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<h2 title="Interface JavaReference" class="title">Interface JavaReference</h2>
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<pre>public interface <span class="typeNameLabel">JavaReference</span></pre>
<div class="block">Represents a Java reference.</div>
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<h3>Field Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
<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="colLast" scope="col">Field and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#HEAP_ROOT_CLASSLOADER">HEAP_ROOT_CLASSLOADER</a></span></code>
<div class="block">Classloader heap root</div>
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</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#HEAP_ROOT_FINALIZABLE_OBJ">HEAP_ROOT_FINALIZABLE_OBJ</a></span></code>
<div class="block">Finalizable object heap root</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#HEAP_ROOT_JNI_GLOBAL">HEAP_ROOT_JNI_GLOBAL</a></span></code>
<div class="block">JNI global reference heap root</div>
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<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#HEAP_ROOT_JNI_LOCAL">HEAP_ROOT_JNI_LOCAL</a></span></code>
<div class="block">JNI local reference heap root</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#HEAP_ROOT_MONITOR">HEAP_ROOT_MONITOR</a></span></code>
<div class="block">Monitor heap root</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#HEAP_ROOT_OTHER">HEAP_ROOT_OTHER</a></span></code>
<div class="block">Other heap root type</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#HEAP_ROOT_STACK_LOCAL">HEAP_ROOT_STACK_LOCAL</a></span></code>
<div class="block">Stack local heap root</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#HEAP_ROOT_STRINGTABLE">HEAP_ROOT_STRINGTABLE</a></span></code>
<div class="block">Stringtable heap root</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#HEAP_ROOT_SYSTEM_CLASS">HEAP_ROOT_SYSTEM_CLASS</a></span></code>
<div class="block">System class heap root</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#HEAP_ROOT_THREAD">HEAP_ROOT_THREAD</a></span></code>
<div class="block">Thread heap root</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#HEAP_ROOT_UNFINALIZED_OBJ">HEAP_ROOT_UNFINALIZED_OBJ</a></span></code>
<div class="block">Unfinalized object heap root</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#HEAP_ROOT_UNKNOWN">HEAP_ROOT_UNKNOWN</a></span></code>
<div class="block">Unknown heap root type</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REACHABILITY_PHANTOM">REACHABILITY_PHANTOM</a></span></code>
<div class="block">Reachability of target object via this reference is Phantom</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REACHABILITY_SOFT">REACHABILITY_SOFT</a></span></code>
<div class="block">Reachability of target object via this reference is Soft</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REACHABILITY_STRONG">REACHABILITY_STRONG</a></span></code>
<div class="block">Reachability of target object via this reference is Strong</div>
</td>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REACHABILITY_UNKNOWN">REACHABILITY_UNKNOWN</a></span></code>
<div class="block">Reachability of target object via this reference is unknown</div>
</td>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REACHABILITY_WEAK">REACHABILITY_WEAK</a></span></code>
<div class="block">Reachability of target object via this reference is Weak</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REFERENCE_ARRAY_ELEMENT">REFERENCE_ARRAY_ELEMENT</a></span></code>
<div class="block">Reference from an array to one of its elements</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REFERENCE_ASSOCIATED_CLASS">REFERENCE_ASSOCIATED_CLASS</a></span></code>
<div class="block">Reference from a JavaObject representing a Class to the associated JavaClass</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REFERENCE_CLASS">REFERENCE_CLASS</a></span></code>
<div class="block">Reference from an object to its class</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REFERENCE_CLASS_LOADER">REFERENCE_CLASS_LOADER</a></span></code>
<div class="block">Reference from a class to its class loader</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REFERENCE_CLASS_OBJECT">REFERENCE_CLASS_OBJECT</a></span></code>
<div class="block">Reference from a class to its java.lang.Class instance</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REFERENCE_CONSTANT_POOL">REFERENCE_CONSTANT_POOL</a></span></code>
<div class="block">Reference from a class to a resolved entry in the constant pool</div>
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<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REFERENCE_FIELD">REFERENCE_FIELD</a></span></code>
<div class="block">Reference from an object to the value of one of its instance fields</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REFERENCE_INTERFACE">REFERENCE_INTERFACE</a></span></code>
<div class="block">Reference from a class to one of its interfaces</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REFERENCE_LOADED_CLASS">REFERENCE_LOADED_CLASS</a></span></code>
<div class="block">Reference from a classloader object to its loaded classes</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REFERENCE_PROTECTION_DOMAIN">REFERENCE_PROTECTION_DOMAIN</a></span></code>
<div class="block">Reference from a class to its protection domain</div>
</td>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REFERENCE_SIGNERS">REFERENCE_SIGNERS</a></span></code>
<div class="block">Reference from a class to its signers array</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REFERENCE_STATIC_FIELD">REFERENCE_STATIC_FIELD</a></span></code>
<div class="block">Reference from a class to the value of one of its static fields</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REFERENCE_SUPERCLASS">REFERENCE_SUPERCLASS</a></span></code>
<div class="block">Reference from a class to its superclass</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REFERENCE_UNKNOWN">REFERENCE_UNKNOWN</a></span></code>
<div class="block">Unknown reference type</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#REFERENCE_UNUSED_14">REFERENCE_UNUSED_14</a></span></code>&nbsp;</td>
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<h3>Method Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" target="_blank" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#getDescription--">getDescription</a></span>()</code>
<div class="block">Get a string describing the reference type.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#getReachability--">getReachability</a></span>()</code>
<div class="block">Get the reachability of the target object via this specific reference.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#getReferenceType--">getReferenceType</a></span>()</code>
