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Posted to commits@orc.apache.org by pr...@apache.org on 2018/06/29 18:26:42 UTC

[44/51] [partial] orc git commit: Update javadoc for ORC 1.5.2

http://git-wip-us.apache.org/repos/asf/orc/blob/90934777/java/core/orc-core/org/apache/orc/InMemoryKeystore.html
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@@ -0,0 +1,554 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<!-- NewPage -->
+<html lang="en">
+<head>
+<!-- Generated by javadoc (1.8.0_121) on Fri Jun 29 11:10:15 PDT 2018 -->
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<title>InMemoryKeystore (ORC Core 1.5.2 API)</title>
+<meta name="date" content="2018-06-29">
+<link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
+<script type="text/javascript" src="../../../script.js"></script>
+</head>
+<body>
+<script type="text/javascript"><!--
+    try {
+        if (location.href.indexOf('is-external=true') == -1) {
+            parent.document.title="InMemoryKeystore (ORC Core 1.5.2 API)";
+        }
+    }
+    catch(err) {
+    }
+//-->
+var methods = {"i0":10,"i1":10,"i2":9,"i3":10,"i4":10,"i5":10,"i6":10};
+var tabs = {65535:["t0","All Methods"],1:["t1","Static Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]};
+var altColor = "altColor";
+var rowColor = "rowColor";
+var tableTab = "tableTab";
+var activeTableTab = "activeTableTab";
+</script>
+<noscript>
+<div>JavaScript is disabled on your browser.</div>
+</noscript>
+<!-- ========= START OF TOP NAVBAR ======= -->
+<div class="topNav"><a name="navbar.top">
+<!--   -->
+</a>
+<div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
+<a name="navbar.top.firstrow">
+<!--   -->
+</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/InMemoryKeystore.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/orc/FileMetadata.html" title="interface in org.apache.orc"><span class="typeNameLink">Prev&nbsp;Class</span></a></li>
+<li><a href="../../../org/apache/orc/IntegerColumnStatistics.html" title="interface in org.apache.orc"><span class="typeNameLink">Next&nbsp;Class</span></a></li>
+</ul>
+<ul class="navList">
+<li><a href="../../../index.html?org/apache/orc/InMemoryKeystore.html" target="_top">Frames</a></li>
+<li><a href="InMemoryKeystore.html" target="_top">No&nbsp;Frames</a></li>
+</ul>
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+    allClassesLink.style.display = "block";
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+  else {
+    allClassesLink.style.display = "none";
+  }
+  //-->
+</script>
+</div>
+<div>
+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li>Nested&nbsp;|&nbsp;</li>
+<li><a href="#field.summary">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor.summary">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method.summary">Method</a></li>
+</ul>
+<ul class="subNavList">
+<li>Detail:&nbsp;</li>
+<li><a href="#field.detail">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor.detail">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method.detail">Method</a></li>
+</ul>
+</div>
+<a name="skip.navbar.top">
+<!--   -->
+</a></div>
+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">org.apache.orc</div>
+<h2 title="Class InMemoryKeystore" class="title">Class InMemoryKeystore</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li><a href="http://docs.oracle.com/javase/7/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>org.apache.orc.InMemoryKeystore</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Implemented Interfaces:</dt>
+<dd><a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.KeyProvider.html?is-external=true" title="class or interface in org.apache.orc.impl">HadoopShims.KeyProvider</a></dd>
+</dl>
+<hr>
+<br>
+<pre>public class <span class="typeNameLabel">InMemoryKeystore</span>
+extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
+implements <a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.KeyProvider.html?is-external=true" title="class or interface in org.apache.orc.impl">HadoopShims.KeyProvider</a></pre>
+<div class="block">This is an in-memory implementation of <code>HadoopShims.KeyProvider</code>.
+
+ The primary use of this class is for when the user doesn't have a
+ Hadoop KMS running and wishes to use encryption. It is also useful for
+ testing.
+
+ The local keys for this class are encrypted/decrypted using the cipher
+ in CBC/NoPadding mode and a constant IV. Since the key is random, the
+ constant IV is not a problem.
+
+ This class is not thread safe.</div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- =========== FIELD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="field.summary">
+<!--   -->
+</a>
+<h3>Field Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
+<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>static boolean</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/InMemoryKeystore.html#SUPPORTS_AES_256">SUPPORTS_AES_256</a></span></code>
+<div class="block">Support AES 256 ?</div>
+</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ======== CONSTRUCTOR SUMMARY ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor.summary">
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+</a>
+<h3>Constructor Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><span class="memberNameLink"><a href="../../../org/apache/orc/InMemoryKeystore.html#InMemoryKeystore--">InMemoryKeystore</a></span>()</code>
+<div class="block">Create a new InMemoryKeystore.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colOne"><code><span class="memberNameLink"><a href="../../../org/apache/orc/InMemoryKeystore.html#InMemoryKeystore-java.util.Random-">InMemoryKeystore</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Random.html?is-external=true" title="class or interface in java.util">Random</a>&nbsp;random)</code>
+<div class="block">Create an InMemoryKeystore with the given random generator.</div>
+</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ========== METHOD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method.summary">
+<!--   -->
+</a>
+<h3>Method Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></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>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr id="i0" class="altColor">
+<td class="colFirst"><code><a href="../../../org/apache/orc/InMemoryKeystore.html" title="class in org.apache.orc">InMemoryKeystore</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/InMemoryKeystore.html#addKey-java.lang.String-org.apache.orc.EncryptionAlgorithm-byte:A-">addKey</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;keyName,
+      <a href="http://orc.apache.org/api/orc-core/org/apache/orc/EncryptionAlgorithm.html?is-external=true" title="class or interface in org.apache.orc">EncryptionAlgorithm</a>&nbsp;algorithm,
+      byte[]&nbsp;masterKey)</code>
+<div class="block">Function that takes care of adding a new key.<br>
+ A new key can be added only if:
+ 
+ This is a new key and no prior key version exist.
+ If the key exists (has versions), then the new version to be added should be greater than
+ the version that already exists.
+ </div>
+</td>
+</tr>
+<tr id="i1" class="rowColor">
+<td class="colFirst"><code><a href="../../../org/apache/orc/InMemoryKeystore.html" title="class in org.apache.orc">InMemoryKeystore</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/InMemoryKeystore.html#addKey-java.lang.String-int-org.apache.orc.EncryptionAlgorithm-byte:A-">addKey</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;keyName,
+      int&nbsp;version,
+      <a href="http://orc.apache.org/api/orc-core/org/apache/orc/EncryptionAlgorithm.html?is-external=true" title="class or interface in org.apache.orc">EncryptionAlgorithm</a>&nbsp;algorithm,
+      byte[]&nbsp;masterKey)</code>
+<div class="block">Function that takes care of adding a new key.<br>
+ A new key can be added only if:
+ 
+ This is a new key and no prior key version exist.
+ If the key exists (has versions), then the new version to be added should be greater than
+ the version that already exists.
+ </div>
+</td>
+</tr>
+<tr id="i2" class="altColor">
+<td class="colFirst"><code>protected static <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/InMemoryKeystore.html#buildVersionName-java.lang.String-int-">buildVersionName</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
+                int&nbsp;version)</code>
+<div class="block">Build a version string from a basename and version number.</div>
+</td>
+</tr>
+<tr id="i3" class="rowColor">
+<td class="colFirst"><code><a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.LocalKey.html?is-external=true" title="class or interface in org.apache.orc.impl">HadoopShims.LocalKey</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/InMemoryKeystore.html#createLocalKey-org.apache.orc.impl.HadoopShims.KeyMetadata-">createLocalKey</a></span>(<a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.KeyMetadata.html?is-external=true" title="class or interface in org.apache.orc.impl">HadoopShims.KeyMetadata</a>&nbsp;key)</code>
+<div class="block">Create a local key for the given key version.</div>
+</td>
+</tr>
+<tr id="i4" class="altColor">
+<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/security/Key.html?is-external=true" title="class or interface in java.security">Key</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/InMemoryKeystore.html#decryptLocalKey-org.apache.orc.impl.HadoopShims.KeyMetadata-byte:A-">decryptLocalKey</a></span>(<a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.KeyMetadata.html?is-external=true" title="class or interface in org.apache.orc.impl">HadoopShims.KeyMetadata</a>&nbsp;key,
+               byte[]&nbsp;encryptedKey)</code>
+<div class="block">Create a local key for the given key version and initialization vector.</div>
+</td>
+</tr>
+<tr id="i5" class="rowColor">
+<td class="colFirst"><code><a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.KeyMetadata.html?is-external=true" title="class or interface in org.apache.orc.impl">HadoopShims.KeyMetadata</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/InMemoryKeystore.html#getCurrentKeyVersion-java.lang.String-">getCurrentKeyVersion</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;keyName)</code>
+<div class="block">Get the current metadata for a given key.</div>
+</td>
+</tr>
+<tr id="i6" class="altColor">
+<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/InMemoryKeystore.html#getKeyNames--">getKeyNames</a></span>()</code>
+<div class="block">Get the list of key names from the key provider.</div>
+</td>
+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
+<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang
 /Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="details">
+<ul class="blockList">
+<li class="blockList">
+<!-- ============ FIELD DETAIL =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="field.detail">
+<!--   -->
+</a>
+<h3>Field Detail</h3>
+<a name="SUPPORTS_AES_256">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>SUPPORTS_AES_256</h4>
+<pre>public static final&nbsp;boolean SUPPORTS_AES_256</pre>
+<div class="block">Support AES 256 ?</div>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ========= CONSTRUCTOR DETAIL ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor.detail">
+<!--   -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="InMemoryKeystore--">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>InMemoryKeystore</h4>
+<pre>public&nbsp;InMemoryKeystore()</pre>
+<div class="block">Create a new InMemoryKeystore.</div>
+</li>
+</ul>
+<a name="InMemoryKeystore-java.util.Random-">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>InMemoryKeystore</h4>
+<pre>public&nbsp;InMemoryKeystore(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Random.html?is-external=true" title="class or interface in java.util">Random</a>&nbsp;random)</pre>
+<div class="block">Create an InMemoryKeystore with the given random generator.
+ Except for testing, this must be a SecureRandom.</div>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method.detail">
+<!--   -->
+</a>
+<h3>Method Detail</h3>
+<a name="buildVersionName-java.lang.String-int-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>buildVersionName</h4>
+<pre>protected static&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;buildVersionName(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
+                                         int&nbsp;version)</pre>
+<div class="block">Build a version string from a basename and version number. Converts
+ "/aaa/bbb" and 3 to "/aaa/bbb@3".</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>name</code> - the basename of the key</dd>
+<dd><code>version</code> - the version of the key</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>the versionName of the key.</dd>
+</dl>
+</li>
+</ul>
+<a name="getKeyNames--">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getKeyNames</h4>
+<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;getKeyNames()</pre>
+<div class="block">Get the list of key names from the key provider.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.KeyProvider.html?is-external=true#getKeyNames--" title="class or interface in org.apache.orc.impl">getKeyNames</a></code>&nbsp;in interface&nbsp;<code><a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.KeyProvider.html?is-external=true" title="class or interface in org.apache.orc.impl">HadoopShims.KeyProvider</a></code></dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>a list of key names</dd>
+</dl>
+</li>
+</ul>
+<a name="getCurrentKeyVersion-java.lang.String-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getCurrentKeyVersion</h4>
+<pre>public&nbsp;<a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.KeyMetadata.html?is-external=true" title="class or interface in org.apache.orc.impl">HadoopShims.KeyMetadata</a>&nbsp;getCurrentKeyVersion(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;keyName)</pre>
+<div class="block">Get the current metadata for a given key. This is used when encrypting
+ new data.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.KeyProvider.html?is-external=true#getCurrentKeyVersion-java.lang.String-" title="class or interface in org.apache.orc.impl">getCurrentKeyVersion</a></code>&nbsp;in interface&nbsp;<code><a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.KeyProvider.html?is-external=true" title="class or interface in org.apache.orc.impl">HadoopShims.KeyProvider</a></code></dd>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>keyName</code> - the name of a key</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>metadata for the current version of the key</dd>
+</dl>
+</li>
+</ul>
+<a name="createLocalKey-org.apache.orc.impl.HadoopShims.KeyMetadata-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>createLocalKey</h4>
+<pre>public&nbsp;<a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.LocalKey.html?is-external=true" title="class or interface in org.apache.orc.impl">HadoopShims.LocalKey</a>&nbsp;createLocalKey(<a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.KeyMetadata.html?is-external=true" title="class or interface in org.apache.orc.impl">HadoopShims.KeyMetadata</a>&nbsp;key)</pre>
+<div class="block">Create a local key for the given key version.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.KeyProvider.html?is-external=true#createLocalKey-org.apache.orc.impl.HadoopShims.KeyMetadata-" title="class or interface in org.apache.orc.impl">createLocalKey</a></code>&nbsp;in interface&nbsp;<code><a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.KeyProvider.html?is-external=true" title="class or interface in org.apache.orc.impl">HadoopShims.KeyProvider</a></code></dd>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>key</code> - the master key version</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>the local key's material</dd>
+</dl>
+</li>
+</ul>
+<a name="decryptLocalKey-org.apache.orc.impl.HadoopShims.KeyMetadata-byte:A-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>decryptLocalKey</h4>
+<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/security/Key.html?is-external=true" title="class or interface in java.security">Key</a>&nbsp;decryptLocalKey(<a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.KeyMetadata.html?is-external=true" title="class or interface in org.apache.orc.impl">HadoopShims.KeyMetadata</a>&nbsp;key,
+                           byte[]&nbsp;encryptedKey)</pre>
+<div class="block">Create a local key for the given key version and initialization vector.
+ Given a probabilistically unique iv, it will generate a unique key
+ with the master key at the specified version. This allows the encryption
+ to use this local key for the encryption and decryption without ever
+ having access to the master key.
+ <p>
+ This uses KeyProviderCryptoExtension.decryptEncryptedKey with a fixed key
+ of the appropriate length.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.KeyProvider.html?is-external=true#decryptLocalKey-org.apache.orc.impl.HadoopShims.KeyMetadata-byte:A-" title="class or interface in org.apache.orc.impl">decryptLocalKey</a></code>&nbsp;in interface&nbsp;<code><a href="http://orc.apache.org/api/orc-core/org/apache/orc/impl/HadoopShims.KeyProvider.html?is-external=true" title="class or interface in org.apache.orc.impl">HadoopShims.KeyProvider</a></code></dd>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>key</code> - the master key version</dd>
+<dd><code>encryptedKey</code> - the unique initialization vector</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>the local key's material</dd>
+</dl>
+</li>
+</ul>
+<a name="addKey-java.lang.String-org.apache.orc.EncryptionAlgorithm-byte:A-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>addKey</h4>
+<pre>public&nbsp;<a href="../../../org/apache/orc/InMemoryKeystore.html" title="class in org.apache.orc">InMemoryKeystore</a>&nbsp;addKey(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;keyName,
+                               <a href="http://orc.apache.org/api/orc-core/org/apache/orc/EncryptionAlgorithm.html?is-external=true" title="class or interface in org.apache.orc">EncryptionAlgorithm</a>&nbsp;algorithm,
+                               byte[]&nbsp;masterKey)
+                        throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
+<div class="block">Function that takes care of adding a new key.<br>
+ A new key can be added only if:
+ <ul>
+ <li>This is a new key and no prior key version exist.</li>
+ <li>If the key exists (has versions), then the new version to be added should be greater than
+ the version that already exists.</li>
+ </ul></div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>keyName</code> - Name of the key to be added</dd>
+<dd><code>algorithm</code> - Algorithm used</dd>
+<dd><code>masterKey</code> - Master key</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>this</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
+</dl>
+</li>
+</ul>
+<a name="addKey-java.lang.String-int-org.apache.orc.EncryptionAlgorithm-byte:A-">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>addKey</h4>
+<pre>public&nbsp;<a href="../../../org/apache/orc/InMemoryKeystore.html" title="class in org.apache.orc">InMemoryKeystore</a>&nbsp;addKey(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;keyName,
+                               int&nbsp;version,
+                               <a href="http://orc.apache.org/api/orc-core/org/apache/orc/EncryptionAlgorithm.html?is-external=true" title="class or interface in org.apache.orc">EncryptionAlgorithm</a>&nbsp;algorithm,
+                               byte[]&nbsp;masterKey)
+                        throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
+<div class="block">Function that takes care of adding a new key.<br>
+ A new key can be added only if:
+ <ul>
+ <li>This is a new key and no prior key version exist.</li>
+ <li>If the key exists (has versions), then the new version to be added should be greater than
+ the version that already exists.</li>
+ </ul></div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>keyName</code> - Name of the key to be added</dd>
+<dd><code>version</code> - Key Version</dd>
+<dd><code>algorithm</code> - Algorithm used</dd>
+<dd><code>masterKey</code> - Master key</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>this</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<!-- ========= END OF CLASS DATA ========= -->
+<!-- ======= START OF BOTTOM NAVBAR ====== -->
+<div class="bottomNav"><a name="navbar.bottom">
+<!--   -->
+</a>
+<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div>
+<a name="navbar.bottom.firstrow">
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http://git-wip-us.apache.org/repos/asf/orc/blob/90934777/java/core/orc-core/org/apache/orc/IntegerColumnStatistics.html
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diff --git a/java/core/orc-core/org/apache/orc/IntegerColumnStatistics.html b/java/core/orc-core/org/apache/orc/IntegerColumnStatistics.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<!-- NewPage -->
+<html lang="en">
+<head>
+<!-- Generated by javadoc (1.8.0_121) on Fri Jun 29 11:10:15 PDT 2018 -->
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<title>IntegerColumnStatistics (ORC Core 1.5.2 API)</title>
+<meta name="date" content="2018-06-29">
+<link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
+<script type="text/javascript" src="../../../script.js"></script>
+</head>
+<body>
+<script type="text/javascript"><!--
+    try {
+        if (location.href.indexOf('is-external=true') == -1) {
+            parent.document.title="IntegerColumnStatistics (ORC Core 1.5.2 API)";
+        }
+    }
+    catch(err) {
+    }
+//-->
+var methods = {"i0":6,"i1":6,"i2":6,"i3":6};
+var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],4:["t3","Abstract Methods"]};
+var altColor = "altColor";
+var rowColor = "rowColor";
+var tableTab = "tableTab";
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+</script>
+<noscript>
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+<!-- ========= START OF TOP NAVBAR ======= -->
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+<a name="navbar.top.firstrow">
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+<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/IntegerColumnStatistics.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/orc/InMemoryKeystore.html" title="class in org.apache.orc"><span class="typeNameLink">Prev&nbsp;Class</span></a></li>
+<li><a href="../../../org/apache/orc/MemoryManager.html" title="interface in org.apache.orc"><span class="typeNameLink">Next&nbsp;Class</span></a></li>
+</ul>
+<ul class="navList">
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+  }
+  //-->
+</script>
+</div>
+<div>
+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li>Nested&nbsp;|&nbsp;</li>
+<li>Field&nbsp;|&nbsp;</li>
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+</ul>
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+<!--   -->
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+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">org.apache.orc</div>
+<h2 title="Interface IntegerColumnStatistics" class="title">Interface IntegerColumnStatistics</h2>
+</div>
+<div class="contentContainer">
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Superinterfaces:</dt>
+<dd><a href="../../../org/apache/orc/ColumnStatistics.html" title="interface in org.apache.orc">ColumnStatistics</a></dd>
+</dl>
+<hr>
+<br>
+<pre>public interface <span class="typeNameLabel">IntegerColumnStatistics</span>
+extends <a href="../../../org/apache/orc/ColumnStatistics.html" title="interface in org.apache.orc">ColumnStatistics</a></pre>
+<div class="block">Statistics for all of the integer columns, such as byte, short, int, and
+ long.</div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- ========== METHOD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method.summary">
+<!--   -->
+</a>
+<h3>Method Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<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="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr id="i0" class="altColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/IntegerColumnStatistics.html#getMaximum--">getMaximum</a></span>()</code>
+<div class="block">Get the largest value in the column.</div>
+</td>
+</tr>
+<tr id="i1" class="rowColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/IntegerColumnStatistics.html#getMinimum--">getMinimum</a></span>()</code>
+<div class="block">Get the smallest value in the column.</div>
+</td>
+</tr>
+<tr id="i2" class="altColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/IntegerColumnStatistics.html#getSum--">getSum</a></span>()</code>
+<div class="block">Get the sum of the column.</div>
+</td>
+</tr>
+<tr id="i3" class="rowColor">
+<td class="colFirst"><code>boolean</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/IntegerColumnStatistics.html#isSumDefined--">isSumDefined</a></span>()</code>
+<div class="block">Is the sum defined? If the sum overflowed the counter this will be false.</div>
+</td>
+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="methods.inherited.from.class.org.apache.orc.ColumnStatistics">
+<!--   -->
+</a>
+<h3>Methods inherited from interface&nbsp;org.apache.orc.<a href="../../../org/apache/orc/ColumnStatistics.html" title="interface in org.apache.orc">ColumnStatistics</a></h3>
