greg/je
1
0
Fork 0
mirror of https://github.com/berkeleydb/je.git synced 2024-11-15 01:46:24 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions
je/docs/java/com/sleepycat/persist/evolve/Deleter.html
Greg Burd 10c9f34f67 Initial import.
2021-06-06 13:46:45 -04:00

396 lines
15 KiB
HTML
Raw Permalink Blame History

<!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_151) on Tue Oct 31 17:36:46 EDT 2017 -->
<title>Deleter (Oracle - Berkeley DB Java Edition API)</title>
<meta name="date" content="2017-10-31">
<link rel="stylesheet" type="text/css" href="../../../../style.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="Deleter (Oracle - Berkeley DB Java Edition API)";
}
}
catch(err) {
}
//-->
var methods = {"i0":10};
var tabs = {65535:["t0","All 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/Deleter.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 class="aboutLanguage"><b>Berkeley DB Java Edition</b><br><font size=\"-1\"> version 7.5.11</font>
</div>
</div>
<div class="subNav">
<ul class="navList">
<li><a href="../../../../com/sleepycat/persist/evolve/DeletedClassException.html" title="class in com.sleepycat.persist.evolve"><span class="typeNameLink">Prev&nbsp;Class</span></a></li>
<li><a href="../../../../com/sleepycat/persist/evolve/EntityConverter.html" title="class in com.sleepycat.persist.evolve"><span class="typeNameLink">Next&nbsp;Class</span></a></li>
</ul>
<ul class="navList">
<li><a href="../../../../index.html?com/sleepycat/persist/evolve/Deleter.html" target="_top">Frames</a></li>
<li><a href="Deleter.html" target="_top">No&nbsp;Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_top">
<li><a href="../../../../allclasses-noframe.html">All&nbsp;Classes</a></li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_top");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
</div>
<div>
<ul class="subNavList">
<li>Summary:&nbsp;</li>
<li>Nested&nbsp;|&nbsp;</li>
<li>Field&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>Field&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">com.sleepycat.persist.evolve</div>
<h2 title="Class Deleter" class="title">Class Deleter</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li><a href="../../../../com/sleepycat/persist/evolve/Mutation.html" title="class in com.sleepycat.persist.evolve">com.sleepycat.persist.evolve.Mutation</a></li>
<li>
<ul class="inheritance">
<li>com.sleepycat.persist.evolve.Deleter</li>
</ul>
</li>
</ul>
</li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>All Implemented Interfaces:</dt>
<dd>java.io.Serializable</dd>
</dl>
<hr>
<br>
<pre>public class <span class="typeNameLabel">Deleter</span>
extends <a href="../../../../com/sleepycat/persist/evolve/Mutation.html" title="class in com.sleepycat.persist.evolve">Mutation</a></pre>
<div class="block">A mutation for deleting an entity class or field.
<p><strong>WARNING:</strong> The data for the deleted class or field will be
destroyed and will be recoverable only by restoring from backup. If you
wish to convert the instance data to a different type or format, use a
<a href="../../../../com/sleepycat/persist/evolve/Conversion.html" title="interface in com.sleepycat.persist.evolve"><code>Conversion</code></a> mutation instead.</p>
<p>For example, to delete a field:</p>
<pre class="code">
package my.package;
// The old class. Version 0 is implied.
//
@Entity
class Person {
String name;
String favoriteColors;
}
// The new class. A new version number must be assigned.
//
@Entity(version=1)
class Person {
String name;
}
// Add the mutation for deleting a field.
//
Mutations mutations = new Mutations();
mutations.addDeleter(new Deleter(Person.class.getName(), 0,
"favoriteColors");
// Configure the mutations as described <a href="../../../../com/sleepycat/persist/evolve/Mutations.html" title="class in com.sleepycat.persist.evolve"><code>here</code></a>.</pre>
<p>To delete an entity class:</p>
<pre class="code">
package my.package;
// The old class. Version 0 is implied.
//
@Entity
class Statistics {
...
}
// Add the mutation for deleting a class.
