Converters must convert to a data-type, know by the database

[jpa-converters] / src / main / java / de / juplo / jpa / converters / LocalDateTimeConverter.java

diff --git a/src/main/java/de/juplo/jpa/converters/LocalDateTimeConverter.java b/src/main/java/de/juplo/jpa/converters/LocalDateTimeConverter.java
index 0e5251d..24bf45b 100644 (file)
--- a/src/main/java/de/juplo/jpa/converters/LocalDateTimeConverter.java
+++ b/src/main/java/de/juplo/jpa/converters/LocalDateTimeConverter.java
@@ -1,36 +1,27 @@
 package de.juplo.jpa.converters;
 
-import java.time.Instant;
+import java.sql.Timestamp;
 import java.time.LocalDateTime;
-import java.time.ZoneOffset;
-import java.util.Date;
 import javax.persistence.AttributeConverter;
 import javax.persistence.Converter;
 
 
 /**
- * Converts a {@link LocalDateTime} to a {@link Date}, by converting it into
- * an {@Instant} for the GMT-timezone and then convering that {@link Instant}
- * into a {@link Date} as suggested in the official Java 8 Time tutorial.
- * <p>
- * The {@link Date} can then be persisted as
- * {@link java.persistene.TemporalType.TIMESTAMP} with the help of the
- * {@link java.persist.Tmporal}-annotation.
- * @see https://docs.oracle.com/javase/tutorial/datetime/iso/legacy.html
+ * Converts a {@link LocalDateTime} to a {@link Timestamp}.
  * @author Kai Moritz
  */
 @Converter(autoApply = true)
-public class LocalDateTimeConverter implements AttributeConverter<LocalDateTime, Date>
+public class LocalDateTimeConverter implements AttributeConverter<LocalDateTime, Timestamp>
 {
   @Override
-  public Date convertToDatabaseColumn(LocalDateTime ldt)
+  public Timestamp convertToDatabaseColumn(LocalDateTime ldt)
   {
-    return Date.from(ldt.toInstant(ZoneOffset.UTC));
+    return Timestamp.valueOf(ldt);
   }
 
   @Override
-  public LocalDateTime convertToEntityAttribute(Date date)
+  public LocalDateTime convertToEntityAttribute(Timestamp ts)
   {
-    return LocalDateTime.from(date.toInstant());
+    return ts.toLocalDateTime();
   }
 }