org.datanucleus.enhancer.asm.method
Class JdoCopyKeyFieldsToObjectId

java.lang.Object
  extended by org.datanucleus.enhancer.ClassMethod
      extended by org.datanucleus.enhancer.asm.ASMClassMethod
          extended by org.datanucleus.enhancer.asm.method.JdoCopyKeyFieldsToObjectId

public class JdoCopyKeyFieldsToObjectId
extends ASMClassMethod

Method to generate the method "jdoCopyKeyFieldsToObjectId" using ASM. For datastore/nondurable identity

 public final void jdoCopyKeyFieldsToObjectId(Object oid)
 {
 }
 
and for SingleFieldIdentity
 public final void jdoCopyKeyFieldsToObjectId(Object oid)
 {
     throw new JDOFatalInternalException("It's illegal to call ...");
 }
 
and for user-supplied app identity
 public final void jdoCopyKeyFieldsToObjectId(Object oid)
 {
     if (!(oid instanceof UserPrimaryKey))
         throw new ClassCastException("key class is not mydomain.UserPrimaryKey or null");
     UserPrimaryKey o = (UserPrimaryKey) oid;
     o.zzz1 = zzz1;
     o.zzz2 = zzz2;
 }
 
and for Compound Identity
 public final void jdoCopyKeyFieldsToObjectId(Object oid)
 {
     if (!(oid instanceof UserPrimaryKey))
         throw new ClassCastException("key class is not mydomain.UserPrimaryKey or null");
     UserPrimaryKey o = (UserPrimaryKey) oid;
     o.zzz1 = zzz1;
     o.zzz2 = (ZZZ2.Key) JDOHelper.getObjectId(zzz2);
 }
 

Version:
$Revision: 1.16 $

Field Summary
 
Fields inherited from class org.datanucleus.enhancer.asm.ASMClassMethod
visitor
 
Fields inherited from class org.datanucleus.enhancer.ClassMethod
access, argNames, argTypes, enhancer, exceptions, LOCALISER, methodName, returnType
 
Constructor Summary
JdoCopyKeyFieldsToObjectId(ClassEnhancer enhancer, java.lang.String name, int access, java.lang.Object returnType, java.lang.Object[] argTypes, java.lang.String[] argNames)
          Constructor.
 
Method Summary
 void execute()
          Method to add the contents of the class method.
static JdoCopyKeyFieldsToObjectId getInstance(ASMClassEnhancer enhancer)
           
 
Methods inherited from class org.datanucleus.enhancer.asm.ASMClassMethod
getClassEnhancer, getDescriptor, initialise, initialise
 
Methods inherited from class org.datanucleus.enhancer.ClassMethod
close, equals, getAccess, getMethodAdditionMessage, getName, hashCode
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

JdoCopyKeyFieldsToObjectId

public JdoCopyKeyFieldsToObjectId(ClassEnhancer enhancer,
                                  java.lang.String name,
                                  int access,
                                  java.lang.Object returnType,
                                  java.lang.Object[] argTypes,
                                  java.lang.String[] argNames)
Constructor.

Parameters:
enhancer - ClassEnhancer
name - Name of method
access - Access type
returnType - Return type
argTypes - Argument types
argNames - Argument names
Method Detail

getInstance

public static JdoCopyKeyFieldsToObjectId getInstance(ASMClassEnhancer enhancer)

execute

public void execute()
Method to add the contents of the class method.

Specified by:
execute in class ClassMethod


Copyright © 2011. All Rights Reserved.