Java tutorial
// The MIT License (MIT) // // Copyright (c) 2018 Tim Jones // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // SOFTWARE. package io.github.jonestimd.finance.dao.hibernate; import java.lang.reflect.Constructor; import java.util.List; import io.github.jonestimd.finance.dao.TransactionCategoryDao; import io.github.jonestimd.finance.domain.transaction.TransactionCategory; import io.github.jonestimd.finance.domain.transaction.TransactionCategorySummary; import org.hibernate.Criteria; import org.hibernate.SessionFactory; import org.hibernate.criterion.Restrictions; import org.hibernate.transform.AliasToBeanConstructorResultTransformer; public class TransactionCategoryDaoImpl extends HibernateDao<TransactionCategory, Long> implements TransactionCategoryDao { public TransactionCategoryDaoImpl(SessionFactory sessionFactory) { super(sessionFactory, TransactionCategory.class); } public TransactionCategory getTransactionCategory(final String... codes) { Criteria criteria = getSession().createCriteria(TransactionCategory.class); criteria.add(Restrictions.eq(TransactionCategory.CODE, codes[codes.length - 1])); criteria.add(Restrictions.eq(TransactionCategory.SECURITY, false)); for (int i = codes.length - 2; i >= 0; i--) { criteria = criteria.createCriteria(TransactionCategory.PARENT); criteria.add(Restrictions.eq(TransactionCategory.CODE, codes[i])); } criteria.add(Restrictions.isNull(TransactionCategory.PARENT)); return (TransactionCategory) criteria.uniqueResult(); } public TransactionCategory getSecurityAction(String code) { return findUnique(TransactionCategory.class, Restrictions.eq(TransactionCategory.CODE, code), Restrictions.isNull(TransactionCategory.PARENT), Restrictions.eq(TransactionCategory.SECURITY, true)); } @SuppressWarnings("unchecked") public List<TransactionCategorySummary> getTransactionCategorySummaries() { return getSession().getNamedQuery(TransactionCategory.SUMMARY_QUERY) .setResultTransformer(new AliasToBeanConstructorResultTransformer(getSummaryConstructor())).list(); } private Constructor<TransactionCategorySummary> getSummaryConstructor() { try { return TransactionCategorySummary.class.getConstructor(TransactionCategory.class, long.class); } catch (NoSuchMethodException ex) { throw new RuntimeException(ex); } } @Override @SuppressWarnings("unchecked") public List<TransactionCategory> getParentCategories() { return getSession().getNamedQuery(TransactionCategory.PARENTS_QUERY).list(); } @Override @SuppressWarnings("unchecked") public List<TransactionCategory> findByPartialCode(String search) { return getSession().getNamedQuery(TransactionCategory.SEARCH_QUERY) .setParameter("search", "%" + search + "%").list(); } }