本文整理汇总了Java中org.apache.hadoop.hdfs.protocol.HdfsConstants.RESERVED_PATH_COMPONENTS属性的典型用法代码示例。如果您正苦于以下问题:Java HdfsConstants.RESERVED_PATH_COMPONENTS属性的具体用法?Java HdfsConstants.RESERVED_PATH_COMPONENTS怎么用?Java HdfsConstants.RESERVED_PATH_COMPONENTS使用的例子?那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.apache.hadoop.hdfs.protocol.HdfsConstants
的用法示例。
在下文中一共展示了HdfsConstants.RESERVED_PATH_COMPONENTS属性的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: isReservedPathComponent
/**
* Returns if the component is reserved.
*
* <p>
* Note that some components are only reserved under certain directories, e.g.
* "/.reserved" is reserved, while "/hadoop/.reserved" is not.
* @return true, if the component is reserved
*/
public static boolean isReservedPathComponent(String component) {
for (String reserved : HdfsConstants.RESERVED_PATH_COMPONENTS) {
if (component.equals(reserved)) {
return true;
}
}
return false;
}
示例2: useDefaultRenameReservedPairs
/**
* Use the default key-value pairs that will be used to determine how to
* rename reserved paths on upgrade.
*/
@VisibleForTesting
public static void useDefaultRenameReservedPairs() {
renameReservedMap.clear();
for (String key: HdfsConstants.RESERVED_PATH_COMPONENTS) {
renameReservedMap.put(
key,
key + "." + HdfsConstants.NAMENODE_LAYOUT_VERSION + "."
+ "UPGRADE_RENAMED");
}
}