HADOOP-6727. Remove UnresolvedLinkException from public FileContext APIs. Contributed by Eli Collins.
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@940527 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Thomas White
parent
fe49f6e473
commit
322f9ac7b1
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@ -1521,6 +1521,9 @@ Release 0.21.0 - Unreleased
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HADOOP-6742. Add methods HADOOP-6709 from to TestFilterFileSystem.
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(Eli Collins via tomwhite)
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HADOOP-6727. Remove UnresolvedLinkException from public FileContext APIs.
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(Eli Collins via tomwhite)
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Release 0.20.3 - Unreleased
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NEW FEATURES
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@ -528,8 +528,6 @@ public final class FileContext {
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* directory.
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* @throws UnsupportedFileSystemException If file system for <code>f</code> is
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* not supported
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* @throws UnresolvedLinkException If symbolic link <code>f</code> could not
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* be resolved
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* @throws IOException If an I/O error occurred
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*
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* Exceptions applicable to file systems accessed over RPC:
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@ -545,7 +543,7 @@ public final class FileContext {
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final EnumSet<CreateFlag> createFlag, Options.CreateOpts... opts)
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throws AccessControlException, FileAlreadyExistsException,
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FileNotFoundException, ParentNotDirectoryException,
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UnsupportedFileSystemException, UnresolvedLinkException, IOException {
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UnsupportedFileSystemException, IOException {
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Path absF = fixRelativePart(f);
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// If one of the options is a permission, extract it & apply umask
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@ -562,7 +560,7 @@ public final class FileContext {
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CreateOpts.setOpt(CreateOpts.perms(permission), opts);
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return new FSLinkResolver<FSDataOutputStream>() {
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public FSDataOutputStream next(final AbstractFileSystem fs, final Path p)
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throws IOException, UnresolvedLinkException {
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throws IOException {
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return fs.create(p, createFlag, updatedOpts);
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}
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}.resolve(this, absF);
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@ -583,8 +581,6 @@ public final class FileContext {
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* and <code>createParent</code> is false
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* @throws ParentNotDirectoryException If parent of <code>dir</code> is not a
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* directory
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* @throws UnresolvedLinkException If symbolic link <code>dir</code> could not
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* be resolved
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* @throws UnsupportedFileSystemException If file system for <code>dir</code>
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* is not supported
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* @throws IOException If an I/O error occurred
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@ -600,8 +596,8 @@ public final class FileContext {
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public void mkdir(final Path dir, final FsPermission permission,
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final boolean createParent) throws AccessControlException,
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FileAlreadyExistsException, FileNotFoundException,
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ParentNotDirectoryException, UnresolvedLinkException,
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UnsupportedFileSystemException, IOException {
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ParentNotDirectoryException, UnsupportedFileSystemException,
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IOException {
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final Path absDir = fixRelativePart(dir);
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final FsPermission absFerms = (permission == null ?
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FsPermission.getDefault() : permission).applyUMask(umask);
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@ -625,8 +621,6 @@ public final class FileContext {
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* @throws FileNotFoundException If <code>f</code> does not exist
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* @throws UnsupportedFileSystemException If file system for <code>f</code> is
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* not supported
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* @throws UnresolvedLinkException If symbolic link <code>f</code> could not
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* be resolved
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* @throws IOException If an I/O error occurred
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*
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* Exceptions applicable to file systems accessed over RPC:
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@ -640,7 +634,7 @@ public final class FileContext {
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*/
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public boolean delete(final Path f, final boolean recursive)
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throws AccessControlException, FileNotFoundException,
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UnsupportedFileSystemException, UnresolvedLinkException, IOException {
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UnsupportedFileSystemException, IOException {
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Path absF = fixRelativePart(f);
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return new FSLinkResolver<Boolean>() {
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public Boolean next(final AbstractFileSystem fs, final Path p)
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@ -659,8 +653,6 @@ public final class FileContext {
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* @throws FileNotFoundException If file <code>f</code> does not exist
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* @throws UnsupportedFileSystemException If file system for <code>f</code>
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* is not supported
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* @throws UnresolvedLinkException If symbolic link <code>f</code> could not
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* be resolved
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* @throws IOException If an I/O error occurred
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*
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* Exceptions applicable to file systems accessed over RPC:
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@ -670,8 +662,7 @@ public final class FileContext {
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* undeclared exception to RPC server
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*/
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public FSDataInputStream open(final Path f) throws AccessControlException,
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FileNotFoundException, UnsupportedFileSystemException,
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UnresolvedLinkException, IOException {
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FileNotFoundException, UnsupportedFileSystemException, IOException {
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final Path absF = fixRelativePart(f);
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return new FSLinkResolver<FSDataInputStream>() {
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public FSDataInputStream next(final AbstractFileSystem fs, final Path p)
