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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.iceberg.hadoop</a></div>
<h2 title="Class HadoopFileIO" class="title">Class HadoopFileIO</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<li>org.apache.iceberg.hadoop.HadoopFileIO</li>
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<dt>All Implemented Interfaces:</dt>
<dd><code>java.io.Closeable</code>, <code>java.io.Serializable</code>, <code>java.lang.AutoCloseable</code>, <code>org.apache.hadoop.conf.Configurable</code>, <code><a href="HadoopConfigurable.html" title="interface in org.apache.iceberg.hadoop">HadoopConfigurable</a></code>, <code><a href="../io/DelegateFileIO.html" title="interface in org.apache.iceberg.io">DelegateFileIO</a></code>, <code><a href="../io/FileIO.html" title="interface in org.apache.iceberg.io">FileIO</a></code>, <code><a href="../io/SupportsBulkOperations.html" title="interface in org.apache.iceberg.io">SupportsBulkOperations</a></code>, <code><a href="../io/SupportsPrefixOperations.html" title="interface in org.apache.iceberg.io">SupportsPrefixOperations</a></code></dd>
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<pre>public class <span class="typeNameLabel">HadoopFileIO</span>
extends java.lang.Object
implements <a href="HadoopConfigurable.html" title="interface in org.apache.iceberg.hadoop">HadoopConfigurable</a>, <a href="../io/DelegateFileIO.html" title="interface in org.apache.iceberg.io">DelegateFileIO</a></pre>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../serialized-form.html#org.apache.iceberg.hadoop.HadoopFileIO">Serialized Form</a></dd>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
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<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">HadoopFileIO</a></span>()</code></th>
<td class="colLast">
<div class="block">Constructor used for dynamic FileIO loading.</div>
</td>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.hadoop.conf.Configuration)">HadoopFileIO</a></span>&#8203;(org.apache.hadoop.conf.Configuration&nbsp;hadoopConf)</code></th>
<td class="colLast">&nbsp;</td>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.iceberg.util.SerializableSupplier)">HadoopFileIO</a></span>&#8203;(<a href="../util/SerializableSupplier.html" title="interface in org.apache.iceberg.util">SerializableSupplier</a>&lt;org.apache.hadoop.conf.Configuration&gt;&nbsp;hadoopConf)</code></th>
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<td class="colFirst"><code>org.apache.hadoop.conf.Configuration</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#conf()">conf</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#deleteFile(java.lang.String)">deleteFile</a></span>&#8203;(java.lang.String&nbsp;path)</code></th>
<td class="colLast">
<div class="block">Delete the file at the given path.</div>
</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#deleteFiles(java.lang.Iterable)">deleteFiles</a></span>&#8203;(java.lang.Iterable&lt;java.lang.String&gt;&nbsp;pathsToDelete)</code></th>
<td class="colLast">
<div class="block">Delete the files at the given paths.</div>
</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#deletePrefix(java.lang.String)">deletePrefix</a></span>&#8203;(java.lang.String&nbsp;prefix)</code></th>
<td class="colLast">
<div class="block">Delete all files under a prefix.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.conf.Configuration</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getConf()">getConf</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#initialize(java.util.Map)">initialize</a></span>&#8203;(java.util.Map&lt;java.lang.String,&#8203;java.lang.String&gt;&nbsp;props)</code></th>
<td class="colLast">
<div class="block">Initialize File IO from catalog properties.</div>
</td>
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<tr id="i6" class="altColor">
