Java tutorial
/** * Copyright (C) 2014-2014 Jorge Snchez (duvi-framework@jsan.eu) * * Licensed 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 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package eu.jsan.duvi.commons.conversion.bool; import org.apache.commons.lang3.math.NumberUtils; import javax.persistence.AttributeConverter; import javax.persistence.Converter; @Converter public class BooleanToLongConverter implements AttributeConverter<Boolean, Long> { @Override public Long convertToDatabaseColumn(Boolean attribute) { return (attribute != null && attribute) ? NumberUtils.LONG_ONE : NumberUtils.LONG_ZERO; } @Override public Boolean convertToEntityAttribute(Long dbData) { return NumberUtils.LONG_ONE.equals(dbData); } }