GUACAMOLE-220: Add explicit mapper for entities (the basis for users and groups).

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/src/main/resources/org/apache/guacamole/auth/jdbc/base/EntityMapper.xml

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+    "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
+
+<!--
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+-->
+
+<mapper namespace="org.apache.guacamole.auth.jdbc.base.EntityMapper" >
+
+    <!-- Insert single entity -->
+    <insert id="insert" useGeneratedKeys="true" keyProperty="entity.entityID"
+            parameterType="org.apache.guacamole.auth.jdbc.base.EntityModel">
+
+        INSERT INTO guacamole_entity (
+            name,
+            type
+        )
+        VALUES (
+            #{entity.identifier,jdbcType=VARCHAR},
+            #{entity.entityType,jdbcType=VARCHAR}::guacamole_entity_type
+        )
+
+    </insert>
+
+</mapper>