+<code><a href="../../../org/apache/orc/ColumnStatistics.html#getBytesOnDisk--">getBytesOnDisk</a>, <a href="../../../org/apache/orc/ColumnStatistics.html#getNumberOfValues--">getNumberOfValues</a>, <a href="../../../org/apache/orc/ColumnStatistics.html#hasNull--">hasNull</a></code></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="details">
+<ul class="blockList">
+<li class="blockList">
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method.detail">
+<!--   -->
+</a>
+<h3>Method Detail</h3>
+<a name="getMinimum--">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getMinimum</h4>
+<pre>long&nbsp;getMinimum()</pre>
+<div class="block">Get the smallest value in the column. Only defined if getNumberOfValues
+ is non-zero.</div>
+<dl>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>the minimum</dd>
+</dl>
+</li>
+</ul>
+<a name="getMaximum--">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getMaximum</h4>
+<pre>long&nbsp;getMaximum()</pre>
+<div class="block">Get the largest value in the column. Only defined if getNumberOfValues
+ is non-zero.</div>
+<dl>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>the maximum</dd>
+</dl>
+</li>
+</ul>
+<a name="isSumDefined--">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>isSumDefined</h4>
+<pre>boolean&nbsp;isSumDefined()</pre>
+<div class="block">Is the sum defined? If the sum overflowed the counter this will be false.</div>
+<dl>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>is the sum available</dd>
+</dl>
+</li>
+</ul>
+<a name="getSum--">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>getSum</h4>
+<pre>long&nbsp;getSum()</pre>
+<div class="block">Get the sum of the column. Only valid if isSumDefined returns true.</div>
+<dl>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>the sum of the column</dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<!-- ========= END OF CLASS DATA ========= -->
+<!-- ======= START OF BOTTOM NAVBAR ====== -->
+<div class="bottomNav"><a name="navbar.bottom">
+<!--   -->
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+<ul class="navList" title="Navigation">
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+<li><a href="package-summary.html">Package</a></li>
+<li class="navBarCell1Rev">Class</li>
+<li><a href="class-use/IntegerColumnStatistics.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">
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+<li><a href="../../../org/apache/orc/InMemoryKeystore.html" title="class in org.apache.orc"><span class="typeNameLink">Prev&nbsp;Class</span></a></li>
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+<!-- ======== END OF BOTTOM NAVBAR ======= -->
+<p class="legalCopy"><small>Copyright &#169; 2013&#x2013;2018 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p>
+</body>
+</html>

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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<!-- NewPage -->
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+</dl>
+<dl>
+<dt>Enclosing interface:</dt>
+<dd><a href="../../../org/apache/orc/MemoryManager.html" title="interface in org.apache.orc">MemoryManager</a></dd>
+</dl>
+<hr>
+<br>
+<pre>public static interface <span class="typeNameLabel">MemoryManager.Callback</span></pre>
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+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr id="i0" class="altColor">
+<td class="colFirst"><code>boolean</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/MemoryManager.Callback.html#checkMemory-double-">checkMemory</a></span>(double&nbsp;newScale)</code>
+<div class="block">The writer needs to check its memory usage</div>
+</td>
+</tr>
+</table>
+</li>
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+<h4>checkMemory</h4>
+<pre>boolean&nbsp;checkMemory(double&nbsp;newScale)
+             throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
+<div class="block">The writer needs to check its memory usage</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>newScale</code> - the current scale factor for memory allocations</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>true if the writer was over the limit</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
+</dl>
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http://git-wip-us.apache.org/repos/asf/orc/blob/90934777/java/core/orc-core/org/apache/orc/MemoryManager.html
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+<div class="header">
+<div class="subTitle">org.apache.orc</div>
+<h2 title="Interface MemoryManager" class="title">Interface MemoryManager</h2>
+</div>
+<div class="contentContainer">
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+<dl>
+<dt>All Known Implementing Classes:</dt>
+<dd><a href="../../../org/apache/orc/impl/MemoryManager.html" title="class in org.apache.orc.impl">MemoryManager</a>, <a href="../../../org/apache/orc/impl/MemoryManagerImpl.html" title="class in org.apache.orc.impl">MemoryManagerImpl</a></dd>
+</dl>
+<hr>
+<br>
+<pre>public interface <span class="typeNameLabel">MemoryManager</span></pre>
+<div class="block">A memory manager that keeps a global context of how many ORC
+ writers there are and manages the memory between them. For use cases with
+ dynamic partitions, it is easy to end up with many writers in the same task.
