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<h1 title="Uses of Package org.apache.hadoop.fs" class="title">Uses of Package<br>org.apache.hadoop.fs</h1>
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<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing packages, and an explanation">
<caption><span>Packages that use <a href="../../../../org/apache/hadoop/fs/package-summary.html">org.apache.hadoop.fs</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Package</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.conf">org.apache.hadoop.conf</a></td>
<td class="colLast">
<div class="block">Configuration of system parameters.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.fs">org.apache.hadoop.fs</a></td>
<td class="colLast">
<div class="block">An abstract file system API.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.fs.crypto">org.apache.hadoop.fs.crypto</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.fs.ftp">org.apache.hadoop.fs.ftp</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.fs.http">org.apache.hadoop.fs.http</a></td>
<td class="colLast">
<div class="block">Filesystem implementations that allow Hadoop to read directly from
HTTP / HTTPS endpoints.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.fs.impl">org.apache.hadoop.fs.impl</a></td>
<td class="colLast">
<div class="block">This package contains implementation classes for use inside
filesystems.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.fs.protocolPB">org.apache.hadoop.fs.protocolPB</a></td>
<td class="colLast">
<div class="block">Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.fs.sftp">org.apache.hadoop.fs.sftp</a></td>
<td class="colLast">
<div class="block">SFTP FileSystem package.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.fs.shell.find">org.apache.hadoop.fs.shell.find</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.fs.statistics">org.apache.hadoop.fs.statistics</a></td>
<td class="colLast">
<div class="block">This package contains support for statistic collection and reporting.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.fs.statistics.impl">org.apache.hadoop.fs.statistics.impl</a></td>
<td class="colLast">
<div class="block">Implementation support for statistics.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.fs.store">org.apache.hadoop.fs.store</a></td>
<td class="colLast">
<div class="block">This package is for classes to be shared across object stores; for internal
use within the hadoop-* modules only.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.fs.viewfs">org.apache.hadoop.fs.viewfs</a></td>
<td class="colLast">
<div class="block">ViewFileSystem and ViewFileSystemOverloadScheme classes.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.io">org.apache.hadoop.io</a></td>
<td class="colLast">
<div class="block">Generic i/o code for use when reading and writing data to the network,
to databases, and to files.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.io.compress">org.apache.hadoop.io.compress</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.io.file.tfile">org.apache.hadoop.io.file.tfile</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.metrics2.sink">org.apache.hadoop.metrics2.sink</a></td>
<td class="colLast">
<div class="block">Builtin metrics sinks</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.security">org.apache.hadoop.security</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.util">org.apache.hadoop.util</a></td>
<td class="colLast">
<div class="block">Common utilities.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.util.functional">org.apache.hadoop.util.functional</a></td>
<td class="colLast">
<div class="block">Support for functional programming within the Hadoop APIs.</div>
</td>
</tr>
</tbody>
</table>
</li>
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<caption><span>Classes in <a href="../../../../org/apache/hadoop/fs/package-summary.html">org.apache.hadoop.fs</a> used by <a href="../../../../org/apache/hadoop/conf/package-summary.html">org.apache.hadoop.conf</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Path.html#org.apache.hadoop.conf">Path</a>
<div class="block">Names a file or directory in a <a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs"><code>FileSystem</code></a>.</div>
</td>
</tr>
</tbody>
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<caption><span>Classes in <a href="../../../../org/apache/hadoop/fs/package-summary.html">org.apache.hadoop.fs</a> used by <a href="../../../../org/apache/hadoop/fs/package-summary.html">org.apache.hadoop.fs</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Abortable.html#org.apache.hadoop.fs">Abortable</a>
<div class="block">Abort data being written to a stream, so that close() does
not write the data.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Abortable.AbortableResult.html#org.apache.hadoop.fs">Abortable.AbortableResult</a>
<div class="block">Interface for the result of aborts; allows subclasses to extend
(IOStatistics etc) or for future enhancements if ever needed.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/AbstractFileSystem.html#org.apache.hadoop.fs">AbstractFileSystem</a>
<div class="block">This class provides an interface for implementors of a Hadoop file system
