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<div class="subTitle">org.apache.hadoop.hbase.security.access</div>
<h2 title="Class AccessControlFilter" class="title">Class AccessControlFilter</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">org.apache.hadoop.hbase.filter.Filter</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../org/apache/hadoop/hbase/filter/FilterBase.html" title="class in org.apache.hadoop.hbase.filter">org.apache.hadoop.hbase.filter.FilterBase</a></li>
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<ul class="inheritance">
<li>org.apache.hadoop.hbase.security.access.AccessControlFilter</li>
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<pre>@InterfaceAudience.Private
class <a href="../../../../../../src-html/org/apache/hadoop/hbase/security/access/AccessControlFilter.html#line.52">AccessControlFilter</a>
extends <a href="../../../../../../org/apache/hadoop/hbase/filter/FilterBase.html" title="class in org.apache.hadoop.hbase.filter">FilterBase</a></pre>
<div class="block"><strong>NOTE: for internal use only by AccessController implementation</strong>
<p>
TODO: There is room for further performance optimization here.
Calling AuthManager.authorize() per KeyValue imposes a fair amount of
overhead. A more optimized solution might look at the qualifiers where
permissions are actually granted and explicitly limit the scan to those.
</p>
<p>
We should aim to use this _only_ when access to the requested column families
is not granted at the column family levels. If table or column family
access succeeds, then there is no need to impose the overhead of this filter.
</p></div>
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<caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.Strategy.html" title="enum in org.apache.hadoop.hbase.security.access">AccessControlFilter.Strategy</a></span></code>&nbsp;</td>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.hadoop.hbase.filter.<a href="../../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></h3>
<code><a href="../../../../../../org/apache/hadoop/hbase/filter/Filter.ReturnCode.html" title="enum in org.apache.hadoop.hbase.filter">Filter.ReturnCode</a></code></li>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/security/access/AuthManager.html" title="class in org.apache.hadoop.hbase.security.access">AuthManager</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#authManager">authManager</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="../../../../../../org/apache/hadoop/hbase/util/ByteRange.html" title="interface in org.apache.hadoop.hbase.util">ByteRange</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#cfVsMaxVersions">cfVsMaxVersions</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#currentVersions">currentVersions</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#familyMaxVersions">familyMaxVersions</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#isSystemTable">isSystemTable</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/util/ByteRange.html" title="interface in org.apache.hadoop.hbase.util">ByteRange</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#prevFam">prevFam</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/util/ByteRange.html" title="interface in org.apache.hadoop.hbase.util">ByteRange</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#prevQual">prevQual</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.Strategy.html" title="enum in org.apache.hadoop.hbase.security.access">AccessControlFilter.Strategy</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#strategy">strategy</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#table">table</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/security/User.html" title="class in org.apache.hadoop.hbase.security">User</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#user">user</a></span></code>&nbsp;</td>
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<h3>Fields inherited from class&nbsp;org.apache.hadoop.hbase.filter.<a href="../../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></h3>
<code><a href="../../../../../../org/apache/hadoop/hbase/filter/Filter.html#reversed">reversed</a></code></li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#AccessControlFilter--">AccessControlFilter</a></span>()</code>
<div class="block">For Writable</div>
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<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#AccessControlFilter-org.apache.hadoop.hbase.security.access.AuthManager-org.apache.hadoop.hbase.security.User-org.apache.hadoop.hbase.TableName-org.apache.hadoop.hbase.security.access.AccessControlFilter.Strategy-java.util.Map-">AccessControlFilter</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/security/access/AuthManager.html" title="class in org.apache.hadoop.hbase.security.access">AuthManager</a>&nbsp;mgr,
<a href="../../../../../../org/apache/hadoop/hbase/security/User.html" title="class in org.apache.hadoop.hbase.security">User</a>&nbsp;ugi,
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#equals-java.lang.Object-">equals</a></span>(<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>&nbsp;obj)</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/filter/Filter.ReturnCode.html" title="enum in org.apache.hadoop.hbase.filter">Filter.ReturnCode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#filterCell-org.apache.hadoop.hbase.Cell-">filterCell</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</code>
<div class="block">A way to filter based on the column family, column qualifier and/or the column value.</div>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#filterRowKey-org.apache.hadoop.hbase.Cell-">filterRowKey</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</code>
<div class="block">Filters a row based on the row key.</div>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#hashCode--">hashCode</a></span>()</code>&nbsp;</td>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html" title="class in org.apache.hadoop.hbase.security.access">AccessControlFilter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#parseFrom-byte:A-">parseFrom</a></span>(byte[]&nbsp;pbBytes)</code>&nbsp;</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#reset--">reset</a></span>()</code>
<div class="block">Filters that are purely stateless and do nothing in their reset() methods can inherit
this null/empty implementation.</div>
