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| <meta name="description" content="declaration: module: openj9.dtfj, package: com.ibm.j9ddr.vm29.j9.gc, class: MMObjectAccessBarrier"> |
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| <meta name="keywords" content="from()"> |
| <meta name="keywords" content="getObjectHashCode()"> |
| <meta name="keywords" content="getFinalizeLink()"> |
| <meta name="keywords" content="getOwnableSynchronizerLink()"> |
| <meta name="keywords" content="isObjectInOwnableSynchronizerList()"> |
| <meta name="keywords" content="getReferenceLink()"> |
| <meta name="keywords" content="getLockword()"> |
| <meta name="keywords" content="getMonitor()"> |
| <meta name="keywords" content="convertPointerFromToken()"> |
| <meta name="keywords" content="convertTokenFromPointer()"> |
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| <li class="nav-bar-cell1-rev">Class</li> |
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| <li>Summary: </li> |
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| <li><a href="#method.summary">Method</a></li> |
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| <li>Detail: </li> |
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| <div class="sub-title"><span class="module-label-in-type">Module</span> <a href="../../../../../../module-summary.html">openj9.dtfj</a></div> |
| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">com.ibm.j9ddr.vm29.j9.gc</a></div> |
| <h1 title="Class MMObjectAccessBarrier" class="title">Class MMObjectAccessBarrier</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"><a href="GCBase.html" title="class in com.ibm.j9ddr.vm29.j9.gc">com.ibm.j9ddr.vm29.j9.gc.GCBase</a> |
| <div class="inheritance">com.ibm.j9ddr.vm29.j9.gc.MMObjectAccessBarrier</div> |
| </div> |
| </div> |
| <section class="description"> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public abstract class </span><span class="element-name type-name-label">MMObjectAccessBarrier</span> |
| <span class="extends-implements">extends <a href="GCBase.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCBase</a></span></div> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ======== 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()">MMObjectAccessBarrier</a></span>()</code></div> |
| <div class="col-last even-row-color"> </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-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static 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><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete 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 com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer</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="#convertPointerFromToken(long)">convertPointerFromToken</a></span>​(long token)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Converts token (e.g. compressed pointer value) into real heap pointer.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>abstract long</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="#convertTokenFromPointer(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">convertTokenFromPointer</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer pointer)</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Converts real heap pointer into token (e.g. compressed pointer value).</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code>static <a href="MMObjectAccessBarrier.html" title="class in com.ibm.j9ddr.vm29.j9.gc">MMObjectAccessBarrier</a></code></div> |
| <div class="col-second even-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#from()">from</a></span>()</code></div> |
| <div class="col-last even-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"> |
| <div class="block">Factory method to construct an appropriate object model.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>abstract com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer</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="#getFinalizeLink(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getFinalizeLink</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Fetch the finalize link field of object.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>abstract com.ibm.j9ddr.vm29.pointer.generated.J9ObjectMonitorPointer</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="#getLockword(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getLockword</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Return the lockword for the given object, or NULL if it does not have a lockword.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>abstract <a href="../ObjectMonitor.html" title="class in com.ibm.j9ddr.vm29.j9">ObjectMonitor</a></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="#getMonitor(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getMonitor</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Return an object representing the monitor for the given object, or NULL if it does not have a lockword/monitor.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>abstract <a href="../../types/I32.html" title="class in com.ibm.j9ddr.vm29.types">I32</a></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="#getObjectHashCode(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getObjectHashCode</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Determine the basic hash code for the specified object.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>abstract com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer</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="#getOwnableSynchronizerLink(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getOwnableSynchronizerLink</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Fetch the ownableSynchronizer link field of object.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>abstract com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer</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="#getReferenceLink(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">getReferenceLink</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Fetch the reference link field of the specified reference object.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>abstract com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer</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="#isObjectInOwnableSynchronizerList(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)">isObjectInOwnableSynchronizerList</a></span>​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">check if the object in one of OwnableSynchronizerLists</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods.inherited.from.class.com.ibm.j9ddr.vm29.j9.gc.GCBase">Methods declared in class com.ibm.j9ddr.vm29.j9.gc.<a href="GCBase.html" title="class in com.ibm.j9ddr.vm29.j9.gc">GCBase</a></h3> |
| <code><a href="GCBase.html#getExtensions()">getExtensions</a>, <a href="GCBase.html#getJavaVM()">getJavaVM</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods.inherited.from.class.java.lang.Object">Methods declared in class 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"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor.detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>()"> |
| <h3>MMObjectAccessBarrier</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="element-name">MMObjectAccessBarrier</span>()</div> |
| </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="from()"> |
| <h3>from</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="MMObjectAccessBarrier.html" title="class in com.ibm.j9ddr.vm29.j9.gc">MMObjectAccessBarrier</a></span> <span class="element-name">from</span>() |
| throws <span class="exceptions"><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></span></div> |
