Example usage for java.util LinkedList clear

Introduction

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

Prototype

public void clear() 

Source Link

Document

Removes all of the elements from this list.

Usage

From source file:Main.java

public static void main(String[] args) {
    LinkedList<String> lList = new LinkedList<String>();

    lList.add("1");
    lList.add("2");
    lList.add("3");
    lList.add("4");
    lList.add("5");

    System.out.println("LinkedList contains : " + lList);
    lList.clear();
    System.out.println("LinkedList now contains : " + lList);
}

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From source file:Main.java

public static void main(String[] args) {

    // create a LinkedList
    LinkedList<String> list = new LinkedList<String>();

    // add some elements
    list.add("Hello");
    list.add("from java2s.com");
    list.add("10");

    // print the list
    System.out.println("LinkedList:" + list);

    // clear the list
    list.clear();

    // print the list
    System.out.println("LinkedList:" + list);
}

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From source file:io.hops.common.INodeUtil.java

public static boolean resolvePathWithNoTransaction(String path, boolean resolveLink,
        LinkedList<INode> preTxResolvedINodes)
        throws UnresolvedPathException, StorageException, TransactionContextException {
    preTxResolvedINodes.clear();

    byte[][] components = INode.getPathComponents(path);
    INode curNode = getRoot();//w w  w.j  a va2 s  .c o m
    preTxResolvedINodes.add(curNode);

    if (components.length == 1) {
        return false;
    }

    INodeResolver resolver = new INodeResolver(components, curNode, resolveLink, false);
    while (resolver.hasNext()) {
        curNode = resolver.next();
        if (curNode != null) {
            preTxResolvedINodes.add(curNode);
        }
    }
    return preTxResolvedINodes.size() == components.length;
}

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From source file:org.jsweet.plugin.builder.JSweetBuilder.java

private static void cleanFiles(BuildingContext context) throws CoreException {
    try {/*from  ww w. ja v a 2 s  . c o m*/
        context.project.deleteMarkers(JSWEET_PROBLEM_MARKER_TYPE, true, IResource.DEPTH_INFINITE);
        File tsOutDir = new File(context.project.getLocation().toFile(),
                Preferences.getTsOutputFolder(context.project, context.profile));
        LinkedList<File> files = new LinkedList<>();
        if (tsOutDir.exists()) {
            Util.addFiles(".ts", tsOutDir, files);
            for (File f : files) {
                FileUtils.deleteQuietly(f);
            }
            if (!hasFile(tsOutDir)) {
                FileUtils.deleteQuietly(tsOutDir);
            }
        }
        files.clear();
        File jsOutDir = new File(context.project.getLocation().toFile(),
                Preferences.getJsOutputFolder(context.project, context.profile));
        if (jsOutDir.exists()) {
            Util.addFiles(".js", jsOutDir, files);
            Util.addFiles(".js.map", jsOutDir, files);
            for (File f : files) {
                FileUtils.deleteQuietly(f);
            }
            if (!hasFile(jsOutDir)) {
                FileUtils.deleteQuietly(jsOutDir);
            }
        }
        context.project.refreshLocal(IResource.DEPTH_INFINITE, null);
    } catch (NoClassDefFoundError e) {
        e.printStackTrace();
    }
}

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From source file:org.cloudifysource.usm.USMUtils.java

/*********
 * Returns the list of parent processes, starting by the child pid and ending with the current pid.
 *
 * @param childPid// w w w.  j  a v  a2  s .com
 *            the list starting point.
 * @param myPid
 *            the curennt process pid.
 * @return the pid list.
 * @throws USMException
 *             in case of an error.
 */
public static List<Long> getProcessParentChain(final long childPid, final long myPid) throws USMException {

    final LinkedList<Long> list = new LinkedList<Long>();
    if (childPid == 0) {
        logger.warning("The child PID is 0 - this usually means that this USM instance had a problem "
                + "during startup. Please check the logs for more details.");
        return list;
    }

    long currentPid = childPid;

    while (currentPid != myPid) {
        list.add(currentPid);
        final long ppid = USMUtils.getParentPid(currentPid);

        if (ppid == 0) {
            logger.severe("Attempt to create a process chain from child process " + childPid + " this process("
                    + myPid + "). Process " + childPid + " is not a descendant of this process. Only process "
                    + childPid + " will be included in the chain");
            list.clear();
            list.add(childPid);
            return list;
        }
        currentPid = ppid;
    }

    return list;
}

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From source file:com.newlandframework.avatarmq.core.MessageCache.java

private void commitMessage(ConcurrentLinkedQueue<T> messages) {

    LinkedList<T> list = new LinkedList<T>();

    list.addAll(messages);//from  www.  j a  va  2  s .c  o  m
    cache.clear();

    if (list != null && list.size() > 0) {
        parallelDispatch(list);
        list.clear();
    }
}

