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<div class="subTitle">org.apache.hadoop.fs</div>
<h2 title="Class ChecksumFileSystem" class="title">Class ChecksumFileSystem</h2>
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<li><a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">org.apache.hadoop.fs.FileSystem</a></li>
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<li>org.apache.hadoop.fs.ChecksumFileSystem</li>
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<dd><a href="../../../../org/apache/hadoop/fs/LocalFileSystem.html" title="class in org.apache.hadoop.fs">LocalFileSystem</a></dd>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Stable
public abstract class <span class="typeNameLabel">ChecksumFileSystem</span>
extends <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></pre>
<div class="block">Abstract Checksumed FileSystem.
It provide a basic implementation of a Checksumed FileSystem,
which creates a checksum file for each raw file.
It generates &amp; verifies checksums at the client side.</div>
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<h3>Fields inherited from class&nbsp;org.apache.hadoop.fs.<a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></h3>
<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#fs">fs</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#swapScheme">swapScheme</a></code></li>
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<h3>Fields inherited from class&nbsp;org.apache.hadoop.fs.<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a></h3>
<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#DEFAULT_FS">DEFAULT_FS</a>, <a href="../../../../org/apache/hadoop/fs/FileSystem.html#FS_DEFAULT_NAME_KEY">FS_DEFAULT_NAME_KEY</a>, <a href="../../../../org/apache/hadoop/fs/FileSystem.html#SHUTDOWN_HOOK_PRIORITY">SHUTDOWN_HOOK_PRIORITY</a>, <a href="../../../../org/apache/hadoop/fs/FileSystem.html#statistics">statistics</a>, <a href="../../../../org/apache/hadoop/fs/FileSystem.html#TRASH_PREFIX">TRASH_PREFIX</a>, <a href="../../../../org/apache/hadoop/fs/FileSystem.html#USER_HOME_PREFIX">USER_HOME_PREFIX</a></code></li>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#ChecksumFileSystem-org.apache.hadoop.fs.FileSystem-">ChecksumFileSystem</a></span>(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a>&nbsp;fs)</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/FSDataOutputStream.html" title="class in org.apache.hadoop.fs">FSDataOutputStream</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#append-org.apache.hadoop.fs.Path-int-org.apache.hadoop.util.Progressable-">append</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
int&nbsp;bufferSize,
<a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;progress)</code>
<div class="block">Append to an existing file (optional operation).</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/FSDataOutputStreamBuilder.html" title="class in org.apache.hadoop.fs">FSDataOutputStreamBuilder</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#appendFile-org.apache.hadoop.fs.Path-">appendFile</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;path)</code>
<div class="block">This is overridden to ensure that this class's create() method is
ultimately called.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#completeLocalOutput-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">completeLocalOutput</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;fsOutputFile,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;tmpLocalFile)</code>
<div class="block">Called when we're all done writing to the target.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#concat-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path:A-">concat</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]&nbsp;psrcs)</code>
<div class="block">Concat existing files together.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#copyFromLocalFile-boolean-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">copyFromLocalFile</a></span>(boolean&nbsp;delSrc,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;dst)</code>
<div class="block">The src file is on the local disk.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#copyToLocalFile-boolean-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">copyToLocalFile</a></span>(boolean&nbsp;delSrc,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;dst)</code>
<div class="block">The src file is under FS, and the dst is on the local disk.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#copyToLocalFile-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-boolean-">copyToLocalFile</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;dst,
boolean&nbsp;copyCrc)</code>
<div class="block">The src file is under FS, and the dst is on the local disk.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/FSDataOutputStream.html" title="class in org.apache.hadoop.fs">FSDataOutputStream</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#create-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-boolean-int-short-long-org.apache.hadoop.util.Progressable-">create</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
<a href="../../../../org/apache/hadoop/fs/permission/FsPermission.html" title="class in org.apache.hadoop.fs.permission">FsPermission</a>&nbsp;permission,
boolean&nbsp;overwrite,
int&nbsp;bufferSize,
short&nbsp;replication,
long&nbsp;blockSize,
<a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;progress)</code>
<div class="block">Create an FSDataOutputStream at the indicated Path with write-progress
reporting.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/FSDataOutputStream.html" title="class in org.apache.hadoop.fs">FSDataOutputStream</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#create-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-java.util.EnumSet-int-short-long-org.apache.hadoop.util.Progressable-org.apache.hadoop.fs.Options.ChecksumOpt-">create</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
<a href="../../../../org/apache/hadoop/fs/permission/FsPermission.html" title="class in org.apache.hadoop.fs.permission">FsPermission</a>&nbsp;permission,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/EnumSet.html?is-external=true" title="class or interface in java.util">EnumSet</a>&lt;<a href="../../../../org/apache/hadoop/fs/CreateFlag.html" title="enum in org.apache.hadoop.fs">CreateFlag</a>&gt;&nbsp;flags,
int&nbsp;bufferSize,
short&nbsp;replication,
long&nbsp;blockSize,
<a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;progress,
org.apache.hadoop.fs.Options.ChecksumOpt&nbsp;checksumOpt)</code>
<div class="block">Create an FSDataOutputStream at the indicated Path with a custom
checksum option.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/FSDataOutputStreamBuilder.html" title="class in org.apache.hadoop.fs">FSDataOutputStreamBuilder</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#createFile-org.apache.hadoop.fs.Path-">createFile</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;path)</code>
<div class="block">This is overridden to ensure that this class's create() method is
ultimately called.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/FSDataOutputStream.html" title="class in org.apache.hadoop.fs">FSDataOutputStream</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#createNonRecursive-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-boolean-int-short-long-org.apache.hadoop.util.Progressable-">createNonRecursive</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
<a href="../../../../org/apache/hadoop/fs/permission/FsPermission.html" title="class in org.apache.hadoop.fs.permission">FsPermission</a>&nbsp;permission,
boolean&nbsp;overwrite,
int&nbsp;bufferSize,
short&nbsp;replication,
long&nbsp;blockSize,
<a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;progress)</code>
<div class="block">Opens an FSDataOutputStream at the indicated Path with write-progress
reporting.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/FSDataOutputStream.html" title="class in org.apache.hadoop.fs">FSDataOutputStream</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#createNonRecursive-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-java.util.EnumSet-int-short-long-org.apache.hadoop.util.Progressable-">createNonRecursive</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
<a href="../../../../org/apache/hadoop/fs/permission/FsPermission.html" title="class in org.apache.hadoop.fs.permission">FsPermission</a>&nbsp;permission,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/EnumSet.html?is-external=true" title="class or interface in java.util">EnumSet</a>&lt;<a href="../../../../org/apache/hadoop/fs/CreateFlag.html" title="enum in org.apache.hadoop.fs">CreateFlag</a>&gt;&nbsp;flags,
int&nbsp;bufferSize,
short&nbsp;replication,
long&nbsp;blockSize,
<a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;progress)</code>
<div class="block">Opens an FSDataOutputStream at the indicated Path with write-progress
reporting.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#delete-org.apache.hadoop.fs.Path-boolean-">delete</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
boolean&nbsp;recursive)</code>
