alluxio.conf.path

Class PrefixPathMatcher

java.lang.Object

alluxio.conf.path.PrefixPathMatcher

All Implemented Interfaces:

PathMatcher

@ThreadSafe
public final class PrefixPathMatcher
extends Object
implements PathMatcher

A PathMatcher to match a path against a set of paths. Path a matches path b if a is the same as b or a is in the subtree of b. For example: /a/b/c matches /a/b, but /a/bc does not match /a/b because although /a/b is a prefix of /a/bc, /a/bc is not in the subtree of /a/b.

Constructor Summary

Constructors

Constructor and Description
PrefixPathMatcher(Set<String> paths) Builds internal trie based on paths.

Method Summary

Modifier and Type	Method and Description
Optional<List<String>>	match(AlluxioURI path)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PrefixPathMatcher

public PrefixPathMatcher(Set<String> paths)

Builds internal trie based on paths. Each path must start with "/".

Parameters:

paths - the list of path

Method Detail

match

public Optional<List<String>> match(AlluxioURI path)

Specified by:

match in interface PathMatcher

Parameters:

path - the path to be matched, must start with "/"

Returns:

the list of matched path patterns sorted by descending match preferences