api/jdk16/openj9.dtfjview/com/ibm/jvm/dtfjview/heapdump/HeapDumpFormatter.html - www.eclipse.org/openj9/docs - Git at Google

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 <div class="sub-title"><span class="module-label-in-type">Module</span>&nbsp;<a href="../../../../../module-summary.html">openj9.dtfjview</a></div>
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">com.ibm.jvm.dtfjview.heapdump</a></div>
 <h1 title="Class HeapDumpFormatter" class="title">Class HeapDumpFormatter</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">java.lang.Object</a>
 <div class="inheritance">com.ibm.jvm.dtfjview.heapdump.HeapDumpFormatter</div>
 </div>
 <section class="description">
 <dl class="notes">
 <dt>Direct Known Subclasses:</dt>
 <dd><code><a href="classic/ClassicHeapDumpFormatter.html" title="class in com.ibm.jvm.dtfjview.heapdump.classic">ClassicHeapDumpFormatter</a></code>, <code><a href="portable/PortableHeapDumpFormatter.html" title="class in com.ibm.jvm.dtfjview.heapdump.portable">PortableHeapDumpFormatter</a></code></dd>
 </dl>
 <hr>
 <div class="type-signature"><span class="modifiers">public abstract class </span><span class="element-name type-name-label">HeapDumpFormatter</span>
 <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">Object</a></span></div>
 <div class="block">Abstract class to decouple the formatting of heapdumps from the walking of
  the internal data structures that hold the source data.</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- =========== FIELD SUMMARY =========== -->
 <li>
 <section class="field-summary" id="field.summary">
 <h2>Field Summary</h2>
 <div class="caption"><span>Fields</span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Field</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>protected boolean</code></div>
 <div class="col-second even-row-color"><code><span class="member-name-link"><a href="#_is64Bit">_is64Bit</a></span></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>protected <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a></code></div>
 <div class="col-second odd-row-color"><code><span class="member-name-link"><a href="#_version">_version</a></span></code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor.summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier</div>
 <div class="table-header col-second">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>protected </code></div>
 <div class="col-constructor-name even-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(java.lang.String,boolean)">HeapDumpFormatter</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a>&nbsp;version,
  boolean&nbsp;is64Bit)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Constructor</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method.summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab3" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab3', 3)" class="table-tab">Abstract Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>abstract void</code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#addClass(long,java.lang.String,long,int,long,int,com.ibm.jvm.dtfjview.heapdump.ReferenceIterator)">addClass</a></span>&#8203;(long&nbsp;address,
  <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a>&nbsp;name,
  long&nbsp;superClassAddress,
  int&nbsp;size,
  long&nbsp;instanceSize,
  int&nbsp;hashCode,
  <a href="ReferenceIterator.html" title="interface in com.ibm.jvm.dtfjview.heapdump">ReferenceIterator</a>&nbsp;references)</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3">
 <div class="block">Adds a class to the heapdump.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>abstract void</code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#addObject(long,long,java.lang.String,int,int,com.ibm.jvm.dtfjview.heapdump.ReferenceIterator)">addObject</a></span>&#8203;(long&nbsp;address,
  long&nbsp;classAddress,
  <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a>&nbsp;className,
  int&nbsp;size,
  int&nbsp;hashCode,
  <a href="ReferenceIterator.html" title="interface in com.ibm.jvm.dtfjview.heapdump">ReferenceIterator</a>&nbsp;references)</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3">
 <div class="block">Adds an object to the heapdump.</div>
 </div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>abstract void</code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#addObjectArray(long,long,java.lang.String,long,java.lang.String,long,int,int,com.ibm.jvm.dtfjview.heapdump.ReferenceIterator)">addObjectArray</a></span>&#8203;(long&nbsp;address,
  long&nbsp;arrayClassAddress,
  <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a>&nbsp;arrayClassName,
  long&nbsp;elementClassAddress,
  <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a>&nbsp;elementClassName,
  long&nbsp;size,
  int&nbsp;numberOfElements,
  int&nbsp;hashCode,
  <a href="ReferenceIterator.html" title="interface in com.ibm.jvm.dtfjview.heapdump">ReferenceIterator</a>&nbsp;references)</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3">
 <div class="block">Adds an object array to the heapdump.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>abstract void</code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#addPrimitiveArray(long,long,int,long,int,int)">addPrimitiveArray</a></span>&#8203;(long&nbsp;address,
  long&nbsp;arrayClassAddress,
  int&nbsp;type,
  long&nbsp;size,
  int&nbsp;hashCode,
  int&nbsp;numberOfElements)</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3">
 <div class="block">Adds a primitive array object to the heapdump

