Example usage for java.util.concurrent ConcurrentLinkedQueue addAll

Introduction

In this page you can find the example usage for java.util.concurrent ConcurrentLinkedQueue addAll.

Prototype

public boolean addAll(Collection<? extends E> c) 

Source Link

Document

Appends all of the elements in the specified collection to the end of this queue, in the order that they are returned by the specified collection's iterator.

Usage

From source file:mcnutty.music.get.ProcessQueue.java

void save_queue() {
    try (PrintWriter file = new PrintWriter("queue.json")) {
        ConcurrentLinkedQueue<QueueItem> queue_dump = new ConcurrentLinkedQueue<>();
        QueueItem last_item = new QueueItem();
        for (QueueItem item : bucket_played)
            last_item = item;/*from   w  w w. j  ava 2 s. c o  m*/
        queue_dump.add(last_item);
        queue_dump.addAll(bucket_queue);
        file.println(json_array_list(queue_dump).toString());
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
}

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From source file:server.Folder.java

/**
 * Copy all versions of the objects found in a folder. This will create the complete object tree of
 * the objects, so if an object has ancestors or descendants in other folders, those will be copied, too.
 * @param folderContent the content of the folder which should be copied completely.
 * @param otc a ObjectTreeCopier which is configured with a validator and correct activeUser.
 * @param croakOnError if true, stop in case of an error and return a CopyResult which contains the events so far.
 * @return a copyResult containing a collection of all failed and successful attempts at copying the
 * folder's contents.//w ww  . ja va 2s  .  c  o  m
 */
CopyResult copyAllVersions(Collection<ObjectSystemData> folderContent, ObjectTreeCopier otc,
        Boolean croakOnError) {
    ObjectSystemDataDAO oDao = daoFactory.getObjectSystemDataDAO(HibernateSession.getLocalEntityManager());
    CopyResult copyResult = new CopyResult();

    ConcurrentLinkedQueue<ObjectSystemData> conQueue = new ConcurrentLinkedQueue<ObjectSystemData>();
    conQueue.addAll(folderContent);
    log.debug("starting to copy " + conQueue.size() + " objects");

    for (ObjectSystemData source : conQueue) {
        //            otc.resetCopyResult();
        try {
            // create a full copy of the whole object tree:
            otc.createFullCopy(source);
            copyResult.addCopyResult(otc.getCopyResult());
        } catch (Exception ex) {
            log.debug("objectTreeCopy failed for id " + source.getId(), ex);
            // copy failed - now we have to cleanup and remove the already created copies:
            ObjectSystemData brokenCopy = otc.getCopyCache().get(source);
            if (brokenCopy != null) {
                // we should nuke all other objects with the same root,
                // as they won't be amendable to a copy operation either.
                for (ObjectSystemData osd : conQueue) {
                    if (osd.getRoot().equals(brokenCopy.getRoot())) {
                        conQueue.remove(osd);
                    }
                }

                // recursively delete the broken object tree.
                oDao.delete(brokenCopy.getRoot(), true, true);
            }

            log.debug("cleanup complete.");
            copyResult.addFailure(source, new CinnamonException(ex));
            if (croakOnError) {
                return copyResult;
            }
        }
    }
    return copyResult;
}

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From source file:org.apache.jackrabbit.oak.plugins.blob.MarkSweepGarbageCollector.java

/**
 * Deletes a batch of blobs from blob store.
 * /*  w w w.java  2 s .  com*/
 * @param ids
 * @param exceptionQueue
 * @param maxModified
 */
private long sweepInternal(List<String> ids, ConcurrentLinkedQueue<String> exceptionQueue, long maxModified) {
    long deleted = 0;
    try {
        LOG.trace("Blob ids to be deleted {}", ids);
        deleted = blobStore.countDeleteChunks(ids, maxModified);
        if (deleted != ids.size()) {
            // Only log and do not add to exception queue since some blobs may not match the
            // lastMaxModifiedTime criteria.
            LOG.debug("Some [{}] blobs were not deleted from the batch : [{}]", ids.size() - deleted, ids);
        }
    } catch (Exception e) {
        LOG.warn("Error occurred while deleting blob with ids [{}]", ids, e);
        exceptionQueue.addAll(ids);
    }
    return deleted;
}

