Java Code Examples for java.util.concurrent.BlockingQueue#contains()

The following examples show how to use java.util.concurrent.BlockingQueue#contains() . These examples are extracted from open source projects. 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 Project: arcusplatform   File: SimpleContext.java    License: Apache License 2.0 6 votes vote down vote up
private static ScheduledEventHandle wakeUpAt(long timestamp, final BlockingQueue<ScheduledEvent> events) {
   final ScheduledEvent event = new ScheduledEvent(timestamp);
   if(!events.offer(event)) {
      throw new IllegalStateException("Event queue at capacity");
   }
   return new ScheduledEventHandle() {
      
      @Override
      public boolean isPending() {
         return events.contains(event);
      }
      
      @Override
      public boolean cancel() {
         return events.remove(event);
      }
      
      @Override
      public boolean isReferencedEvent(RuleEvent other) {
         return other == event;
      }
   };
   
}
 
Example 2
Source Project: nuls   File: AccountResource.java    License: MIT License 6 votes vote down vote up
@POST
@Path("/lock/{address}")
@Produces(MediaType.APPLICATION_JSON)
@ApiOperation(value = "[锁账户] 清除缓存的锁定账户", notes = "Clear the cache unlock account.")
public RpcClientResult lock(@ApiParam(name = "address", value = "账户地址", required = true) @PathParam("address") String address) {
    Account account = accountService.getAccount(address).getData();
    if (null == account) {
        return Result.getFailed(AccountErrorCode.ACCOUNT_NOT_EXIST).toRpcClientResult();
    }
    accountCacheService.removeAccount(account.getAddress());
    BlockingQueue<Runnable> queue = scheduler.getQueue();
    String addr = account.getAddress().toString();
    Runnable scheduledFuture = (Runnable) accountUnlockSchedulerMap.get(addr);
    if (queue.contains(scheduledFuture)) {
        scheduler.remove(scheduledFuture);
        accountUnlockSchedulerMap.remove(addr);
    }
    Map<String, Boolean> map = new HashMap<>();
    map.put("value", true);
    return Result.getSuccess().setData(map).toRpcClientResult();
}
 
Example 3
Source Project: cloudbreak   File: SparkServerPool.java    License: Apache License 2.0 6 votes vote down vote up
private void putBack(SparkServer sparkServer, BlockingQueue<SparkServer> servers) {
    if (!servers.contains(sparkServer)) {
        LOGGER.info("Spark server put back. Pool size: {}", servers.size());
        LOGGER.info("PUT state: {}", sparkServer.getEndpoint());
        logServers();
        long start = System.currentTimeMillis();
        sparkServer.stop();
        sparkServer.awaitStop();
        LOGGER.info("spark server has been cleared in {}ms.", System.currentTimeMillis() - start);
        try {
            servers.add(sparkServer);
        } catch (Exception e) {
            LOGGER.error("Can't add spark server", e);
            throw new TestFailException("Can't add spark server");
        }
    }
}
 
Example 4
private void fetchListing(final ProcessContext context, final ProcessSession session, final FileTransfer transfer) throws IOException {
    BlockingQueue<FileInfo> queue = fileQueueRef.get();
    if (queue == null) {
        final boolean useNaturalOrdering = context.getProperty(FileTransfer.USE_NATURAL_ORDERING).asBoolean();
        queue = useNaturalOrdering ? new PriorityBlockingQueue<FileInfo>(25000) : new LinkedBlockingQueue<FileInfo>(25000);
        fileQueueRef.set(queue);
    }

    final StopWatch stopWatch = new StopWatch(true);
    final List<FileInfo> listing = transfer.getListing();
    final long millis = stopWatch.getElapsed(TimeUnit.MILLISECONDS);

    int newItems = 0;
    mutuallyExclusiveTransferLock.lock();
    try {
        for (final FileInfo file : listing) {
            if (!queue.contains(file) && !processing.contains(file)) {
                if (!queue.offer(file)) {
                    break;
                }
                newItems++;
            }
        }
    } finally {
        mutuallyExclusiveTransferLock.unlock();
    }

    getLogger().info("Obtained file listing in {} milliseconds; listing had {} items, {} of which were new",
            new Object[]{millis, listing.size(), newItems});
}
 
