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/*
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 *  or more contributor license agreements.  See the NOTICE file
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 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
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package groovy.lang;

import java.lang.reflect.Method;

/**
 * An interface that defines methods that implementers of mutable Meta classes should specify. It provides operations to perform mutations
 * on the MetaClass instance.
 * 

* Whether a MetaClass allows mutation is up to the MetaClass itself and considerations of Thread safety * need to be taken into account when making a MetaClass mutable *

* The default implementation allows mutation of MetaClass instances before initialisation (before the initialize() method is called) * but not after, thus ensuring Thread safety once a MetaClass has been constructed and placed in the registry * * @see MetaClassImpl * @see MetaClass * @author Graeme Rocher * @since 1.5 */ public interface MutableMetaClass extends MetaClass { /** * Return whether the MetaClass has been modified or not * @return True if it has */ boolean isModified(); /** * adds a new instance method to this MetaClass. Instance * methods are able to overwrite the original methods of the * class. Calling this method should not be done after * initialise was called. * * @param method the method to be added */ void addNewInstanceMethod(Method method); /** * adds a new static method to this MetaClass. This is only * possible as long as initialise was not called. * * @param method the method to be added */ void addNewStaticMethod(Method method); /** * Adds a new MetaMethod to the MetaClass * * @param metaMethod The MetaMethod to add */ void addMetaMethod(MetaMethod metaMethod); /** * Adds a new MetaBeanProperty to the MetaClass * * @param metaBeanProperty The MetaBeanProperty instance */ void addMetaBeanProperty(MetaBeanProperty metaBeanProperty); // TODO: Add methods like addMetaConstructor, addMetaAttribute, addMetaAnnotation etc. }





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