<div class="block">Implement the delete(Path, boolean) in checksum
file system.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>static double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#getApproxChkSumLength-long-">getApproxChkSumLength</a></span>(long&nbsp;size)</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#getBytesPerSum--">getBytesPerSum</a></span>()</code>
<div class="block">Return the bytes Per Checksum.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#getChecksumFile-org.apache.hadoop.fs.Path-">getChecksumFile</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;file)</code>
<div class="block">Return the name of the checksum file associated with a file.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#getChecksumFileLength-org.apache.hadoop.fs.Path-long-">getChecksumFileLength</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;file,
long&nbsp;fileSize)</code>
<div class="block">Return the length of the checksum file given the size of the
actual file.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#getChecksumLength-long-int-">getChecksumLength</a></span>(long&nbsp;size,
int&nbsp;bytesPerSum)</code>
<div class="block">Calculated the length of the checksum file in bytes.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#getRawFileSystem--">getRawFileSystem</a></span>()</code>
<div class="block">get the raw file system</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#hasPathCapability-org.apache.hadoop.fs.Path-java.lang.String-">hasPathCapability</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;path,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;capability)</code>
<div class="block">Disable those operations which the checksummed FS blocks.</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#isChecksumFile-org.apache.hadoop.fs.Path-">isChecksumFile</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;file)</code>
<div class="block">Return true if file is a checksum file name.</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>org.apache.hadoop.fs.RemoteIterator&lt;<a href="../../../../org/apache/hadoop/fs/LocatedFileStatus.html" title="class in org.apache.hadoop.fs">LocatedFileStatus</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#listLocatedStatus-org.apache.hadoop.fs.Path-">listLocatedStatus</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f)</code>
<div class="block">List the statuses of the files/directories in the given path if the path is
a directory.</div>
</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#listStatus-org.apache.hadoop.fs.Path-">listStatus</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f)</code>
<div class="block">List the statuses of the files/directories in the given path if the path is
a directory.</div>
</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>org.apache.hadoop.fs.RemoteIterator&lt;<a href="../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#listStatusIterator-org.apache.hadoop.fs.Path-">listStatusIterator</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;p)</code>
<div class="block">Return a remote iterator for listing in a directory</div>
</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#mkdirs-org.apache.hadoop.fs.Path-">mkdirs</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f)</code>
<div class="block">Call <a href="../../../../org/apache/hadoop/fs/FileSystem.html#mkdirs-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-"><code>FileSystem.mkdirs(Path, FsPermission)</code></a> with default permission.</div>
</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#modifyAclEntries-org.apache.hadoop.fs.Path-java.util.List-">modifyAclEntries</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/hadoop/fs/permission/AclEntry.html" title="class in org.apache.hadoop.fs.permission">AclEntry</a>&gt;&nbsp;aclSpec)</code>
<div class="block">Modifies ACL entries of files and directories.</div>
</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/FSDataInputStream.html" title="class in org.apache.hadoop.fs">FSDataInputStream</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#open-org.apache.hadoop.fs.Path-int-">open</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
int&nbsp;bufferSize)</code>
<div class="block">Opens an FSDataInputStream at the indicated Path.</div>
</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/FutureDataInputStreamBuilder.html" title="interface in org.apache.hadoop.fs">FutureDataInputStreamBuilder</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#openFile-org.apache.hadoop.fs.Path-">openFile</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;path)</code>
<div class="block">This is overridden to ensure that this class's
<a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#openFileWithOptions-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.impl.OpenFileParameters-"><code>openFileWithOptions(org.apache.hadoop.fs.Path, org.apache.hadoop.fs.impl.OpenFileParameters)</code></a>() method is called, and so ultimately
its <a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#open-org.apache.hadoop.fs.Path-int-"><code>open(Path, int)</code></a>.</div>
</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CompletableFuture.html?is-external=true" title="class or interface in java.util.concurrent">CompletableFuture</a>&lt;<a href="../../../../org/apache/hadoop/fs/FSDataInputStream.html" title="class in org.apache.hadoop.fs">FSDataInputStream</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#openFileWithOptions-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.impl.OpenFileParameters-">openFileWithOptions</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;path,
org.apache.hadoop.fs.impl.OpenFileParameters&nbsp;parameters)</code>
<div class="block">Open the file as a blocking call to <a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#open-org.apache.hadoop.fs.Path-int-"><code>open(Path, int)</code></a>.</div>
</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#removeAcl-org.apache.hadoop.fs.Path-">removeAcl</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src)</code>
<div class="block">Removes all but the base ACL entries of files and directories.</div>
</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#removeAclEntries-org.apache.hadoop.fs.Path-java.util.List-">removeAclEntries</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/hadoop/fs/permission/AclEntry.html" title="class in org.apache.hadoop.fs.permission">AclEntry</a>&gt;&nbsp;aclSpec)</code>
<div class="block">Removes ACL entries from files and directories.</div>
</td>
</tr>
<tr id="i31" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#removeDefaultAcl-org.apache.hadoop.fs.Path-">removeDefaultAcl</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src)</code>
<div class="block">Removes all default ACL entries from files and directories.</div>
</td>
</tr>
<tr id="i32" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#rename-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">rename</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;dst)</code>
<div class="block">Rename files/dirs</div>
</td>
</tr>
<tr id="i33" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#reportChecksumFailure-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.FSDataInputStream-long-org.apache.hadoop.fs.FSDataInputStream-long-">reportChecksumFailure</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
<a href="../../../../org/apache/hadoop/fs/FSDataInputStream.html" title="class in org.apache.hadoop.fs">FSDataInputStream</a>&nbsp;in,
long&nbsp;inPos,
<a href="../../../../org/apache/hadoop/fs/FSDataInputStream.html" title="class in org.apache.hadoop.fs">FSDataInputStream</a>&nbsp;sums,
long&nbsp;sumsPos)</code>
<div class="block">Report a checksum error to the file system.</div>
</td>
</tr>
<tr id="i34" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#setAcl-org.apache.hadoop.fs.Path-java.util.List-">setAcl</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/hadoop/fs/permission/AclEntry.html" title="class in org.apache.hadoop.fs.permission">AclEntry</a>&gt;&nbsp;aclSpec)</code>
<div class="block">Fully replaces ACL of files and directories, discarding all existing
entries.</div>
</td>
</tr>
<tr id="i35" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#setConf-org.apache.hadoop.conf.Configuration-">setConf</a></span>(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</code>
<div class="block">Set the configuration to be used by this object.</div>
</td>
</tr>
<tr id="i36" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#setOwner-org.apache.hadoop.fs.Path-java.lang.String-java.lang.String-">setOwner</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;username,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;groupname)</code>
<div class="block">Set owner of a path (i.e.</div>
</td>
</tr>
<tr id="i37" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#setPermission-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-">setPermission</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="../../../../org/apache/hadoop/fs/permission/FsPermission.html" title="class in org.apache.hadoop.fs.permission">FsPermission</a>&nbsp;permission)</code>
<div class="block">Set permission of a path.</div>
</td>
</tr>
