本文整理汇总了Java中org.apache.cassandra.db.ReadCommand.setDigestQuery方法的典型用法代码示例。如果您正苦于以下问题：Java ReadCommand.setDigestQuery方法的具体用法？Java ReadCommand.setDigestQuery怎么用？Java ReadCommand.setDigestQuery使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.cassandra.db.ReadCommand的用法示例。
在下文中一共展示了ReadCommand.setDigestQuery方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: makeDigestRequests
import org.apache.cassandra.db.ReadCommand; //导入方法依赖的package包/类
protected void makeDigestRequests(Iterable<InetAddress> endpoints)
{
ReadCommand digestCommand = command.copy();
digestCommand.setDigestQuery(true);
MessageOut<?> message = digestCommand.createMessage();
for (InetAddress endpoint : endpoints)
{
if (isLocalRequest(endpoint))
{
logger.trace("reading digest locally");
StageManager.getStage(Stage.READ).execute(new LocalReadRunnable(digestCommand, handler));
}
else
{
logger.trace("reading digest from {}", endpoint);
MessagingService.instance().sendRR(message, endpoint, handler);
}
}
}
示例2: maybeTryAdditionalReplicas
import org.apache.cassandra.db.ReadCommand; //导入方法依赖的package包/类
public void maybeTryAdditionalReplicas()
{
// no latency information, or we're overloaded
if (cfs.sampleLatencyNanos > TimeUnit.MILLISECONDS.toNanos(command.getTimeout()))
return;
if (!handler.await(cfs.sampleLatencyNanos, TimeUnit.NANOSECONDS))
{
// Could be waiting on the data, or on enough digests.
ReadCommand retryCommand = command;
if (resolver.getData() != null)
{
retryCommand = command.copy();
retryCommand.setDigestQuery(true);
}
InetAddress extraReplica = Iterables.getLast(targetReplicas);
logger.trace("speculating read retry on {}", extraReplica);
MessagingService.instance().sendRR(retryCommand.createMessage(), extraReplica, handler);
speculated = true;
cfs.metric.speculativeRetries.inc();
}
}