org.datanucleus.enhancer.bcel.method
Class JdoGetManagedFieldCount

java.lang.Object
  org.datanucleus.enhancer.ClassMethod
      org.datanucleus.enhancer.bcel.BCELClassMethod
          org.datanucleus.enhancer.bcel.method.JdoGetManagedFieldCount

public class JdoGetManagedFieldCount
extends BCELClassMethod

The generated method returns the number of managed fields in this class plus the number of inherited managed fields. This method is expected to be executed only during class loading of the subclasses.

Since:

1.0.0

Version:

$Revision: 1.7 $

Field Summary

Fields inherited from class org.datanucleus.enhancer.bcel.BCELClassMethod

classGen, className, cmd, constantPoolGen, factory, il, LOCALISER, methodGen, synthetic

Fields inherited from class org.datanucleus.enhancer.ClassMethod

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

Constructor Summary

JdoGetManagedFieldCount(java.lang.String methodName, int type, org.apache.bcel.generic.Type resultType, org.apache.bcel.generic.Type[] argType, java.lang.String[] argName, boolean synthetic, BCELClassEnhancer gen)

Method Summary

void	execute() Usually this method should generate bytecode as: return jdoFieldNames.length + superClass.jdoGetManagedFieldCount(); but due to initializing issues [ENHANCER-58], we use constants instead, e.g.: return +superClass.jdoGetManagedFieldCount();
static JdoGetManagedFieldCount	getInstance(BCELClassEnhancer gen)

Methods inherited from class org.datanucleus.enhancer.bcel.BCELClassMethod

close, createThrowException, createThrowException, getClassEnhancer, initialise

Methods inherited from class org.datanucleus.enhancer.ClassMethod

equals, getAccess, getMethodAdditionMessage, getName, hashCode

Methods inherited from class java.lang.Object

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

Constructor Detail

JdoGetManagedFieldCount

public JdoGetManagedFieldCount(java.lang.String methodName,
                               int type,
                               org.apache.bcel.generic.Type resultType,
                               org.apache.bcel.generic.Type[] argType,
                               java.lang.String[] argName,
                               boolean synthetic,
                               BCELClassEnhancer gen)

Parameters:

methodName -

type -

resultType -

argType -

argName -

synthetic -

gen -

Method Detail

getInstance

public static JdoGetManagedFieldCount getInstance(BCELClassEnhancer gen)

execute

public void execute()

Usually this method should generate bytecode as: return jdoFieldNames.length + superClass.jdoGetManagedFieldCount(); but due to initializing issues [ENHANCER-58], we use constants instead, e.g.: return +superClass.jdoGetManagedFieldCount();

Overrides:

execute in class BCELClassMethod