<tr id="i38" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#setReplication-org.apache.hadoop.fs.Path-short-">setReplication</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
short&nbsp;replication)</code>
<div class="block">Set replication for an existing file.</div>
</td>
</tr>
<tr id="i39" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#setVerifyChecksum-boolean-">setVerifyChecksum</a></span>(boolean&nbsp;verifyChecksum)</code>
<div class="block">Set whether to verify checksum.</div>
</td>
</tr>
<tr id="i40" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#setWriteChecksum-boolean-">setWriteChecksum</a></span>(boolean&nbsp;writeChecksum)</code>
<div class="block">Set the write checksum flag.</div>
</td>
</tr>
<tr id="i41" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#startLocalOutput-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">startLocalOutput</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;fsOutputFile,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;tmpLocalFile)</code>
<div class="block">Returns a local File that the user can write output to.</div>
</td>
</tr>
<tr id="i42" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#truncate-org.apache.hadoop.fs.Path-long-">truncate</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
long&nbsp;newLength)</code>
<div class="block">Truncate the file in the indicated path to the indicated size.</div>
</td>
</tr>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.org.apache.hadoop.fs.FilterFileSystem">
<!-- -->
</a>
<h3>Methods inherited from class&nbsp;org.apache.hadoop.fs.<a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></h3>
<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#access-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsAction-">access</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#canonicalizeUri-java.net.URI-">canonicalizeUri</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#checkPath-org.apache.hadoop.fs.Path-">checkPath</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#close--">close</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#copyFromLocalFile-boolean-boolean-org.apache.hadoop.fs.Path:A-org.apache.hadoop.fs.Path-">copyFromLocalFile</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#copyFromLocalFile-boolean-boolean-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">copyFromLocalFile</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#createPathHandle-org.apache.hadoop.fs.FileStatus-org.apache.hadoop.fs.Options.HandleOpt...-">createPathHandle</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#createSnapshot-org.apache.hadoop.fs.Path-java.lang.String-">createSnapshot</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#createSymlink-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-boolean-">createSymlink</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#deleteSnapshot-org.apache.hadoop.fs.Path-java.lang.String-">deleteSnapshot</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getAclStatus-org.apache.hadoop.fs.Path-">getAclStatus</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getAllStoragePolicies--">getAllStoragePolicies</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getCanonicalUri--">getCanonicalUri</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getChildFileSystems--">getChildFileSystems</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getConf--">getConf</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getDefaultBlockSize--">getDefaultBlockSize</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getDefaultBlockSize-org.apache.hadoop.fs.Path-">getDefaultBlockSize</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getDefaultReplication--">getDefaultReplication</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getDefaultReplication-org.apache.hadoop.fs.Path-">getDefaultReplication</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getFileBlockLocations-org.apache.hadoop.fs.FileStatus-long-long-">getFileBlockLocations</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getFileChecksum-org.apache.hadoop.fs.Path-">getFileChecksum</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getFileChecksum-org.apache.hadoop.fs.Path-long-">getFileChecksum</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getFileLinkStatus-org.apache.hadoop.fs.Path-">getFileLinkStatus</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getFileStatus-org.apache.hadoop.fs.Path-">getFileStatus</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getHomeDirectory--">getHomeDirectory</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getInitialWorkingDirectory--">getInitialWorkingDirectory</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getLinkTarget-org.apache.hadoop.fs.Path-">getLinkTarget</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getServerDefaults--">getServerDefaults</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getServerDefaults-org.apache.hadoop.fs.Path-">getServerDefaults</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getStatus-org.apache.hadoop.fs.Path-">getStatus</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getStoragePolicy-org.apache.hadoop.fs.Path-">getStoragePolicy</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getTrashRoot-org.apache.hadoop.fs.Path-">getTrashRoot</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getTrashRoots-boolean-">getTrashRoots</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getUri--">getUri</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getUsed--">getUsed</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getUsed-org.apache.hadoop.fs.Path-">getUsed</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getWorkingDirectory--">getWorkingDirectory</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getXAttr-org.apache.hadoop.fs.Path-java.lang.String-">getXAttr</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getXAttrs-org.apache.hadoop.fs.Path-">getXAttrs</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getXAttrs-org.apache.hadoop.fs.Path-java.util.List-">getXAttrs</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#initialize-java.net.URI-org.apache.hadoop.conf.Configuration-">initialize</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#listCorruptFileBlocks-org.apache.hadoop.fs.Path-">listCorruptFileBlocks</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#listLocatedStatus-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.PathFilter-">listLocatedStatus</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#listXAttrs-org.apache.hadoop.fs.Path-">listXAttrs</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#makeQualified-org.apache.hadoop.fs.Path-">makeQualified</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#mkdirs-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-">mkdirs</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#msync--">msync</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#open-org.apache.hadoop.fs.PathHandle-int-">open</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#openFile-org.apache.hadoop.fs.PathHandle-">openFile</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#openFileWithOptions-org.apache.hadoop.fs.PathHandle-org.apache.hadoop.fs.impl.OpenFileParameters-">openFileWithOptions</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#primitiveCreate-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-java.util.EnumSet-int-short-long-org.apache.hadoop.util.Progressable-org.apache.hadoop.fs.Options.ChecksumOpt-">primitiveCreate</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#primitiveMkdir-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-">primitiveMkdir</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#removeXAttr-org.apache.hadoop.fs.Path-java.lang.String-">removeXAttr</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#rename-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Options.Rename...-">rename</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#renameSnapshot-org.apache.hadoop.fs.Path-java.lang.String-java.lang.String-">renameSnapshot</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#resolveLink-org.apache.hadoop.fs.Path-">resolveLink</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#resolvePath-org.apache.hadoop.fs.Path-">resolvePath</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#satisfyStoragePolicy-org.apache.hadoop.fs.Path-">satisfyStoragePolicy</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#setStoragePolicy-org.apache.hadoop.fs.Path-java.lang.String-">setStoragePolicy</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#setTimes-org.apache.hadoop.fs.Path-long-long-">setTimes</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#setWorkingDirectory-org.apache.hadoop.fs.Path-">setWorkingDirectory</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#setXAttr-org.apache.hadoop.fs.Path-java.lang.String-byte:A-">setXAttr</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#setXAttr-org.apache.hadoop.fs.Path-java.lang.String-byte:A-java.util.EnumSet-">setXAttr</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#supportsSymlinks--">supportsSymlinks</a>, <a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#unsetStoragePolicy-org.apache.hadoop.fs.Path-">unsetStoragePolicy</a></code></li>
