HHH-15581 Add ComparableEntityAction interface

hibernate-core/src/main/java/org/hibernate/action/internal/ComparableEntityAction.java

@@ -0,0 +1,17 @@
+/*
+ * 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.action.internal;
+
+/**
+ * With this interface we can compare entity actions in the queue
+ * even if the implementation doesn't extend {@link EntityAction}.
+ */
+public interface ComparableEntityAction extends Comparable<ComparableEntityAction> {
+	String getEntityName();
+
+	Object getId();
+}