(analogous to the VFS of Unix).</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/BatchedRemoteIterator.BatchedEntries.html#org.apache.hadoop.fs">BatchedRemoteIterator.BatchedEntries</a>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/BlockLocation.html#org.apache.hadoop.fs">BlockLocation</a>
<div class="block">Represents the network location of a block, information about the hosts
that contain block replicas, and other block metadata (E.g.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/BlockStoragePolicySpi.html#org.apache.hadoop.fs">BlockStoragePolicySpi</a>
<div class="block">A storage policy specifies the placement of block replicas on specific
storage types.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/ByteBufferPositionedReadable.html#org.apache.hadoop.fs">ByteBufferPositionedReadable</a>
<div class="block">Implementers of this interface provide a positioned read API that writes to a
<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio"><code>ByteBuffer</code></a> rather than a <code>byte[]</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/ByteBufferReadable.html#org.apache.hadoop.fs">ByteBufferReadable</a>
<div class="block">Implementers of this interface provide a read API that writes to a
ByteBuffer, not a byte[].</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/CanSetDropBehind.html#org.apache.hadoop.fs">CanSetDropBehind</a>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/CanSetReadahead.html#org.apache.hadoop.fs">CanSetReadahead</a>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/CanUnbuffer.html#org.apache.hadoop.fs">CanUnbuffer</a>
<div class="block">FSDataInputStreams implement this interface to indicate that they can clear
their buffers on request.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/ChecksumFileSystem.html#org.apache.hadoop.fs">ChecksumFileSystem</a>
<div class="block">Abstract Checksumed FileSystem.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/ContentSummary.html#org.apache.hadoop.fs">ContentSummary</a>
<div class="block">Store the summary of a content (a directory or a file).</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/ContentSummary.Builder.html#org.apache.hadoop.fs">ContentSummary.Builder</a>
<div class="block">We don't use generics.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/CreateFlag.html#org.apache.hadoop.fs">CreateFlag</a>
<div class="block">CreateFlag specifies the file create semantic.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/DelegationTokenRenewer.Renewable.html#org.apache.hadoop.fs">DelegationTokenRenewer.Renewable</a>
<div class="block">The renewable interface used by the renewer.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FileAlreadyExistsException.html#org.apache.hadoop.fs">FileAlreadyExistsException</a>
<div class="block">Used when target file already exists for any operation and
is not configured to be overwritten.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FileChecksum.html#org.apache.hadoop.fs">FileChecksum</a>
<div class="block">An abstract class representing file checksums for files.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FileContext.html#org.apache.hadoop.fs">FileContext</a>
<div class="block">The FileContext class provides an interface for users of the Hadoop
file system.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FileContext.Util.html#org.apache.hadoop.fs">FileContext.Util</a>
<div class="block">Utility/library methods built over the basic FileContext methods.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FileStatus.html#org.apache.hadoop.fs">FileStatus</a>
<div class="block">Interface that represents the client side information for a file.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FileStatus.AttrFlags.html#org.apache.hadoop.fs">FileStatus.AttrFlags</a>
<div class="block">Flags for entity attributes.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FileSystem.html#org.apache.hadoop.fs">FileSystem</a>
<div class="block">An abstract base class for a fairly generic filesystem.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FileSystem.Statistics.html#org.apache.hadoop.fs">FileSystem.Statistics</a>
<div class="block">Tracks statistics about how many reads, writes, and so forth have been
done in a FileSystem.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FileSystem.Statistics.StatisticsData.html#org.apache.hadoop.fs">FileSystem.Statistics.StatisticsData</a>
<div class="block">Statistics data.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FilterFileSystem.html#org.apache.hadoop.fs">FilterFileSystem</a>
<div class="block">A <code>FilterFileSystem</code> contains
some other file system, which it uses as
its basic file system, possibly transforming
the data along the way or providing additional
functionality.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSBuilder.html#org.apache.hadoop.fs">FSBuilder</a>
<div class="block">The base interface which various FileSystem FileContext Builder
interfaces can extend, and which underlying implementations
will then implement.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSDataInputStream.html#org.apache.hadoop.fs">FSDataInputStream</a>
<div class="block">Utility that wraps a <a href="../../../../org/apache/hadoop/fs/FSInputStream.html" title="class in org.apache.hadoop.fs"><code>FSInputStream</code></a> in a <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true" title="class or interface in java.io"><code>DataInputStream</code></a>
