org.datanucleus.enhancer.asm.method
Class JdoCopyKeyFieldsToObjectId2

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

public class JdoCopyKeyFieldsToObjectId2
extends ASMClassMethod

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

 public void jdoCopyKeyFieldsToObjectId(PersistenceCapable.ObjectIdFieldSupplier objectidfieldsupplier,
        Object object)
 {
 }
 

and for SingleFieldIdentity

 public void jdoCopyKeyFieldsToObjectId(PersistenceCapable.ObjectIdFieldSupplier fs, Object oid)
 {
     throw new JDOFatalInternalException("It's illegal to call ...");
 }
 

and for user-supplied app identity

 public 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 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)));
 }
 

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, String name, int access, Object returnType, Object[] argTypes, 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,
                                   String name,
                                   int access,
                                   Object returnType,
                                   Object[] argTypes,
                                   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