Example usage for java.util Collections reverse

Introduction

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

Prototype

@SuppressWarnings({ "rawtypes", "unchecked" })
public static void reverse(List<?> list)

Source Link

Document

Reverses the order of the elements in the specified list.

This method runs in linear time.

Usage

From source file:com.mitre.storefront.breadcrumb.impl.ProductBreadcrumbBuilder.java

public List<Breadcrumb> getBreadcrumbs(final ProductData baseProductData) throws IllegalArgumentException {
    final List<Breadcrumb> breadcrumbs = new ArrayList<Breadcrumb>();

    final Breadcrumb last = getProductBreadcrumb(baseProductData);
    last.setLinkClass(LAST_LINK_CLASS);//from w w  w  .j a v a  2s  .  c om

    breadcrumbs.add(last);

    addCategoryBreadCrumbs(breadcrumbs, baseProductData.getCode());

    Collections.reverse(breadcrumbs);
    return breadcrumbs;
}

From source file:gov.nih.nci.cabig.caaers.domain.expeditedfields.UnsatisfiedProperty.java

/**
 * This method will return a qualified display name.
 * ie. displayname [parent]~displayname [current node]
 *
 * @return the display name/*from   w  w  w  . j  a  va2 s  . com*/
 */
public String getDisplayName() {
    ArrayList<String> displayNameList = new ArrayList<String>();

    TreeNode node = treeNode;
    while (node != null && node instanceof PropertyNode && StringUtils.isNotEmpty(node.getDisplayName())) {
        displayNameList.add(node.getDisplayName());
        node = node.getParent();
    }
    Collections.reverse(displayNameList);
    return StringUtils.join(displayNameList, "~");

}

From source file:com.github.springtestdbunit.TestExecutionListenerChain.java

public TestExecutionListenerChain() {
    this.chain = createChain();
    this.reverseChain = new ArrayList<TestExecutionListener>(this.chain);
    Collections.reverse(this.reverseChain);
}

From source file:br.usp.poli.lta.cereda.aa.utils.SetOperations.java

/**
 * Calcula o produto cartesiano de um vetor de conjuntos.
 * @param sets Vetor de conjuntos.//from w  w  w . j a  v a2  s  .  c om
 * @return Produto cartesiano do vetor de conjuntos.
 */
public static Set<List<Object>> cartesianProduct(Set<?>... sets) {

    // deve haver mais do que um conjunto
    Validate.isTrue(sets.length > 1,
            "No  possvel calcular o produto cartesiano " + "de apenas um conjunto.");

    // nenhum conjunto pode ser vazio
    for (Set<?> set : sets) {
        Validate.isTrue(!set.isEmpty(),
                "No  possvel calcular o produto cartesiano " + "quando um dos conjuntos  vazio.");
    }

    // calcula o produto cartesiano
    Set<List<Object>> elements = fetchElements(0, sets);

    // o retorno da funo gera listas com elementos em ordem
    // reversa, portanto,  necessrio inverter os elementos das
    // listas obtidas
    Set<List<Object>> result = new HashSet<>();
    for (List<Object> list : elements) {
        Collections.reverse(list);
        result.add(list);
    }

    return result;
}

From source file:net.javacrumbs.codecamp.common.CsvFileLogger.java

@Override
public List<Message> getMessages() {
    try (CSVParser parser = CSVFormat.RFC4180.parse(new FileReader(file))) {
        List<Message> result = parser.getRecords().stream().map(CsvFileLogger::parseRecord).collect(toList());
        Collections.reverse(result);
        return result;
    } catch (FileNotFoundException e) {
        return emptyList();
    } catch (IOException e) {
        throw new IllegalStateException(e);
    }//from w  ww .j  a va2  s  .c  o  m
}

From source file:com.eatnumber1.util.io.FileUtils.java

@NotNull
private static List<File> getFileElements(@NotNull File f) {
    List<File> cachedDirs = fileElementCache.get(f);
    if (cachedDirs != null)
        return cachedDirs;
    List<File> dirs = new LinkedList<File>();
    File dir = f.getParentFile();
    while (dir != null) {
        dirs.add(dir);/*from   w w w . j  ava2  s. c o m*/
        dir = dir.getParentFile();
    }
    Collections.reverse(dirs);
    dirs = Collections.unmodifiableList(dirs);
    fileElementCache.put(f, dirs);
    return dirs;
}