Example 5
Source Project: nifi   File: GetFileTransfer.java    License: Apache License 2.0 5 votes vote down vote up
private void fetchListing(final ProcessContext context, final ProcessSession session, final FileTransfer transfer) throws IOException {
    BlockingQueue<FileInfo> queue = fileQueueRef.get();
    if (queue == null) {
        final boolean useNaturalOrdering = context.getProperty(FileTransfer.USE_NATURAL_ORDERING).asBoolean();
        queue = useNaturalOrdering ? new PriorityBlockingQueue<FileInfo>(25000) : new LinkedBlockingQueue<FileInfo>(25000);
        fileQueueRef.set(queue);
    }

    final StopWatch stopWatch = new StopWatch(true);
    final List<FileInfo> listing = transfer.getListing();
    final long millis = stopWatch.getElapsed(TimeUnit.MILLISECONDS);

    int newItems = 0;
    mutuallyExclusiveTransferLock.lock();
    try {
        for (final FileInfo file : listing) {
            if (!queue.contains(file) && !processing.contains(file)) {
                if (!queue.offer(file)) {
                    break;
                }
                newItems++;
            }
        }
    } finally {
        mutuallyExclusiveTransferLock.unlock();
    }

    getLogger().info("Obtained file listing in {} milliseconds; listing had {} items, {} of which were new",
            new Object[]{millis, listing.size(), newItems});
}
 
Example 6
Source Project: nuls   File: AccountResource.java    License: MIT License 4 votes vote down vote up
@POST
@Path("/unlock/{address}")
@Produces(MediaType.APPLICATION_JSON)
@ApiOperation(value = "[解锁] 解锁账户")
public RpcClientResult unlock(@ApiParam(name = "address", value = "账户地址", required = true)
                              @PathParam("address") String address,
                              @ApiParam(name = "form", value = "解锁表单数据", required = true)
                                      AccountUnlockForm form) {
    Account account = accountService.getAccount(address).getData();
    if (null == account) {
        return Result.getFailed(AccountErrorCode.ACCOUNT_NOT_EXIST).toRpcClientResult();
    }
    String addr = account.getAddress().toString();
    //如果存在定时加锁任务, 先删除之前的任务
    if (accountUnlockSchedulerMap.containsKey(addr)) {
        BlockingQueue<Runnable> queue = scheduler.getQueue();
        Runnable sf = (Runnable) accountUnlockSchedulerMap.get(addr);
        if (queue.contains(sf)) {
            scheduler.remove(sf);
            accountUnlockSchedulerMap.remove(addr);
        }
    }
    String password = form.getPassword();
    Integer unlockTime = form.getUnlockTime();
    try {
        account.unlock(password);
        accountCacheService.putAccount(account);
        if (null == unlockTime || unlockTime > AccountConstant.ACCOUNT_MAX_UNLOCK_TIME) {
            unlockTime = AccountConstant.ACCOUNT_MAX_UNLOCK_TIME;
        }
        if (unlockTime < 0) {
            unlockTime = 0;
        }
        // 一定时间后自动锁定
        ScheduledFuture scheduledFuture = scheduler.schedule(() -> {
            accountCacheService.removeAccount(account.getAddress());
        }, unlockTime, TimeUnit.SECONDS);
        accountUnlockSchedulerMap.put(addr, scheduledFuture);
    } catch (NulsException e) {
        return Result.getFailed(AccountErrorCode.PASSWORD_IS_WRONG).toRpcClientResult();
    }
    Map<String, Boolean> map = new HashMap<>();
    map.put("value", true);
    return Result.getSuccess().setData(map).toRpcClientResult();
}