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From source file:com.chinamobile.bcbsp.comm.MessageQueuesForDisk.java

/**
 * Load bucket from disk.//from w w  w . j  av a  2s. c  o m
 * @param queuesBuckets
 * @param bucketIndex
 * @param queuePath
 * @throws IOException
 */
private void loadBucket(ArrayList<BucketMeta> queuesBuckets, int bucketIndex, String queuePath)
        throws IOException {
    LOG.info("[MessageQueuesForDisk] is loading the [" + queuePath + " Bucket-" + bucketIndex + "] <<< size = "
            + queuesBuckets.get(bucketIndex).count + ".");
    long start = System.currentTimeMillis();
    /** Clock */
    File messagesDataFileBucket;
    FileReader frMessagesData;
    BufferedReader brMessagesData;
    messagesDataFileBucket = new File(this.messagesDataFile + "/" + queuePath + "/" + "bucket-" + bucketIndex);
    if (!messagesDataFileBucket.exists()) {
        throw new IOException("Bucket file" + messagesDataFileBucket + " does not exit!");
    }
    // Open file readers.
    frMessagesData = new FileReader(messagesDataFileBucket);
    brMessagesData = new BufferedReader(frMessagesData);
    // Read the file header.
    @SuppressWarnings("unused")
    String bucketHeader = brMessagesData.readLine();
    ConcurrentHashMap<String, ConcurrentLinkedQueue<IMessage>> queueMap = queuesBuckets
            .get(bucketIndex).queueMap;
    if (queueMap == null) {
        queueMap = new ConcurrentHashMap<String, ConcurrentLinkedQueue<IMessage>>();
    }
    String buffer;
    while ((buffer = brMessagesData.readLine()) != null) {
        String[] queueBuffer = buffer.split(Constants.KV_SPLIT_FLAG);
        if (queueBuffer[0] == "") {
            LOG.warn("[MessageQueuesForDisk] readLine = " + buffer);
        }
        String key = queueBuffer[0];
        ConcurrentLinkedQueue<IMessage> queue = queueMap.get(key);
        if (queue == null) {
            queue = stringToQueue(queueBuffer[1]);
            this.sizeOfHashMapsInMem = this.sizeOfHashMapsInMem
                    + (sizeOfRef + sizeOfInteger + sizeOfEmptyMessageQueue);
        } else {
            queue.addAll(stringToQueue(queueBuffer[1]));
        }
        queueMap.put(key, queue);
    }
    queuesBuckets.get(bucketIndex).queueMap = queueMap;
    brMessagesData.close();
    frMessagesData.close();
    // Update the meta data of the bucket.
    BucketMeta meta = queuesBuckets.get(bucketIndex);
    // Update the size of messages data in memory.
    this.sizeOfMessagesDataInMem = this.sizeOfMessagesDataInMem + (meta.length - meta.lengthInMemory);
    this.countOfMessagesDataInMem = this.countOfMessagesDataInMem + (meta.count - meta.countInMemory);
    meta.onDiskFlag = false;
    meta.lengthInMemory = meta.length;
    meta.countInMemory = meta.count;
    queuesBuckets.set(bucketIndex, meta);
    if (!messagesDataFileBucket.delete()) {
        throw new IOException("Bucket file delete failed!");
    }
    this.readDiskTime = this.readDiskTime + (System.currentTimeMillis() - start);
    /** Clock */
}

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From source file:m.c.m.proxyma.context.ProxyFolderBean.java

