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| org.apache.openjpa.enhance</FONT> |
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| Class ClassRedefiner</H2> |
| <PRE> |
| <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A> |
| <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.openjpa.enhance.ClassRedefiner</B> |
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| <DT><PRE>public class <B>ClassRedefiner</B><DT>extends <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL> |
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| |
| <P> |
| Redefines the method bodies of existing classes. Supports Java 5 VMs that |
| have a java agent installed on the command line as well as newer VMs without |
| any <code>-javaagent</code> flag. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Since:</B></DT> |
| <DD>1.0.0</DD> |
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| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/enhance/ClassRedefiner.html#ClassRedefiner()">ClassRedefiner</A></B>()</CODE> |
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| <CODE>static boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/enhance/ClassRedefiner.html#canRedefineClasses(org.apache.openjpa.lib.log.Log)">canRedefineClasses</A></B>(<A HREF="../../../../org/apache/openjpa/lib/log/Log.html" title="interface in org.apache.openjpa.lib.log">Log</A> log)</CODE> |
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| <CODE>static void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/enhance/ClassRedefiner.html#redefineClasses(org.apache.openjpa.conf.OpenJPAConfiguration, java.util.Map)">redefineClasses</A></B>(<A HREF="../../../../org/apache/openjpa/conf/OpenJPAConfiguration.html" title="interface in org.apache.openjpa.conf">OpenJPAConfiguration</A> conf, |
| <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A><<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?>,byte[]> classes)</CODE> |
| |
| <BR> |
| For each element in <code>classes</code>, this method will redefine |
| all the element's methods such that field accesses are intercepted |
| in-line.</TD> |
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| <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
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| <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> |
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| <A NAME="ClassRedefiner()"><!-- --></A><H3> |
| ClassRedefiner</H3> |
| <PRE> |
| public <B>ClassRedefiner</B>()</PRE> |
| <DL> |
| </DL> |
| |
| <!-- ============ METHOD DETAIL ========== --> |
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| |
| <A NAME="redefineClasses(org.apache.openjpa.conf.OpenJPAConfiguration, java.util.Map)"><!-- --></A><H3> |
| redefineClasses</H3> |
| <PRE> |
| public static void <B>redefineClasses</B>(<A HREF="../../../../org/apache/openjpa/conf/OpenJPAConfiguration.html" title="interface in org.apache.openjpa.conf">OpenJPAConfiguration</A> conf, |
| <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A><<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?>,byte[]> classes)</PRE> |
| <DL> |
| <DD>For each element in <code>classes</code>, this method will redefine |
| all the element's methods such that field accesses are intercepted |
| in-line. If <CODE>#canRedefineClasses()</CODE> returns <code>false</code>, |
| this method is a no-op. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="canRedefineClasses(org.apache.openjpa.lib.log.Log)"><!-- --></A><H3> |
| canRedefineClasses</H3> |
| <PRE> |
| public static boolean <B>canRedefineClasses</B>(<A HREF="../../../../org/apache/openjpa/lib/log/Log.html" title="interface in org.apache.openjpa.lib.log">Log</A> log)</PRE> |
| <DL> |
| <DD><DL> |
| |
| <DT><B>Returns:</B><DD>whether or not this VM has an instrumentation installed that |
| permits redefinition of classes. This assumes that all the arguments |
| will be modifiable classes according to |
| <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/instrument/Instrumentation.html?is-external=true#isModifiableClass(java.lang.Class)" title="class or interface in java.lang.instrument"><CODE>Instrumentation.isModifiableClass(java.lang.Class<?>)</CODE></A>, and |
| only checks whether or not an instrumentation is available and |
| if retransformation is possible.</DL> |
| </DD> |
| </DL> |
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