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eclipse / gerrit / www.eclipse.org / openj9 / docs / eda6f0b9157feffd135f8b19f99c44da9b5dde9d / . / api / jdk11 / openj9.dtfjview / com / ibm / jvm / dtfjview / heapdump / portable / PortableHeapDumpRecord.html
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<h2 title="Class PortableHeapDumpRecord" class="title">Class PortableHeapDumpRecord</h2>
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<ul class="inheritance">
<li><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">java.lang.Object</a></li>
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<li>com.ibm.jvm.dtfjview.heapdump.portable.PortableHeapDumpRecord</li>
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<dd><code><a href="ClassRecord.html" title="class in com.ibm.jvm.dtfjview.heapdump.portable">ClassRecord</a></code>, <code><a href="LongPrimitiveArrayRecord.html" title="class in com.ibm.jvm.dtfjview.heapdump.portable">LongPrimitiveArrayRecord</a></code>, <code><a href="ObjectRecord.html" title="class in com.ibm.jvm.dtfjview.heapdump.portable">ObjectRecord</a></code>, <code><a href="PrimitiveArrayRecord.html" title="class in com.ibm.jvm.dtfjview.heapdump.portable">PrimitiveArrayRecord</a></code></dd>
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<pre>public abstract class <span class="typeNameLabel">PortableHeapDumpRecord</span>
extends <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">Object</a></pre>
<div class="block">Base class for all PHD records.
Contains logic common to relative-addressed entities with references</div>
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<table class="memberSummary">
<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected long</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#_baseAddress">_baseAddress</a></span></code></th>
<td class="colLast">
<div class="block">Address diff-addresses are based from</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected long</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#_gapPreceding">_gapPreceding</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected byte</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#_gapSize">_gapSize</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#_numberOfReferences">_numberOfReferences</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected byte</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#_referenceFieldSize">_referenceFieldSize</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../ReferenceIterator.html" title="interface in com.ibm.jvm.dtfjview.heapdump">ReferenceIterator</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#_references">_references</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ADDRESS_SHIFT_SIZE">ADDRESS_SHIFT_SIZE</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static byte</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#EIGHT_BYTE_REF">EIGHT_BYTE_REF</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static byte</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#FOUR_BYTE_REF">FOUR_BYTE_REF</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static byte</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ONE_BYTE_REF">ONE_BYTE_REF</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static byte</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#TWO_BYTE_REF">TWO_BYTE_REF</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<th class="colFirst" scope="col">Modifier</th>
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<td class="colFirst"><code>protected </code></td>
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(long,long,com.ibm.jvm.dtfjview.heapdump.ReferenceIterator)">PortableHeapDumpRecord</a></span>&#8203;(long&nbsp;address,
long&nbsp;previousAddress,
<a href="../ReferenceIterator.html" title="interface in com.ibm.jvm.dtfjview.heapdump">ReferenceIterator</a>&nbsp;references)</code></th>
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<td class="colFirst"><code>protected static long</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAddressDifference(long,long)">getAddressDifference</a></span>&#8203;(long&nbsp;address,
long&nbsp;base)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected <a href="../ReferenceIterator.html" title="interface in com.ibm.jvm.dtfjview.heapdump">ReferenceIterator</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDifferenceReferences(com.ibm.jvm.dtfjview.heapdump.ReferenceIterator,long)">getDifferenceReferences</a></span>&#8203;(<a href="../ReferenceIterator.html" title="interface in com.ibm.jvm.dtfjview.heapdump">ReferenceIterator</a>&nbsp;input,
long&nbsp;base)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>protected static byte</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#sizeofReference(long)">sizeofReference</a></span>&#8203;(long&nbsp;reference)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>protected abstract void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#writeHeapDump(java.io.DataOutput)">writeHeapDump</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/DataOutput.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">DataOutput</a>&nbsp;out)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#writeReference(java.io.DataOutput,byte,long)">writeReference</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/DataOutput.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">DataOutput</a>&nbsp;dos,
byte&nbsp;size,
long&nbsp;reference)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#writeReferences(java.io.DataOutput)">writeReferences</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/DataOutput.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">DataOutput</a>&nbsp;out)</code></th>