<td class="colFirst"><code>java.lang.Iterable&lt;<a href="../io/FileInfo.html" title="class in org.apache.iceberg.io">FileInfo</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#listPrefix(java.lang.String)">listPrefix</a></span>&#8203;(java.lang.String&nbsp;prefix)</code></th>
<td class="colLast">
<div class="block">Return an iterable of all files under a prefix.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="../io/InputFile.html" title="interface in org.apache.iceberg.io">InputFile</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#newInputFile(java.lang.String)">newInputFile</a></span>&#8203;(java.lang.String&nbsp;path)</code></th>
<td class="colLast">
<div class="block">Get a <a href="../io/InputFile.html" title="interface in org.apache.iceberg.io"><code>InputFile</code></a> instance to read bytes from the file at the given path.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../io/InputFile.html" title="interface in org.apache.iceberg.io">InputFile</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#newInputFile(java.lang.String,long)">newInputFile</a></span>&#8203;(java.lang.String&nbsp;path,
long&nbsp;length)</code></th>
<td class="colLast">
<div class="block">Get a <a href="../io/InputFile.html" title="interface in org.apache.iceberg.io"><code>InputFile</code></a> instance to read bytes from the file at the given path, with a known
file length.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="../io/OutputFile.html" title="interface in org.apache.iceberg.io">OutputFile</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#newOutputFile(java.lang.String)">newOutputFile</a></span>&#8203;(java.lang.String&nbsp;path)</code></th>
<td class="colLast">
<div class="block">Get a <a href="../io/OutputFile.html" title="interface in org.apache.iceberg.io"><code>OutputFile</code></a> instance to write bytes to the file at the given path.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>java.util.Map&lt;java.lang.String,&#8203;java.lang.String&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#properties()">properties</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the property map used to configure this FileIO</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#serializeConfWith(java.util.function.Function)">serializeConfWith</a></span>&#8203;(java.util.function.Function&lt;org.apache.hadoop.conf.Configuration,&#8203;<a href="../util/SerializableSupplier.html" title="interface in org.apache.iceberg.util">SerializableSupplier</a>&lt;org.apache.hadoop.conf.Configuration&gt;&gt;&nbsp;confSerializer)</code></th>
<td class="colLast">
<div class="block">Take a function that serializes Hadoop configuration into a supplier.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setConf(org.apache.hadoop.conf.Configuration)">setConf</a></span>&#8203;(org.apache.hadoop.conf.Configuration&nbsp;conf)</code></th>
<td class="colLast">&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
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<h3>Methods inherited from interface&nbsp;org.apache.iceberg.io.<a href="../io/FileIO.html" title="interface in org.apache.iceberg.io">FileIO</a></h3>
<code><a href="../io/FileIO.html#close()">close</a>, <a href="../io/FileIO.html#deleteFile(org.apache.iceberg.io.InputFile)">deleteFile</a>, <a href="../io/FileIO.html#deleteFile(org.apache.iceberg.io.OutputFile)">deleteFile</a>, <a href="../io/FileIO.html#newInputFile(org.apache.iceberg.DataFile)">newInputFile</a>, <a href="../io/FileIO.html#newInputFile(org.apache.iceberg.DeleteFile)">newInputFile</a>, <a href="../io/FileIO.html#newInputFile(org.apache.iceberg.ManifestFile)">newInputFile</a></code></li>
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<h4>HadoopFileIO</h4>
<pre>public&nbsp;HadoopFileIO()</pre>
<div class="block">Constructor used for dynamic FileIO loading.
