org.datanucleus.enhancer.methods

Class InitClass

java.lang.Object

org.datanucleus.enhancer.ClassMethod

org.datanucleus.enhancer.methods.InitClass

public class InitClass
extends ClassMethod

Method to generate a static initialisation block for the class using ASM.

 static
 {
     dnFieldNames = __dnFieldNamesInit();
     dnFieldTypes = __dnFieldTypesInit();
     dnFieldFlags = __dnFieldFlagsInit();
     dnInheritedFieldCount = __dnGetInheritedFieldCount();
     dnPersistableSuperclass = __dnPersistableSuperclassInit();
     JDOImplHelper.registerClass(___dn$loadClass("mydomain.MyClass"),
         dnFieldNames, dnFieldTypes, dnFieldFlags,
         dnPersistableSuperclass, new MyClass());
 }
 

Field Summary

Fields inherited from class org.datanucleus.enhancer.ClassMethod

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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
void	addInitialiseInstructions(MethodVisitor mv) Convenience method to add the initialise instructions to the supplied MethodVisitor.
void	execute() Method to add the contents of the class method.
static InitClass	getInstance(ClassEnhancer enhancer)

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

Constructor Detail

InitClass

public InitClass(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 InitClass getInstance(ClassEnhancer enhancer)

execute

public void execute()

Method to add the contents of the class method.

Specified by:

execute in class ClassMethod

addInitialiseInstructions

public void addInitialiseInstructions(MethodVisitor mv)

Convenience method to add the initialise instructions to the supplied MethodVisitor. Available as a separate method so that the initialise instructions can be added to an existing static class initialise block (where the class already has one).

Parameters:

mv - MethodVisitor to use