本文整理汇总了Java中org.apache.cassandra.db.commitlog.ReplayPosition.getReplayPosition方法的典型用法代码示例。如果您正苦于以下问题：Java ReplayPosition.getReplayPosition方法的具体用法？Java ReplayPosition.getReplayPosition怎么用？Java ReplayPosition.getReplayPosition使用的例子？那么恭喜您, 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.commitlog.ReplayPosition的用法示例。
在下文中一共展示了ReplayPosition.getReplayPosition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: createCompactionWriter
import org.apache.cassandra.db.commitlog.ReplayPosition; //导入方法依赖的package包/类
public SSTableWriter createCompactionWriter(long estimatedRows, File location, Collection<SSTableReader> sstables)
{
ReplayPosition rp = ReplayPosition.getReplayPosition(sstables);
SSTableMetadata.Collector sstableMetadataCollector = SSTableMetadata.createCollector().replayPosition(rp);
// Get the max timestamp of the precompacted sstables
// and adds generation of live ancestors
for (SSTableReader sstable : sstables)
{
sstableMetadataCollector.addAncestor(sstable.descriptor.generation);
for (Integer i : sstable.getAncestors())
{
if (new File(sstable.descriptor.withGeneration(i).filenameFor(Component.DATA)).exists())
sstableMetadataCollector.addAncestor(i);
}
}
return new SSTableWriter(getTempSSTablePath(location), estimatedRows, metadata, partitioner, sstableMetadataCollector);
}
示例2: discardSSTables
import org.apache.cassandra.db.commitlog.ReplayPosition; //导入方法依赖的package包/类
/**
* Discard all SSTables that were created before given timestamp. Caller is responsible to obtain compactionLock.
*
* @param truncatedAt The timestamp of the truncation
* (all SSTables before that timestamp are going be marked as compacted)
*
* @return the most recent replay position of the truncated data
*/
public ReplayPosition discardSSTables(long truncatedAt)
{
List<SSTableReader> truncatedSSTables = new ArrayList<SSTableReader>();
for (SSTableReader sstable : getSSTables())
{
if (!sstable.newSince(truncatedAt))
truncatedSSTables.add(sstable);
}
if (truncatedSSTables.isEmpty())
return ReplayPosition.NONE;
markCompacted(truncatedSSTables, OperationType.UNKNOWN);
return ReplayPosition.getReplayPosition(truncatedSSTables);
}