org.apache.curator.framework.recipes.shared.SharedCountReader Java Examples

The following examples show how to use org.apache.curator.framework.recipes.shared.SharedCountReader. 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. You may check out the related API usage on the sidebar.
Example #1
Source File: SharedCacheCoordinator.java    From datawave with Apache License 2.0 6 votes vote down vote up 
private void reregisterCounter(String counterName, SharedCountListener listener, int seedValue) throws Exception {
    ArgumentChecker.notNull(counterName, listener);
    
    SharedCount count = new SharedCount(curatorClient, ZKPaths.makePath("/counters", counterName), seedValue);
    count.start();
    sharedCounters.put(counterName, count);
    sharedCountListeners.put(counterName, listener);
    localCounters.put(counterName, count.getCount());
    
    count.addListener(new SharedCountListener() {
        @Override
        public void countHasChanged(SharedCountReader sharedCountReader, int i) throws Exception {}
        
        @Override
        public void stateChanged(CuratorFramework curatorFramework, ConnectionState connectionState) {
            if (connectionState == ConnectionState.RECONNECTED) {
                try {
                    reregisterCounter(counterName, sharedCountListeners.get(counterName), localCounters.get(counterName));
                } catch (Exception e) {
                    System.err.println("Unable to re-register counter " + counterName + ": " + e.getMessage());
                }
            }
        }
    });
    count.addListener(listener);
}
Example #2
Source File: SharedCounterExample.java    From ZKRecipesByExample with Apache License 2.0 4 votes vote down vote up 
@Override
public void countHasChanged(SharedCountReader sharedCount, int newCount) throws Exception {
	System.out.println("Counter's value is changed to " + newCount);		
}
Example #3
Source File: InterProcessSemaphore.java    From xian with Apache License 2.0 2 votes vote down vote up 
/**
 * @param client the client
 * @param path path for the semaphore
 * @param count the shared count to use for the max leases
 */
public InterProcessSemaphore(CuratorFramework client, String path, SharedCountReader count)
{
    this(client, path, 0, count);
}
Example #4
Source File: InterProcessSemaphoreV2.java    From xian with Apache License 2.0 2 votes vote down vote up 
/**
 * @param client the client
 * @param path   path for the semaphore
 * @param count  the shared count to use for the max leases
 */
public InterProcessSemaphoreV2(CuratorFramework client, String path, SharedCountReader count)
{
    this(client, path, 0, count);
}
Example #5
Source File: InterProcessSemaphore.java    From curator with Apache License 2.0 2 votes vote down vote up 
/**
 * @param client the client
 * @param path path for the semaphore
 * @param count the shared count to use for the max leases
 */
public InterProcessSemaphore(CuratorFramework client, String path, SharedCountReader count)
{
    this(client, path, 0, count);
}
Example #6
Source File: InterProcessSemaphoreV2.java    From curator with Apache License 2.0 2 votes vote down vote up 
/**
 * @param client the client
 * @param path   path for the semaphore
 * @param count  the shared count to use for the max leases
 */
public InterProcessSemaphoreV2(CuratorFramework client, String path, SharedCountReader count)
{
    this(client, path, 0, count);
}