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PLANNER-444 Extract AbstractScoreHibernateType
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.../src/main/java/org/optaplanner/persistence/jpa/impl/score/AbstractScoreHibernateType.java
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| /* | ||
| * Copyright 2015 JBoss Inc | ||
| * | ||
| * 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. | ||
| */ | ||
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| package org.optaplanner.persistence.jpa.impl.score; | ||
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| import java.io.Serializable; | ||
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| import org.hibernate.engine.spi.SessionImplementor; | ||
| import org.hibernate.usertype.CompositeUserType; | ||
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| /** | ||
| * This class is Hibernate specific, because JPA 2.1's @Converter currently | ||
| * cannot handle 1 class mapping to multiple SQL columns. | ||
| */ | ||
| public abstract class AbstractScoreHibernateType implements CompositeUserType { | ||
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| @Override | ||
| public boolean isMutable() { | ||
| return false; | ||
| } | ||
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| @Override | ||
| public Object deepCopy(Object value) { | ||
| return value; // Score is immutable | ||
| } | ||
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| @Override | ||
| public Object replace(Object original, Object target, SessionImplementor session, Object owner) { | ||
| return original; // Score is immutable | ||
| } | ||
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| @Override | ||
| public void setPropertyValue(Object component, int property, Object value) { | ||
| throw new UnsupportedOperationException("A Score is immutable."); | ||
| } | ||
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| @Override | ||
| public boolean equals(Object a, Object b) { | ||
| if (a == b) { | ||
| return true; | ||
| } else if (a == null || b == null) { | ||
| return false; | ||
| } | ||
| return a.equals(b); | ||
| } | ||
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| @Override | ||
| public int hashCode(Object o) { | ||
| if (o == null) { | ||
| return 0; | ||
| } | ||
| return o.hashCode(); | ||
| } | ||
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| @Override | ||
| public Serializable disassemble(Object value, SessionImplementor session) { | ||
| return (Serializable) value; | ||
| } | ||
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| @Override | ||
| public Object assemble(Serializable cached, SessionImplementor session, Object owner) { | ||
| return cached; | ||
| } | ||
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| } |
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97
.../test/java/org/optaplanner/persistence/jpa/impl/score/AbstractScoreHibernateTypeTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| /* | ||
| * Copyright 2015 JBoss Inc | ||
| * | ||
| * 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. | ||
| */ | ||
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| package org.optaplanner.persistence.jpa.impl.score; | ||
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| import javax.persistence.EntityManager; | ||
| import javax.persistence.EntityManagerFactory; | ||
| import javax.persistence.EntityTransaction; | ||
| import javax.persistence.GeneratedValue; | ||
| import javax.persistence.GenerationType; | ||
| import javax.persistence.Id; | ||
| import javax.persistence.MappedSuperclass; | ||
| import javax.persistence.Persistence; | ||
| import javax.persistence.Transient; | ||
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| import org.junit.BeforeClass; | ||
| import org.optaplanner.core.api.score.Score; | ||
| import org.optaplanner.persistence.jpa.impl.score.buildin.hardsoft.HardSoftScoreHibernateTypeTest; | ||
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| import static org.junit.Assert.*; | ||
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| public abstract class AbstractScoreHibernateTypeTest { | ||
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| protected static EntityManagerFactory entityManagerFactory; | ||
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| @BeforeClass | ||
| public static void setup() { | ||
| entityManagerFactory = Persistence.createEntityManagerFactory("optaplanner-persistence-jpa-test"); | ||
| } | ||
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| protected <S extends Score, E extends AbstractTestJpaEntity<S>> Long persistAndAssert(E jpaEntity) { | ||
| EntityManager entityManager = entityManagerFactory.createEntityManager(); | ||
| EntityTransaction transaction = entityManager.getTransaction(); | ||
| transaction.begin(); | ||
| entityManager.persist(jpaEntity); | ||
| transaction.commit(); | ||
| Long id = jpaEntity.getId(); | ||
| assertNotNull(id); | ||
| return id; | ||
| } | ||
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| protected <S extends Score, E extends AbstractTestJpaEntity<S>> void findAssertAndChangeScore( | ||
| Class<E> jpaEntityClass, Long id, S oldScore, S newScore) { | ||
| EntityManager entityManager = entityManagerFactory.createEntityManager(); | ||
| EntityTransaction transaction = entityManager.getTransaction(); | ||
| transaction.begin(); | ||
| E jpaEntity = entityManager.find(jpaEntityClass, id); | ||
| assertEquals(oldScore, jpaEntity.getScore()); | ||
| jpaEntity.setScore(newScore); | ||
| jpaEntity = entityManager.merge(jpaEntity); | ||
| transaction.commit(); | ||
| } | ||
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| protected <S extends Score, E extends AbstractTestJpaEntity<S>> void findAndAssert( | ||
| Class<E> jpaEntityClass, Long id, S score) { | ||
| EntityManager entityManager = entityManagerFactory.createEntityManager(); | ||
| EntityTransaction transaction = entityManager.getTransaction(); | ||
| transaction.begin(); | ||
| E jpaEntity = entityManager.find(jpaEntityClass, id); | ||
| assertEquals(score, jpaEntity.getScore()); | ||
| transaction.commit(); | ||
| } | ||
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| @MappedSuperclass | ||
| protected static abstract class AbstractTestJpaEntity<S extends Score> { | ||
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| protected Long id; | ||
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| @Id | ||
| @GeneratedValue(strategy = GenerationType.AUTO) | ||
| public Long getId() { | ||
| return id; | ||
| } | ||
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| public void setId(Long id) { | ||
| this.id = id; | ||
| } | ||
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| @Transient | ||
| public abstract S getScore(); | ||
| public abstract void setScore(S score); | ||
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| } | ||
| } |
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