--- /dev/null
+/*
+ * Copyright (c) 2018. Developed by Hedgecode.
+ *
+ * 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 org.hedgecode.chess.service.jpa;
+
+import java.util.List;
+
+import javax.persistence.Query;
+
+import org.hedgecode.chess.domain.EtudeType;
+import org.hedgecode.chess.service.EtudeTypeService;
+
+/**
+ *
+ *
+ * @author Dmitry Samoshin aka gotty
+ */
+public class JpaEtudeTypeService extends JpaDomainService<EtudeType> implements EtudeTypeService {
+
+ private static final long DEFAULT_ID = 1;
+
+ @Override
+ @SuppressWarnings(
+ "unchecked"
+ )
+ public List<EtudeType> findAll() {
+ return getEntityManager().createNamedQuery(
+ EtudeType.FIND_ALL
+ ).getResultList();
+ }
+
+ @Override
+ @SuppressWarnings(
+ "unchecked"
+ )
+ public EtudeType findById(Long id) {
+ Query query = getEntityManager().createNamedQuery(
+ EtudeType.FIND_BY_ID
+ );
+ query.setParameter(EtudeType.ID_PARAMETER, id);
+ return (EtudeType) query.getSingleResult();
+ }
+
+ @Override
+ @SuppressWarnings(
+ "unchecked"
+ )
+ public EtudeType findByBrief(String brief) {
+ Query query = getEntityManager().createNamedQuery(
+ EtudeType.FIND_BY_BRIEF
+ );
+ query.setParameter(EtudeType.BRIEF_PARAMETER, brief);
+ return (EtudeType) query.getSingleResult();
+ }
+
+ @Override
+ @SuppressWarnings(
+ "unchecked"
+ )
+ public EtudeType findDefault() {
+ return findById(
+ DEFAULT_ID
+ );
+ }
+
+}