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</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#toByteArray--">toByteArray</a></span>()</code>
<div class="block">Return length 0 byte array for Filters that don't require special serialization</div>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.hbase.filter.<a href="../../../../../../org/apache/hadoop/hbase/filter/FilterBase.html" title="class in org.apache.hadoop.hbase.filter">FilterBase</a></h3>
<code><a href="../../../../../../org/apache/hadoop/hbase/filter/FilterBase.html#createFilterFromArguments-java.util.ArrayList-">createFilterFromArguments</a>, <a href="../../../../../../org/apache/hadoop/hbase/filter/FilterBase.html#filterAllRemaining--">filterAllRemaining</a>, <a href="../../../../../../org/apache/hadoop/hbase/filter/FilterBase.html#filterRow--">filterRow</a>, <a href="../../../../../../org/apache/hadoop/hbase/filter/FilterBase.html#filterRowCells-java.util.List-">filterRowCells</a>, <a href="../../../../../../org/apache/hadoop/hbase/filter/FilterBase.html#getNextCellHint-org.apache.hadoop.hbase.Cell-">getNextCellHint</a>, <a href="../../../../../../org/apache/hadoop/hbase/filter/FilterBase.html#hasFilterRow--">hasFilterRow</a>, <a href="../../../../../../org/apache/hadoop/hbase/filter/FilterBase.html#isFamilyEssential-byte:A-">isFamilyEssential</a>, <a href="../../../../../../org/apache/hadoop/hbase/filter/FilterBase.html#toString--">toString</a>, <a href="../../../../../../org/apache/hadoop/hbase/filter/FilterBase.html#transformCell-org.apache.hadoop.hbase.Cell-">transformCell</a></code></li>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.hbase.filter.<a href="../../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></h3>
<code><a href="../../../../../../org/apache/hadoop/hbase/filter/Filter.html#isReversed--">isReversed</a>, <a href="../../../../../../org/apache/hadoop/hbase/filter/Filter.html#setReversed-boolean-">setReversed</a></code></li>
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<h3>Field Detail</h3>
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<h4>authManager</h4>
<pre>private&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/security/access/AuthManager.html" title="class in org.apache.hadoop.hbase.security.access">AuthManager</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/security/access/AccessControlFilter.html#line.61">authManager</a></pre>
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<h4>table</h4>
<pre>private&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/security/access/AccessControlFilter.html#line.62">table</a></pre>
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<pre>private&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/security/User.html" title="class in org.apache.hadoop.hbase.security">User</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/security/access/AccessControlFilter.html#line.63">user</a></pre>
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<pre>private&nbsp;boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/security/access/AccessControlFilter.html#line.64">isSystemTable</a></pre>
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<pre><a href="../../../../../../src-html/org/apache/hadoop/hbase/security/access/AccessControlFilter.html#line.75">AccessControlFilter</a>()</pre>
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<pre>public&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/security/access/AccessControlFilter.html#line.91">filterRowKey</a>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)
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<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/filter/Filter.html#filterRowKey-org.apache.hadoop.hbase.Cell-">Filter</a></code></span></div>
<div class="block">Filters a row based on the row key. If this returns true, the entire row will be excluded. If
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hbase/filter/FilterBase.html#filterRowKey-org.apache.hadoop.hbase.Cell-">filterRowKey</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/filter/FilterBase.html" title="class in org.apache.hadoop.hbase.filter">FilterBase</a></code></dd>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>true, remove entire row, false, include the row (maybe).</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> - in case an I/O or an filter specific failure needs to be signaled.</dd>
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<div class="block">A way to filter based on the column family, column qualifier and/or the column value. Return
code is described below. This allows filters to filter only certain number of columns, then
terminate without matching ever column.
If filterRowKey returns true, filterCell needs to be consistent with it.
filterCell can assume that filterRowKey has already been called for the row.
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cell</code> - the Cell in question</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>code as described below</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../org/apache/hadoop/hbase/filter/Filter.ReturnCode.html" title="enum in org.apache.hadoop.hbase.filter"><code>Filter.ReturnCode</code></a></dd>
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<div class="block">Filters that are purely stateless and do nothing in their reset() methods can inherit
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Reset the state of the filter between rows.
Concrete implementers can signal a failure condition in their code by throwing an
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
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<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> - in case an I/O or an filter specific failure needs to be signaled.</dd>
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<div class="block">Return length 0 byte array for Filters that don't require special serialization</div>
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<dd>The filter serialized using pb</dd>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html" title="class in org.apache.hadoop.hbase.security.access">AccessControlFilter</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/security/access/AccessControlFilter.html#line.171">parseFrom</a>(byte[]&nbsp;pbBytes)
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../org/apache/hadoop/hbase/security/access/AccessControlFilter.html#toByteArray--"><code>toByteArray()</code></a></dd>
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