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https://github.com/yasuhirokimura/db18
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Yasuhiro KIMURA
647 lines
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647 lines
31 KiB
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<div class="aboutLanguage"><b>Berkeley DB</b><br><font size="-1"> version 18.1.40</font></div>
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<div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">com.sleepycat.db</a></div>
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<h2 title="Class VerifyConfig" class="title">Class VerifyConfig</h2>
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<li>java.lang.Object</li>
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<li>com.sleepycat.db.VerifyConfig</li>
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<pre>public class <span class="typeNameLabel">VerifyConfig</span>
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extends java.lang.Object</pre>
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<div class="block">Specifies the attributes of a verification operation.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><code>static <a href="VerifyConfig.html" title="class in com.sleepycat.db">VerifyConfig</a></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#DEFAULT">DEFAULT</a></span></code></th>
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<td class="colLast">
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<div class="block">Default configuration used if null is passed to
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<a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a>.</div>
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<th class="colFirst" scope="col">Constructor</th>
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<th class="colLast" scope="col">Description</th>
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<tr class="altColor">
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#VerifyConfig--">VerifyConfig</a></span>()</code></th>
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<td class="colLast">
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<div class="block">An instance created using the default constructor is initialized
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with the system's default settings.</div>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colSecond" scope="col">Method</th>
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<th class="colLast" scope="col">Description</th>
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</tr>
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<tr id="i0" class="altColor">
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<td class="colFirst"><code>boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAggressive--">getAggressive</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Return true if the <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> is configured to output
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<b>all</b> the key/data pairs in the file that can be found.</div>
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</td>
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</tr>
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<tr id="i1" class="rowColor">
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<td class="colFirst"><code>boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNoOrderCheck--">getNoOrderCheck</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Return true if the <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> is configured to skip the
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database checks for btree and duplicate sort order and for hashing.</div>
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</td>
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</tr>
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<tr id="i2" class="altColor">
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<td class="colFirst"><code>boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOrderCheckOnly--">getOrderCheckOnly</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Return true if the <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> is configured to do database
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checks for btree and duplicate sort order and for hashing, skipped
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by verification operations configured by <a href="#setNoOrderCheck-boolean-"><code>VerifyConfig.setNoOrderCheck</code></a>.</div>
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</td>
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</tr>
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<tr id="i3" class="rowColor">
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<td class="colFirst"><code>boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPrintable--">getPrintable</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Return true if the <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> is configured to use printing
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characters to where possible.</div>
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</td>
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</tr>
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<tr id="i4" class="altColor">
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<td class="colFirst"><code>boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSalvage--">getSalvage</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Return true if the <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> is configured to write the
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key/data pairs from all databases in the file to the file stream
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named by the outfile parameter..</div>
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</td>
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</tr>
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<tr id="i5" class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setAggressive-boolean-">setAggressive</a></span>​(boolean aggressive)</code></th>
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<td class="colLast">
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<div class="block">Configure <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> to output <b>all</b> the
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key/data pairs in the file that can be found.</div>
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</td>
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</tr>
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<tr id="i6" class="altColor">
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<td class="colFirst"><code>void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setNoOrderCheck-boolean-">setNoOrderCheck</a></span>​(boolean noOrderCheck)</code></th>
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<td class="colLast">
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<div class="block">Configure <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> to skip the database checks for
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btree and duplicate sort order and for hashing.</div>
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</td>
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</tr>
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<tr id="i7" class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setOrderCheckOnly-boolean-">setOrderCheckOnly</a></span>​(boolean orderCheckOnly)</code></th>
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<td class="colLast">
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<div class="block">Configure <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> to do database checks for btree
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and duplicate sort order and for hashing, skipped by verification
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operations configured by <a href="#setNoOrderCheck-boolean-"><code>VerifyConfig.setNoOrderCheck</code></a>.</div>
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</td>
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</tr>
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<tr id="i8" class="altColor">
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<td class="colFirst"><code>void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setPrintable-boolean-">setPrintable</a></span>​(boolean printable)</code></th>
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<td class="colLast">
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<div class="block">Configure <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> to use printing characters to
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where possible.</div>
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</td>
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</tr>
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<tr id="i9" class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setSalvage-boolean-">setSalvage</a></span>​(boolean salvage)</code></th>
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<td class="colLast">
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<div class="block">Configure <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> to write the key/data pairs from
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all databases in the file to the file stream named by the outfile
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parameter.</div>
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</td>
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<h3>Methods inherited from class java.lang.Object</h3>
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<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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</ul>
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<h3>Field Detail</h3>
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<h4>DEFAULT</h4>
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<pre>public static final <a href="VerifyConfig.html" title="class in com.sleepycat.db">VerifyConfig</a> DEFAULT</pre>
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<div class="block">Default configuration used if null is passed to
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<a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a>.</div>
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</li>
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</ul>
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<h3>Constructor Detail</h3>
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<a name="VerifyConfig--">
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<h4>VerifyConfig</h4>
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<pre>public VerifyConfig()</pre>
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<div class="block">An instance created using the default constructor is initialized
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with the system's default settings.</div>
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</li>
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</ul>
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</li>
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<a name="setAggressive-boolean-">
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<h4>setAggressive</h4>
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<pre class="methodSignature">public void setAggressive​(boolean aggressive)</pre>
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<div class="block">Configure <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> to output <b>all</b> the
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key/data pairs in the file that can be found.
