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| <div class="subTitle">org.apache.openjpa.enhance</div> |
| <h2 title="Class PCEnhancerAgent" class="title">Class PCEnhancerAgent</h2> |
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| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
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| <li>org.apache.openjpa.enhance.PCEnhancerAgent</li> |
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| <pre>public class <span class="typeNameLabel">PCEnhancerAgent</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block"><p> |
| Java agent that makes persistent classes work with OpenJPA at runtime. This |
| is achieved by either running the enhancer on the classes as they are loaded, |
| or by redefining the classes on the fly. The agent is launched at JVM startup |
| from the command line: |
| </p> |
| |
| <p> |
| <code>java -javaagent:openjpa.jar[=<options>]</code> The options string |
| should be formatted as a OpenJPA plugin, and may contain any properties |
| understood by the OpenJPA enhancer or any configuration properties. For |
| example: |
| </p> |
| |
| <p> |
| <code>java -javaagent:openjpa.jar</code> |
| </p> |
| |
| <p> |
| By default, if specified, the agent runs the OpenJPA enhancer on all classes |
| listed in the first persistence unit as they are loaded, and redefines all |
| other persistent classes when they are encountered. To disable enhancement at |
| class-load time and rely solely on the redefinition logic, set the |
| ClassLoadEnhancement flag to false. To disable redefinition and rely solely |
| on pre-deployment or class-load enhancement, set the RuntimeRedefinition flag |
| to false. |
| </p> |
| |
| <p> |
| <code>java -javaagent:openjpa.jar=ClassLoadEnhancement=false</code> |
| </p></div> |
| <dl> |
| <dt><span class="simpleTagLabel">Author:</span></dt> |
| <dd>Abe White, Patrick Linskey</dd> |
| </dl> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/enhance/PCEnhancerAgent.html#PCEnhancerAgent--">PCEnhancerAgent</a></span>()</code> </td> |
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| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/enhance/PCEnhancerAgent.html#disableDynamicAgent--">disableDynamicAgent</a></span>()</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/enhance/PCEnhancerAgent.html#getLoadSuccessful--">getLoadSuccessful</a></span>()</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/enhance/PCEnhancerAgent.html#loadDynamicAgent-org.apache.openjpa.lib.log.Log-">loadDynamicAgent</a></span>(<a href="../../../../org/apache/openjpa/lib/log/Log.html" title="interface in org.apache.openjpa.lib.log">Log</a> log)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/enhance/PCEnhancerAgent.html#premain-java.lang.String-java.lang.instrument.Instrumentation-">premain</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> args, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/instrument/Instrumentation.html?is-external=true" title="class or interface in java.lang.instrument">Instrumentation</a> inst)</code> </td> |
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| <h4>PCEnhancerAgent</h4> |
| <pre>public PCEnhancerAgent()</pre> |
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| <pre>public static boolean getLoadSuccessful()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>True if the Agent has ran successfully. False otherwise.</dd> |
| </dl> |
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| <pre>public static void disableDynamicAgent()</pre> |
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| <pre>public static boolean loadDynamicAgent(<a href="../../../../org/apache/openjpa/lib/log/Log.html" title="interface in org.apache.openjpa.lib.log">Log</a> log)</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>True if the agent is loaded successfully</dd> |
| </dl> |
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| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/instrument/Instrumentation.html?is-external=true" title="class or interface in java.lang.instrument">Instrumentation</a> inst)</pre> |
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