and buffers input through a <a href="https://docs.oracle.com/javase/8/docs/api/java/io/BufferedInputStream.html?is-external=true" title="class or interface in java.io"><code>BufferedInputStream</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSDataOutputStream.html#org.apache.hadoop.fs">FSDataOutputStream</a>
<div class="block">Utility that wraps a <a href="https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io"><code>OutputStream</code></a> in a <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataOutputStream.html?is-external=true" title="class or interface in java.io"><code>DataOutputStream</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSDataOutputStreamBuilder.html#org.apache.hadoop.fs">FSDataOutputStreamBuilder</a>
<div class="block">Builder for <a href="../../../../org/apache/hadoop/fs/FSDataOutputStream.html" title="class in org.apache.hadoop.fs"><code>FSDataOutputStream</code></a> and its subclasses.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSProtos.FileStatusProto.html#org.apache.hadoop.fs">FSProtos.FileStatusProto</a>
<div class="block">
FileStatus encoding.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSProtos.FileStatusProto.Builder.html#org.apache.hadoop.fs">FSProtos.FileStatusProto.Builder</a>
<div class="block">
FileStatus encoding.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSProtos.FileStatusProto.FileType.html#org.apache.hadoop.fs">FSProtos.FileStatusProto.FileType</a>
<div class="block">Protobuf enum <code>hadoop.fs.FileStatusProto.FileType</code></div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSProtos.FileStatusProto.Flags.html#org.apache.hadoop.fs">FSProtos.FileStatusProto.Flags</a>
<div class="block">Protobuf enum <code>hadoop.fs.FileStatusProto.Flags</code></div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSProtos.FileStatusProtoOrBuilder.html#org.apache.hadoop.fs">FSProtos.FileStatusProtoOrBuilder</a>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSProtos.FsPermissionProto.html#org.apache.hadoop.fs">FSProtos.FsPermissionProto</a>
<div class="block">Protobuf type <code>hadoop.fs.FsPermissionProto</code></div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSProtos.FsPermissionProto.Builder.html#org.apache.hadoop.fs">FSProtos.FsPermissionProto.Builder</a>
<div class="block">Protobuf type <code>hadoop.fs.FsPermissionProto</code></div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSProtos.FsPermissionProtoOrBuilder.html#org.apache.hadoop.fs">FSProtos.FsPermissionProtoOrBuilder</a>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSProtos.LocalFileSystemPathHandleProto.html#org.apache.hadoop.fs">FSProtos.LocalFileSystemPathHandleProto</a>
<div class="block">
Placeholder type for consistent basic FileSystem operations.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSProtos.LocalFileSystemPathHandleProto.Builder.html#org.apache.hadoop.fs">FSProtos.LocalFileSystemPathHandleProto.Builder</a>
<div class="block">
Placeholder type for consistent basic FileSystem operations.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSProtos.LocalFileSystemPathHandleProtoOrBuilder.html#org.apache.hadoop.fs">FSProtos.LocalFileSystemPathHandleProtoOrBuilder</a>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FsServerDefaults.html#org.apache.hadoop.fs">FsServerDefaults</a>
<div class="block">Provides server default configuration values to clients.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FsShellPermissions.Chown.html#org.apache.hadoop.fs">FsShellPermissions.Chown</a>
<div class="block">Used to change owner and/or group of files</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FsStatus.html#org.apache.hadoop.fs">FsStatus</a>
<div class="block">This class is used to represent the capacity, free and used space on a
<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs"><code>FileSystem</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FutureDataInputStreamBuilder.html#org.apache.hadoop.fs">FutureDataInputStreamBuilder</a>
<div class="block">Builder for input streams and subclasses whose return value is
actually a completable future: this allows for better asynchronous
operation.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/GetSpaceUsed.html#org.apache.hadoop.fs">GetSpaceUsed</a>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/GetSpaceUsed.Builder.html#org.apache.hadoop.fs">GetSpaceUsed.Builder</a>
<div class="block">The builder class</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/GlobalStorageStatistics.html#org.apache.hadoop.fs">GlobalStorageStatistics</a>
<div class="block">Stores global storage statistics objects.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/GlobalStorageStatistics.StorageStatisticsProvider.html#org.apache.hadoop.fs">GlobalStorageStatistics.StorageStatisticsProvider</a>
<div class="block">A callback API for creating new StorageStatistics instances.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/HardLink.html#org.apache.hadoop.fs">HardLink</a>
<div class="block">Class for creating hardlinks.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/HardLink.LinkStats.html#org.apache.hadoop.fs">HardLink.LinkStats</a>
<div class="block">HardLink statistics counters and methods.</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/InvalidPathHandleException.html#org.apache.hadoop.fs">InvalidPathHandleException</a>
<div class="block">Thrown when the constraints enoded in a <a href="../../../../org/apache/hadoop/fs/PathHandle.html" title="interface in org.apache.hadoop.fs"><code>PathHandle</code></a> do not hold.</div>
