Package org.datanucleus.enhancer.methods

Class IsXXX

java.lang.Object

org.datanucleus.enhancer.ClassMethod

org.datanucleus.enhancer.methods.IsXXX

Direct Known Subclasses:

IsDeleted, IsNew, IsPersistent, IsTransactional

public abstract class IsXXX
extends ClassMethod

Base method to use for dnIsXXX methods providing the majority of the enhancement.

Field Summary

Fields inherited from class org.datanucleus.enhancer.ClassMethod

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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
void	execute()	Method to add the contents of the class method.
protected abstract String	getStateManagerIsMethod()	Method returning the name of the method on the StateManager that gives the return info.

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

IsXXX

public IsXXX(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

getStateManagerIsMethod

protected abstract String getStateManagerIsMethod()

Method returning the name of the method on the StateManager that gives the return info.

Returns:

Name of the StateManager method (isNew, isPersistent, isDeleted etc)

execute

public void execute()

Method to add the contents of the class method. Creates the method as follows

 return dnStateManager != null ? dnStateManager.isXXX(this) : false;
 

where "isXXX" is replaced by the output of "getStateManagerIsMethod"

Specified by:

execute in class ClassMethod