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<div class="subTitle">org.apache.hadoop.hbase.master.janitor</div>
<h2 title="Class ReportMakingVisitor" class="title">Class ReportMakingVisitor</h2>
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<li>org.apache.hadoop.hbase.master.janitor.ReportMakingVisitor</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a>, <a href="../../../../../../org/apache/hadoop/hbase/ClientMetaTableAccessor.CloseableVisitor.html" title="interface in org.apache.hadoop.hbase">ClientMetaTableAccessor.CloseableVisitor</a>, <a href="../../../../../../org/apache/hadoop/hbase/ClientMetaTableAccessor.Visitor.html" title="interface in org.apache.hadoop.hbase">ClientMetaTableAccessor.Visitor</a></dd>
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<pre>@InterfaceAudience.Private
class <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#line.47">ReportMakingVisitor</a>
extends <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>
implements <a href="../../../../../../org/apache/hadoop/hbase/ClientMetaTableAccessor.CloseableVisitor.html" title="interface in org.apache.hadoop.hbase">ClientMetaTableAccessor.CloseableVisitor</a></pre>
<div class="block">Visitor we use in here in CatalogJanitor to go against hbase:meta table. Generates a Report made
of a collection of split parents and counts of rows in the hbase:meta table. Also runs hbase:meta
consistency checks to generate more report. Report is NOT ready until after this visitor has been
<a href="../../../../../../org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#close--"><code>close()</code></a>'d.</div>
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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>
</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/master/janitor/ReportMakingVisitor.html#closed">closed</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#highestEndKeyRegionInfo">highestEndKeyRegionInfo</a></span></code>
<div class="block">Keep account of the highest end key seen as we move through hbase:meta.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static org.slf4j.Logger</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#LOG">LOG</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#previous">previous</a></span></code>
<div class="block">RegionInfo from previous row.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/master/janitor/Report.html" title="class in org.apache.hadoop.hbase.master.janitor">Report</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#report">report</a></span></code>
<div class="block">Report is not done until after the close has been called.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/master/MasterServices.html" title="interface in org.apache.hadoop.hbase.master">MasterServices</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#services">services</a></span></code>&nbsp;</td>
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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/hbase/master/janitor/ReportMakingVisitor.html#ReportMakingVisitor-org.apache.hadoop.hbase.master.MasterServices-">ReportMakingVisitor</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/MasterServices.html" title="interface in org.apache.hadoop.hbase.master">MasterServices</a>&nbsp;services)</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="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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<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#addHole-org.apache.hadoop.hbase.client.RegionInfo-org.apache.hadoop.hbase.client.RegionInfo-">addHole</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;a,
<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;b)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#addOverlap-org.apache.hadoop.hbase.client.RegionInfo-org.apache.hadoop.hbase.client.RegionInfo-">addOverlap</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;a,
<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;b)</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#checkServer-org.apache.hadoop.hbase.RegionLocations-">checkServer</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/RegionLocations.html" title="class in org.apache.hadoop.hbase">RegionLocations</a>&nbsp;locations)</code>
<div class="block">Run through referenced servers and save off unknown and the dead.</div>
</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#close--">close</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>(package private) <a href="../../../../../../org/apache/hadoop/hbase/master/janitor/Report.html" title="class in org.apache.hadoop.hbase.master.janitor">Report</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#getReport--">getReport</a></span>()</code>
<div class="block">Do not call until after <a href="../../../../../../org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#close--"><code>close()</code></a>.</div>
</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>(package private) boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#isTableDisabled-org.apache.hadoop.hbase.client.RegionInfo-">isTableDisabled</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;ri)</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#isTableTransition-org.apache.hadoop.hbase.client.RegionInfo-">isTableTransition</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;ri)</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#metaTableConsistencyCheck-org.apache.hadoop.hbase.client.Result-">metaTableConsistencyCheck</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>&nbsp;metaTableRow)</code>
<div class="block">Check row.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#visit-org.apache.hadoop.hbase.client.Result-">visit</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>&nbsp;r)</code>
<div class="block">Visit the catalog table row.</div>
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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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<h4>LOG</h4>
<pre>private static final&nbsp;org.slf4j.Logger <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#line.49">LOG</a></pre>
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<h4>services</h4>
<pre>private final&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/master/MasterServices.html" title="interface in org.apache.hadoop.hbase.master">MasterServices</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#line.51">services</a></pre>
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<h4>closed</h4>
<pre>private volatile&nbsp;boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#line.52">closed</a></pre>
