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We're now able to use Spring Data there
see: https://jira.springsource.org/browse/DATAJPA-292
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Mic
parent
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commit
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5 changed files with 42 additions and 97 deletions
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/*
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* Copyright 2002-2013 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.samples.petclinic.repository.springdatajpa;
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import java.util.Collection;
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import javax.persistence.EntityManager;
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import javax.persistence.PersistenceContext;
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import javax.persistence.Query;
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import org.springframework.samples.petclinic.model.Owner;
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import org.springframework.samples.petclinic.repository.OwnerRepository;
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import org.springframework.stereotype.Repository;
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/**
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* Using native JPA instead of Spring Data JPA here because of this query: "SELECT owner FROM Owner owner left join
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* fetch owner.pets WHERE owner.lastName LIKE :lastName" See https://jira.springsource.org/browse/DATAJPA-292 for more
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* details.
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* This issue has been fixed already in the latest Spring Data JPA Snapshot. So we will wait for the next version of Spring
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* Data JPA to be available and update the Spring Petclinic application consequently.
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*
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* @author Michael Isvy
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*/
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@Repository
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public class JpaOwnerRepositoryImpl implements OwnerRepository {
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@PersistenceContext
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private EntityManager em;
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@Override
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@SuppressWarnings("unchecked")
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public Collection<Owner> findByLastName(String lastName) {
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// using 'join fetch' because a single query should load both owners and pets
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// using 'left join fetch' because it might happen that an owner does not have pets yet
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Query query = this.em.createQuery("SELECT DISTINCT owner FROM Owner owner left join fetch owner.pets WHERE owner.lastName LIKE :lastName");
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query.setParameter("lastName", lastName + "%");
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return query.getResultList();
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}
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@Override
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public Owner findById(int id) {
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// using 'join fetch' because a single query should load both owners and pets
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// using 'left join fetch' because it might happen that an owner does not have pets yet
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Query query = this.em.createQuery("SELECT owner FROM Owner owner left join fetch owner.pets WHERE owner.id =:id");
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query.setParameter("id", id);
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return (Owner) query.getSingleResult();
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}
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@Override
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public void save(Owner owner) {
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this.em.merge(owner);
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}
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}
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@ -0,0 +1,41 @@
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/*
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* Copyright 2002-2013 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.samples.petclinic.repository.springdatajpa;
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import java.util.Collection;
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import org.springframework.data.jpa.repository.Query;
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import org.springframework.data.repository.Repository;
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import org.springframework.data.repository.query.Param;
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import org.springframework.samples.petclinic.model.Owner;
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import org.springframework.samples.petclinic.repository.OwnerRepository;
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/**
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* Spring Data JPA specialization of the {@link OwnerRepository} interface
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*
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* @author Michael Isvy
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* @since 15.1.2013
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*/
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public interface SpringDataOwnerRepository extends OwnerRepository, Repository<Owner, Integer> {
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@Override
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@Query("SELECT DISTINCT owner FROM Owner owner left join fetch owner.pets WHERE owner.lastName LIKE :lastName%")
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public Collection<Owner> findByLastName(@Param("lastName") String lastName);
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@Override
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@Query("SELECT owner FROM Owner owner left join fetch owner.pets WHERE owner.id =:id")
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public Owner findById(@Param("id") int id);
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}
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@ -14,6 +14,7 @@
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</encoder>
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</appender>
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<!--<logger name="org.hibernate" level="debug"/> -->
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<logger name="org.springframework.samples.petclinic" level="debug"/>
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<root level="info">
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@ -80,9 +80,5 @@
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<beans profile="spring-data-jpa">
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<jpa:repositories base-package="org.springframework.samples.petclinic.repository.springdatajpa"/>
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<!-- Custom configuration for the custom implementation based on JPA -->
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<bean id="ownerRepository"
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class="org.springframework.samples.petclinic.repository.springdatajpa.JpaOwnerRepositoryImpl"/>
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</beans>
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</beans>
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@ -1,23 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<configuration debug="true">
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<contextListener class="ch.qos.logback.classic.jul.LevelChangePropagator">
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<resetJUL>true</resetJUL>
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</contextListener>
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<!-- To enable JMX Management -->
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<jmxConfigurator/>
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<appender name="console" class="ch.qos.logback.core.ConsoleAppender">
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<encoder>
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<pattern>%-5level %logger{0} - %msg%n</pattern>
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</encoder>
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</appender>
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<logger name="org.springframework.samples.petclinic" level="debug"/>
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<logger name="org.springframework.test.web" level="trace"/>
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<root level="warn">
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<appender-ref ref="console"/>
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</root>
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</configuration>
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