code: Map<Integer,DealCountUpdater> dealCountMap=new HashMap<Integer,DealCountUpdater>(); public void update(){
Future.get(timeout) does not reliably throw the TimeoutException after the given timeout. Is this normal behavior or can I do something to make this more reliable? This test fails on my machine. Howev
We have a Scala server that is getting a node tree using Protocol Buffers over a socket and we need to attach additional data to each node.
java.util.concurrent API provides a class called as Lock, which would basically serialize the control in order to access the critical resource. It gives method such as park() and unpark().
What happens when a thread cannot acquire a Semaphore (due to lack of permit). Will it be moved to the wait state?
I am writing an application which will return a HashMap to user. User will get refer开发者_StackOverflowence to this MAP.
I\'m scheduling a task using a Sched开发者_运维技巧uledThreadPoolExecutor object.I use the following method:
I have a multithreaded app writing and reading a ConcurrentLinkedQueue, which is conceptually used to back entries in a list/table.I originally used a ConcurrentHashMap for this, which worked well.A n
Can the following piece of code be rewritten w/o using Collections.synchronizedMap() yet maintaining correctness at concurrency?
How do the Boost Thread libraries compare against the java.util.concurrent libraries? Performance is critical and so I would prefer to stay with C++ (although Java is a lot faster these days). Given