Package org.datanucleus.enhancer.methods

Class GetViaMediate

java.lang.Object

org.datanucleus.enhancer.ClassMethod

org.datanucleus.enhancer.methods.GetViaMediate

public class GetViaMediate
extends ClassMethod

Method to generate the method "dnGetZZZ" using ASM for MEDIATE_READ fields.

 static YYY dnGetZZZ(MyClass objPC)
 {
     if (objPC.dnStateManager != null && !objPC.dnStateManager.isLoaded(objPC, 0))
         return (YYY) objPC.dnStateManager.getObjectField(objPC, 0, objPC.ZZZ);
     if (objPC.dnIsDetached() != false &&
         ((BitSet) objPC.dnDetachedState[2]).get(0) != true &&
         ((BitSet) objPC.dnDetachedState[3]).get(0) != true)
         throw new JDODetachedFieldAccessException(...);
     return objPC.ZZZ;
 }
 

with the last part only applying when Detachable

Field Summary

Fields

Modifier and Type	Field	Description
protected AbstractMemberMetaData	fmd	Field that this dnGetXXX is for.

Fields inherited from class org.datanucleus.enhancer.ClassMethod

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

Constructor Summary

Constructors

Constructor	Description
GetViaMediate(ClassEnhancer enhancer, AbstractMemberMetaData fmd)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	execute()	Method to add the contents of the class method.

Methods inherited from class org.datanucleus.enhancer.ClassMethod

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

Methods inherited from class java.lang.Object

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

Field Detail

fmd

protected AbstractMemberMetaData fmd

Field that this dnGetXXX is for.

Constructor Detail

GetViaMediate

public GetViaMediate(ClassEnhancer enhancer,
                     AbstractMemberMetaData fmd)

Constructor.

Parameters:

enhancer - ClassEnhancer

fmd - MetaData for the field we are generating for

Method Detail

execute

public void execute()

Method to add the contents of the class method.

Specified by:

execute in class ClassMethod