Class CopyKeyFieldsToObjectId2

java.lang.Object

org.datanucleus.enhancer.ClassMethod

org.datanucleus.enhancer.methods.CopyKeyFieldsToObjectId2

public class CopyKeyFieldsToObjectId2
extends ClassMethod

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

public void dnCopyKeyFieldsToObjectId(Persistable.ObjectIdFieldSupplier objectidfieldsupplier,
       Object object)
{
}

and for SingleFieldIdentity

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

and for user-supplied app identity

public void dnCopyKeyFieldsToObjectId(Persistable.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 dnCopyKeyFieldsToObjectId(Persistable.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 ClassMethod

access, argNames, argTypes, enhancer, exceptions, methodName, returnType, visitor

Constructor Summary

Constructors

Constructor	Description
CopyKeyFieldsToObjectId2(ClassEnhancer enhancer, String name, int access, Object returnType, Object[] argTypes, String[] argNames)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	execute()	Method to add the contents of the class method.
static CopyKeyFieldsToObjectId2	getInstance(ClassEnhancer enhancer)

Methods inherited from class ClassMethod

close, equals, getAccess, getClassEnhancer, getDescriptor, getMethodAdditionMessage, getName, getNamer, hashCode, initialise, initialise

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Details

CopyKeyFieldsToObjectId2

public CopyKeyFieldsToObjectId2(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 Details

getInstance

public static CopyKeyFieldsToObjectId2 getInstance(ClassEnhancer enhancer)

execute

public void execute()

Method to add the contents of the class method.

Specified by:

execute in class ClassMethod