Public

Check whether current user have permissions to access the path. Traverse is
always checked. Parent p

checkPermission

<init>

check

checkOwner

checkSubAccess

checkTraverse

checkStickyBit

Verify if the caller has the required permission. This will result into an
exception if the caller i

checkSuperuserPrivilege

getAccessControlEnforcer

getAttributesProvider

getINodeAttrs

getUser

Checks requested access against an Access Control List. This method relies on
finding the ACL data i

hasAclPermission

hasPermission

isSuperUser

toAccessControlString

constructPath

containsGroup

isMemberOfGroup

checkIsDirectory

FSPermissionChecker

Updating database using SQL prepared statement

An abstraction for a native pointer data type. A Pointer instance represents, on
the Java side, a na

com.sun.jna.Pointer

ArrayList is an implementation of List, backed by an array. All optional
operations including adding

java.util.ArrayList

An ordered collection (also known as a sequence). The user of this interface has
precise control ove

java.util.List

TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support

java.util.TreeSet

javax.swing.JLabel

Factory for creating Log instances, with discovery and configuration features
similar to that employ

org.apache.commons.logging.LogFactory

putExtra

getContentResolver

setScale

// must tunnel these exceptions out to avoid breaking interface for

/**
   * Check whether current user have permissions to access the path.
   * Traverse is always checked.
   *
   * Parent path means the parent directory for the path.
   * Ancestor path means the last (the closest) existing ancestor directory
   * of the path.
   * Note that if the parent path exists,
   * then the parent path and the ancestor path are the same.
   *
   * For example, suppose the path is "/foo/bar/baz".
   * No matter baz is a file or a directory,
   * the parent path is "/foo/bar".
   * If bar exists, then the ancestor path is also "/foo/bar".
   * If bar does not exist and foo exists,
   * then the ancestor path is "/foo".
   * Further, if both foo and bar do not exist,
   * then the ancestor path is "/".
   *
   * @param doCheckOwner Require user to be the owner of the path?
   * @param ancestorAccess The access required by the ancestor of the path.
   * @param parentAccess The access required by the parent of the path.
   * @param access The access required by the path.
   * @param subAccess If path is a directory,
   * it is the access required of the path and all the sub-directories.
   * If path is not a directory, there is no effect.
   * @return a PermissionChecker object which caches data for later use.
   * @throws AccessControlException
   */

How to use checkOwnermethodin org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker

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How to use
checkOwner
method
in
org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker