Example usage for org.apache.hadoop.hdfs.protocol UnresolvedPathException getResolvedPath

Introduction

In this page you can find the example usage for org.apache.hadoop.hdfs.protocol UnresolvedPathException getResolvedPath.

Prototype

public Path getResolvedPath() 

Source Link

Document

Return a path with the link resolved with the target.

Usage

From source file:common.NameNode.java

License:Apache License

/** @inheritDoc */
public String getLinkTarget(String path) throws IOException {
    myMetrics.numgetLinkTargetOps.inc();
    /* Resolves the first symlink in the given path, returning a
     * new path consisting of the target of the symlink and any 
     * remaining path components from the original path.
     *///ww w  . java  2s  .co m
    try {
        HdfsFileStatus stat = namesystem.getFileInfo(path, false);
        if (stat != null) {
            // NB: getSymlink throws IOException if !stat.isSymlink() 
            return stat.getSymlink();
        }
    } catch (UnresolvedPathException e) {
        return e.getResolvedPath().toString();
    } catch (UnresolvedLinkException e) {
        // The NameNode should only throw an UnresolvedPathException
        throw new AssertionError("UnresolvedLinkException thrown");
    }
    return null;
}

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