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+<li><a href="#method.summary">Method</a></li>
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ScanModifyingObserver</h2>
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href="http://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>
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title="interface in
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href="../../../../../../src-html/org/apache/hadoop/hbase/coprocessor/example/ScanModifyingObserver.html#line.34">ScanModifyingObserver</a>
+extends <a
href="http://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/coprocessor/RegionCoprocessor.html"
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href="../../../../../../org/apache/hadoop/hbase/coprocessor/example/ScanModifyingObserver.html#ScanModifyingObserver--">ScanModifyingObserver</a></span>()</code> </td>
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href="../../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html"
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+ <a
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href="../../../../../../org/apache/hadoop/hbase/coprocessor/example/ScanModifyingObserver.html#start-org.apache.hadoop.hbase.CoprocessorEnvironment-">start</a></span>(<a
href="../../../../../../org/apache/hadoop/hbase/CoprocessorEnvironment.html"
title="interface in
org.apache.hadoop.hbase">CoprocessorEnvironment</a> env)</code>
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href="../../../../../../org/apache/hadoop/hbase/CoprocessorEnvironment.html"
title="interface in
org.apache.hadoop.hbase"><code>CoprocessorEnvironment</code></a> during it's
own startup to initialize the
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href="../../../../../../org/apache/hadoop/hbase/CoprocessorEnvironment.html"
title="interface in
org.apache.hadoop.hbase">CoprocessorEnvironment</a> env)
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href="http://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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interface: <code><a
href="../../../../../../org/apache/hadoop/hbase/Coprocessor.html#start-org.apache.hadoop.hbase.CoprocessorEnvironment-">Coprocessor</a></code></span></div>
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href="../../../../../../org/apache/hadoop/hbase/CoprocessorEnvironment.html"
title="interface in
org.apache.hadoop.hbase"><code>CoprocessorEnvironment</code></a> during it's
own startup to initialize the
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href="../../../../../../org/apache/hadoop/hbase/Coprocessor.html#start-org.apache.hadoop.hbase.CoprocessorEnvironment-">start</a></code> in
interface <code><a
href="../../../../../../org/apache/hadoop/hbase/Coprocessor.html"
title="interface in org.apache.hadoop.hbase">Coprocessor</a></code></dd>
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href="http://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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href="http://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true";
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href="../../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html"
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href="../../../../../../src-html/org/apache/hadoop/hbase/coprocessor/example/ScanModifyingObserver.html#line.52">getRegionObserver</a>()</pre>
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href="../../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessor.html#getRegionObserver--">getRegionObserver</a></code> in
interface <code><a
href="../../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessor.html"
title="interface in
org.apache.hadoop.hbase.coprocessor">RegionCoprocessor</a></code></dd>
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href="../../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html"
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href="../../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html"
title="interface in
org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c,
+ <a
href="../../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class
in org.apache.hadoop.hbase.client">Scan</a> scan)
+ throws <a
href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true";
title="class or interface in java.io">IOException</a></pre>
+<div class="block"><span class="descfrmTypeLabel">Description copied from
interface: <code><a
href="../../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preScannerOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Scan-">RegionObserver</a></code></span></div>
+<div class="block">Called before the client opens a new scanner.
+ <p>
+ Call CoprocessorEnvironment#complete to skip any subsequent chained
+ coprocessors
+ <p>
+ Note: Do not retain references to any Cells returned by scanner, beyond the
life of this
+ invocation. If need a Cell reference for later use, copy the cell and use
that.</div>
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+<dd><code><a
href="../../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preScannerOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Scan-">preScannerOpen</a></code> in
interface <code><a
href="../../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html"
title="interface in
org.apache.hadoop.hbase.coprocessor">RegionObserver</a></code></dd>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>c</code> - the environment provided by the region server</dd>
+<dd><code>scan</code> - the Scan specification</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code><a
href="http://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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+<div class="bottomNav"><a name="navbar.bottom">
+<!-- -->
+</a>
+<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation
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+<!-- -->
+</a>
+<ul class="navList" title="Navigation">
+<li><a href="../../../../../../overview-summary.html">Overview</a></li>
+<li><a href="package-summary.html">Package</a></li>
+<li class="navBarCell1Rev">Class</li>
+<li><a href="class-use/ScanModifyingObserver.html">Use</a></li>
+<li><a href="package-tree.html">Tree</a></li>
+<li><a href="../../../../../../deprecated-list.html">Deprecated</a></li>
+<li><a href="../../../../../../index-all.html">Index</a></li>
+<li><a href="../../../../../../help-doc.html">Help</a></li>
+</ul>
+</div>
+<div class="subNav">
+<ul class="navList">
+<li><a
href="../../../../../../org/apache/hadoop/hbase/coprocessor/example/RowCountEndpoint.html"
title="class in org.apache.hadoop.hbase.coprocessor.example"><span
class="typeNameLink">Prev Class</span></a></li>
+<li><a
href="../../../../../../org/apache/hadoop/hbase/coprocessor/example/ValueRewritingObserver.html"
title="class in org.apache.hadoop.hbase.coprocessor.example"><span
class="typeNameLink">Next Class</span></a></li>
+</ul>
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+<li><a
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+<div>
+<ul class="subNavList">
+<li>Summary: </li>
+<li>Nested | </li>
+<li><a href="#field.summary">Field</a> | </li>
+<li><a href="#constructor.summary">Constr</a> | </li>
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