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Add support for the JavaMoney (JSR 354) CurrencyUnit #473
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39 changes: 39 additions & 0 deletions
39
hibernate-types-52/src/main/java/com/vladmihalcea/hibernate/type/money/CurrencyUnitType.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| package com.vladmihalcea.hibernate.type.money; | ||
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| import com.vladmihalcea.hibernate.type.AbstractHibernateType; | ||
| import com.vladmihalcea.hibernate.type.money.internal.CurrencyUnitTypeDescriptor; | ||
| import com.vladmihalcea.hibernate.type.util.Configuration; | ||
| import org.hibernate.type.descriptor.sql.VarcharTypeDescriptor; | ||
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| import javax.money.CurrencyUnit; | ||
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| /** | ||
| * Maps a Java {@link CurrencyUnit} object to a {@code VARCHAR} column type. | ||
| * | ||
| * @author Piotr Olaszewski | ||
| */ | ||
| public class CurrencyUnitType extends AbstractHibernateType<CurrencyUnit> { | ||
| public static final CurrencyUnitType INSTANCE = new CurrencyUnitType(); | ||
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| public CurrencyUnitType() { | ||
| super(VarcharTypeDescriptor.INSTANCE, CurrencyUnitTypeDescriptor.INSTANCE); | ||
| } | ||
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| public CurrencyUnitType(Configuration configuration) { | ||
| super( | ||
| VarcharTypeDescriptor.INSTANCE, | ||
| CurrencyUnitTypeDescriptor.INSTANCE, | ||
| configuration | ||
| ); | ||
| } | ||
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| @Override | ||
| public String getName() { | ||
| return "currency"; | ||
| } | ||
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| @Override | ||
| protected boolean registerUnderJavaType() { | ||
| return true; | ||
| } | ||
| } |
50 changes: 50 additions & 0 deletions
50
.../main/java/com/vladmihalcea/hibernate/type/money/internal/CurrencyUnitTypeDescriptor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package com.vladmihalcea.hibernate.type.money.internal; | ||
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| import org.hibernate.type.descriptor.WrapperOptions; | ||
| import org.hibernate.type.descriptor.java.AbstractTypeDescriptor; | ||
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| import javax.money.CurrencyUnit; | ||
| import javax.money.Monetary; | ||
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| /** | ||
| * @author Piotr Olaszewski | ||
| */ | ||
| public class CurrencyUnitTypeDescriptor extends AbstractTypeDescriptor<CurrencyUnit> { | ||
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| public static final CurrencyUnitTypeDescriptor INSTANCE = new CurrencyUnitTypeDescriptor(); | ||
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| public CurrencyUnitTypeDescriptor() { | ||
| super(CurrencyUnit.class); | ||
| } | ||
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| @Override | ||
| public CurrencyUnit fromString(String string) { | ||
| return Monetary.getCurrency(string); | ||
| } | ||
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| @Override | ||
| public <X> X unwrap(CurrencyUnit value, Class<X> type, WrapperOptions options) { | ||
| if (value == null) { | ||
| return null; | ||
| } | ||
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| if (String.class.isAssignableFrom(type)) { | ||
| return (X) value.getCurrencyCode(); | ||
| } | ||
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| throw unknownUnwrap(type); | ||
| } | ||
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| @Override | ||
| public <X> CurrencyUnit wrap(X value, WrapperOptions options) { | ||
| if (value == null) { | ||
| return null; | ||
| } | ||
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| if (value instanceof String) { | ||
| return fromString((String) value); | ||
| } | ||
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| throw unknownWrap(value.getClass()); | ||
| } | ||
| } |
118 changes: 118 additions & 0 deletions
118
...pes-52/src/test/java/com/vladmihalcea/hibernate/type/money/MySQLCurrencyUnitTypeTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| package com.vladmihalcea.hibernate.type.money; | ||
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| import com.vladmihalcea.hibernate.util.AbstractMySQLIntegrationTest; | ||
| import org.hibernate.annotations.TypeDef; | ||
| import org.junit.Test; | ||
|
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| import javax.money.CurrencyUnit; | ||
| import javax.persistence.*; | ||
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| import static javax.money.Monetary.getCurrency; | ||
| import static org.junit.Assert.assertEquals; | ||
| import static org.junit.Assert.assertNull; | ||
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| /** | ||
| * @author Piotr Olaszewski | ||
| */ | ||
| public class MySQLCurrencyUnitTypeTest extends AbstractMySQLIntegrationTest { | ||
| @Override | ||
| protected Class<?>[] entities() { | ||
| return new Class[]{ | ||
| Order.class | ||
| }; | ||
| } | ||
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| @Test | ||
| public void testPersistAndReadCurrency() { | ||
| Order _order = doInJPA(entityManager -> { | ||
| Order order = new Order(); | ||
| order.setCurrency(getCurrency("EUR")); | ||
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| entityManager.persist(order); | ||
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| return order; | ||
| }); | ||
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| doInJPA(entityManager -> { | ||
| Order order = entityManager.find(Order.class, _order.getId()); | ||
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| assertEquals(order.getCurrency(), getCurrency("EUR")); | ||
| }); | ||
| } | ||
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| @Test | ||
| public void testSearchByCurrency() { | ||
| doInJPA(entityManager -> { | ||
| Order order1 = new Order(); | ||
| order1.setCurrency(getCurrency("EUR")); | ||
| entityManager.persist(order1); | ||
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| Order order2 = new Order(); | ||
| order2.setCurrency(getCurrency("PLN")); | ||
| entityManager.persist(order2); | ||
| }); | ||
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| doInJPA(entityManager -> { | ||
| CurrencyUnit currency = getCurrency("PLN"); | ||
| Order order = entityManager.createQuery("select o from Order o where o.currency = :currency", Order.class) | ||
| .setParameter("currency", currency) | ||
| .getSingleResult(); | ||
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| assertEquals(Long.valueOf(2), order.getId()); | ||
| }); | ||
| } | ||
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| @Test | ||
| public void testReturnNullCurrency() { | ||
| Long _id = doInJPA(entityManager -> { | ||
| Order order = new Order(); | ||
| entityManager.persist(order); | ||
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| return order.getId(); | ||
| }); | ||
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| doInJPA(entityManager -> { | ||
| Order order = entityManager.createQuery("select o from Order o where o.id = :id", Order.class) | ||
| .setParameter("id", _id) | ||
| .getSingleResult(); | ||
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| assertNull(order.getCurrency()); | ||
| }); | ||
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| doInJPA(entityManager -> { | ||
| CurrencyUnit currency = entityManager.createQuery("select o.currency from Order o where o.id = :id", CurrencyUnit.class) | ||
| .setParameter("id", _id) | ||
| .getSingleResult(); | ||
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| assertNull(currency); | ||
| }); | ||
| } | ||
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| @Entity(name = "Order") | ||
| @Table(name = "orders") | ||
| @TypeDef(typeClass = CurrencyUnitType.class, defaultForType = CurrencyUnit.class) | ||
| public static class Order { | ||
| @Id | ||
| @GeneratedValue | ||
| private Long id; | ||
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| @Column(name = "currency", columnDefinition = "char(3)") | ||
| private CurrencyUnit currency; | ||
|
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| public Long getId() { | ||
| return id; | ||
| } | ||
|
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| public void setId(Long id) { | ||
| this.id = id; | ||
| } | ||
|
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| public CurrencyUnit getCurrency() { | ||
| return currency; | ||
| } | ||
|
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| public void setCurrency(CurrencyUnit currency) { | ||
| this.currency = currency; | ||
| } | ||
| } | ||
| } |
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