+
+ /**
+ * "Getter" for databse entry
+ *
+ * @return $entry An array with database entries
+ * @throws NullPointerException If the database result is not found
+ * @throws InvalidDatabaseResultException If the database result is invalid
+ */
+ protected final function getDatabaseEntry () {
+ // Is there an instance?
+ if (is_null($this->getResultInstance())) {
+ // Throw an exception here
+ throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
+ } // END - if
+
+ // Rewind it
+ $this->getResultInstance()->rewind();
+
+ // Do we have an entry?
+ if (!$this->getResultInstance()->valid()) {
+ throw new InvalidDatabaseResultException(array($this, $this->getResultInstance()), DatabaseResult::EXCEPTION_INVALID_DATABASE_RESULT);
+ } // END - if
+
+ // Get next entry
+ $this->getResultInstance()->next();
+
+ // Fetch it
+ $entry = $this->getResultInstance()->current();
+
+ // And return it
+ return $entry;
+ }
+
+ /**
+ * Getter for field name
+ *
+ * @param $fieldName Field name which we shall get
+ * @return $fieldValue Field value from the user
+ * @throws NullPointerException If the result instance is null
+ */
+ public final function getField ($fieldName) {
+ // Default field value
+ $fieldValue = null;
+
+ // Get result instance
+ $resultInstance = $this->getResultInstance();
+
+ // Is this instance null?
+ if (is_null($resultInstance)) {
+ // Then the user instance is no longer valid (expired cookies?)
+ throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
+ } // END - if
+
+ // Get current array
+ $fieldArray = $resultInstance->current();
+
+ // Does the field exist?
+ if (isset($fieldArray[$fieldName])) {
+ // Get it
+ $fieldValue = $fieldArray[$fieldName];
+ } // END - if
+
+ // Return it
+ return $fieldValue;
+ }
+
+ /**
+ * Updates a given field with new value
+ *
+ * @param $fieldName Field to update
+ * @param $fieldValue New value to store
+ * @return void
+ * @throws DatabaseUpdateSupportException If this class does not support database updates
+ */
+ public function updateDatabaseField ($fieldName, $fieldValue) {
+ // Is updating database fields allowed by interface?
+ if (!$this instanceof Updateable) {
+ // Update not supported!
+ throw new DatabaseUpdateSupportException($this, self::EXCEPTION_DATABASE_UPDATED_NOT_ALLOWED);
+ } // END - if
+
+ // Get a critieria instance
+ $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
+
+ // Add search criteria
+ $searchInstance->addCriteria(UserDatabaseWrapper::DB_COLUMN_USERNAME, $this->getUserName());
+ $searchInstance->setLimit(1);
+
+ // Now get another criteria
+ $updateInstance = ObjectFactory::createObjectByConfiguredName('update_criteria_class');
+
+ // And add our both entries
+ $updateInstance->addCriteria($fieldName, $fieldValue);
+
+ // Add the search criteria for searching for the right entry
+ $updateInstance->setSearchInstance($searchInstance);
+
+ // Remember the update in database result
+ $this->getResultInstance()->add2UpdateQueue($updateInstance);
+ }