</ul>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.org.apache.hadoop.fs.FileSystem">
<!-- -->
</a>
<h3>Methods inherited from class&nbsp;org.apache.hadoop.fs.<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a></h3>
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href="../../../../org/apache/hadoop/fs/FileSystem.html#open-org.apache.hadoop.fs.PathHandle-">open</a>, <a href="../../../../org/apache/hadoop/fs/FileSystem.html#primitiveMkdir-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-boolean-">primitiveMkdir</a>, <a href="../../../../org/apache/hadoop/fs/FileSystem.html#printStatistics--">printStatistics</a>, <a href="../../../../org/apache/hadoop/fs/FileSystem.html#processDeleteOnExit--">processDeleteOnExit</a>, <a href="../../../../org/apache/hadoop/fs/FileSystem.html#setDefaultUri-org.apache.hadoop.conf.Configuration-java.lang.String-">setDefaultUri</a>, <a href="../../../../org/apache/hadoop/fs/FileSystem.html#setDefaultUri-org.apache.hadoop.conf.Configuration-java.net.URI-">setDefaultUri</a>, <a href="../../../../org/apache/hadoop/fs/FileSystem.html#setQuota-org.apache.hadoop.fs.Path-long-long-">setQuota</a>, <a 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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h3>Methods inherited from interface&nbsp;org.apache.hadoop.security.token.DelegationTokenIssuer</h3>
<code>addDelegationTokens, getAdditionalTokenIssuers, getDelegationToken</code></li>
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<li class="blockList"><a name="constructor.detail">
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<h3>Constructor Detail</h3>
<a name="ChecksumFileSystem-org.apache.hadoop.fs.FileSystem-">
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<h4>ChecksumFileSystem</h4>
<pre>public&nbsp;ChecksumFileSystem(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a>&nbsp;fs)</pre>
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<h3>Method Detail</h3>
<a name="getApproxChkSumLength-long-">
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<h4>getApproxChkSumLength</h4>
<pre>public static&nbsp;double&nbsp;getApproxChkSumLength(long&nbsp;size)</pre>
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<a name="setConf-org.apache.hadoop.conf.Configuration-">
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<h4>setConf</h4>
<pre>public&nbsp;void&nbsp;setConf(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/hadoop/conf/Configurable.html#setConf-org.apache.hadoop.conf.Configuration-">Configurable</a></code></span></div>
<div class="block">Set the configuration to be used by this object.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/conf/Configurable.html#setConf-org.apache.hadoop.conf.Configuration-">setConf</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/hadoop/conf/Configurable.html" title="interface in org.apache.hadoop.conf">Configurable</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/conf/Configured.html#setConf-org.apache.hadoop.conf.Configuration-">setConf</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/conf/Configured.html" title="class in org.apache.hadoop.conf">Configured</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - configuration to be used</dd>
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<h4>setVerifyChecksum</h4>
<pre>public&nbsp;void&nbsp;setVerifyChecksum(boolean&nbsp;verifyChecksum)</pre>
<div class="block">Set whether to verify checksum.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#setVerifyChecksum-boolean-">setVerifyChecksum</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>verifyChecksum</code> - Verify checksum flag</dd>
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<h4>setWriteChecksum</h4>
<pre>public&nbsp;void&nbsp;setWriteChecksum(boolean&nbsp;writeChecksum)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#setWriteChecksum-boolean-">FileSystem</a></code></span></div>
<div class="block">Set the write checksum flag. This is only applicable if the
corresponding filesystem supports checksums.
By default doesn't do anything.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#setWriteChecksum-boolean-">setWriteChecksum</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>writeChecksum</code> - Write checksum flag</dd>
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<h4>getRawFileSystem</h4>
<pre>public&nbsp;<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a>&nbsp;getRawFileSystem()</pre>
<div class="block">get the raw file system</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#getRawFileSystem--">getRawFileSystem</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>FileSystem being filtered</dd>
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<a name="getChecksumFile-org.apache.hadoop.fs.Path-">
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<h4>getChecksumFile</h4>
<pre>public&nbsp;<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;getChecksumFile(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;file)</pre>
<div class="block">Return the name of the checksum file associated with a file.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>file</code> - the file path.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>name of the checksum file associated with a file.</dd>
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<a name="isChecksumFile-org.apache.hadoop.fs.Path-">
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<h4>isChecksumFile</h4>
<pre>public static&nbsp;boolean&nbsp;isChecksumFile(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;file)</pre>
<div class="block">Return true if file is a checksum file name.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>file</code> - the file path.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>if file is a checksum file true, not false.</dd>
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<h4>getChecksumFileLength</h4>
<pre>public&nbsp;long&nbsp;getChecksumFileLength(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;file,
long&nbsp;fileSize)</pre>
<div class="block">Return the length of the checksum file given the size of the
actual file.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>file</code> - the file path.</dd>
<dd><code>fileSize</code> - file size.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>checksum length.</dd>
</dl>
</li>
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<a name="getBytesPerSum--">
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<h4>getBytesPerSum</h4>
<pre>public&nbsp;int&nbsp;getBytesPerSum()</pre>
<div class="block">Return the bytes Per Checksum.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>bytes per check sum.</dd>
</dl>
</li>
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<a name="open-org.apache.hadoop.fs.Path-int-">
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<h4>open</h4>
<pre>public&nbsp;<a href="../../../../org/apache/hadoop/fs/FSDataInputStream.html" title="class in org.apache.hadoop.fs">FSDataInputStream</a>&nbsp;open(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
int&nbsp;bufferSize)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Opens an FSDataInputStream at the indicated Path.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#open-org.apache.hadoop.fs.Path-int-">open</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - the file name to open</dd>
<dd><code>bufferSize</code> - the size of the buffer to be used.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>input stream.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs.</dd>
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<a name="append-org.apache.hadoop.fs.Path-int-org.apache.hadoop.util.Progressable-">
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<h4>append</h4>
<pre>public&nbsp;<a href="../../../../org/apache/hadoop/fs/FSDataOutputStream.html" title="class in org.apache.hadoop.fs">FSDataOutputStream</a>&nbsp;append(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
int&nbsp;bufferSize,
<a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;progress)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#append-org.apache.hadoop.fs.Path-int-org.apache.hadoop.util.Progressable-">FileSystem</a></code></span></div>
<div class="block">Append to an existing file (optional operation).</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#append-org.apache.hadoop.fs.Path-int-org.apache.hadoop.util.Progressable-">append</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - the existing file to be appended.</dd>
<dd><code>bufferSize</code> - the size of the buffer to be used.</dd>
<dd><code>progress</code> - for reporting progress if it is not null.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>output stream.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IO failure</dd>
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<h4>truncate</h4>
<pre>public&nbsp;boolean&nbsp;truncate(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
long&nbsp;newLength)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#truncate-org.apache.hadoop.fs.Path-long-">FileSystem</a></code></span></div>
<div class="block">Truncate the file in the indicated path to the indicated size.