<p><code>Hadoop configuration</code> must be set through <a href="#setConf(org.apache.hadoop.conf.Configuration)"><code>setConf(Configuration)</code></a></div>
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<h4>HadoopFileIO</h4>
<pre>public&nbsp;HadoopFileIO&#8203;(org.apache.hadoop.conf.Configuration&nbsp;hadoopConf)</pre>
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<h4>HadoopFileIO</h4>
<pre>public&nbsp;HadoopFileIO&#8203;(<a href="../util/SerializableSupplier.html" title="interface in org.apache.iceberg.util">SerializableSupplier</a>&lt;org.apache.hadoop.conf.Configuration&gt;&nbsp;hadoopConf)</pre>
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<a id="conf()">
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<h4>conf</h4>
<pre class="methodSignature">public&nbsp;org.apache.hadoop.conf.Configuration&nbsp;conf()</pre>
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<a id="initialize(java.util.Map)">
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<h4>initialize</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;initialize&#8203;(java.util.Map&lt;java.lang.String,&#8203;java.lang.String&gt;&nbsp;props)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../io/FileIO.html#initialize(java.util.Map)">FileIO</a></code></span></div>
<div class="block">Initialize File IO from catalog properties.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../io/FileIO.html#initialize(java.util.Map)">initialize</a></code>&nbsp;in interface&nbsp;<code><a href="../io/FileIO.html" title="interface in org.apache.iceberg.io">FileIO</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>props</code> - catalog properties</dd>
</dl>
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<h4>newInputFile</h4>
<pre class="methodSignature">public&nbsp;<a href="../io/InputFile.html" title="interface in org.apache.iceberg.io">InputFile</a>&nbsp;newInputFile&#8203;(java.lang.String&nbsp;path)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../io/FileIO.html#newInputFile(java.lang.String)">FileIO</a></code></span></div>
<div class="block">Get a <a href="../io/InputFile.html" title="interface in org.apache.iceberg.io"><code>InputFile</code></a> instance to read bytes from the file at the given path.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../io/FileIO.html#newInputFile(java.lang.String)">newInputFile</a></code>&nbsp;in interface&nbsp;<code><a href="../io/FileIO.html" title="interface in org.apache.iceberg.io">FileIO</a></code></dd>
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<a id="newInputFile(java.lang.String,long)">
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<h4>newInputFile</h4>
<pre class="methodSignature">public&nbsp;<a href="../io/InputFile.html" title="interface in org.apache.iceberg.io">InputFile</a>&nbsp;newInputFile&#8203;(java.lang.String&nbsp;path,
long&nbsp;length)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../io/FileIO.html#newInputFile(java.lang.String,long)">FileIO</a></code></span></div>
<div class="block">Get a <a href="../io/InputFile.html" title="interface in org.apache.iceberg.io"><code>InputFile</code></a> instance to read bytes from the file at the given path, with a known
file length.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../io/FileIO.html#newInputFile(java.lang.String,long)">newInputFile</a></code>&nbsp;in interface&nbsp;<code><a href="../io/FileIO.html" title="interface in org.apache.iceberg.io">FileIO</a></code></dd>
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<h4>newOutputFile</h4>
<pre class="methodSignature">public&nbsp;<a href="../io/OutputFile.html" title="interface in org.apache.iceberg.io">OutputFile</a>&nbsp;newOutputFile&#8203;(java.lang.String&nbsp;path)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../io/FileIO.html#newOutputFile(java.lang.String)">FileIO</a></code></span></div>
<div class="block">Get a <a href="../io/OutputFile.html" title="interface in org.apache.iceberg.io"><code>OutputFile</code></a> instance to write bytes to the file at the given path.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../io/FileIO.html#newOutputFile(java.lang.String)">newOutputFile</a></code>&nbsp;in interface&nbsp;<code><a href="../io/FileIO.html" title="interface in org.apache.iceberg.io">FileIO</a></code></dd>
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<h4>deleteFile</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;deleteFile&#8203;(java.lang.String&nbsp;path)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../io/FileIO.html#deleteFile(java.lang.String)">FileIO</a></code></span></div>
<div class="block">Delete the file at the given path.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../io/FileIO.html#deleteFile(java.lang.String)">deleteFile</a></code>&nbsp;in interface&nbsp;<code><a href="../io/FileIO.html" title="interface in org.apache.iceberg.io">FileIO</a></code></dd>
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<h4>properties</h4>
<pre class="methodSignature">public&nbsp;java.util.Map&lt;java.lang.String,&#8203;java.lang.String&gt;&nbsp;properties()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../io/FileIO.html#properties()">FileIO</a></code></span></div>
<div class="block">Returns the property map used to configure this FileIO</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../io/FileIO.html#properties()">properties</a></code>&nbsp;in interface&nbsp;<code><a href="../io/FileIO.html" title="interface in org.apache.iceberg.io">FileIO</a></code></dd>
