X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fjpa%2Fconverters%2FTemporalAmountToNanosConverter.java;fp=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fjpa%2Fconverters%2FTemporalAmountToNanosConverter.java;h=d38a1dbad291eb17ab39fef50c84135bde52c246;hb=c0f5359d7eefa5256a45fe67b272a6b5e52d24e6;hp=0000000000000000000000000000000000000000;hpb=e6f42c30689923d47a4f17e4a31c6791ebee69fc;p=jpa-converters

diff --git a/src/main/java/de/juplo/jpa/converters/TemporalAmountToNanosConverter.java b/src/main/java/de/juplo/jpa/converters/TemporalAmountToNanosConverter.java
new file mode 100644
index 0000000..d38a1db
--- /dev/null
+++ b/src/main/java/de/juplo/jpa/converters/TemporalAmountToNanosConverter.java
@@ -0,0 +1,29 @@
+package de.juplo.jpa.converters;
+
+import java.time.Duration;
+import java.time.temporal.ChronoUnit;
+import java.time.temporal.TemporalAmount;
+import javax.persistence.AttributeConverter;
+import javax.persistence.Converter;
+
+
+/**
+ * Converts a {@link TemporalAmount} into a {@link Long} representing
+ * nanoseconds.
+ * @author Kai Moritz
+ */
+@Converter
+public class TemporalAmountToNanosConverter implements AttributeConverter<TemporalAmount, Long>
+{
+  @Override
+  public Long convertToDatabaseColumn(TemporalAmount amount)
+  {
+    return amount.get(ChronoUnit.NANOS);
+  }
+
+  @Override
+  public TemporalAmount convertToEntityAttribute(Long nanos)
+  {
+    return Duration.ofNanos(nanos);
+  }
+}