<div class="block">Get the reference type, as defined in the JVMTI specification.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#getRootType--">getRootType</a></span>()</code>
<div class="block">Get the root type, as defined in the JVMTI specification.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" target="_blank" title="class or interface in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#getSource--">getSource</a></span>()</code>
<div class="block">Get the source of this reference if available.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" target="_blank" title="class or interface in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#getTarget--">getTarget</a></span>()</code>
<div class="block">Get the object referred to by this reference.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#isClassReference--">isClassReference</a></span>()</code>
<div class="block">Does this reference point to a class?</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaReference.html#isObjectReference--">isObjectReference</a></span>()</code>
<div class="block">Does this reference point to an object in the heap?</div>
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<h3>Field Detail</h3>
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<h4>HEAP_ROOT_UNKNOWN</h4>
<pre>static final&nbsp;int HEAP_ROOT_UNKNOWN</pre>
<div class="block">Unknown heap root type</div>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.HEAP_ROOT_UNKNOWN">Constant Field Values</a></dd>
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<h4>HEAP_ROOT_JNI_GLOBAL</h4>
<pre>static final&nbsp;int HEAP_ROOT_JNI_GLOBAL</pre>
<div class="block">JNI global reference heap root</div>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.HEAP_ROOT_JNI_GLOBAL">Constant Field Values</a></dd>
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<pre>static final&nbsp;int HEAP_ROOT_SYSTEM_CLASS</pre>
<div class="block">System class heap root</div>
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<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.HEAP_ROOT_SYSTEM_CLASS">Constant Field Values</a></dd>
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<pre>static final&nbsp;int HEAP_ROOT_MONITOR</pre>
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<pre>static final&nbsp;int HEAP_ROOT_STACK_LOCAL</pre>
<div class="block">Stack local heap root</div>
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<pre>static final&nbsp;int HEAP_ROOT_JNI_LOCAL</pre>
<div class="block">JNI local reference heap root</div>
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<pre>static final&nbsp;int HEAP_ROOT_THREAD</pre>
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<pre>static final&nbsp;int HEAP_ROOT_OTHER</pre>
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<pre>static final&nbsp;int HEAP_ROOT_FINALIZABLE_OBJ</pre>
<div class="block">Finalizable object heap root</div>
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<pre>static final&nbsp;int HEAP_ROOT_UNFINALIZED_OBJ</pre>
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<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.HEAP_ROOT_UNFINALIZED_OBJ">Constant Field Values</a></dd>
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<pre>static final&nbsp;int HEAP_ROOT_CLASSLOADER</pre>
<div class="block">Classloader heap root</div>
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<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.HEAP_ROOT_CLASSLOADER">Constant Field Values</a></dd>
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<pre>static final&nbsp;int HEAP_ROOT_STRINGTABLE</pre>
<div class="block">Stringtable heap root</div>
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<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.HEAP_ROOT_STRINGTABLE">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REFERENCE_UNKNOWN</pre>
<div class="block">Unknown reference type</div>
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<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REFERENCE_UNKNOWN">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REFERENCE_CLASS</pre>
<div class="block">Reference from an object to its class</div>
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<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REFERENCE_CLASS">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REFERENCE_FIELD</pre>
<div class="block">Reference from an object to the value of one of its instance fields</div>
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<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REFERENCE_FIELD">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REFERENCE_ARRAY_ELEMENT</pre>
<div class="block">Reference from an array to one of its elements</div>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REFERENCE_ARRAY_ELEMENT">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REFERENCE_CLASS_LOADER</pre>
<div class="block">Reference from a class to its class loader</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REFERENCE_CLASS_LOADER">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REFERENCE_SIGNERS</pre>
<div class="block">Reference from a class to its signers array</div>
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<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REFERENCE_SIGNERS">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REFERENCE_PROTECTION_DOMAIN</pre>
<div class="block">Reference from a class to its protection domain</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REFERENCE_PROTECTION_DOMAIN">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REFERENCE_INTERFACE</pre>
<div class="block">Reference from a class to one of its interfaces</div>
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<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REFERENCE_INTERFACE">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REFERENCE_STATIC_FIELD</pre>
<div class="block">Reference from a class to the value of one of its static fields</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REFERENCE_STATIC_FIELD">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REFERENCE_CONSTANT_POOL</pre>
<div class="block">Reference from a class to a resolved entry in the constant pool</div>
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<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REFERENCE_CONSTANT_POOL">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REFERENCE_SUPERCLASS</pre>
<div class="block">Reference from a class to its superclass</div>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REFERENCE_SUPERCLASS">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REFERENCE_LOADED_CLASS</pre>