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<h4>setConf</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setConf&#8203;(org.apache.hadoop.conf.Configuration&nbsp;conf)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>setConf</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.conf.Configurable</code></dd>
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<a id="getConf()">
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<h4>getConf</h4>
<pre class="methodSignature">public&nbsp;org.apache.hadoop.conf.Configuration&nbsp;getConf()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>getConf</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.conf.Configurable</code></dd>
</dl>
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<h4>serializeConfWith</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;serializeConfWith&#8203;(java.util.function.Function&lt;org.apache.hadoop.conf.Configuration,&#8203;<a href="../util/SerializableSupplier.html" title="interface in org.apache.iceberg.util">SerializableSupplier</a>&lt;org.apache.hadoop.conf.Configuration&gt;&gt;&nbsp;confSerializer)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="HadoopConfigurable.html#serializeConfWith(java.util.function.Function)">HadoopConfigurable</a></code></span></div>
<div class="block">Take a function that serializes Hadoop configuration into a supplier. An implementation is
supposed to pass in its current Hadoop configuration into this function, and the result can be
safely serialized for future use.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="HadoopConfigurable.html#serializeConfWith(java.util.function.Function)">serializeConfWith</a></code>&nbsp;in interface&nbsp;<code><a href="HadoopConfigurable.html" title="interface in org.apache.iceberg.hadoop">HadoopConfigurable</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>confSerializer</code> - A function that takes Hadoop configuration and returns a serializable
supplier of it.</dd>
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<h4>listPrefix</h4>
<pre class="methodSignature">public&nbsp;java.lang.Iterable&lt;<a href="../io/FileInfo.html" title="class in org.apache.iceberg.io">FileInfo</a>&gt;&nbsp;listPrefix&#8203;(java.lang.String&nbsp;prefix)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../io/SupportsPrefixOperations.html#listPrefix(java.lang.String)">SupportsPrefixOperations</a></code></span></div>
<div class="block">Return an iterable of all files under a prefix.
<p>Hierarchical file systems (e.g. HDFS) may impose additional restrictions like the prefix
must fully match a directory whereas key/value object stores may allow for arbitrary prefixes.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../io/SupportsPrefixOperations.html#listPrefix(java.lang.String)">listPrefix</a></code>&nbsp;in interface&nbsp;<code><a href="../io/SupportsPrefixOperations.html" title="interface in org.apache.iceberg.io">SupportsPrefixOperations</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>prefix</code> - prefix to list</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>iterable of file information</dd>
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<h4>deletePrefix</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;deletePrefix&#8203;(java.lang.String&nbsp;prefix)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../io/SupportsPrefixOperations.html#deletePrefix(java.lang.String)">SupportsPrefixOperations</a></code></span></div>
<div class="block">Delete all files under a prefix.
<p>Hierarchical file systems (e.g. HDFS) may impose additional restrictions like the prefix
must fully match a directory whereas key/value object stores may allow for arbitrary prefixes.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../io/SupportsPrefixOperations.html#deletePrefix(java.lang.String)">deletePrefix</a></code>&nbsp;in interface&nbsp;<code><a href="../io/SupportsPrefixOperations.html" title="interface in org.apache.iceberg.io">SupportsPrefixOperations</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>prefix</code> - prefix to delete</dd>
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<h4>deleteFiles</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;deleteFiles&#8203;(java.lang.Iterable&lt;java.lang.String&gt;&nbsp;pathsToDelete)
throws <a href="../io/BulkDeletionFailureException.html" title="class in org.apache.iceberg.io">BulkDeletionFailureException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../io/SupportsBulkOperations.html#deleteFiles(java.lang.Iterable)">SupportsBulkOperations</a></code></span></div>
<div class="block">Delete the files at the given paths.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../io/SupportsBulkOperations.html#deleteFiles(java.lang.Iterable)">deleteFiles</a></code>&nbsp;in interface&nbsp;<code><a href="../io/SupportsBulkOperations.html" title="interface in org.apache.iceberg.io">SupportsBulkOperations</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>pathsToDelete</code> - The paths to delete</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../io/BulkDeletionFailureException.html" title="class in org.apache.iceberg.io">BulkDeletionFailureException</a></code> - in case of failure to delete at least 1 file</dd>
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