org.datanucleus.enhancer.asm.method
Class JdoNewObjectIdInstance2

java.lang.Object
  org.datanucleus.enhancer.ClassMethod
      org.datanucleus.enhancer.asm.ASMClassMethod
          org.datanucleus.enhancer.asm.method.JdoNewObjectIdInstance2

public class JdoNewObjectIdInstance2
extends ASMClassMethod

Method to generate the method "jdoNewObjectIdInstance" using ASM. For datastore/nondurable identity this is

 public Object jdoNewObjectIdInstance(Object key)
 {
     return null;
 }
 

and for SingleFieldIdentity

 public Object jdoNewObjectIdInstance(Object key)
 {
     if (key == null)
         throw new IllegalArgumentException("key is null");
     if (key instanceof String != true)
         return new YYYIdentity(this.getClass(), (YYY) key);
     return new YYYIdentity(this.getClass(), (String) key);
 }
 

and for user-supplied object ids

 public Object jdoNewObjectIdInstance(Object key)
 {
     return new UserPrimaryKey((String) key);
 }
 

Field Summary

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

JdoNewObjectIdInstance2(ClassEnhancer enhancer, String name, int access, Object returnType, Object[] argTypes, String[] argNames)
Constructor.

Method Summary

void	execute() Method to add the contents of the class method.
static JdoNewObjectIdInstance2	getInstance(ClassEnhancer enhancer)

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

Constructor Detail

JdoNewObjectIdInstance2

public JdoNewObjectIdInstance2(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 JdoNewObjectIdInstance2 getInstance(ClassEnhancer enhancer)

execute

public void execute()

Method to add the contents of the class method.

Specified by:

execute in class ClassMethod