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<a name="report">
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<h4>report</h4>
<pre>private&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/master/janitor/Report.html" title="class in org.apache.hadoop.hbase.master.janitor">Report</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#line.57">report</a></pre>
<div class="block">Report is not done until after the close has been called.</div>
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<h4>previous</h4>
<pre>private&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#line.62">previous</a></pre>
<div class="block">RegionInfo from previous row.</div>
</li>
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<a name="highestEndKeyRegionInfo">
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<h4>highestEndKeyRegionInfo</h4>
<pre>private&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#line.71">highestEndKeyRegionInfo</a></pre>
<div class="block">Keep account of the highest end key seen as we move through hbase:meta. Usually, the current
RegionInfo has the highest end key but if an overlap, this may no longer hold. An overlap may
be a region with startkey 'd' and endkey 'g'. The next region in meta may be 'e' to 'f' and
then 'f' to 'g'. Looking at previous and current meta row, we won't know about the 'd' to 'g'
overlap unless we keep a running 'highest-endpoint-seen'.</div>
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<h3>Constructor Detail</h3>
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<h4>ReportMakingVisitor</h4>
<pre><a href="../../../../../../src-html/org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#line.73">ReportMakingVisitor</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/MasterServices.html" title="interface in org.apache.hadoop.hbase.master">MasterServices</a>&nbsp;services)</pre>
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<a name="getReport--">
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<h4>getReport</h4>
<pre><a href="../../../../../../org/apache/hadoop/hbase/master/janitor/Report.html" title="class in org.apache.hadoop.hbase.master.janitor">Report</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#line.80">getReport</a>()</pre>
<div class="block">Do not call until after <a href="../../../../../../org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#close--"><code>close()</code></a>. Will throw a <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/RuntimeException.html?is-external=true" title="class or interface in java.lang"><code>RuntimeException</code></a> if you do.</div>
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<h4>visit</h4>
<pre>public&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#line.88">visit</a>(<a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>&nbsp;r)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/ClientMetaTableAccessor.Visitor.html#visit-org.apache.hadoop.hbase.client.Result-">ClientMetaTableAccessor.Visitor</a></code></span></div>
<div class="block">Visit the catalog table row.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hbase/ClientMetaTableAccessor.Visitor.html#visit-org.apache.hadoop.hbase.client.Result-">visit</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/ClientMetaTableAccessor.Visitor.html" title="interface in org.apache.hadoop.hbase">ClientMetaTableAccessor.Visitor</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>r</code> - A row from catalog table</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if we are to proceed scanning the table, else false if we are to stop now.</dd>
</dl>
</li>
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<h4>metaTableConsistencyCheck</h4>
<pre>private&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#line.118">metaTableConsistencyCheck</a>(<a href="../../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>&nbsp;metaTableRow)</pre>
<div class="block">Check row.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>metaTableRow</code> - Row from hbase:meta table.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Returns default regioninfo found in row parse as a convenience to save on having to do
a double-parse of Result.</dd>
</dl>
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<h4>addOverlap</h4>
<pre>private&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#line.191">addOverlap</a>(<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;a,
<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;b)</pre>
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<h4>addHole</h4>
<pre>private&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#line.195">addHole</a>(<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;a,
<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;b)</pre>
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<h4>isTableDisabled</h4>
<pre>boolean&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#line.202">isTableDisabled</a>(<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;ri)</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if table is disabled or disabling; defaults false!</dd>
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<a name="checkServer-org.apache.hadoop.hbase.RegionLocations-">
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<h4>checkServer</h4>
<pre>private&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#line.224">checkServer</a>(<a href="../../../../../../org/apache/hadoop/hbase/RegionLocations.html" title="class in org.apache.hadoop.hbase">RegionLocations</a>&nbsp;locations)</pre>
<div class="block">Run through referenced servers and save off unknown and the dead.</div>
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<h4>isTableTransition</h4>
<pre>private&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#line.281">isTableTransition</a>(<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;ri)</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True iff first row in hbase:meta or if we've broached a new table in hbase:meta</dd>
</dl>
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<h4>close</h4>
<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/janitor/ReportMakingVisitor.html#line.286">close</a>()
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>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true#close--" title="class or interface in java.lang">close</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></code></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></dd>
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