HDFS-12877. Add open(PathHandle) with default buffersize
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@ -951,6 +951,21 @@ public FSDataInputStream open(Path f) throws IOException {
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IO_FILE_BUFFER_SIZE_DEFAULT));
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}
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/**
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* Open an FSDataInputStream matching the PathHandle instance. The
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* implementation may encode metadata in PathHandle to address the
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* resource directly and verify that the resource referenced
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* satisfies constraints specified at its construciton.
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* @param fd PathHandle object returned by the FS authority.
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* @throws IOException IO failure
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* @throws UnsupportedOperationException If {@link #open(PathHandle, int)}
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* not overridden by subclass
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*/
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public FSDataInputStream open(PathHandle fd) throws IOException {
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return open(fd, getConf().getInt(IO_FILE_BUFFER_SIZE_KEY,
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IO_FILE_BUFFER_SIZE_DEFAULT));
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}
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/**
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* Open an FSDataInputStream matching the PathHandle instance. The
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* implementation may encode metadata in PathHandle to address the
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@ -79,6 +79,7 @@ public FSDataOutputStream createNonRecursive(Path f, FsPermission permission,
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public boolean mkdirs(Path f);
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public FSDataInputStream open(Path f);
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public FSDataInputStream open(PathHandle f);
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public FSDataOutputStream create(Path f);
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public FSDataOutputStream create(Path f, boolean overwrite);
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public FSDataOutputStream create(Path f, Progressable progress);
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@ -80,6 +80,7 @@ public FSDataOutputStream createNonRecursive(Path f, FsPermission permission,
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public boolean mkdirs(Path f);
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public FSDataInputStream open(Path f);
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public FSDataInputStream open(PathHandle f);
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public FSDataOutputStream create(Path f);
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public FSDataOutputStream create(Path f, boolean overwrite);
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public FSDataOutputStream create(Path f, Progressable progress);
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