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/LocalFileSystem.html#org.apache.hadoop.fs">LocalFileSystem</a>
<div class="block">Implement the FileSystem API for the checksumed local filesystem.</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/LocatedFileStatus.html#org.apache.hadoop.fs">LocatedFileStatus</a>
<div class="block">This class defines a FileStatus that includes a file's block locations.</div>
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/MultipartUploader.html#org.apache.hadoop.fs">MultipartUploader</a>
<div class="block">MultipartUploader is an interface for copying files multipart and across
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/MultipartUploaderBuilder.html#org.apache.hadoop.fs">MultipartUploaderBuilder</a>
<div class="block">Builder interface for Multipart readers.</div>
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Options.ChecksumCombineMode.html#org.apache.hadoop.fs">Options.ChecksumCombineMode</a>
<div class="block">Enum for indicating what mode to use when combining chunk and block
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Options.ChecksumOpt.html#org.apache.hadoop.fs">Options.ChecksumOpt</a>
<div class="block">This is used in FileSystem and FileContext to specify checksum options.</div>
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Options.CreateOpts.html#org.apache.hadoop.fs">Options.CreateOpts</a>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Options.CreateOpts.BlockSize.html#org.apache.hadoop.fs">Options.CreateOpts.BlockSize</a>&nbsp;</td>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Options.CreateOpts.BufferSize.html#org.apache.hadoop.fs">Options.CreateOpts.BufferSize</a>&nbsp;</td>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Options.CreateOpts.BytesPerChecksum.html#org.apache.hadoop.fs">Options.CreateOpts.BytesPerChecksum</a>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Options.CreateOpts.ChecksumParam.html#org.apache.hadoop.fs">Options.CreateOpts.ChecksumParam</a>&nbsp;</td>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Options.CreateOpts.CreateParent.html#org.apache.hadoop.fs">Options.CreateOpts.CreateParent</a>&nbsp;</td>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Options.CreateOpts.Perms.html#org.apache.hadoop.fs">Options.CreateOpts.Perms</a>&nbsp;</td>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Options.CreateOpts.ReplicationFactor.html#org.apache.hadoop.fs">Options.CreateOpts.ReplicationFactor</a>&nbsp;</td>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Options.HandleOpt.html#org.apache.hadoop.fs">Options.HandleOpt</a>
<div class="block">Options for creating <a href="../../../../org/apache/hadoop/fs/PathHandle.html" title="interface in org.apache.hadoop.fs"><code>PathHandle</code></a> references.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Options.HandleOpt.Data.html#org.apache.hadoop.fs">Options.HandleOpt.Data</a>
<div class="block">Option storing standard constraints on data.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Options.HandleOpt.Location.html#org.apache.hadoop.fs">Options.HandleOpt.Location</a>
<div class="block">Option storing standard constraints on location.</div>
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Options.Rename.html#org.apache.hadoop.fs">Options.Rename</a>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/ParentNotDirectoryException.html#org.apache.hadoop.fs">ParentNotDirectoryException</a>
<div class="block">Indicates that the parent of specified Path is not a directory
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/PartHandle.html#org.apache.hadoop.fs">PartHandle</a>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/PartialListing.html#org.apache.hadoop.fs">PartialListing</a>
<div class="block">A partial listing of the children of a parent directory.</div>
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Path.html#org.apache.hadoop.fs">Path</a>
<div class="block">Names a file or directory in a <a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs"><code>FileSystem</code></a>.</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/PathCapabilities.html#org.apache.hadoop.fs">PathCapabilities</a>
<div class="block">The Path counterpoint to <a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html" title="interface in org.apache.hadoop.fs"><code>StreamCapabilities</code></a>; a query to see if,
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/PathExistsException.html#org.apache.hadoop.fs">PathExistsException</a>
<div class="block">Exception corresponding to File Exists - EEXISTS</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/PathFilter.html#org.apache.hadoop.fs">PathFilter</a>&nbsp;</td>
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/PathHandle.html#org.apache.hadoop.fs">PathHandle</a>
<div class="block">Opaque, serializable reference to an entity in the FileSystem.</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/PathIOException.html#org.apache.hadoop.fs">PathIOException</a>
<div class="block">Exceptions based on standard posix/linux style exceptions for path related
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/PositionedReadable.html#org.apache.hadoop.fs">PositionedReadable</a>
<div class="block">Stream that permits positional reading.</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/QuotaUsage.html#org.apache.hadoop.fs">QuotaUsage</a>
