本文整理汇总了Java中org.apache.hadoop.hdfs.protocol.CacheDirectiveStats.Builder方法的典型用法代码示例。如果您正苦于以下问题：Java CacheDirectiveStats.Builder方法的具体用法？Java CacheDirectiveStats.Builder怎么用？Java CacheDirectiveStats.Builder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.hadoop.hdfs.protocol.CacheDirectiveStats的用法示例。
在下文中一共展示了CacheDirectiveStats.Builder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: computeNeeded
import org.apache.hadoop.hdfs.protocol.CacheDirectiveStats; //导入方法依赖的package包/类
/**
* Computes the needed number of bytes and files for a path.
* @return CacheDirectiveStats describing the needed stats for this path
*/
private CacheDirectiveStats computeNeeded(String path, short replication) {
FSDirectory fsDir = namesystem.getFSDirectory();
INode node;
long requestedBytes = 0;
long requestedFiles = 0;
CacheDirectiveStats.Builder builder = new CacheDirectiveStats.Builder();
try {
node = fsDir.getINode(path);
} catch (UnresolvedLinkException e) {
// We don't cache through symlinks
return builder.build();
}
if (node == null) {
return builder.build();
}
if (node.isFile()) {
requestedFiles = 1;
INodeFile file = node.asFile();
requestedBytes = file.computeFileSize();
} else if (node.isDirectory()) {
INodeDirectory dir = node.asDirectory();
ReadOnlyList<INode> children = dir
.getChildrenList(Snapshot.CURRENT_STATE_ID);
requestedFiles = children.size();
for (INode child : children) {
if (child.isFile()) {
requestedBytes += child.asFile().computeFileSize();
}
}
}
return new CacheDirectiveStats.Builder()
.setBytesNeeded(requestedBytes)
.setFilesCached(requestedFiles)
.build();
}
示例2: convert
import org.apache.hadoop.hdfs.protocol.CacheDirectiveStats; //导入方法依赖的package包/类
public static CacheDirectiveStats convert(CacheDirectiveStatsProto proto) {
CacheDirectiveStats.Builder builder = new CacheDirectiveStats.Builder();
builder.setBytesNeeded(proto.getBytesNeeded());
builder.setBytesCached(proto.getBytesCached());
builder.setFilesNeeded(proto.getFilesNeeded());
builder.setFilesCached(proto.getFilesCached());
builder.setHasExpired(proto.getHasExpired());
return builder.build();
}