org.datanucleus.enhancer.asm.method
Class CheckRead

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

public class CheckRead
extends ASMClassMethod

Method to generate the method "jdoGetZZZ" using ASM for CHECK_READ fields.

 static YYY jdoGetZZZ(MyClass objPC)
 {
     if (objPC.jdoFlags > 0 && objPC.jdoStateManager != null && !objPC.jdoStateManager.isLoaded(objPC, 2))
         return objPC.jdoStateManager.getStringField(objPC, 2, objPC.ZZZ);
     if (objPC.jdoIsDetached() != false && ((BitSet)objPC.jdoDetachedState[2]).get(2) != true)
         throw new JDODetachedFieldAccessException
             ("You have just attempted to access field \"ZZZ\" yet this field was not detached ... ");
     return objPC.ZZZ;
 }
 

with the last part only applying when Detachable

Version:

$Revision: 1.9 $

Field Summary

protected org.datanucleus.metadata.AbstractMemberMetaData

fmd Field that this jdoGetXXX is for.

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

CheckRead(ClassEnhancer enhancer, org.datanucleus.metadata.AbstractMemberMetaData fmd)
Constructor.

Method Summary

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

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

Field Detail

fmd

protected org.datanucleus.metadata.AbstractMemberMetaData fmd

Field that this jdoGetXXX is for.

Constructor Detail

CheckRead

public CheckRead(ClassEnhancer enhancer,
                 org.datanucleus.metadata.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