<ul>
<li>Fails if path is a directory.</li>
<li>Fails if path does not exist.</li>
<li>Fails if path is not closed.</li>
<li>Fails if new size is greater than current size.</li>
</ul></div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#truncate-org.apache.hadoop.fs.Path-long-">truncate</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - The path to the file to be truncated</dd>
<dd><code>newLength</code> - The size the file is to be truncated to</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>true</code> if the file has been truncated to the desired
<code>newLength</code> and is immediately available to be reused for
write operations such as <code>append</code>, or
<code>false</code> if a background process of adjusting the length of
the last block has been started, and clients should wait for it to
complete before proceeding with further file updates.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IO failure</dd>
</dl>
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<h4>concat</h4>
<pre>public&nbsp;void&nbsp;concat(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]&nbsp;psrcs)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#concat-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path:A-">FileSystem</a></code></span></div>
<div class="block">Concat existing files together.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#concat-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path:A-">concat</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - the path to the target destination.</dd>
<dd><code>psrcs</code> - the paths to the sources to use for the concatenation.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IO failure</dd>
</dl>
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<h4>getChecksumLength</h4>
<pre>public static&nbsp;long&nbsp;getChecksumLength(long&nbsp;size,
int&nbsp;bytesPerSum)</pre>
<div class="block">Calculated the length of the checksum file in bytes.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>size</code> - the length of the data file in bytes</dd>
<dd><code>bytesPerSum</code> - the number of bytes in a checksum block</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of bytes in the checksum file</dd>
</dl>
</li>
</ul>
<a name="create-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-boolean-int-short-long-org.apache.hadoop.util.Progressable-">
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<h4>create</h4>
<pre>public&nbsp;<a href="../../../../org/apache/hadoop/fs/FSDataOutputStream.html" title="class in org.apache.hadoop.fs">FSDataOutputStream</a>&nbsp;create(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
<a href="../../../../org/apache/hadoop/fs/permission/FsPermission.html" title="class in org.apache.hadoop.fs.permission">FsPermission</a>&nbsp;permission,
boolean&nbsp;overwrite,
int&nbsp;bufferSize,
short&nbsp;replication,
long&nbsp;blockSize,
<a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;progress)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#create-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-boolean-int-short-long-org.apache.hadoop.util.Progressable-">FileSystem</a></code></span></div>
<div class="block">Create an FSDataOutputStream at the indicated Path with write-progress
reporting.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#create-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-boolean-int-short-long-org.apache.hadoop.util.Progressable-">create</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - the file name to open</dd>
<dd><code>permission</code> - file permission</dd>
<dd><code>overwrite</code> - if a file with this name already exists, then if true,
the file will be overwritten, and if false an error will be thrown.</dd>
<dd><code>bufferSize</code> - the size of the buffer to be used.</dd>
<dd><code>replication</code> - required block replication for the file.</dd>
<dd><code>blockSize</code> - block size</dd>
<dd><code>progress</code> - the progress reporter</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>output stream.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IO failure</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../org/apache/hadoop/fs/FileSystem.html#setPermission-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-"><code>FileSystem.setPermission(Path, FsPermission)</code></a></dd>
</dl>
</li>
</ul>
<a name="createNonRecursive-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-boolean-int-short-long-org.apache.hadoop.util.Progressable-">
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<h4>createNonRecursive</h4>
<pre>public&nbsp;<a href="../../../../org/apache/hadoop/fs/FSDataOutputStream.html" title="class in org.apache.hadoop.fs">FSDataOutputStream</a>&nbsp;createNonRecursive(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
<a href="../../../../org/apache/hadoop/fs/permission/FsPermission.html" title="class in org.apache.hadoop.fs.permission">FsPermission</a>&nbsp;permission,
boolean&nbsp;overwrite,
int&nbsp;bufferSize,
short&nbsp;replication,
long&nbsp;blockSize,
<a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;progress)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#createNonRecursive-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-boolean-int-short-long-org.apache.hadoop.util.Progressable-">FileSystem</a></code></span></div>
<div class="block">Opens an FSDataOutputStream at the indicated Path with write-progress
reporting. Same as create(), except fails if parent directory doesn't
already exist.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#createNonRecursive-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-boolean-int-short-long-org.apache.hadoop.util.Progressable-">createNonRecursive</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - the file name to open</dd>
<dd><code>permission</code> - file permission</dd>
<dd><code>overwrite</code> - if a file with this name already exists, then if true,
the file will be overwritten, and if false an error will be thrown.</dd>
<dd><code>bufferSize</code> - the size of the buffer to be used.</dd>
<dd><code>replication</code> - required block replication for the file.</dd>
<dd><code>blockSize</code> - block size</dd>
<dd><code>progress</code> - the progress reporter</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>output stream.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IO failure</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../org/apache/hadoop/fs/FileSystem.html#setPermission-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-"><code>FileSystem.setPermission(Path, FsPermission)</code></a></dd>
</dl>
</li>
</ul>
<a name="create-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-java.util.EnumSet-int-short-long-org.apache.hadoop.util.Progressable-org.apache.hadoop.fs.Options.ChecksumOpt-">
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<h4>create</h4>
<pre>public&nbsp;<a href="../../../../org/apache/hadoop/fs/FSDataOutputStream.html" title="class in org.apache.hadoop.fs">FSDataOutputStream</a>&nbsp;create(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
<a href="../../../../org/apache/hadoop/fs/permission/FsPermission.html" title="class in org.apache.hadoop.fs.permission">FsPermission</a>&nbsp;permission,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/EnumSet.html?is-external=true" title="class or interface in java.util">EnumSet</a>&lt;<a href="../../../../org/apache/hadoop/fs/CreateFlag.html" title="enum in org.apache.hadoop.fs">CreateFlag</a>&gt;&nbsp;flags,
int&nbsp;bufferSize,
short&nbsp;replication,
long&nbsp;blockSize,
<a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;progress,
org.apache.hadoop.fs.Options.ChecksumOpt&nbsp;checksumOpt)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#create-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-java.util.EnumSet-int-short-long-org.apache.hadoop.util.Progressable-org.apache.hadoop.fs.Options.ChecksumOpt-">FileSystem</a></code></span></div>
<div class="block">Create an FSDataOutputStream at the indicated Path with a custom
checksum option.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#create-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-java.util.EnumSet-int-short-long-org.apache.hadoop.util.Progressable-org.apache.hadoop.fs.Options.ChecksumOpt-">create</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - the file name to open</dd>
<dd><code>permission</code> - file permission</dd>
<dd><code>flags</code> - <a href="../../../../org/apache/hadoop/fs/CreateFlag.html" title="enum in org.apache.hadoop.fs"><code>CreateFlag</code></a>s to use for this stream.</dd>
<dd><code>bufferSize</code> - the size of the buffer to be used.</dd>
<dd><code>replication</code> - required block replication for the file.</dd>
<dd><code>blockSize</code> - block size</dd>
<dd><code>progress</code> - the progress reporter</dd>
<dd><code>checksumOpt</code> - checksum parameter. If null, the values
found in conf will be used.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>output stream.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IO failure</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../org/apache/hadoop/fs/FileSystem.html#setPermission-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-"><code>FileSystem.setPermission(Path, FsPermission)</code></a></dd>
