#152 - Made Interval usable as a JPA embeddable.

Added a no-arg constructor required by JPA to Interval to allow the usage of the class as embeddable.

src/main/java/org/salespointframework/time/Interval.java

@@ -1,6 +1,7 @@
 package org.salespointframework.time;
 
 import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
 import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
 import lombok.Value;
@@ -17,6 +18,7 @@
  * @author Oliver Gierke
  */
 @Value
+@NoArgsConstructor(force = true, access = AccessLevel.PRIVATE)
 public final class Interval {
 
 	/**

src/test/java/org/salespointframework/time/IntervalIntegrationTests.java

@@ -0,0 +1,55 @@
+package org.salespointframework.time;
+
+import static org.assertj.core.api.Assertions.*;
+
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+import javax.persistence.Embedded;
+import javax.persistence.Entity;
+import javax.persistence.EntityManager;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+import org.junit.Test;
+import org.salespointframework.AbstractIntegrationTests;
+import org.springframework.beans.factory.annotation.Autowired;
+
+/**
+ * Integration tests for {@link Interval}
+ * 
+ * @author Oliver Gierke
+ */
+public class IntervalIntegrationTests extends AbstractIntegrationTests {
+
+	@Autowired SomeEntityRepository repository;
+	@Autowired EntityManager em;
+
+	/**
+	 * @see #152
+	 */
+	@Test
+	public void intervalCanBePersistedAsEmbeddable() {
+
+		LocalDateTime now = LocalDateTime.now();
+
+		SomeEntity entity = new SomeEntity();
+		entity.interval = Interval.from(now).to(now.plusDays(1));
+
+		repository.save(entity);
+		em.flush();
+		em.clear();
+
+		SomeEntity result = repository.findOne(entity.id);
+		assertThat(result.interval).isEqualTo(entity.interval);
+	}
+
+	@Data
+	@Entity
+	static class SomeEntity {
+
+		@Id @GeneratedValue Long id;
+		@Embedded Interval interval;
+	}
+}

src/test/java/org/salespointframework/time/SomeEntityRepository.java

@@ -0,0 +1,11 @@
+package org.salespointframework.time;
+
+import org.salespointframework.time.IntervalIntegrationTests.SomeEntity;
+import org.springframework.data.repository.CrudRepository;
+
+/**
+ * Repository interface for {@link SomeEntity}.
+ *
+ * @author Oliver Gierke
+ */
+public interface SomeEntityRepository extends CrudRepository<SomeEntity, Long> {}