+ By managing the size of each allocation, we try to cut down the size of each
+ allocation and keep the task from running out of memory.
+ 
+ This class is not thread safe, but is re-entrant - ensure creation and all
+ invocations are triggered from the same thread.</div>
+</li>
+</ul>
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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">Interface and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>static interface&nbsp;</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/MemoryManager.Callback.html" title="interface in org.apache.orc">MemoryManager.Callback</a></span></code>&nbsp;</td>
+</tr>
+</table>
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+<!-- ========== METHOD SUMMARY =========== -->
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+<h3>Method Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<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="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr id="i0" class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/MemoryManager.html#addedRow-int-">addedRow</a></span>(int&nbsp;rows)</code>
+<div class="block">Give the memory manager an opportunity for doing a memory check.</div>
+</td>
+</tr>
+<tr id="i1" class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/MemoryManager.html#addWriter-org.apache.hadoop.fs.Path-long-org.apache.orc.MemoryManager.Callback-">addWriter</a></span>(<a href="http://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&nbsp;path,
+         long&nbsp;requestedAllocation,
+         <a href="../../../org/apache/orc/MemoryManager.Callback.html" title="interface in org.apache.orc">MemoryManager.Callback</a>&nbsp;callback)</code>
+<div class="block">Add a new writer's memory allocation to the pool.</div>
+</td>
+</tr>
+<tr id="i2" class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/orc/MemoryManager.html#removeWriter-org.apache.hadoop.fs.Path-">removeWriter</a></span>(<a href="http://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&nbsp;path)</code>
+<div class="block">Remove the given writer from the pool.</div>
+</td>
+</tr>
+</table>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="details">
+<ul class="blockList">
+<li class="blockList">
+<!-- ============ METHOD DETAIL ========== -->
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+<li class="blockList"><a name="method.detail">
+<!--   -->
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+<h3>Method Detail</h3>
+<a name="addWriter-org.apache.hadoop.fs.Path-long-org.apache.orc.MemoryManager.Callback-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>addWriter</h4>
+<pre>void&nbsp;addWriter(<a href="http://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&nbsp;path,
+               long&nbsp;requestedAllocation,
+               <a href="../../../org/apache/orc/MemoryManager.Callback.html" title="interface in org.apache.orc">MemoryManager.Callback</a>&nbsp;callback)
+        throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
+<div class="block">Add a new writer's memory allocation to the pool. We use the path
+ as a unique key to ensure that we don't get duplicates.</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>path</code> - the file that is being written</dd>
+<dd><code>requestedAllocation</code> - the requested buffer size</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
+</dl>
+</li>
+</ul>
+<a name="removeWriter-org.apache.hadoop.fs.Path-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>removeWriter</h4>
+<pre>void&nbsp;removeWriter(<a href="http://hadoop.apache.org/docs/r2.7.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&nbsp;path)
+           throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
+<div class="block">Remove the given writer from the pool.</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>path</code> - the file that has been closed</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
+</dl>
+</li>
+</ul>
+<a name="addedRow-int-">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>addedRow</h4>
+<pre>void&nbsp;addedRow(int&nbsp;rows)
+       throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
+<div class="block">Give the memory manager an opportunity for doing a memory check.</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>rows</code> - number of rows added</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<!-- ========= END OF CLASS DATA ========= -->
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+<li><a href="package-summary.html">Package</a></li>
+<li class="navBarCell1Rev">Class</li>
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+<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>
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