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<h2 title="Class J9DDRImageProcess" class="title">Class J9DDRImageProcess</h2>
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<dd><code><a href="../../../../dtfj/image/ImageProcess.html" title="interface in com.ibm.dtfj.image">ImageProcess</a></code></dd>
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<pre>public class <span class="typeNameLabel">J9DDRImageProcess</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>
implements <a href="../../../../dtfj/image/ImageProcess.html" title="interface in com.ibm.dtfj.image">ImageProcess</a></pre>
<div class="block">Adapter for DDR IProcesses to make them implement the ImageProcess
API</div>
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<th class="colFirst" scope="col">Constructor</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(com.ibm.j9ddr.corereaders.memory.IProcess)">J9DDRImageProcess</a></span>&#8203;(<a href="../../../corereaders/memory/IProcess.html" title="interface in com.ibm.j9ddr.corereaders.memory">IProcess</a>&nbsp;thisProcess)</code></th>
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<td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCommandLine()">getCommandLine</a></span>()</code></th>
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<div class="block">This method tries to get command line of the program that generated core file.</div>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../../../dtfj/image/ImageThread.html" title="interface in com.ibm.dtfj.image">ImageThread</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCurrentThread()">getCurrentThread</a></span>()</code></th>
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<div class="block">This method returns the ImageThread that matches the TID stored in the J9RAS data structure,
or
case 1: if no J9RAS structure available return null
case 2: if J9RAS structure available but no TID field (old JVMs, old jextract behaviour)
- return the first thread, or null if no threads
case 3: if J9RAS structure available with TID field but TID is zero (eg dump triggered outside JVM)
- platform specific code if core readers have identified a current thread, else...</div>
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<td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Properties.html?is-external=true" title="class or interface in java.util" class="externalLink" target="_blank">Properties</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getEnvironment()">getEnvironment</a></span>()</code></th>
<td class="colLast">
<div class="block">This method gets the environment variables.</div>
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<td class="colFirst"><code><a href="../../../corereaders/memory/IProcess.html" title="interface in com.ibm.j9ddr.corereaders.memory">IProcess</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getIProcess()">getIProcess</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code><a href="J9DDRBaseImageThread.html" title="class in com.ibm.j9ddr.view.dtfj.image">J9DDRBaseImageThread</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getThread(long)">getThread</a></span>&#8203;(long&nbsp;id)</code></th>
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<td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getVersion()">getVersion</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the build version(e.g. 23-26) of the first VM in the process (useful for testing).</div>
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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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<h3>Methods declared in interface&nbsp;com.ibm.dtfj.image.<a href="../../../../dtfj/image/ImageProcess.html" title="interface in com.ibm.dtfj.image">ImageProcess</a></h3>
<code><a href="../../../../dtfj/image/ImageProcess.html#getExecutable()">getExecutable</a>, <a href="../../../../dtfj/image/ImageProcess.html#getID()">getID</a>, <a href="../../../../dtfj/image/ImageProcess.html#getLibraries()">getLibraries</a>, <a href="../../../../dtfj/image/ImageProcess.html#getPointerSize()">getPointerSize</a>, <a href="../../../../dtfj/image/ImageProcess.html#getProperties()">getProperties</a>, <a href="../../../../dtfj/image/ImageProcess.html#getRuntimes()">getRuntimes</a>, <a href="../../../../dtfj/image/ImageProcess.html#getSignalName()">getSignalName</a>, <a href="../../../../dtfj/image/ImageProcess.html#getSignalNumber()">getSignalNumber</a>, <a href="../../../../dtfj/image/ImageProcess.html#getThreads()">getThreads</a></code></li>
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<h4>J9DDRImageProcess</h4>
<pre>public&nbsp;J9DDRImageProcess&#8203;(<a href="../../../corereaders/memory/IProcess.html" title="interface in com.ibm.j9ddr.corereaders.memory">IProcess</a>&nbsp;thisProcess)</pre>
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<h4>getIProcess</h4>
<pre class="methodSignature">public&nbsp;<a href="../../../corereaders/memory/IProcess.html" title="interface in com.ibm.j9ddr.corereaders.memory">IProcess</a>&nbsp;getIProcess()</pre>
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<h4>getCommandLine</h4>
<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a>&nbsp;getCommandLine()
throws <a href="../../../../dtfj/image/DataUnavailable.html" title="class in com.ibm.dtfj.image">DataUnavailable</a>,
<a href="../../../../dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></pre>
<div class="block">This method tries to get command line of the program that generated core file.
