (d < d2) {
                return -1;
            }// ww w  . j  a v  a  2  s .  c o m
            return 0;
        }
    });
    return min;
}

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From source file:com.clustercontrol.infra.factory.SelectInfraManagement.java

public List<InfraManagementInfo> getList() throws InvalidRole, HinemosUnknown {
    List<InfraManagementInfo> list = QueryUtil.getAllInfraManagementInfo();
    for (InfraManagementInfo info : list) {
        // ?/*from  w  ww .  j av  a 2  s  .co  m*/
        info.setNotifyRelationList(new NotifyControllerBean().getNotifyRelation(info.getNotifyGroupId()));

        // FIXME:
        Collections.sort(info.getModuleList(), new Comparator<InfraModuleInfo<?>>() {
            @Override
            public int compare(InfraModuleInfo<?> o1, InfraModuleInfo<?> o2) {
                return o1.getOrderNo().compareTo(o2.getOrderNo());
            }
        });
    }
    return list;
}

---

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