| <div class="block">Factory method to construct an appropriate object model.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>structure</code> - the J9JavaVM structure to use</dd> |
| <dt>Returns:</dt> |
| <dd>an instance of ObjectModel</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getObjectHashCode(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <h3>getObjectHashCode</h3> |
| <div class="member-signature"><span class="modifiers">public abstract</span> <span class="return-type"><a href="../../types/I32.html" title="class in com.ibm.j9ddr.vm29.types">I32</a></span> <span class="element-name">getObjectHashCode</span>​<span class="parameters">(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</span> |
| throws <span class="exceptions"><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></span></div> |
| <div class="block">Determine the basic hash code for the specified object.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>object</code> - [in] the object to be hashed</dd> |
| <dt>Returns:</dt> |
| <dd>the persistent, basic hash code for the object</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getFinalizeLink(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <h3>getFinalizeLink</h3> |
| <div class="member-signature"><span class="modifiers">public abstract</span> <span class="return-type">com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer</span> <span class="element-name">getFinalizeLink</span>​<span class="parameters">(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</span> |
| throws <span class="exceptions"><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></span></div> |
| <div class="block">Fetch the finalize link field of object.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>object</code> - [in] the object to read</dd> |
| <dt>Returns:</dt> |
| <dd>the value stored in the object's finalizeLink field</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getOwnableSynchronizerLink(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <h3>getOwnableSynchronizerLink</h3> |
| <div class="member-signature"><span class="modifiers">public abstract</span> <span class="return-type">com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer</span> <span class="element-name">getOwnableSynchronizerLink</span>​<span class="parameters">(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</span> |
| throws <span class="exceptions"><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></span></div> |
| <div class="block">Fetch the ownableSynchronizer link field of object.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>object</code> - [in] the object to read</dd> |
| <dt>Returns:</dt> |
| <dd>the value stored in the object's ownableSynchronizerLink field</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="isObjectInOwnableSynchronizerList(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <h3>isObjectInOwnableSynchronizerList</h3> |
| <div class="member-signature"><span class="modifiers">public abstract</span> <span class="return-type">com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer</span> <span class="element-name">isObjectInOwnableSynchronizerList</span>​<span class="parameters">(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</span> |
| throws <span class="exceptions"><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></span></div> |
| <div class="block">check if the object in one of OwnableSynchronizerLists</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>object</code> - [in] the object pointer</dd> |
| <dt>Returns:</dt> |
| <dd>the value stored in the object's reference link field |
| if reference link field == J9ObjectPointer.NULL, it means the object isn't in the list</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getReferenceLink(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <h3>getReferenceLink</h3> |
| <div class="member-signature"><span class="modifiers">public abstract</span> <span class="return-type">com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer</span> <span class="element-name">getReferenceLink</span>​<span class="parameters">(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</span> |
| throws <span class="exceptions"><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></span></div> |
| <div class="block">Fetch the reference link field of the specified reference object.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>object</code> - the object to read</dd> |
| <dt>Returns:</dt> |
| <dd>the value stored in the object's reference link field</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getLockword(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <h3>getLockword</h3> |
| <div class="member-signature"><span class="modifiers">public abstract</span> <span class="return-type">com.ibm.j9ddr.vm29.pointer.generated.J9ObjectMonitorPointer</span> <span class="element-name">getLockword</span>​<span class="parameters">(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</span> |
| throws <span class="exceptions"><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></span></div> |
| <div class="block">Return the lockword for the given object, or NULL if it does not have a lockword. |
| This may return NULL, a flatlock, or an inflated monitor.</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getMonitor(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <h3>getMonitor</h3> |
| <div class="member-signature"><span class="modifiers">public abstract</span> <span class="return-type"><a href="../ObjectMonitor.html" title="class in com.ibm.j9ddr.vm29.j9">ObjectMonitor</a></span> <span class="element-name">getMonitor</span>​<span class="parameters">(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)</span> |
| throws <span class="exceptions"><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></span></div> |
| <div class="block">Return an object representing the monitor for the given object, or NULL if it does not have a lockword/monitor.</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../../CorruptDataException.html" title="class in com.ibm.j9ddr">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="convertPointerFromToken(long)"> |
| <h3>convertPointerFromToken</h3> |
| <div class="member-signature"><span class="modifiers">public abstract</span> <span class="return-type">com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer</span> <span class="element-name">convertPointerFromToken</span>​<span class="parameters">(long token)</span></div> |
| <div class="block">Converts token (e.g. compressed pointer value) into real heap pointer.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>the heap pointer value.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="convertTokenFromPointer(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)"> |
| <h3>convertTokenFromPointer</h3> |
| <div class="member-signature"><span class="modifiers">public abstract</span> <span class="return-type">long</span> <span class="element-name">convertTokenFromPointer</span>​<span class="parameters">(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer pointer)</span></div> |
| <div class="block">Converts real heap pointer into token (e.g. compressed pointer value).</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>the compressed pointer value.</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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| <footer role="contentinfo"> |
| <hr> |
| <p class="legal-copy"><small><a href="https://www.eclipse.org/openj9/" target="_blank">Eclipse OpenJ9 website.</a><br> To raise a bug report or suggest an improvement create an <a href="https://github.com/eclipse-openj9/openj9/issues" target="_blank">Eclipse Openj9 issue.</a><br> Copyright © 1998, 2021, IBM Corp. and others.</small></p> |
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