GUACAMOLE-394: Add getLastActive() function, returning the time that a user/connection was last logged-in / used.

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/connection/ModeledConnection.java

@@ -24,6 +24,7 @@ import com.google.inject.Provider;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
+import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -232,6 +233,11 @@ public class ModeledConnection extends ModeledChildDirectoryObject<ConnectionMod
         return getModel().getSharingProfileIdentifiers();
     }
 
+    @Override
+    public Date getLastActive() {
+        return null;
+    }
+
     @Override
     public List<? extends ConnectionRecord> getHistory() throws GuacamoleException {
         return connectionService.retrieveHistory(getCurrentUser(), this);

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/sharing/connection/SharedConnection.java

@@ -21,6 +21,7 @@ package org.apache.guacamole.auth.jdbc.sharing.connection;
 
 import com.google.inject.Inject;
 import java.util.Collections;
+import java.util.Date;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -146,6 +147,11 @@ public class SharedConnection implements Connection {
         // Do nothing - changing attributes not supported
     }
 
+    @Override
+    public Date getLastActive() {
+        return null;
+    }
+
     @Override
     public List<? extends ConnectionRecord> getHistory()
             throws GuacamoleException {

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/sharing/user/SharedUser.java

@@ -20,6 +20,7 @@
 package org.apache.guacamole.auth.jdbc.sharing.user;
 
 import java.util.Collections;
+import java.util.Date;
 import java.util.List;
 import java.util.Map;
 import org.apache.guacamole.GuacamoleException;
@@ -90,6 +91,14 @@ public class SharedUser implements User {
         // Do nothing - no attributes supported
     }
 
+    @Override
+    public Date getLastActive() {
+
+        // History is not recorded for shared users
+        return null;
+
+    }
+
     @Override
     public List<ActivityRecord> getHistory() throws GuacamoleException {
 

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/user/ModeledUser.java

@@ -794,6 +794,11 @@ public class ModeledUser extends ModeledDirectoryObject<UserModel> implements Us
         return getModel().isExpired();
     }
 
+    @Override
+    public Date getLastActive() {
+        return null;
+    }
+
     @Override
     public List<ActivityRecord> getHistory() throws GuacamoleException {
         return Collections.<ActivityRecord>emptyList();