jmuehlner commented on code in PR #730:
URL: https://github.com/apache/guacamole-client/pull/730#discussion_r884013364


##########
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/HistoryTrackingUserContext.java:
##########
@@ -0,0 +1,74 @@
+/*
+ * 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.
+ */
+
+package org.apache.guacamole.auth.jdbc;
+
+import org.apache.guacamole.GuacamoleException;
+import org.apache.guacamole.auth.jdbc.connection.ConnectionRecordMapper;
+import org.apache.guacamole.net.auth.Connection;
+import org.apache.guacamole.net.auth.DelegatingUserContext;
+import org.apache.guacamole.net.auth.Directory;
+import org.apache.guacamole.net.auth.UserContext;
+
+/**
+ * DelegatingUserContext implementation which writes connection history records
+ * when connections are established and closed.
+ */
+public class HistoryTrackingUserContext extends DelegatingUserContext {
+
+    /**
+     * The remote host that the user associated with the user context
+     * connected from.
+     */
+    private final String remoteHost;
+
+    /**
+     * The connection record mapper to use when writing history entries for
+     * established connections.
+     */
+    private final ConnectionRecordMapper connectionRecordMapper;
+
+    /**
+     * Creates a new HistoryTrackingUserContext which wraps the given
+     * UserContext, allowing for tracking of connection history external to
+     * this authentication provider.
+     *
+     * @param userContext
+     *     The UserContext to wrap.
+     *
+     * @param string
+     *
+     * @param connectionRecordMapper
+     *     The mapper to use when writing connection history entries to the DB.
+     */
+    public HistoryTrackingUserContext(UserContext userContext, String 
remoteHost, ConnectionRecordMapper connectionRecordMapper) {
+        super(userContext);
+
+        this.remoteHost = remoteHost;
+        this.connectionRecordMapper = connectionRecordMapper;
+    }
+
+    @Override
+    public Directory<Connection> getConnectionDirectory() throws 
GuacamoleException {
+        return new HistoryTrackingConnectionDirectory(
+                super.getConnectionDirectory(), this.self(),

Review Comment:
   Sure



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