From source file:com.ms.commons.test.math.expression.util.MathExpressionParseUtil.java

private static Stack<String> adjustExpressionStack(Stack<String> expressionStack) {
    if (expressionStack.size() <= 2) {
        return expressionStack;
    }//from  w  ww .j  av  a 2  s  .  c om
    int lastOpPr = Integer.MAX_VALUE;
    int lowerPrOp = -1;
    for (int i = (expressionStack.size() - 1); i >= 0; i--) {
        String expr = expressionStack.get(i);
        if ((expr.length() == 1) && hasSeparators(expr)) {
            int opPr = ("*".equals(expr) || "/".equals(expr)) ? 2 : 1;
            if (opPr < lastOpPr) {
                lastOpPr = opPr;
                lowerPrOp = i;
            }
        }
    }
    if (lowerPrOp != -1) {
        Stack<String> tempStack = new Stack<String>();
        int popCount = expressionStack.size() - lowerPrOp - 1;
        for (int i = 0; i < popCount; i++) {
            tempStack.push(expressionStack.pop());
        }
        Collections.reverse(tempStack);
        expressionStack.push(StringUtils.join(tempStack, ""));
    }

    return expressionStack;
}

From source file:net.javacrumbs.codecamp.boot.common.CsvFileLogger.java

@Override
@Cacheable(value = "messages", key = "'messages'")
public List<Message> getMessages() {
    try (CSVParser parser = CSVFormat.RFC4180.parse(new FileReader(file))) {
        List<Message> result = parser.getRecords().stream().map(CsvFileLogger::parseRecord).collect(toList());
        Collections.reverse(result);
        return result;
    } catch (FileNotFoundException e) {
        return emptyList();
    } catch (IOException e) {
        throw new IllegalStateException(e);
    }//from   ww  w  . ja v a 2s .c o  m
}

From source file:whitelabel.cloud.webapp.impl.service.LogAndJobService.java

public LogAndJob load() {

    LogAndJob logAndJob = new LogAndJob();

    AppVirtualDatacenter vdc = loadDatacenter();

    List<AppJob> jobs = null;
    List<AppLog> logs = null;

    WsEndUserClient wsClient = UserUtil.getWsEndUserClient();

    Calendar cal = Calendar.getInstance();
    cal.add(Calendar.DAY_OF_YEAR, -7);

    List<AppLog> tmp = wsClient.getLogs(null, cal.getTime(), null);
    if (tmp != null) {
        Collections.reverse(tmp);
        logs = tmp;//  ww  w  .  jav  a  2  s. c  o m
    }

    List<AppJob> tmp2 = wsClient.getJobs();
    if (tmp2 != null) {
        jobs = tmp2;
    }

    if (jobs == null) {
        jobs = new ArrayList<AppJob>();
    }
    if (logs == null) {
        logs = new ArrayList<AppLog>();
    }

    logAndJob.setLogs(logs);
    logAndJob.setJobs(jobs);
    return logAndJob;
}

From source file:fr.jetoile.hadoopunit.HadoopBootstrap.java

HadoopBootstrap() {
    commands.clear();//from   ww  w  .  j a  v  a  2  s  . c  om
    commandLoader.reload();
    Iterator<Bootstrap> commandsIterator = commandLoader.iterator();

    while (commandsIterator.hasNext()) {
        Bootstrap command = commandsIterator.next();
        commands.put(command.getName(), command);
    }

    Arrays.asList(Component.values()).stream().forEach(c -> {
        if (commands.containsKey(c.name())) {
            componentsToStart.add(commands.get(c.name()));
        }
    });

    componentsToStop = Lists.newArrayList(this.componentsToStart);
    Collections.reverse(componentsToStop);

    Runtime.getRuntime().addShutdownHook(new Thread() {
        public void run() {
            LOGGER.info("All services are going to be stopped");
            stopAll();
        }
    });
}