support Integer for Id

core/src/main/java/io/github/mmm/entity/id/GenericIdFactory.java

@@ -47,15 +47,20 @@ private GenericIdFactory() {
   public <E> GenericId<E, Object, Comparable<?>> create(Class<E> entityType, Object id, Comparable<?> revision) {
 
     GenericId result;
+    if (revision instanceof Integer i) {
+      revision = Long.valueOf(i.longValue());
+    }
     if (id == null) {
       assert (revision == null);
       return null;
-    } else if (id instanceof Long) {
-      result = LongId.of((Long) id, entityType, revision);
-    } else if (id instanceof UUID) {
-      result = UuidId.of((UUID) id, entityType, revision);
-    } else if (id instanceof String) {
-      result = StringId.of((String) id, entityType, revision);
+    } else if (id instanceof Long l) {
+      result = LongId.of(l, entityType, revision);
+    } else if (id instanceof UUID uuid) {
+      result = UuidId.of(uuid, entityType, revision);
+    } else if (id instanceof String string) {
+      result = StringId.of(string, entityType, revision);
+    } else if (id instanceof Integer i) {
+      result = LongId.of(Long.valueOf(i.longValue()), entityType, revision);
     } else {
       throw new IllegalStateException("Unsupported ID type: " + id.getClass().getName());
     }

core/src/main/java/io/github/mmm/entity/id/Id.java

@@ -39,12 +39,15 @@
  */
 public interface Id<E> extends Supplier<Object> {
 
-  /** Name of the {@link #get() id} property. */
+  /** Marshalling property name of the {@link #get() id}. */
   String PROPERTY_ID = "id";
 
-  /** Name of the {@link #getRevision() revision} property. */
+  /** Marshalling property name of the {@link #getRevision() revision}. */
   String PROPERTY_REVISION = "rev";
 
+  /** Column name of the {@link #getRevision() revision}. */
+  String COLUMN_REVISION = "Rev";
+
   /**
    * The value used as {@link #getRevision() revision} if it unspecified. If you are using an {@link Id} as link to an
    * {@link Entity} you will use this value to point to the recent revision of the {@link io.github.mmm.entity.Entity}.

core/src/main/java/io/github/mmm/entity/id/PkMapper.java

@@ -77,7 +77,7 @@ private static class PkMapperRevision extends PkMapper {
 
     private PkMapperRevision(GenericId idTemplate) {
 
-      super(idTemplate, "Rev", null);
+      super(idTemplate, Id.COLUMN_REVISION, null);
     }
 
     @Override