本文整理汇总了Java中org.apache.hadoop.hdfs.server.namenode.NameNodeLayoutVersion.getFeatures方法的典型用法代码示例。如果您正苦于以下问题:Java NameNodeLayoutVersion.getFeatures方法的具体用法?Java NameNodeLayoutVersion.getFeatures怎么用?Java NameNodeLayoutVersion.getFeatures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.server.namenode.NameNodeLayoutVersion
的用法示例。
在下文中一共展示了NameNodeLayoutVersion.getFeatures方法的1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: validateFeatureList
import org.apache.hadoop.hdfs.server.namenode.NameNodeLayoutVersion; //导入方法依赖的package包/类
/**
* Given feature {@code f}, ensures the layout version of that feature
* supports all the features supported by it's ancestor.
*/
private void validateFeatureList(LayoutFeature f) {
final FeatureInfo info = f.getInfo();
int lv = info.getLayoutVersion();
int ancestorLV = info.getAncestorLayoutVersion();
SortedSet<LayoutFeature> ancestorSet = NameNodeLayoutVersion.getFeatures(ancestorLV);
assertNotNull(ancestorSet);
for (LayoutFeature feature : ancestorSet) {
assertTrue("LV " + lv + " does nto support " + feature
+ " supported by the ancestor LV " + info.getAncestorLayoutVersion(),
NameNodeLayoutVersion.supports(feature, lv));
}
}