Example usage for java.util.concurrent ConcurrentLinkedQueue stream

Introduction

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

Prototype

default Stream<E> stream() 

Source Link

Document

Returns a sequential Stream with this collection as its source.

Usage

From source file:org.apache.hadoop.hbase.client.AsyncBatchRpcRetryingCaller.java

private void groupAndSend(Stream<Action> actions, int tries) {
    long locateTimeoutNs;
    if (operationTimeoutNs > 0) {
        locateTimeoutNs = remainingTimeNs();
        if (locateTimeoutNs <= 0) {
            failAll(actions, tries);// w  ww  .ja  v  a2 s.  c o  m
            return;
        }
    } else {
        locateTimeoutNs = -1L;
    }
    ConcurrentMap<ServerName, ServerRequest> actionsByServer = new ConcurrentHashMap<>();
    ConcurrentLinkedQueue<Action> locateFailed = new ConcurrentLinkedQueue<>();
    CompletableFuture.allOf(
            actions.map(action -> conn.getLocator().getRegionLocation(tableName, action.getAction().getRow(),
                    RegionLocateType.CURRENT, locateTimeoutNs).whenComplete((loc, error) -> {
                        if (error != null) {
                            error = translateException(error);
                            if (error instanceof DoNotRetryIOException) {
                                failOne(action, tries, error, EnvironmentEdgeManager.currentTime(), "");
                                return;
                            }
                            addError(action, error, null);
                            locateFailed.add(action);
                        } else {
                            computeIfAbsent(actionsByServer, loc.getServerName(), ServerRequest::new)
                                    .addAction(loc, action);
                        }
                    })).toArray(CompletableFuture[]::new))
            .whenComplete((v, r) -> {
                if (!actionsByServer.isEmpty()) {
                    send(actionsByServer, tries);
                }
                if (!locateFailed.isEmpty()) {
                    tryResubmit(locateFailed.stream(), tries);
                }
            });
}

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