EDIT

/**

 * Copyright (C) 2007 EDIT

 * European Distributed Institute of Taxonomy

 * http://www.e-taxonomy.eu

 *

 * The contents of this file are subject to the Mozilla Public License Version 1.1

 * See LICENSE.TXT at the top of this package for the full license terms.

 */

package eu.etaxonomy.cdm.persistence.hibernate.replace.impl;

import java.lang.reflect.Field;

import eu.etaxonomy.cdm.model.common.CdmBase;

import eu.etaxonomy.cdm.persistence.hibernate.replace.ReferringObjectMetadata;

public abstract class ReferringObjectMetadataImpl implements ReferringObjectMetadata {

	protected Field field;

    protected String fieldName;

    protected Class<? extends CdmBase> type;

    public ReferringObjectMetadataImpl(Class fromClass, String propertyName,

			Class<? extends CdmBase> toClass) throws SecurityException, NoSuchFieldException {

		this.type = fromClass;

		this.fieldName = propertyName;

		try {

		    this.field = type.getDeclaredField(fieldName);

		} catch(NoSuchFieldException nsfe) {

			Class superClass = type.getSuperclass();

			while(!superClass.equals(CdmBase.class)) {

				try{

					this.field = superClass.getDeclaredField(fieldName);

					break;

				} catch(NoSuchFieldException nsfe1) { }

				superClass = superClass.getSuperclass();

			}

			if(this.field == null) {

				throw nsfe;

			}

		}

		this.field.setAccessible(true);

	}

    @Override

    public Class<? extends CdmBase> getType() {

    	return this.type;

    }

    @Override

    public String getFieldName() {

    	return this.fieldName;

    }

}