<div class="block">Store the quota usage of a directory.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/QuotaUsage.Builder.html#org.apache.hadoop.fs">QuotaUsage.Builder</a>
<div class="block">Builder class for QuotaUsage.</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/ReadOption.html#org.apache.hadoop.fs">ReadOption</a>
<div class="block">Options that can be used when reading from a FileSystem.</div>
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/RemoteIterator.html#org.apache.hadoop.fs">RemoteIterator</a>
<div class="block">An iterator over a collection whose elements need to be fetched remotely</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Seekable.html#org.apache.hadoop.fs">Seekable</a>
<div class="block">Stream that permits seeking.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/StorageStatistics.html#org.apache.hadoop.fs">StorageStatistics</a>
<div class="block">StorageStatistics contains statistics data for a FileSystem or FileContext
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/StorageStatistics.LongStatistic.html#org.apache.hadoop.fs">StorageStatistics.LongStatistic</a>
<div class="block">A 64-bit storage statistic.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/StorageType.html#org.apache.hadoop.fs">StorageType</a>
<div class="block">Defines the types of supported storage media.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/StreamCapabilities.html#org.apache.hadoop.fs">StreamCapabilities</a>
<div class="block">Interface to query streams for supported capabilities.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/StreamCapabilities.StreamCapability.html#org.apache.hadoop.fs">StreamCapabilities.StreamCapability</a>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Syncable.html#org.apache.hadoop.fs">Syncable</a>
<div class="block">This is the interface for flush/sync operations.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/TrashPolicy.html#org.apache.hadoop.fs">TrashPolicy</a>
<div class="block">This interface is used for implementing different Trash policies.</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/UnsupportedFileSystemException.html#org.apache.hadoop.fs">UnsupportedFileSystemException</a>
<div class="block">File system for a given file system name/scheme is not supported</div>
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/UploadHandle.html#org.apache.hadoop.fs">UploadHandle</a>
<div class="block">Opaque, serializable reference to an uploadId for multipart uploads.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/XAttrCodec.html#org.apache.hadoop.fs">XAttrCodec</a>
<div class="block">The value of <code>XAttr</code> is byte[], this class is to
covert byte[] to some kind of string representation or convert back.</div>
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/XAttrSetFlag.html#org.apache.hadoop.fs">XAttrSetFlag</a>&nbsp;</td>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Abortable.html#org.apache.hadoop.fs.crypto">Abortable</a>
<div class="block">Abort data being written to a stream, so that close() does
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/ByteBufferPositionedReadable.html#org.apache.hadoop.fs.crypto">ByteBufferPositionedReadable</a>
<div class="block">Implementers of this interface provide a positioned read API that writes to a
<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio"><code>ByteBuffer</code></a> rather than a <code>byte[]</code>.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/ByteBufferReadable.html#org.apache.hadoop.fs.crypto">ByteBufferReadable</a>
<div class="block">Implementers of this interface provide a read API that writes to a
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/CanSetDropBehind.html#org.apache.hadoop.fs.crypto">CanSetDropBehind</a>&nbsp;</td>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/CanUnbuffer.html#org.apache.hadoop.fs.crypto">CanUnbuffer</a>
<div class="block">FSDataInputStreams implement this interface to indicate that they can clear
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSDataInputStream.html#org.apache.hadoop.fs.crypto">FSDataInputStream</a>
<div class="block">Utility that wraps a <a href="../../../../org/apache/hadoop/fs/FSInputStream.html" title="class in org.apache.hadoop.fs"><code>FSInputStream</code></a> in a <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true" title="class or interface in java.io"><code>DataInputStream</code></a>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSDataOutputStream.html#org.apache.hadoop.fs.crypto">FSDataOutputStream</a>
<div class="block">Utility that wraps a <a href="https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io"><code>OutputStream</code></a> in a <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataOutputStream.html?is-external=true" title="class or interface in java.io"><code>DataOutputStream</code></a>.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/PositionedReadable.html#org.apache.hadoop.fs.crypto">PositionedReadable</a>
<div class="block">Stream that permits positional reading.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Seekable.html#org.apache.hadoop.fs.crypto">Seekable</a>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/StreamCapabilities.html#org.apache.hadoop.fs.crypto">StreamCapabilities</a>
<div class="block">Interface to query streams for supported capabilities.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Syncable.html#org.apache.hadoop.fs.crypto">Syncable</a>