We can't get the command line from the core dump on zOS, or on recent Windows versions. On Linux
it may be truncated. The java launcher stores the command line in an environment variable, so for
all platforms we now try that first, with the core reader as a fallback.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../dtfj/image/ImageProcess.html#getCommandLine()">getCommandLine</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../dtfj/image/ImageProcess.html" title="interface in com.ibm.dtfj.image">ImageProcess</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>String instance of the commandline</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../dtfj/image/DataUnavailable.html" title="class in com.ibm.dtfj.image">DataUnavailable</a></code></dd>
<dd><code><a href="../../../../dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd>
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<h4>getCurrentThread</h4>
<pre class="methodSignature">public&nbsp;<a href="../../../../dtfj/image/ImageThread.html" title="interface in com.ibm.dtfj.image">ImageThread</a>&nbsp;getCurrentThread()
throws <a href="../../../../dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></pre>
<div class="block">This method returns the ImageThread that matches the TID stored in the J9RAS data structure,
or
case 1: if no J9RAS structure available return null
case 2: if J9RAS structure available but no TID field (old JVMs, old jextract behaviour)
- return the first thread, or null if no threads
case 3: if J9RAS structure available with TID field but TID is zero (eg dump triggered outside JVM)
- platform specific code if core readers have identified a current thread, else...
case 4: if J9RAS structure available with TID field but no match (eg Linux), return a stub ImageThread</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../dtfj/image/ImageProcess.html#getCurrentThread()">getCurrentThread</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../dtfj/image/ImageProcess.html" title="interface in com.ibm.dtfj.image">ImageProcess</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>ImageThread</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../dtfj/image/ImageThread.html" title="interface in com.ibm.dtfj.image"><code>ImageThread</code></a></dd>
</dl>
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<h4>getEnvironment</h4>
<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Properties.html?is-external=true" title="class or interface in java.util" class="externalLink" target="_blank">Properties</a>&nbsp;getEnvironment()
throws <a href="../../../../dtfj/image/DataUnavailable.html" title="class in com.ibm.dtfj.image">DataUnavailable</a>,
<a href="../../../../dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></pre>
<div class="block">This method gets the environment variables.
First it tries to extract it from RAS structure.
If not, it tries to get it from loaded modules.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../dtfj/image/ImageProcess.html#getEnvironment()">getEnvironment</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../dtfj/image/ImageProcess.html" title="interface in com.ibm.dtfj.image">ImageProcess</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Properties instance of environment variables.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../dtfj/image/DataUnavailable.html" title="class in com.ibm.dtfj.image">DataUnavailable</a></code></dd>
<dd><code><a href="../../../../dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd>
</dl>
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<h4>getThread</h4>
<pre class="methodSignature">public&nbsp;<a href="J9DDRBaseImageThread.html" title="class in com.ibm.j9ddr.view.dtfj.image">J9DDRBaseImageThread</a>&nbsp;getThread&#8203;(long&nbsp;id)</pre>
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<h4>getVersion</h4>
<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a>&nbsp;getVersion()</pre>
<div class="block">Returns the build version(e.g. 23-26) of the first VM in the process (useful for testing).
Would be nice if DTFJJavaRuntime could implement this method, but that would be complicated
as there are multiple version-packaged DTFJJavaRuntimes (e.g. j9ddr.vmxx.view.dtfj.java.DTFJJavaRunTime)
and tests are not version-packaged.</div>
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