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@ -691,8 +682,6 @@ public final class FileContext {
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* @throws FileNotFoundException If file <code>f</code> does not exist
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* @throws UnsupportedFileSystemException If file system for <code>f</code> is
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* not supported
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* @throws UnresolvedLinkException If symbolic link <code>f</code> could not
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* be resolved
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* @throws IOException If an I/O error occurred
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*
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* Exceptions applicable to file systems accessed over RPC:
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@ -703,7 +692,7 @@ public final class FileContext {
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*/
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public FSDataInputStream open(final Path f, final int bufferSize)
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throws AccessControlException, FileNotFoundException,
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UnsupportedFileSystemException, UnresolvedLinkException, IOException {
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UnsupportedFileSystemException, IOException {
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final Path absF = fixRelativePart(f);
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return new FSLinkResolver<FSDataInputStream>() {
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public FSDataInputStream next(final AbstractFileSystem fs, final Path p)
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@ -723,8 +712,6 @@ public final class FileContext {
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*
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* @throws AccessControlException If access is denied
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* @throws FileNotFoundException If file <code>f</code> does not exist
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* @throws UnresolvedLinkException If symbolic link <code>f</code> could not
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* be resolved
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* @throws IOException If an I/O error occurred
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*
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* Exceptions applicable to file systems accessed over RPC:
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@ -735,7 +722,7 @@ public final class FileContext {
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*/
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public boolean setReplication(final Path f, final short replication)
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throws AccessControlException, FileNotFoundException,
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UnresolvedLinkException, IOException {
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IOException {
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final Path absF = fixRelativePart(f);
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return new FSLinkResolver<Boolean>() {
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public Boolean next(final AbstractFileSystem fs, final Path p)
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@ -777,8 +764,6 @@ public final class FileContext {
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* directory
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* @throws UnsupportedFileSystemException If file system for <code>src</code>
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* and <code>dst</code> is not supported
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* @throws UnresolvedLinkException If symbolic link <code>src</code> or
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* <code>dst</code> could not be resolved
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* @throws IOException If an I/O error occurred
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*
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* Exceptions applicable to file systems accessed over RPC:
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@ -791,7 +776,7 @@ public final class FileContext {
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final Options.Rename... options) throws AccessControlException,
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FileAlreadyExistsException, FileNotFoundException,
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ParentNotDirectoryException, UnsupportedFileSystemException,
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UnresolvedLinkException, IOException {
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IOException {
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final Path absSrc = fixRelativePart(src);
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final Path absDst = fixRelativePart(dst);
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AbstractFileSystem srcFS = getFSofPath(absSrc);
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@ -826,8 +811,6 @@ public final class FileContext {
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* @throws FileNotFoundException If <code>f</code> does not exist
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* @throws UnsupportedFileSystemException If file system for <code>f</code>
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* is not supported
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* @throws UnresolvedLinkException If symbolic link <code>f</code> could not
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* be resolved
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* @throws IOException If an I/O error occurred
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*
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* Exceptions applicable to file systems accessed over RPC:
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@ -838,7 +821,7 @@ public final class FileContext {
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*/
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public void setPermission(final Path f, final FsPermission permission)
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throws AccessControlException, FileNotFoundException,
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UnsupportedFileSystemException, UnresolvedLinkException, IOException {
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UnsupportedFileSystemException, IOException {
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final Path absF = fixRelativePart(f);
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new FSLinkResolver<Void>() {
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public Void next(final AbstractFileSystem fs, final Path p)
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@ -861,8 +844,6 @@ public final class FileContext {
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* @throws FileNotFoundException If <code>f</code> does not exist
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* @throws UnsupportedFileSystemException If file system for <code>f</code> is
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* not supported
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* @throws UnresolvedLinkException If symbolic link <code>f</code> could not
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* be resolved
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* @throws IOException If an I/O error occurred
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*
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* Exceptions applicable to file systems accessed over RPC:
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@ -878,7 +859,7 @@ public final class FileContext {
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public void setOwner(final Path f, final String username,
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final String groupname) throws AccessControlException,
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UnsupportedFileSystemException, FileNotFoundException,
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UnresolvedLinkException, IOException {
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IOException {
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if ((username == null) && (groupname == null)) {
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throw new HadoopIllegalArgumentException(
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"username and groupname cannot both be null");
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@ -907,8 +888,6 @@ public final class FileContext {
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* @throws FileNotFoundException If <code>f</code> does not exist
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* @throws UnsupportedFileSystemException If file system for <code>f</code> is