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<h3>Methods declared in class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink" target="_blank">clone</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink" target="_blank">equals</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink" target="_blank">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink" target="_blank">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink" target="_blank">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink" target="_blank">notify</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink" target="_blank">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink" target="_blank">toString</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink" target="_blank">wait</a></code></li>
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<h4>ONE_BYTE_REF</h4>
<pre>public static final&nbsp;byte ONE_BYTE_REF</pre>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../../constant-values.html#com.ibm.jvm.dtfjview.heapdump.portable.PortableHeapDumpRecord.ONE_BYTE_REF">Constant Field Values</a></dd>
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<h4>TWO_BYTE_REF</h4>
<pre>public static final&nbsp;byte TWO_BYTE_REF</pre>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../../constant-values.html#com.ibm.jvm.dtfjview.heapdump.portable.PortableHeapDumpRecord.TWO_BYTE_REF">Constant Field Values</a></dd>
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<h4>FOUR_BYTE_REF</h4>
<pre>public static final&nbsp;byte FOUR_BYTE_REF</pre>
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<h4>EIGHT_BYTE_REF</h4>
<pre>public static final&nbsp;byte EIGHT_BYTE_REF</pre>
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<dd><a href="../../../../../../../constant-values.html#com.ibm.jvm.dtfjview.heapdump.portable.PortableHeapDumpRecord.EIGHT_BYTE_REF">Constant Field Values</a></dd>
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<h4>ADDRESS_SHIFT_SIZE</h4>
<pre>public static final&nbsp;int ADDRESS_SHIFT_SIZE</pre>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../../constant-values.html#com.ibm.jvm.dtfjview.heapdump.portable.PortableHeapDumpRecord.ADDRESS_SHIFT_SIZE">Constant Field Values</a></dd>
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<h4>_baseAddress</h4>
<pre>protected final&nbsp;long _baseAddress</pre>
<div class="block">Address diff-addresses are based from</div>
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<h4>_references</h4>
<pre>protected final&nbsp;<a href="../ReferenceIterator.html" title="interface in com.ibm.jvm.dtfjview.heapdump">ReferenceIterator</a> _references</pre>
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<h4>_referenceFieldSize</h4>
<pre>protected final&nbsp;byte _referenceFieldSize</pre>
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<pre>protected final&nbsp;long _gapPreceding</pre>
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<h4>_gapSize</h4>
<pre>protected final&nbsp;byte _gapSize</pre>
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<h4>_numberOfReferences</h4>
<pre>protected&nbsp;int _numberOfReferences</pre>
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<h4>PortableHeapDumpRecord</h4>
<pre>protected&nbsp;PortableHeapDumpRecord&#8203;(long&nbsp;address,
long&nbsp;previousAddress,
<a href="../ReferenceIterator.html" title="interface in com.ibm.jvm.dtfjview.heapdump">ReferenceIterator</a>&nbsp;references)</pre>
<div class="block">Constructor</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>baseAddress</code> - The address to base the relative reference addresses from</dd>
<dd><code>references</code> - Iterator of regular (absolute) references</dd>
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<pre class="methodSignature">protected static&nbsp;byte&nbsp;sizeofReference&#8203;(long&nbsp;reference)</pre>
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<pre class="methodSignature">protected&nbsp;<a href="../ReferenceIterator.html" title="interface in com.ibm.jvm.dtfjview.heapdump">ReferenceIterator</a>&nbsp;getDifferenceReferences&#8203;(<a href="../ReferenceIterator.html" title="interface in com.ibm.jvm.dtfjview.heapdump">ReferenceIterator</a>&nbsp;input,
long&nbsp;base)</pre>
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<pre class="methodSignature">protected static&nbsp;long&nbsp;getAddressDifference&#8203;(long&nbsp;address,
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<pre class="methodSignature">protected final&nbsp;void&nbsp;writeReferences&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/DataOutput.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">DataOutput</a>&nbsp;out)
throws <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">IOException</a></pre>
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<dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">IOException</a></code></dd>
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<pre class="methodSignature">protected&nbsp;void&nbsp;writeReference&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/DataOutput.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">DataOutput</a>&nbsp;dos,
byte&nbsp;size,
long&nbsp;reference)
throws <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">IOException</a></pre>
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<dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">IOException</a></code></dd>
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<pre class="methodSignature">protected abstract&nbsp;void&nbsp;writeHeapDump&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/DataOutput.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">DataOutput</a>&nbsp;out)
throws <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">IOException</a></pre>
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