本文整理汇总了Java中org.apache.cassandra.db.RowPosition.compareTo方法的典型用法代码示例。如果您正苦于以下问题：Java RowPosition.compareTo方法的具体用法？Java RowPosition.compareTo怎么用？Java RowPosition.compareTo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.RowPosition的用法示例。
在下文中一共展示了RowPosition.compareTo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: getIndexScanPosition
import org.apache.cassandra.db.RowPosition; //导入方法依赖的package包/类
/**
* Gets the position in the index file to start scanning to find the given key (at most indexInterval keys away,
* modulo downsampling of the index summary). Always returns a value >= 0
*/
public long getIndexScanPosition(RowPosition key)
{
if (openReason == OpenReason.MOVED_START && key.compareTo(first) < 0)
key = first;
return getIndexScanPositionFromBinarySearchResult(indexSummary.binarySearch(key), indexSummary);
}
示例2: firstKeyBeyond
import org.apache.cassandra.db.RowPosition; //导入方法依赖的package包/类
/**
* Finds and returns the first key beyond a given token in this SSTable or null if no such key exists.
*/
public DecoratedKey firstKeyBeyond(RowPosition token)
{
if (token.compareTo(first) < 0)
return first;
long sampledPosition = getIndexScanPosition(token);
Iterator<FileDataInput> segments = ifile.iterator(sampledPosition);
while (segments.hasNext())
{
FileDataInput in = segments.next();
try
{
while (!in.isEOF())
{
ByteBuffer indexKey = ByteBufferUtil.readWithShortLength(in);
DecoratedKey indexDecoratedKey = partitioner.decorateKey(indexKey);
if (indexDecoratedKey.compareTo(token) > 0)
return indexDecoratedKey;
RowIndexEntry.Serializer.skip(in);
}
}
catch (IOException e)
{
markSuspect();
throw new CorruptSSTableException(e, in.getPath());
}
finally
{
FileUtils.closeQuietly(in);
}
}
return null;
}