<div class="block">Reference from a classloader object to its loaded classes</div>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REFERENCE_LOADED_CLASS">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REFERENCE_CLASS_OBJECT</pre>
<div class="block">Reference from a class to its java.lang.Class instance</div>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REFERENCE_CLASS_OBJECT">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REFERENCE_ASSOCIATED_CLASS</pre>
<div class="block">Reference from a JavaObject representing a Class to the associated JavaClass</div>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REFERENCE_ASSOCIATED_CLASS">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REFERENCE_UNUSED_14</pre>
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<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REFERENCE_UNUSED_14">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REACHABILITY_UNKNOWN</pre>
<div class="block">Reachability of target object via this reference is unknown</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REACHABILITY_UNKNOWN">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REACHABILITY_STRONG</pre>
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<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REACHABILITY_STRONG">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REACHABILITY_SOFT</pre>
<div class="block">Reachability of target object via this reference is Soft</div>
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<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REACHABILITY_SOFT">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REACHABILITY_WEAK</pre>
<div class="block">Reachability of target object via this reference is Weak</div>
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<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REACHABILITY_WEAK">Constant Field Values</a></dd>
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<pre>static final&nbsp;int REACHABILITY_PHANTOM</pre>
<div class="block">Reachability of target object via this reference is Phantom</div>
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<dd><a href="../../../../constant-values.html#com.ibm.dtfj.java.JavaReference.REACHABILITY_PHANTOM">Constant Field Values</a></dd>
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<pre>int&nbsp;getRootType()
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<div class="block">Get the root type, as defined in the JVMTI specification.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>an integer representing the root type, see HEAP_ROOT_ statics above.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../com/ibm/dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd>
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<pre>int&nbsp;getReferenceType()
throws <a href="../../../../com/ibm/dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></pre>
<div class="block">Get the reference type, as defined in the JVMTI specification.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>an integer representing the reference type, see REFERENCE_ statics above.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../com/ibm/dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd>
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<pre>int&nbsp;getReachability()
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<div class="block">Get the reachability of the target object via this specific reference.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>an integer representing the reachability, see REACHABILITY_ statics above.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../com/ibm/dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" target="_blank" title="class or interface in java.lang">String</a>&nbsp;getDescription()</pre>
<div class="block">Get a string describing the reference type.
Implementers should not depend on the contents or identity of this string.
e.g. "JNI Weak global reference", "Instance field 'MyClass.value'", "Constant pool string constant"</div>
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<dt><span class="returnLabel">Returns:</span></dt>
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<a href="../../../../com/ibm/dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></pre>
<div class="block">Does this reference point to an object in the heap?</div>
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<dd>true if the target of this root is an object</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../com/ibm/dtfj/image/DataUnavailable.html" title="class in com.ibm.dtfj.image">DataUnavailable</a></code></dd>
<dd><code><a href="../../../../com/ibm/dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd>
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<pre>boolean&nbsp;isClassReference()
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<a href="../../../../com/ibm/dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></pre>
<div class="block">Does this reference point to a class?</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the target of this root is a class</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../com/ibm/dtfj/image/DataUnavailable.html" title="class in com.ibm.dtfj.image">DataUnavailable</a></code></dd>
<dd><code><a href="../../../../com/ibm/dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" target="_blank" title="class or interface in java.lang">Object</a>&nbsp;getTarget()
throws <a href="../../../../com/ibm/dtfj/image/DataUnavailable.html" title="class in com.ibm.dtfj.image">DataUnavailable</a>,
<a href="../../../../com/ibm/dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></pre>
<div class="block">Get the object referred to by this reference.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a JavaObject or a JavaClass</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../com/ibm/dtfj/image/DataUnavailable.html" title="class in com.ibm.dtfj.image">DataUnavailable</a></code></dd>
<dd><code><a href="../../../../com/ibm/dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" target="_blank" title="class or interface in java.lang">Object</a>&nbsp;getSource()
throws <a href="../../../../com/ibm/dtfj/image/DataUnavailable.html" title="class in com.ibm.dtfj.image">DataUnavailable</a>,
<a href="../../../../com/ibm/dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></pre>
<div class="block">Get the source of this reference if available.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a JavaClass, JavaObject, JavaStackFrame or null if unknown</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../com/ibm/dtfj/image/DataUnavailable.html" title="class in com.ibm.dtfj.image">DataUnavailable</a></code></dd>
<dd><code><a href="../../../../com/ibm/dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd>
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