</dl>
</li>
</ul>
<a name="createNonRecursive-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-java.util.EnumSet-int-short-long-org.apache.hadoop.util.Progressable-">
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<h4>createNonRecursive</h4>
<pre>public&nbsp;<a href="../../../../org/apache/hadoop/fs/FSDataOutputStream.html" title="class in org.apache.hadoop.fs">FSDataOutputStream</a>&nbsp;createNonRecursive(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
<a href="../../../../org/apache/hadoop/fs/permission/FsPermission.html" title="class in org.apache.hadoop.fs.permission">FsPermission</a>&nbsp;permission,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/EnumSet.html?is-external=true" title="class or interface in java.util">EnumSet</a>&lt;<a href="../../../../org/apache/hadoop/fs/CreateFlag.html" title="enum in org.apache.hadoop.fs">CreateFlag</a>&gt;&nbsp;flags,
int&nbsp;bufferSize,
short&nbsp;replication,
long&nbsp;blockSize,
<a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;progress)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#createNonRecursive-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-java.util.EnumSet-int-short-long-org.apache.hadoop.util.Progressable-">FileSystem</a></code></span></div>
<div class="block">Opens an FSDataOutputStream at the indicated Path with write-progress
reporting. Same as create(), except fails if parent directory doesn't
already exist.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#createNonRecursive-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-java.util.EnumSet-int-short-long-org.apache.hadoop.util.Progressable-">createNonRecursive</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - the file name to open</dd>
<dd><code>permission</code> - file permission</dd>
<dd><code>flags</code> - <a href="../../../../org/apache/hadoop/fs/CreateFlag.html" title="enum in org.apache.hadoop.fs"><code>CreateFlag</code></a>s to use for this stream.</dd>
<dd><code>bufferSize</code> - the size of the buffer to be used.</dd>
<dd><code>replication</code> - required block replication for the file.</dd>
<dd><code>blockSize</code> - block size</dd>
<dd><code>progress</code> - the progress reporter</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>output stream.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IO failure</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../org/apache/hadoop/fs/FileSystem.html#setPermission-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-"><code>FileSystem.setPermission(Path, FsPermission)</code></a></dd>
</dl>
</li>
</ul>
<a name="setPermission-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-">
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<h4>setPermission</h4>
<pre>public&nbsp;void&nbsp;setPermission(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="../../../../org/apache/hadoop/fs/permission/FsPermission.html" title="class in org.apache.hadoop.fs.permission">FsPermission</a>&nbsp;permission)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#setPermission-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-">FileSystem</a></code></span></div>
<div class="block">Set permission of a path.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#setPermission-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-">setPermission</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>src</code> - The path</dd>
<dd><code>permission</code> - permission</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IO failure</dd>
</dl>
</li>
</ul>
<a name="setOwner-org.apache.hadoop.fs.Path-java.lang.String-java.lang.String-">
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<h4>setOwner</h4>
<pre>public&nbsp;void&nbsp;setOwner(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;username,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;groupname)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#setOwner-org.apache.hadoop.fs.Path-java.lang.String-java.lang.String-">FileSystem</a></code></span></div>
<div class="block">Set owner of a path (i.e. a file or a directory).
The parameters username and groupname cannot both be null.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#setOwner-org.apache.hadoop.fs.Path-java.lang.String-java.lang.String-">setOwner</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>src</code> - The path</dd>
<dd><code>username</code> - If it is null, the original username remains unchanged.</dd>
<dd><code>groupname</code> - If it is null, the original groupname remains unchanged.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IO failure</dd>
</dl>
</li>
</ul>
<a name="setAcl-org.apache.hadoop.fs.Path-java.util.List-">
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<h4>setAcl</h4>
<pre>public&nbsp;void&nbsp;setAcl(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/hadoop/fs/permission/AclEntry.html" title="class in org.apache.hadoop.fs.permission">AclEntry</a>&gt;&nbsp;aclSpec)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#setAcl-org.apache.hadoop.fs.Path-java.util.List-">FileSystem</a></code></span></div>
<div class="block">Fully replaces ACL of files and directories, discarding all existing
entries.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#setAcl-org.apache.hadoop.fs.Path-java.util.List-">setAcl</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>src</code> - Path to modify</dd>
<dd><code>aclSpec</code> - List describing modifications, which must include entries
for user, group, and others for compatibility with permission bits.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an ACL could not be modified</dd>
</dl>
</li>
</ul>
<a name="modifyAclEntries-org.apache.hadoop.fs.Path-java.util.List-">
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<h4>modifyAclEntries</h4>
<pre>public&nbsp;void&nbsp;modifyAclEntries(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/hadoop/fs/permission/AclEntry.html" title="class in org.apache.hadoop.fs.permission">AclEntry</a>&gt;&nbsp;aclSpec)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#modifyAclEntries-org.apache.hadoop.fs.Path-java.util.List-">FileSystem</a></code></span></div>
<div class="block">Modifies ACL entries of files and directories. This method can add new ACL
entries or modify the permissions on existing ACL entries. All existing
ACL entries that are not specified in this call are retained without
changes. (Modifications are merged into the current ACL.)</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#modifyAclEntries-org.apache.hadoop.fs.Path-java.util.List-">modifyAclEntries</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>src</code> - Path to modify</dd>
<dd><code>aclSpec</code> - List&lt;AclEntry&gt; describing modifications</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an ACL could not be modified</dd>
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<h4>removeAcl</h4>
<pre>public&nbsp;void&nbsp;removeAcl(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#removeAcl-org.apache.hadoop.fs.Path-">FileSystem</a></code></span></div>
<div class="block">Removes all but the base ACL entries of files and directories. The entries
for user, group, and others are retained for compatibility with permission
bits.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#removeAcl-org.apache.hadoop.fs.Path-">removeAcl</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>src</code> - Path to modify</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an ACL could not be removed</dd>
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<pre>public&nbsp;void&nbsp;removeAclEntries(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/hadoop/fs/permission/AclEntry.html" title="class in org.apache.hadoop.fs.permission">AclEntry</a>&gt;&nbsp;aclSpec)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#removeAclEntries-org.apache.hadoop.fs.Path-java.util.List-">FileSystem</a></code></span></div>
<div class="block">Removes ACL entries from files and directories. Other ACL entries are
retained.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#removeAclEntries-org.apache.hadoop.fs.Path-java.util.List-">removeAclEntries</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>src</code> - Path to modify</dd>
<dd><code>aclSpec</code> - List describing entries to remove</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an ACL could not be modified</dd>
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<pre>public&nbsp;void&nbsp;removeDefaultAcl(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#removeDefaultAcl-org.apache.hadoop.fs.Path-">FileSystem</a></code></span></div>
<div class="block">Removes all default ACL entries from files and directories.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#removeDefaultAcl-org.apache.hadoop.fs.Path-">removeDefaultAcl</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>src</code> - Path to modify</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an ACL could not be modified</dd>
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<h4>setReplication</h4>
<pre>public&nbsp;boolean&nbsp;setReplication(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
short&nbsp;replication)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Set replication for an existing file.