<div class="block">This is the interface for flush/sync operations.</div>
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<th class="colOne" scope="col">Class and Description</th>
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<tbody>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FileStatus.html#org.apache.hadoop.fs.ftp">FileStatus</a>
<div class="block">Interface that represents the client side information for a file.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FileSystem.html#org.apache.hadoop.fs.ftp">FileSystem</a>
<div class="block">An abstract base class for a fairly generic filesystem.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSDataInputStream.html#org.apache.hadoop.fs.ftp">FSDataInputStream</a>
<div class="block">Utility that wraps a <a href="../../../../org/apache/hadoop/fs/FSInputStream.html" title="class in org.apache.hadoop.fs"><code>FSInputStream</code></a> in a <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true" title="class or interface in java.io"><code>DataInputStream</code></a>
and buffers input through a <a href="https://docs.oracle.com/javase/8/docs/api/java/io/BufferedInputStream.html?is-external=true" title="class or interface in java.io"><code>BufferedInputStream</code></a>.</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSDataOutputStream.html#org.apache.hadoop.fs.ftp">FSDataOutputStream</a>
<div class="block">Utility that wraps a <a href="https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io"><code>OutputStream</code></a> in a <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataOutputStream.html?is-external=true" title="class or interface in java.io"><code>DataOutputStream</code></a>.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/Path.html#org.apache.hadoop.fs.ftp">Path</a>
<div class="block">Names a file or directory in a <a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs"><code>FileSystem</code></a>.</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/PathCapabilities.html#org.apache.hadoop.fs.ftp">PathCapabilities</a>
<div class="block">The Path counterpoint to <a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html" title="interface in org.apache.hadoop.fs"><code>StreamCapabilities</code></a>; a query to see if,
a FileSystem/FileContext instance has a specific capability under the given
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<th class="colOne" scope="col">Class and Description</th>
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<tbody>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FileSystem.html#org.apache.hadoop.fs.http">FileSystem</a>
<div class="block">An abstract base class for a fairly generic filesystem.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/PathCapabilities.html#org.apache.hadoop.fs.http">PathCapabilities</a>
<div class="block">The Path counterpoint to <a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html" title="interface in org.apache.hadoop.fs"><code>StreamCapabilities</code></a>; a query to see if,
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<th class="colOne" scope="col">Class and Description</th>
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/AbstractFileSystem.html#org.apache.hadoop.fs.impl">AbstractFileSystem</a>
<div class="block">This class provides an interface for implementors of a Hadoop file system
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/CreateFlag.html#org.apache.hadoop.fs.impl">CreateFlag</a>
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FileContext.html#org.apache.hadoop.fs.impl">FileContext</a>
<div class="block">The FileContext class provides an interface for users of the Hadoop
file system.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FileStatus.html#org.apache.hadoop.fs.impl">FileStatus</a>
<div class="block">Interface that represents the client side information for a file.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FileSystem.html#org.apache.hadoop.fs.impl">FileSystem</a>
<div class="block">An abstract base class for a fairly generic filesystem.</div>
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FSBuilder.html#org.apache.hadoop.fs.impl">FSBuilder</a>
<div class="block">The base interface which various FileSystem FileContext Builder
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/FutureDataInputStreamBuilder.html#org.apache.hadoop.fs.impl">FutureDataInputStreamBuilder</a>
<div class="block">Builder for input streams and subclasses whose return value is
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/MultipartUploader.html#org.apache.hadoop.fs.impl">MultipartUploader</a>
<div class="block">MultipartUploader is an interface for copying files multipart and across
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/MultipartUploaderBuilder.html#org.apache.hadoop.fs.impl">MultipartUploaderBuilder</a>
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<div class="block">The Path counterpoint to <a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html" title="interface in org.apache.hadoop.fs"><code>StreamCapabilities</code></a>; a query to see if,
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<td class="colOne"><a href="../../../../org/apache/hadoop/fs/class-use/PathFilter.html#org.apache.hadoop.fs.viewfs">PathFilter</a>&nbsp;</td>
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