/**
 * Add the a plugin to the specified list using the execution priority 
 * to define the position of the plugin into the list.
 * @param pluginName the plugin name to add to the list
 * @param list the list to update./*from ww w .ja  v  a 2 s . c om*/
 */
private void addPluginUsingExecutionPriority(String pluginName, String baseXPath,
        ConcurrentLinkedQueue<String> list) {
    String pluginPriorityXPath = baseXPath + "[@class='" + pluginName + "']/@executionPriority";
    int pluginPriority = 0;
    try {
        pluginPriority = Integer.parseInt(context.getSingleValueParameter(pluginPriorityXPath));
    } catch (Exception x) {
        log.warning("executionPiority not an integer in \"" + pluginPriorityXPath + "\"");
    }

    //put the new object in the correct position based upon its execution priority
    LinkedList<String> tmpList = new LinkedList(list);

    String currentPlugin = null;
    int currentPluginPriority = 0;
    boolean inserted = false;
    for (int i = 0; (i < tmpList.size() && !inserted); i++) {
        currentPlugin = tmpList.get(i);
        pluginPriorityXPath = baseXPath + "[@class='" + currentPlugin + "']/@executionPriority";
        try {
            currentPluginPriority = Integer.parseInt(context.getSingleValueParameter(pluginPriorityXPath));
        } catch (Exception x) {
            currentPluginPriority = 0;
        }

        if (pluginPriority < currentPluginPriority) {
            tmpList.add(i, pluginName);
            inserted = true;
        }
    }

    //If a place for the plugin was not found the plugin is addedd on the tail
    if (!inserted)
        tmpList.add(pluginName);

    //Update the thread-safe queue
    list.removeAll(tmpList);
    list.addAll(tmpList);
}

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From source file:org.wso2.developerstudio.eclipse.greg.manager.remote.views.RegistryBrowserView.java

private String searchRegistryNodeForResource(RegistryNode node, String caption)
        throws InvalidRegistryURLException, UnknownRegistryException {
    ConcurrentLinkedQueue<RegistryResourceNode> queue = new ConcurrentLinkedQueue<RegistryResourceNode>();
    queue.addAll(node.getRegistryContainer().getRegistryContent());
    while (queue.peek() != null) {
        RegistryResourceNode registryResourceNode = queue.poll();
        if (caption.equalsIgnoreCase(registryResourceNode.getCaption())) {
            return registryResourceNode.getRegistryResourcePath();
        } else {/*from  w ww. j a va2s .com*/
            queue.addAll(registryResourceNode.getResourceNodeList());
        }
    }

    //      for (RegistryResourceNode registryResourceNode : queue) {
    //         if(caption.equalsIgnoreCase(registryResourceNode.getCaption())){
    //              return registryResourceNode.getRegistryResourcePath();
    //           }else{
    //              queue.addAll(registryResourceNode.getResourceNodeList());
    //           }   
    //        }
    return null;
}

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From source file:org.wso2.developerstudio.eclipse.greg.manager.remote.views.RegistryBrowserView.java

private RegistryResourceNode searchRegistryNodeForResourceNode(RegistryNode node, String caption)
        throws InvalidRegistryURLException, UnknownRegistryException {
    ConcurrentLinkedQueue<RegistryResourceNode> queue = new ConcurrentLinkedQueue<RegistryResourceNode>();
    queue.addAll(node.getRegistryContainer().getRegistryContent());
    while (queue.peek() != null) {
        RegistryResourceNode registryResourceNode = queue.poll();
        if (caption.equalsIgnoreCase(registryResourceNode.getCaption())) {
            return registryResourceNode;
        } else {//ww w . j a v  a 2  s . c o m
            queue.addAll(registryResourceNode.getResourceNodeList());
        }
    }

    //      for (RegistryResourceNode registryResourceNode : queue) {
    //         if(caption.equalsIgnoreCase(registryResourceNode.getCaption())){
    //              return registryResourceNode.getRegistryResourcePath();
    //           }else{
    //              queue.addAll(registryResourceNode.getResourceNodeList());
    //           }   
    //        }
    return null;
}

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