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* not supported
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* @throws UnresolvedLinkException If symbolic link <code>f</code> could not
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* be resolved
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* @throws IOException If an I/O error occurred
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*
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* Exceptions applicable to file systems accessed over RPC:
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@ -919,7 +898,7 @@ public final class FileContext {
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*/
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public void setTimes(final Path f, final long mtime, final long atime)
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throws AccessControlException, FileNotFoundException,
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UnsupportedFileSystemException, UnresolvedLinkException, IOException {
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UnsupportedFileSystemException, IOException {
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final Path absF = fixRelativePart(f);
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new FSLinkResolver<Void>() {
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public Void next(final AbstractFileSystem fs, final Path p)
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@ -941,8 +920,6 @@ public final class FileContext {
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*
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* @throws AccessControlException If access is denied
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* @throws FileNotFoundException If <code>f</code> does not exist
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* @throws UnresolvedLinkException If symbolic link <code>f</code> could not
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* be resolved
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* @throws IOException If an I/O error occurred
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*
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* Exceptions applicable to file systems accessed over RPC:
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@ -953,7 +930,7 @@ public final class FileContext {
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*/
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public FileChecksum getFileChecksum(final Path f)
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throws AccessControlException, FileNotFoundException,
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UnresolvedLinkException, IOException {
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IOException {
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final Path absF = fixRelativePart(f);
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return new FSLinkResolver<FileChecksum>() {
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public FileChecksum next(final AbstractFileSystem fs, final Path p)
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@ -999,8 +976,6 @@ public final class FileContext {
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* @throws FileNotFoundException If <code>f</code> does not exist
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* @throws UnsupportedFileSystemException If file system for <code>f</code> is
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* not supported
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* @throws UnresolvedLinkException If symbolic link <code>f</code> could not
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* be resolved
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* @throws IOException If an I/O error occurred
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*
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* Exceptions applicable to file systems accessed over RPC:
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@ -1010,8 +985,7 @@ public final class FileContext {
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* undeclared exception to RPC server
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*/
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public FileStatus getFileStatus(final Path f) throws AccessControlException,
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FileNotFoundException, UnsupportedFileSystemException,
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UnresolvedLinkException, IOException {
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FileNotFoundException, UnsupportedFileSystemException, IOException {
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final Path absF = fixRelativePart(f);
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return new FSLinkResolver<FileStatus>() {
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public FileStatus next(final AbstractFileSystem fs, final Path p)
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@ -1121,8 +1095,6 @@ public final class FileContext {
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* @throws FileNotFoundException If <code>f</code> does not exist
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* @throws UnsupportedFileSystemException If file system for <code>f</code> is
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* not supported
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* @throws UnresolvedLinkException If symbolic link <code>f</code> could not
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* be resolved
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* @throws IOException If an I/O error occurred
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*
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* Exceptions applicable to file systems accessed over RPC:
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@ -1138,7 +1110,7 @@ public final class FileContext {
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@InterfaceStability.Evolving
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public BlockLocation[] getFileBlockLocations(final Path f, final long start,
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final long len) throws AccessControlException, FileNotFoundException,
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UnsupportedFileSystemException, UnresolvedLinkException, IOException {
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UnsupportedFileSystemException, IOException {
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final Path absF = fixRelativePart(f);
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return new FSLinkResolver<BlockLocation[]>() {
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public BlockLocation[] next(final AbstractFileSystem fs, final Path p)
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@ -1164,8 +1136,6 @@ public final class FileContext {
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* @throws FileNotFoundException If <code>f</code> does not exist
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* @throws UnsupportedFileSystemException If file system for <code>f</code> is
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* not supported
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* @throws UnresolvedLinkException If symbolic link <code>f</code> could not
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* be resolved
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* @throws IOException If an I/O error occurred
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*
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* Exceptions applicable to file systems accessed over RPC:
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@ -1175,8 +1145,7 @@ public final class FileContext {
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* undeclared exception to RPC server
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*/
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public FsStatus getFsStatus(final Path f) throws AccessControlException,
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FileNotFoundException, UnsupportedFileSystemException,
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UnresolvedLinkException, IOException {
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FileNotFoundException, UnsupportedFileSystemException, IOException {
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if (f == null) {
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return defaultFS.getFsStatus();
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}
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@ -1264,8 +1233,6 @@ public final class FileContext {
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* @throws FileNotFoundException If <code>target</code> does not exist
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* @throws ParentNotDirectoryException If parent of <code>link</code> is not a
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* directory.