Implement the abstract <tt>setReplication</tt> of <tt>FileSystem</tt></div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#setReplication-org.apache.hadoop.fs.Path-short-">setReplication</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>src</code> - file name</dd>
<dd><code>replication</code> - new replication</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if successful;
false if file does not exist or is a directory</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs.</dd>
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<h4>rename</h4>
<pre>public&nbsp;boolean&nbsp;rename(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;dst)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Rename files/dirs</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#rename-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">rename</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>src</code> - path to be renamed</dd>
<dd><code>dst</code> - new path after rename</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if rename is successful</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - on failure</dd>
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<h4>delete</h4>
<pre>public&nbsp;boolean&nbsp;delete(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
boolean&nbsp;recursive)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Implement the delete(Path, boolean) in checksum
file system.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#delete-org.apache.hadoop.fs.Path-boolean-">delete</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - the path to delete.</dd>
<dd><code>recursive</code> - if path is a directory and set to
true, the directory is deleted else throws an exception. In
case of a file the recursive can be set to either true or false.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if delete is successful else false.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IO failure</dd>
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<h4>listStatus</h4>
<pre>public&nbsp;<a href="../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</a>[]&nbsp;listStatus(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">List the statuses of the files/directories in the given path if the path is
a directory.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#listStatus-org.apache.hadoop.fs.Path-">listStatus</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - given path</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the statuses of the files/directories in the given path</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs.</dd>
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<h4>listStatusIterator</h4>
<pre>public&nbsp;org.apache.hadoop.fs.RemoteIterator&lt;<a href="../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</a>&gt;&nbsp;listStatusIterator(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;p)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#listStatusIterator-org.apache.hadoop.fs.Path-">FilterFileSystem</a></code></span></div>
<div class="block">Return a remote iterator for listing in a directory</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#listStatusIterator-org.apache.hadoop.fs.Path-">listStatusIterator</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>p</code> - target path</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>remote iterator</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FileNotFoundException.html?is-external=true" title="class or interface in java.io">FileNotFoundException</a></code> - if <code>p</code> does not exist</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if any I/O error occurred</dd>
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<h4>listLocatedStatus</h4>
<pre>public&nbsp;org.apache.hadoop.fs.RemoteIterator&lt;<a href="../../../../org/apache/hadoop/fs/LocatedFileStatus.html" title="class in org.apache.hadoop.fs">LocatedFileStatus</a>&gt;&nbsp;listLocatedStatus(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">List the statuses of the files/directories in the given path if the path is
a directory.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#listLocatedStatus-org.apache.hadoop.fs.Path-">listLocatedStatus</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - given path</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the statuses of the files/directories in the given patch</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs.</dd>
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<h4>mkdirs</h4>
<pre>public&nbsp;boolean&nbsp;mkdirs(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FileSystem.html#mkdirs-org.apache.hadoop.fs.Path-">FileSystem</a></code></span></div>
<div class="block">Call <a href="../../../../org/apache/hadoop/fs/FileSystem.html#mkdirs-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-"><code>FileSystem.mkdirs(Path, FsPermission)</code></a> with default permission.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#mkdirs-org.apache.hadoop.fs.Path-">mkdirs</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - path</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the directory was created</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IO failure</dd>
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<h4>copyFromLocalFile</h4>
<pre>public&nbsp;void&nbsp;copyFromLocalFile(boolean&nbsp;delSrc,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;dst)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#copyFromLocalFile-boolean-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">FilterFileSystem</a></code></span></div>
<div class="block">The src file is on the local disk. Add it to FS at
the given dst name.
delSrc indicates if the source should be removed</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#copyFromLocalFile-boolean-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">copyFromLocalFile</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>delSrc</code> - whether to delete the src</dd>
<dd><code>src</code> - path</dd>
<dd><code>dst</code> - path</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IO failure.</dd>
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<h4>copyToLocalFile</h4>
<pre>public&nbsp;void&nbsp;copyToLocalFile(boolean&nbsp;delSrc,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;dst)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">The src file is under FS, and the dst is on the local disk.
Copy it from FS control to the local dst name.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#copyToLocalFile-boolean-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">copyToLocalFile</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>delSrc</code> - whether to delete the src</dd>
<dd><code>src</code> - path src file in the remote filesystem</dd>
<dd><code>dst</code> - path local destination</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IO failure</dd>
</dl>
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<h4>copyToLocalFile</h4>
<pre>public&nbsp;void&nbsp;copyToLocalFile(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;src,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;dst,
boolean&nbsp;copyCrc)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">The src file is under FS, and the dst is on the local disk.
Copy it from FS control to the local dst name.
If src and dst are directories, the copyCrc parameter
determines whether to copy CRC files.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>src</code> - src path.</dd>
<dd><code>dst</code> - dst path.</dd>
<dd><code>copyCrc</code> - copy csc flag.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs.</dd>
</dl>
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<h4>startLocalOutput</h4>
<pre>public&nbsp;<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;startLocalOutput(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;fsOutputFile,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;tmpLocalFile)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#startLocalOutput-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">FilterFileSystem</a></code></span></div>
<div class="block">Returns a local File that the user can write output to. The caller
provides both the eventual FS target name and the local working
file. If the FS is local, we write directly into the target. If
the FS is remote, we write into the tmp local area.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#startLocalOutput-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">startLocalOutput</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>fsOutputFile</code> - path of output file</dd>
<dd><code>tmpLocalFile</code> - path of local tmp file</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the path.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IO failure</dd>
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<h4>completeLocalOutput</h4>
<pre>public&nbsp;void&nbsp;completeLocalOutput(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;fsOutputFile,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;tmpLocalFile)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#completeLocalOutput-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">FilterFileSystem</a></code></span></div>
<div class="block">Called when we're all done writing to the target. A local FS will
do nothing, because we've written to exactly the right place. A remote
FS will copy the contents of tmpLocalFile to the correct target at
fsOutputFile.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#completeLocalOutput-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">completeLocalOutput</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>fsOutputFile</code> - path of output file</dd>
<dd><code>tmpLocalFile</code> - path to local tmp file</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IO failure</dd>
</dl>
</li>
</ul>
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<h4>reportChecksumFailure</h4>
<pre>public&nbsp;boolean&nbsp;reportChecksumFailure(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;f,
<a href="../../../../org/apache/hadoop/fs/FSDataInputStream.html" title="class in org.apache.hadoop.fs">FSDataInputStream</a>&nbsp;in,
long&nbsp;inPos,
<a href="../../../../org/apache/hadoop/fs/FSDataInputStream.html" title="class in org.apache.hadoop.fs">FSDataInputStream</a>&nbsp;sums,
long&nbsp;sumsPos)</pre>
<div class="block">Report a checksum error to the file system.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - the file name containing the error</dd>
<dd><code>in</code> - the stream open on the file</dd>
<dd><code>inPos</code> - the position of the beginning of the bad data in the file</dd>
<dd><code>sums</code> - the stream open on the checksum file</dd>
<dd><code>sumsPos</code> - the position of the beginning of the bad data in the checksum file</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>if retry is necessary</dd>
</dl>
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</ul>
<a name="openFile-org.apache.hadoop.fs.Path-">
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<h4>openFile</h4>
<pre>public&nbsp;<a href="../../../../org/apache/hadoop/fs/FutureDataInputStreamBuilder.html" title="interface in org.apache.hadoop.fs">FutureDataInputStreamBuilder</a>&nbsp;openFile(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;path)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang">UnsupportedOperationException</a></pre>
<div class="block">This is overridden to ensure that this class's
<a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#openFileWithOptions-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.impl.OpenFileParameters-"><code>openFileWithOptions(org.apache.hadoop.fs.Path, org.apache.hadoop.fs.impl.OpenFileParameters)</code></a>() method is called, and so ultimately
its <a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#open-org.apache.hadoop.fs.Path-int-"><code>open(Path, int)</code></a>.
