org.datanucleus.enhancer.asm.method
Class JdoCopyKeyFieldsToObjectId2

java.lang.Object
  extended by org.datanucleus.enhancer.ClassMethod
      extended by org.datanucleus.enhancer.asm.ASMClassMethod
          extended by org.datanucleus.enhancer.asm.method.JdoCopyKeyFieldsToObjectId2

public class JdoCopyKeyFieldsToObjectId2
extends ASMClassMethod

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

 public final void jdoCopyKeyFieldsToObjectId(PersistenceCapable.ObjectIdFieldSupplier objectidfieldsupplier,
        Object object)
 {
 }
 
and for SingleFieldIdentity
 public final void jdoCopyKeyFieldsToObjectId(PersistenceCapable.ObjectIdFieldSupplier fs, Object oid)
 {
     throw new JDOFatalInternalException("It's illegal to call ...");
 }
 
and for user-supplied app identity
 public final void jdoCopyKeyFieldsToObjectId(PersistenceCapable.ObjectIdFieldSupplier fs, Object oid)
 {
     if (fs == null)
         throw new IllegalArgumentException("ObjectIdFieldSupplier is null");
     if (oid instanceof UserPrimaryKey != true)
         throw new ClassCastException("oid is not instanceof mydomain.UserPrimaryKey");
     UserPrimaryKey o = (UserPrimaryKey) oid;
     o.zzz1 = fs.fetchYYY1Field(1);
     o.zzz2 = fs.fetchYYY2Field(2);
 }
 
and for CompoundIdentity
 public final void jdoCopyKeyFieldsToObjectId(PersistenceCapable.ObjectIdFieldSupplier fs, Object oid)
 {
     if (fs == null)
         throw new IllegalArgumentException("ObjectIdFieldSupplier is null");
     if (oid instanceof UserPrimaryKey != true)
         throw new ClassCastException("oid is not instanceof mydomain.UserPrimaryKey");
     UserPrimaryKey o = (UserPrimaryKey) oid;
     o.zzz1 = fs.fetchYYYField(1);
     o.zzz2 = ((YYY2.Key)JDOHelper.getObjectId((YYY2)fs.fetchObjectField(2)));
 }
 

Version:
$Revision: 1.17 $

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
JdoCopyKeyFieldsToObjectId2(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 JdoCopyKeyFieldsToObjectId2 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

JdoCopyKeyFieldsToObjectId2

public JdoCopyKeyFieldsToObjectId2(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 JdoCopyKeyFieldsToObjectId2 getInstance(ASMClassEnhancer enhancer)

execute

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

Specified by:
execute in class ClassMethod


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