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* @throws UnresolvedLinkException If symbolic link <code>target</code> could not
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* be resolved
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* @throws UnsupportedFileSystemException If file system for
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* <code>target</code> or <code>link</code> is not supported
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* @throws IOException If an I/O error occurred
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@ -1273,8 +1240,8 @@ public final class FileContext {
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public void createSymlink(final Path target, final Path link,
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final boolean createParent) throws AccessControlException,
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FileAlreadyExistsException, FileNotFoundException,
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ParentNotDirectoryException, UnresolvedLinkException,
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UnsupportedFileSystemException, IOException {
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ParentNotDirectoryException, UnsupportedFileSystemException,
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IOException {
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final Path nonRelLink = fixRelativePart(link);
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new FSLinkResolver<Void>() {
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public Void next(final AbstractFileSystem fs, final Path p)
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@ -1441,8 +1408,6 @@ public final class FileContext {
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* @throws FileNotFoundException If <code>f</code> does not exist
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* @throws UnsupportedFileSystemException If file system for
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* <code>f</code> is not supported
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* @throws UnresolvedLinkException If symbolic link <code>f</code> could not
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* be resolved
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* @throws IOException If an I/O error occurred
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*
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* Exceptions applicable to file systems accessed over RPC:
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@ -1453,7 +1418,7 @@ public final class FileContext {
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*/
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public ContentSummary getContentSummary(Path f)
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throws AccessControlException, FileNotFoundException,
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UnsupportedFileSystemException, UnresolvedLinkException, IOException {
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UnsupportedFileSystemException, IOException {
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FileStatus status = FileContext.this.getFileStatus(f);
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if (!status.isDir()) {
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// f is a file
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@ -1839,7 +1804,7 @@ public final class FileContext {
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public boolean copy(final Path src, final Path dst)
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throws AccessControlException, FileAlreadyExistsException,
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FileNotFoundException, ParentNotDirectoryException,
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UnresolvedLinkException, UnsupportedFileSystemException, IOException {
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UnsupportedFileSystemException, IOException {
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return copy(src, dst, false, false);
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}
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@ -1858,8 +1823,6 @@ public final class FileContext {
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* @throws FileNotFoundException If <code>src</code> does not exist
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* @throws ParentNotDirectoryException If parent of <code>dst</code> is not
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* a directory
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* @throws UnresolvedLinkException If symbolic link <code>src</code> could
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* not be resolved
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* @throws UnsupportedFileSystemException If file system for
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* <code>src</code> or <code>dst</code> is not supported
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* @throws IOException If an I/O error occurred
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@ -1876,8 +1839,8 @@ public final class FileContext {
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public boolean copy(final Path src, final Path dst, boolean deleteSource,
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boolean overwrite) throws AccessControlException,
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FileAlreadyExistsException, FileNotFoundException,
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ParentNotDirectoryException, UnresolvedLinkException,
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UnsupportedFileSystemException, IOException {
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ParentNotDirectoryException, UnsupportedFileSystemException,
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IOException {
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checkNotSchemeWithRelative(src);
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checkNotSchemeWithRelative(dst);
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Path qSrc = makeQualified(src);
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