HHH-10372 - Add ZonedDateTimeComparator

hibernate-java8/src/main/java/org/hibernate/internal/util/ZonedDateTimeComparator.java

@@ -0,0 +1,22 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.internal.util;
+
+import java.io.Serializable;
+import java.time.ZonedDateTime;
+import java.util.Comparator;
+
+/**
+ * @author Andrea Boriero
+ */
+public class ZonedDateTimeComparator implements Comparator<ZonedDateTime>, Serializable {
+	public static final Comparator INSTANCE = new ZonedDateTimeComparator();
+
+	public int compare(ZonedDateTime one, ZonedDateTime another) {
+		return one.toInstant().compareTo( another.toInstant() );
+	}
+}

hibernate-java8/src/main/java/org/hibernate/type/ZonedDateTimeType.java

@@ -13,7 +13,7 @@ import java.util.Locale;
 
 import org.hibernate.dialect.Dialect;
 import org.hibernate.engine.spi.SessionImplementor;
-import org.hibernate.internal.util.compare.ComparableComparator;
+import org.hibernate.internal.util.ZonedDateTimeComparator;
 import org.hibernate.type.descriptor.java.ZonedDateTimeJavaDescriptor;
 import org.hibernate.type.descriptor.sql.TimestampTypeDescriptor;
 
@@ -53,7 +53,7 @@ public class ZonedDateTimeType
 	@Override
 	@SuppressWarnings("unchecked")
 	public Comparator<ZonedDateTime> getComparator() {
-		return ComparableComparator.INSTANCE;
+		return ZonedDateTimeComparator.INSTANCE;
 	}
 
 	@Override