This implementation provides expected average log(n) time cost for the contains, add, and remove … A scalable concurrent NavigableSet implementation based on a ConcurrentSkipListMap.The elements of the set are kept sorted according to their natural ordering, or by a Comparator provided at set creation time, depending on which constructor is used.. Implementations throw NullPointerException on attempts to add, put or offer a null.A null is used as a sentinel value to indicate failure of poll operations. Five implementations in java.util.concurrent support the extended BlockingQueue interface, that defines blocking versions of put and take: LinkedBlockingQueue , ArrayBlockingQueue , SynchronousQueue , PriorityBlockingQueue , and DelayQueue . The head of the queue is that element that has been on the queue the longest time. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. ... ConcurrentLinkedQueue< LoganModel > cacheLogQueue, String cachePath, String path, long saveTime, long maxLogFile, long minSDCard, String encryptKey16, String encryptIv16) A BlockingQueue may be capacity bounded. On the other hand take blocks the thread until an item is available. But being an "wait free" data structure, ConcurrentLinkedQueue will not block when empty, meaning that the consumer will need to deal with the take() returning null values by "busy waiting", for example, with the consumer thread eating up CPU. The ConcurrentLinkedQueue class supplies an efficient scalable thread-safe non-blocking FIFO queue. Code definitions. To maximize code sharing, Xamarin.Android apps (or Xamarin.Forms apps targeting Xamarin.Android) should use the System.Environment.GetFolderPath() method. ConcurrentLinkedQueue in Java implements Queue interface and it was added in Java 5 along with other concurrent utilities like CyclicBarrier, CountDownLatch, Semaphore, ConcurrentHashMap etc.. ConcurrentLinkedQueue in Java is an unbounded thread-safe queue which stores its elements as linked nodes.This queue orders elements FIFO (first-in-first-out). Java ConcurrentLinkedQueue Class. This class is a member of the Java Collections Framework. The thread can be put in the background, while other threads can be executed on the CPU. An optionally-bounded blocking queue based on linked nodes. ConcurrentLinkedQueue class and its iterator implements all the optional methods of the Queue and Iterator interfaces. So which one is "better" depends on the number of consumer threads, on the rate they consume/produce, etc. Class Overview. The tail of the queue is that element that has been on the queue the shortest time. Logan / Example / Logan-Android / logan / src / main / java / com / dianping / logan / LoganThread.java / Jump to. At any given time it may have a remainingCapacity beyond which no additional elements can be put without blocking. As you have an infinite number of operations to execute, scheduled by the while (true) loop, you would bring one CPU core to constantly 100% utilisation with the polling implementation.Which is not a good idea. ConcurrentLinkedQueue is an unbounded thread-safe queue which arranges the element in FIFO. For example, an iterator ... As with other concurrent collections, actions in a thread prior to placing an object into a ConcurrentLinkedQueue happen-before actions subsequent to the access or removal of that element from the ConcurrentLinkedQueue in another thread. A BlockingQueue does not accept null elements. This queue orders elements FIFO (first-in-first-out). New elements are added at the tail of this queue and the elements are added from the head of this queue.