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<p>
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By default, <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> does not assume corruption.
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For example, if a key/data pair on a page is marked as deleted, it
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is not then written to the output file. When <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> is configured with this method, corruption is assumed, and
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any key/data pair that can be found is written. In this case,
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key/data pairs that are corrupted or have been deleted may appear
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in the output (even if the file being salvaged is in no way
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corrupt), and the output will almost certainly require editing
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before being loaded into a database.
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<p></div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>aggressive</code> - If true, configure <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> to output <b>all</b>
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the key/data pairs in the file that can be found.</dd>
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</dl>
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</li>
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</ul>
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<a name="getAggressive--">
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<h4>getAggressive</h4>
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<pre class="methodSignature">public boolean getAggressive()</pre>
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<div class="block">Return true if the <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> is configured to output
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<b>all</b> the key/data pairs in the file that can be found.
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<p>
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This method may be called at any time during the life of the application.
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<p></div>
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<dl>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>True if the <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> is configured to output
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<b>all</b> the key/data pairs in the file that can be found.</dd>
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</dl>
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</li>
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</ul>
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<a name="setNoOrderCheck-boolean-">
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<h4>setNoOrderCheck</h4>
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<pre class="methodSignature">public void setNoOrderCheck​(boolean noOrderCheck)</pre>
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<div class="block">Configure <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> to skip the database checks for
|
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btree and duplicate sort order and for hashing.
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<p>
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<a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> normally verifies that btree keys and
|
|
duplicate items are correctly sorted, and hash keys are correctly
|
|
hashed. If the file being verified contains multiple databases
|
|
using differing sorting or hashing algorithms, some of them must
|
|
necessarily fail database verification because only one sort order
|
|
or hash function can be specified before <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a>
|
|
is called. To verify files with multiple databases having differing
|
|
sorting orders or hashing functions, first perform verification of
|
|
the file as a whole using <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> configured with
|
|
<a href="#setNoOrderCheck-boolean-"><code>VerifyConfig.setNoOrderCheck</code></a>, and then individually verify
|
|
the sort order and hashing function for each database in the file
|
|
using 4_link(Database, verify) configured with <a href="#setOrderCheckOnly-boolean-"><code>VerifyConfig.setOrderCheckOnly</code></a>.
|
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<p></div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
|
|
<dd><code>noOrderCheck</code> - If true, configure <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> to skip the database
|
|
checks for btree and duplicate sort order and for hashing.</dd>
|
|
</dl>
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</li>
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</ul>
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<a name="getNoOrderCheck--">
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</a>
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<ul class="blockList">
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<h4>getNoOrderCheck</h4>
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<pre class="methodSignature">public boolean getNoOrderCheck()</pre>
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<div class="block">Return true if the <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> is configured to skip the
|
|
database checks for btree and duplicate sort order and for hashing.
|
|
<p>
|
|
This method may be called at any time during the life of the application.
|
|
<p></div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>True if the <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> is configured to skip the
|
|
database checks for btree and duplicate sort order and for hashing.</dd>
|
|
</dl>
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</li>
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</ul>
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<a name="setOrderCheckOnly-boolean-">
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</a>
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<ul class="blockList">
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<h4>setOrderCheckOnly</h4>
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<pre class="methodSignature">public void setOrderCheckOnly​(boolean orderCheckOnly)</pre>
|
|
<div class="block">Configure <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> to do database checks for btree
|
|
and duplicate sort order and for hashing, skipped by verification
|
|
operations configured by <a href="#setNoOrderCheck-boolean-"><code>VerifyConfig.setNoOrderCheck</code></a>.
|
|
<p>
|
|
When this flag is specified, a database name must be specified to
|
|
<a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a>, indicating the database in the physical
|
|
file which is to be checked.
|
|
<p>
|
|
This configuration is only safe to use on databases that have
|
|
already successfully been verified with <a href="#setNoOrderCheck-boolean-"><code>VerifyConfig.setNoOrderCheck</code></a> configured.