//
Mutations mutations = new Mutations();
mutations.addDeleter(new Deleter("my.package.Statistics", 0));
// Configure the mutations as described <a href="../../../../com/sleepycat/persist/evolve/Mutations.html" title="class in com.sleepycat.persist.evolve"><code>here</code></a>.</pre></div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Mark Hayes</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../com/sleepycat/persist/evolve/package-summary.html"><code>Class Evolution</code></a>,
<a href="../../../../serialized-form.html#com.sleepycat.persist.evolve.Deleter">Serialized Form</a></dd>
</dl>
</li>
</ul>
</div>
<div class="summary">
<ul class="blockList">
<li class="blockList">
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor.summary">
<!-- -->
</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="../../../../com/sleepycat/persist/evolve/Deleter.html#Deleter-java.lang.String-int-">Deleter</a></span>(java.lang.String&nbsp;className,
int&nbsp;classVersion)</code>
<div class="block">Creates a mutation for deleting an entity class.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/sleepycat/persist/evolve/Deleter.html#Deleter-java.lang.String-int-java.lang.String-">Deleter</a></span>(java.lang.String&nbsp;declaringClass,
int&nbsp;declaringClassVersion,
java.lang.String&nbsp;fieldName)</code>
<div class="block">Creates a mutation for deleting the given field from all instances of
the given class version.</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="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>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/sleepycat/persist/evolve/Deleter.html#toString--">toString</a></span>()</code>&nbsp;</td>
</tr>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.com.sleepycat.persist.evolve.Mutation">
<!-- -->
</a>
<h3>Methods inherited from class&nbsp;com.sleepycat.persist.evolve.<a href="../../../../com/sleepycat/persist/evolve/Mutation.html" title="class in com.sleepycat.persist.evolve">Mutation</a></h3>
<code><a href="../../../../com/sleepycat/persist/evolve/Mutation.html#equals-java.lang.Object-">equals</a>, <a href="../../../../com/sleepycat/persist/evolve/Mutation.html#getClassName--">getClassName</a>, <a href="../../../../com/sleepycat/persist/evolve/Mutation.html#getClassVersion--">getClassVersion</a>, <a href="../../../../com/sleepycat/persist/evolve/Mutation.html#getFieldName--">getFieldName</a>, <a href="../../../../com/sleepycat/persist/evolve/Mutation.html#hashCode--">hashCode</a></code></li>
</ul>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
<!-- -->
</a>
<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, finalize, getClass, notify, notifyAll, wait, wait, wait</code></li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
<div class="details">
<ul class="blockList">
<li class="blockList">
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor.detail">
<!-- -->
</a>
<h3>Constructor Detail</h3>
<a name="Deleter-java.lang.String-int-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>Deleter</h4>
<pre>public&nbsp;Deleter(java.lang.String&nbsp;className,
int&nbsp;classVersion)</pre>
<div class="block">Creates a mutation for deleting an entity class.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>className</code> - the class to which this mutation applies.</dd>
<dd><code>classVersion</code> - the class version to which this mutation applies.</dd>
</dl>
</li>
</ul>
<a name="Deleter-java.lang.String-int-java.lang.String-">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>Deleter</h4>
<pre>public&nbsp;Deleter(java.lang.String&nbsp;declaringClass,
int&nbsp;declaringClassVersion,
java.lang.String&nbsp;fieldName)</pre>
<div class="block">Creates a mutation for deleting the given field from all instances of
the given class version.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>declaringClass</code> - the class to which this mutation applies.</dd>
<dd><code>declaringClassVersion</code> - the class version to which this mutation
applies.</dd>
<dd><code>fieldName</code> - field name to which this mutation applies.</dd>
</dl>
</li>
</ul>
</li>
</ul>
<!-- ============ METHOD DETAIL ========== -->
<ul class="blockList">
<li class="blockList"><a name="method.detail">
<!-- -->
</a>
<h3>Method Detail</h3>
<a name="toString--">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>toString</h4>
<pre>public&nbsp;java.lang.String&nbsp;toString()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../com/sleepycat/persist/evolve/Mutation.html#toString--">toString</a></code>&nbsp;in class&nbsp;<code><a href="../../../../com/sleepycat/persist/evolve/Mutation.html" title="class in com.sleepycat.persist.evolve">Mutation</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">
<!-- -->
</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/Deleter.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 class="aboutLanguage"><b>Berkeley DB Java Edition</b><br><font size=\"-1\"> version 7.5.11</font>
</div>
</div>
<div class="subNav">
<ul class="navList">
<li><a href="../../../../com/sleepycat/persist/evolve/DeletedClassException.html" title="class in com.sleepycat.persist.evolve"><span class="typeNameLink">Prev&nbsp;Class</span></a></li>
<li><a href="../../../../com/sleepycat/persist/evolve/EntityConverter.html" title="class in com.sleepycat.persist.evolve"><span class="typeNameLink">Next&nbsp;Class</span></a></li>
</ul>
<ul class="navList">
<li><a href="../../../../index.html?com/sleepycat/persist/evolve/Deleter.html" target="_top">Frames</a></li>
<li><a href="Deleter.html" target="_top">No&nbsp;Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_bottom">
<li><a href="../../../../allclasses-noframe.html">All&nbsp;Classes</a></li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_bottom");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
</div>
<div>
<ul class="subNavList">
<li>Summary:&nbsp;</li>
<li>Nested&nbsp;|&nbsp;</li>
<li>Field&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>Field&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.bottom">
<!-- -->
</a></div>
<!-- ======== END OF BOTTOM NAVBAR ======= -->
<p class="legalCopy"><small><font size=1>Copyright (c) 2002, 2017 Oracle and/or its affiliates. All rights reserved.</font> </small></p>
</body>
</html>
Reference in a new issue View git blame Copy permalink