Open a file for reading through a builder API.
Ultimately calls <a href="../../../../org/apache/hadoop/fs/FileSystem.html#open-org.apache.hadoop.fs.Path-int-"><code>FileSystem.open(Path, int)</code></a> unless a subclass
executes the open command differently.
The semantics of this call are therefore the same as that of
<a href="../../../../org/apache/hadoop/fs/FileSystem.html#open-org.apache.hadoop.fs.Path-int-"><code>FileSystem.open(Path, int)</code></a> with one special point: it is in
<code>FSDataInputStreamBuilder.build()</code> in which the open operation
takes place -it is there where all preconditions to the operation
are checked.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#openFile-org.apache.hadoop.fs.Path-">openFile</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>path</code> - file path</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a FSDataInputStreamBuilder object to build the input stream</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if some early checks cause IO failures.</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang">UnsupportedOperationException</a></code> - if support is checked early.</dd>
</dl>
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<h4>openFileWithOptions</h4>
<pre>protected&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CompletableFuture.html?is-external=true" title="class or interface in java.util.concurrent">CompletableFuture</a>&lt;<a href="../../../../org/apache/hadoop/fs/FSDataInputStream.html" title="class in org.apache.hadoop.fs">FSDataInputStream</a>&gt;&nbsp;openFileWithOptions(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;path,
org.apache.hadoop.fs.impl.OpenFileParameters&nbsp;parameters)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Open the file as a blocking call to <a href="../../../../org/apache/hadoop/fs/ChecksumFileSystem.html#open-org.apache.hadoop.fs.Path-int-"><code>open(Path, int)</code></a>.
Execute the actual open file operation.
This is invoked from <code>FSDataInputStreamBuilder.build()</code>
and from <code>DelegateToFileSystem</code> and is where
the action of opening the file should begin.
The base implementation performs a blocking
call to <a href="../../../../org/apache/hadoop/fs/FileSystem.html#open-org.apache.hadoop.fs.Path-int-"><code>FileSystem.open(Path, int)</code></a> in this call;
the actual outcome is in the returned <code>CompletableFuture</code>.
This avoids having to create some thread pool, while still
setting up the expectation that the <code>get()</code> call
is needed to evaluate the result.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#openFileWithOptions-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.impl.OpenFileParameters-">openFileWithOptions</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>path</code> - path to the file</dd>
<dd><code>parameters</code> - open file parameters from the builder.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a future which will evaluate to the opened file.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - failure to resolve the link.</dd>
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<h4>createFile</h4>
<pre>public&nbsp;<a href="../../../../org/apache/hadoop/fs/FSDataOutputStreamBuilder.html" title="class in org.apache.hadoop.fs">FSDataOutputStreamBuilder</a>&nbsp;createFile(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;path)</pre>
<div class="block">This is overridden to ensure that this class's create() method is
ultimately called.
Create a new FSDataOutputStreamBuilder for the file with path.
Files are overwritten by default.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#createFile-org.apache.hadoop.fs.Path-">createFile</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>path</code> - file path</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a FSDataOutputStreamBuilder object to build the file
HADOOP-14384. Temporarily reduce the visibility of method before the
builder interface becomes stable.</dd>
</dl>
</li>
</ul>
<a name="appendFile-org.apache.hadoop.fs.Path-">
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<h4>appendFile</h4>
<pre>public&nbsp;<a href="../../../../org/apache/hadoop/fs/FSDataOutputStreamBuilder.html" title="class in org.apache.hadoop.fs">FSDataOutputStreamBuilder</a>&nbsp;appendFile(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;path)</pre>
<div class="block">This is overridden to ensure that this class's create() method is
ultimately called.
Create a Builder to append a file.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#appendFile-org.apache.hadoop.fs.Path-">appendFile</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>path</code> - file path.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a <a href="../../../../org/apache/hadoop/fs/FSDataOutputStreamBuilder.html" title="class in org.apache.hadoop.fs"><code>FSDataOutputStreamBuilder</code></a> to build file append request.</dd>
</dl>
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<h4>hasPathCapability</h4>
<pre>public&nbsp;boolean&nbsp;hasPathCapability(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;path,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;capability)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Disable those operations which the checksummed FS blocks.
The base FileSystem implementation generally has no knowledge
of the capabilities of actual implementations.
Unless it has a way to explicitly determine the capabilities,
this method returns false.
Probe for a specific capability under the given path.
If the function returns <code>true</code>, this instance is explicitly
declaring that the capability is available.
If the function returns <code>false</code>, it can mean one of:
<ul>
<li>The capability is not known.</li>
<li>The capability is known but it is not supported.</li>
<li>The capability is known but the filesystem does not know if it
is supported under the supplied path.</li>
</ul>
The core guarantee which a caller can rely on is: if the predicate
returns true, then the specific operation/behavior can be expected to be
supported. However a specific call may be rejected for permission reasons,
the actual file/directory not being present, or some other failure during
the attempted execution of the operation.
<p>
Implementors: <code>PathCapabilitiesSupport</code>
can be used to help implement this method.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>hasPathCapability</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.fs.PathCapabilities</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html#hasPathCapability-org.apache.hadoop.fs.Path-java.lang.String-">hasPathCapability</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/hadoop/fs/FilterFileSystem.html" title="class in org.apache.hadoop.fs">FilterFileSystem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>path</code> - path to query the capability of.</dd>
<dd><code>capability</code> - non-null, non-empty string to query the path for support.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the capability is supported under that part of the FS.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - this should not be raised, except on problems
resolving paths or relaying the call.</dd>
</dl>
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