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From source file:com.commander4j.sys.JHostList.java

public LinkedList<JHost> getHosts() {
    final LinkedList<JHost> temphostlist = new LinkedList<JHost>();
    temphostlist.clear();

    int s = hosts.size();

    if (s > 0) {
        for (int x = 1; x <= s; x++) {
            temphostlist.addLast(hosts.get(String.valueOf(x)));
        }/*from   w w w  . ja va2s.c  o m*/
    }

    return temphostlist;
}

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From source file:com.icantrap.collections.dawg.DawgBuilder.java

/**
 * Builds the dawg based on the words added.
 *
 * @return the new Dawg instance/*from   w w  w  . ja va  2  s  .  c  o  m*/
 */
public Dawg build() {
    compress();

    for (Node node : nodeList)
        node.index = -1;

    LinkedList<Node> stack = new LinkedList<Node>();

    nodeList.clear();
    stack.clear();
    stack.addLast(root);

    int index = 0;

    while (!stack.isEmpty()) {
        Node ptr = stack.removeFirst();
        if (-1 == ptr.index)
            ptr.index = index++;
        nodeList.add(ptr);

        for (Node nextChild : ptr.nextChildren)
            stack.addLast(nextChild);
        if (null != ptr.child)
            stack.addLast(ptr.child);
    }

    int[] ints = new int[index];

    for (Node node : nodeList)
        ints[node.index] = node.toInteger();

    return new Dawg(ints);
}

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From source file:org.rhq.core.pc.operation.OperationThreadPoolGateway.java

/**
 * Will drain the given queue and return its contents. No synchronization is performed on the queue object. After
 * this returns, the given queue will be empty.
 *
 * @param  queue the queue to drain of all contents (will never be <code>null</code> but may be empty)
 *
 * @return the invocations that were drained from the queue
 *///ww  w  .j ava  2s  .  c  om
private List<OperationInvocation> drainQueue(Map<Integer, LinkedList<OperationInvocation>> queue) {
    List<OperationInvocation> contents = new ArrayList<OperationInvocation>();

    for (LinkedList<OperationInvocation> resourceOperations : queue.values()) {
        contents.addAll(resourceOperations);
        resourceOperations.clear();
    }

    queue.clear();

    return contents;
}

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From source file:automenta.knowtention.channel.LineFileChannel.java

@Override
public void run() {

    FileInputStream fileInputStream = null;
    FileChannel channel = null;/*from   w  w  w  .j a v a2s. c om*/
    ByteBuffer buffer = null;
    LinkedList<String> lines = new LinkedList();
    StringBuilder builder = new StringBuilder();
    long lastSize = -1, lastLastModified = -1;

    while (running) {
        try {
            Thread.sleep(delayPeriodMS);
        } catch (InterruptedException ex) {
        }

        lines.clear();
        try {
            fileInputStream = new FileInputStream(file);

            channel = fileInputStream.getChannel();

            long lastModified = file.lastModified();
            long csize = channel.size();
            if ((lastModified == lastLastModified) && (csize == lastSize)) { //also check file update time?
                fileInputStream.close();
                continue;
            }

            int currentPos = (int) csize;

            buffer = channel.map(FileChannel.MapMode.READ_ONLY, 0, csize);
            buffer.position(currentPos);
            lastSize = csize;
            lastLastModified = lastModified;

            int count = 0;

            for (long i = csize - 1; i >= 0; i--) {

                char c = (char) buffer.get((int) i);

                if (c == '\n') {
                    count++;
                    builder.reverse();
                    lines.addFirst(builder.toString());
                    if (count == numLines) {
                        break;
                    }
                    builder.setLength(0);
                } else
                    builder.append(c);
            }

            update(lines);

            lines.clear();
            buffer.clear();
            channel.close();
            fileInputStream.close();
            fileInputStream = null;

        } catch (Exception ex) {
            Logger.getLogger(LineFileChannel.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    try {
        channel.close();
    } catch (IOException ex) {
        Logger.getLogger(LineFileChannel.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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