|
|
<p></div>
|
|
<dl>
|
|
<dt><span class="paramLabel">Parameters:</span></dt>
|
|
<dd><code>orderCheckOnly</code> - If true, configure <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> to do database checks
|
|
for btree and duplicate sort order and for hashing, skipped by
|
|
verification operations configured by <a href="#setNoOrderCheck-boolean-"><code>VerifyConfig.setNoOrderCheck</code></a>.</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
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<a name="getOrderCheckOnly--">
|
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</a>
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<ul class="blockList">
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<li class="blockList">
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<h4>getOrderCheckOnly</h4>
|
|
<pre class="methodSignature">public boolean getOrderCheckOnly()</pre>
|
|
<div class="block">Return true if the <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> is configured to do database
|
|
checks for btree and duplicate sort order and for hashing, skipped
|
|
by verification operations configured by <a href="#setNoOrderCheck-boolean-"><code>VerifyConfig.setNoOrderCheck</code></a>.
|
|
<p>
|
|
This method may be called at any time during the life of the application.
|
|
<p></div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>True if the <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> is configured to do database
|
|
checks for btree and duplicate sort order and for hashing, skipped
|
|
by verification operations configured by <a href="#setNoOrderCheck-boolean-"><code>VerifyConfig.setNoOrderCheck</code></a>.</dd>
|
|
</dl>
|
|
</li>
|
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</ul>
|
|
<a name="setPrintable-boolean-">
|
|
<!-- -->
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</a>
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<li class="blockList">
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<h4>setPrintable</h4>
|
|
<pre class="methodSignature">public void setPrintable​(boolean printable)</pre>
|
|
<div class="block">Configure <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> to use printing characters to
|
|
where possible.
|
|
<p>
|
|
This method is only meaningful when combined with
|
|
<a href="#setSalvage-boolean-"><code>VerifyConfig.setSalvage</code></a>.
|
|
<p>
|
|
This configuration permits users to use standard text editors and
|
|
tools to modify the contents of databases or selectively remove data
|
|
from salvager output.
|
|
<p>
|
|
Note: different systems may have different notions about what characters
|
|
are considered <em>printing characters</em>, and databases dumped in
|
|
this manner may be less portable to external systems.
|
|
<p></div>
|
|
<dl>
|
|
<dt><span class="paramLabel">Parameters:</span></dt>
|
|
<dd><code>printable</code> - If true, configure <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> to use printing
|
|
characters to where possible.</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getPrintable--">
|
|
<!-- -->
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</a>
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<ul class="blockList">
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<li class="blockList">
|
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<h4>getPrintable</h4>
|
|
<pre class="methodSignature">public boolean getPrintable()</pre>
|
|
<div class="block">Return true if the <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> is configured to use printing
|
|
characters to where possible.
|
|
<p>
|
|
This method may be called at any time during the life of the application.
|
|
<p></div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>True if the <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> is configured to use printing
|
|
characters to where possible.</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="setSalvage-boolean-">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
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<h4>setSalvage</h4>
|
|
<pre class="methodSignature">public void setSalvage​(boolean salvage)</pre>
|
|
<div class="block">Configure <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> to write the key/data pairs from
|
|
all databases in the file to the file stream named by the outfile
|
|
parameter.
|
|
<p>
|
|
The output format is the same as that specified for the db_dump
|
|
utility, and can be used as input for the db_load utility.
|
|
<p>
|
|
Because the key/data pairs are output in page order as opposed to the
|
|
sort order used by db_dump, using <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> to dump
|
|
key/data pairs normally produces less than optimal loads for Btree
|
|
databases.
|
|
<p></div>
|
|
<dl>
|
|
<dt><span class="paramLabel">Parameters:</span></dt>
|
|
<dd><code>salvage</code> - If true, configure <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> to write the key/data
|
|
pairs from all databases in the file to the file stream named by the
|
|
outfile parameter.</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getSalvage--">
|
|
<!-- -->
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</a>
|
|
<ul class="blockListLast">
|
|
<li class="blockList">
|
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<h4>getSalvage</h4>
|
|
<pre class="methodSignature">public boolean getSalvage()</pre>
|
|
<div class="block">Return true if the <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> is configured to write the
|
|
key/data pairs from all databases in the file to the file stream
|
|
named by the outfile parameter..
|
|
<p>
|
|
This method may be called at any time during the life of the application.
|
|
<p></div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>True if the <a href="Database.html#verify-java.lang.String-java.lang.String-java.io.PrintStream-com.sleepycat.db.VerifyConfig-com.sleepycat.db.DatabaseConfig-"><code>Database.verify</code></a> is configured to write the
|
|
key/data pairs from all databases in the file to the file stream
|
|
named by the outfile parameter..</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
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</li>
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</ul>
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</div>
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</div>
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