  Type code is: 0 - bool, 1 - char, 2 - float, 3 - double, 4 - byte, 5 - short, 6 -
  int, 7 - long</div>
 </div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>abstract void</code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#close()">close</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3">
 <div class="block">Closes the heapdump</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods.inherited.from.class.java.lang.Object">Methods declared in class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link" target="_blank">clone</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link" target="_blank">equals</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link" target="_blank">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link" target="_blank">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link" target="_blank">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link" target="_blank">notify</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link" target="_blank">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link" target="_blank">toString</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link" target="_blank">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ============ FIELD DETAIL =========== -->
 <li>
 <section class="field-details" id="field.detail">
 <h2>Field Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="_version">
 <h3>_version</h3>
 <div class="member-signature"><span class="modifiers">protected final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a></span>&nbsp;<span class="element-name">_version</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="_is64Bit">
 <h3>_is64Bit</h3>
 <div class="member-signature"><span class="modifiers">protected final</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">_is64Bit</span></div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor.detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(java.lang.String,boolean)">
 <h3>HeapDumpFormatter</h3>
 <div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="element-name">HeapDumpFormatter</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a>&nbsp;version,
  boolean&nbsp;is64Bit)</span></div>
 <div class="block">Constructor</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>version</code> - JVM version information to be included in heapdump header</dd>
 <dd><code>is64Bit</code> - True if we are dumping a 64 bit image, false otherwise</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method.detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="addClass(long,java.lang.String,long,int,long,int,com.ibm.jvm.dtfjview.heapdump.ReferenceIterator)">
 <h3>addClass</h3>
 <div class="member-signature"><span class="modifiers">public abstract</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">addClass</span>&#8203;<span class="parameters">(long&nbsp;address,
  <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a>&nbsp;name,
  long&nbsp;superClassAddress,
  int&nbsp;size,
  long&nbsp;instanceSize,
  int&nbsp;hashCode,
  <a href="ReferenceIterator.html" title="interface in com.ibm.jvm.dtfjview.heapdump">ReferenceIterator</a>&nbsp;references)</span>
                        throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></span></div>
 <div class="block">Adds a class to the heapdump.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>address</code> - Address of class</dd>
 <dd><code>name</code> - Name of class</dd>
 <dd><code>superClassAddress</code> - Address of superclass</dd>
 <dd><code>size</code> - Size of class, bytes</dd>
 <dd><code>instanceSize</code> - Size of objects of this class</dd>
 <dd><code>hashCode</code> - Hashcode</dd>
 <dd><code>references</code> - Iterator of Long addresses (some of which may be null)</dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="addObject(long,long,java.lang.String,int,int,com.ibm.jvm.dtfjview.heapdump.ReferenceIterator)">
 <h3>addObject</h3>
 <div class="member-signature"><span class="modifiers">public abstract</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">addObject</span>&#8203;<span class="parameters">(long&nbsp;address,
  long&nbsp;classAddress,
  <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a>&nbsp;className,
  int&nbsp;size,
  int&nbsp;hashCode,
  <a href="ReferenceIterator.html" title="interface in com.ibm.jvm.dtfjview.heapdump">ReferenceIterator</a>&nbsp;references)</span>
                         throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></span></div>
 <div class="block">Adds an object to the heapdump.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>address</code> - Address of object</dd>
 <dd><code>classAddress</code> - Address of class of object</dd>
 <dd><code>className</code> - Name of class of object</dd>
 <dd><code>size</code> - Size of object, bytes</dd>
 <dd><code>hashCode</code> - Hashcode of object</dd>
 <dd><code>references</code> - Iterator of Long addresses (some of which may be null)</dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="addPrimitiveArray(long,long,int,long,int,int)">
 <h3>addPrimitiveArray</h3>
 <div class="member-signature"><span class="modifiers">public abstract</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">addPrimitiveArray</span>&#8203;<span class="parameters">(long&nbsp;address,
  long&nbsp;arrayClassAddress,
  int&nbsp;type,
  long&nbsp;size,
  int&nbsp;hashCode,
  int&nbsp;numberOfElements)</span>
                                 throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a>,
 <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link" target="_blank">IllegalArgumentException</a></span></div>
 <div class="block">Adds a primitive array object to the heapdump

  Type code is: 0 - bool, 1 - char, 2 - float, 3 - double, 4 - byte, 5 - short, 6 -
  int, 7 - long</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>address</code> - Address of object</dd>
 <dd><code>arrayClassAddress</code> - Address of primitive array class</dd>
 <dd><code>type</code> - Type code - see above</dd>
 <dd><code>size</code> - Size of object, bytes.
             Since version 6 PHD, instance size is in the PHD and can be larger than max signed int so pass as a long</dd>
 <dd><code>hashCode</code> - Hashcode of object</dd>
 <dd><code>numberOfElements</code> - Number of elements in the array</dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></code></dd>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link" target="_blank">IllegalArgumentException</a></code> - if invalid type is supplied</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="addObjectArray(long,long,java.lang.String,long,java.lang.String,long,int,int,com.ibm.jvm.dtfjview.heapdump.ReferenceIterator)">
 <h3>addObjectArray</h3>
 <div class="member-signature"><span class="modifiers">public abstract</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">addObjectArray</span>&#8203;<span class="parameters">(long&nbsp;address,
  long&nbsp;arrayClassAddress,
  <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a>&nbsp;arrayClassName,
  long&nbsp;elementClassAddress,
  <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a>&nbsp;elementClassName,
  long&nbsp;size,
  int&nbsp;numberOfElements,
  int&nbsp;hashCode,
  <a href="ReferenceIterator.html" title="interface in com.ibm.jvm.dtfjview.heapdump">ReferenceIterator</a>&nbsp;references)</span>
                              throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></span></div>
 <div class="block">Adds an object array to the heapdump.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>address</code> - Address of object</dd>
 <dd><code>arrayClassAddress</code> - Address of class of array object</dd>
 <dd><code>arrayClassName</code> - Name of class of array object</dd>
 <dd><code>elementClassAddress</code> - Address of class of elements</dd>
 <dd><code>elementClassName</code> - Name of class of elements</dd>
 <dd><code>size</code> - Size of object, bytes
             Since version 6 PHD, instance size is in the PHD and can be larger than max signed int so pass as a long</dd>
 <dd><code>numberOfElements</code> - number of elements in the array</dd>
 <dd><code>hashCode</code> - Hashcode of object</dd>
 <dd><code>references</code> - Iterator of Long addresses (some of which may be null)</dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="close()">
 <h3>close</h3>
 <div class="member-signature"><span class="modifiers">public abstract</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">close</span>()
                     throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></span></div>
 <div class="block">Closes the heapdump</div>
 <dl class="notes">
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></code></dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
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