#659 - ENH: Add support for Instant with @WhenCreated @WhenModified

src/main/java/com/avaje/ebeaninternal/server/deploy/generatedproperty/GeneratedInsertJavaTime.java

@@ -36,6 +36,17 @@ public class GeneratedInsertJavaTime {
     }
   }
 
+  /**
+   * Instant support.
+   */
+  public static class InstantDT extends Base {
+
+    @Override
+    public Object getInsertValue(BeanProperty prop, EntityBean bean, long now) {
+      return JavaTimeUtils.toInstant(now);
+    }
+  }
+
   /**
    * LocalDateTime support.
    */

src/main/java/com/avaje/ebeaninternal/server/deploy/generatedproperty/GeneratedUpdateJavaTime.java

@@ -31,6 +31,22 @@ public class GeneratedUpdateJavaTime {
     }
   }
 
+  /**
+   * Instant support.
+   */
+  public static class InstantDT extends Base {
+
+    @Override
+    public Object getInsertValue(BeanProperty prop, EntityBean bean, long now) {
+      return JavaTimeUtils.toInstant(now);
+    }
+
+    @Override
+    public Object getUpdateValue(BeanProperty prop, EntityBean bean, long now) {
+      return JavaTimeUtils.toInstant(now);
+    }
+  }
+
   /**
    * LocalDateTime support.
    */

src/main/java/com/avaje/ebeaninternal/server/deploy/generatedproperty/InsertTimestampFactory.java

@@ -5,6 +5,7 @@ import com.avaje.ebeaninternal.server.deploy.meta.DeployBeanProperty;
 
 import javax.persistence.PersistenceException;
 import java.sql.Timestamp;
+import java.time.Instant;
 import java.time.LocalDateTime;
 import java.time.OffsetDateTime;
 import java.time.ZonedDateTime;
@@ -27,6 +28,7 @@ public class InsertTimestampFactory {
     map.put(long.class, longTime);
 
     if (classLoadConfig.isJavaTimePresent()) {
+      map.put(Instant.class, new GeneratedInsertJavaTime.InstantDT());
       map.put(LocalDateTime.class, new GeneratedInsertJavaTime.LocalDT());
       map.put(OffsetDateTime.class, new GeneratedInsertJavaTime.OffsetDT());
       map.put(ZonedDateTime.class, new GeneratedInsertJavaTime.ZonedDT());

src/main/java/com/avaje/ebeaninternal/server/deploy/generatedproperty/JavaTimeUtils.java

@@ -11,6 +11,13 @@ import java.time.ZonedDateTime;
  */
 public class JavaTimeUtils {
 
+  /**
+   * Return the system millis time as a LocalDateTime.
+   */
+  public static Object toInstant(long systemMillis) {
+    return Instant.ofEpochMilli(systemMillis);
+  }
+
   /**
    * Return the system millis time as a LocalDateTime.
    */

src/main/java/com/avaje/ebeaninternal/server/deploy/generatedproperty/UpdateTimestampFactory.java

@@ -5,6 +5,7 @@ import com.avaje.ebeaninternal.server.deploy.meta.DeployBeanProperty;
 
 import javax.persistence.PersistenceException;
 import java.sql.Timestamp;
+import java.time.Instant;
 import java.time.LocalDateTime;
 import java.time.OffsetDateTime;
 import java.time.ZonedDateTime;
@@ -27,6 +28,7 @@ public class UpdateTimestampFactory {
     map.put(long.class, longTime);
 
     if (classLoadConfig.isJavaTimePresent()) {
+      map.put(Instant.class, new GeneratedUpdateJavaTime.InstantDT());
       map.put(LocalDateTime.class, new GeneratedUpdateJavaTime.LocalDT());
       map.put(OffsetDateTime.class, new GeneratedUpdateJavaTime.OffsetDT());
       map.put(ZonedDateTime.class, new GeneratedUpdateJavaTime.ZonedDT());