001/**
002 * Copyright 2005-2016 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.krad.data.jpa.converters;
017
018import javax.persistence.AttributeConverter;
019import javax.persistence.Converter;
020
021import org.kuali.rice.core.api.util.type.KualiInteger;
022
023/**
024 * Converts the custom {@link KualiInteger} objects for OJB by converting them to/from {@link Long}.
025 */
026@Converter(
027                autoApply = true)
028public class KualiIntegerConverter implements AttributeConverter<KualiInteger, Long> {
029
030    /**
031     * {@inheritDoc}
032     *
033     * This implementation will convert from a {@link KualiInteger} to a {@link Long}.
034     */
035        @Override
036        public Long convertToDatabaseColumn(KualiInteger objectValue) {
037                if (objectValue == null) {
038                        return null;
039                }
040                return objectValue.longValue();
041        }
042
043    /**
044     * {@inheritDoc}
045     *
046     * This implementation will convert from a {@link Long} to a {@link KualiInteger}.
047     */
048        @Override
049        public KualiInteger convertToEntityAttribute(Long dataValue) {
050                if (dataValue == null) {
051                        return null;
052                }
053                return new KualiInteger(dataValue);
054        }
055
056}