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/*******************************************************************************
 * Copyright (c) 2012, 2013 Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Blaise Doughan - 2.5 - initial implementation
 ******************************************************************************/
package org.eclipse.persistence.core.mappings;

import org.eclipse.persistence.exceptions.DescriptorException;

/**
 * INTERNAL
 * A abstraction of attribute accessor capturing behavior common to all 
 * persistence types.
 */
public interface CoreAttributeAccessor {

    /**
     * Return the class type of the attribute.
     */
    public Class getAttributeClass();

    /**
     * INTERNAL:
     * Return the attribute name.
     */
    public String getAttributeName();

    /**
     * Return the attribute value from the object.
     */
    public Object getAttributeValueFromObject(Object object);

    /**
     * Allow any initialization to be performed with the descriptor class.
     */
    public void initializeAttributes(Class descriptorClass) throws DescriptorException;

    public boolean isInstanceVariableAttributeAccessor();
    
    public boolean isMethodAttributeAccessor();

    /**
     * INTERNAL:
     * @return
     */
    public boolean isWriteOnly();
    
    /**
     * Set the attribute value into the object.
     */
    public void setAttributeValueInObject(Object object, Object value);
    
    /**
     * INTERNAL
     * @param aBoolean
     */
    public void setIsReadOnly(boolean aBoolean);
    
    public void setIsWriteOnly(boolean aBoolean);

}