Add FlagDisabledException and appropriate throws to FlagService

.gitignore

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+.idea
+*.patch
+.DS_Store

.travis.yml

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+language: php
+
+php:
+  - 5.4
+  - 5.5
+
+mysql:
+  database: drupal
+  username: root
+  encoding: utf8
+
+addons:
+  hosts:
+    - travis.dev
+
+env:
+  global:
+    - MODULE_NAME='flag'
+    - MODULE_TEST_GROUP='flag'
+    - DRUPAL_REPO='git://drupalcode.org/project/drupal.git'
+    - DRUPAL_VERSION='8.0.x'
+    - PHPCS_VERSION='2.0.*@dev'
+    - CODER_VERSION='dev-8.x-2.x'
+
+before_install:
+  # Install Apache and FastCGI extension to connect to PHP-FPM.
+  - sudo apt-get update > /dev/null
+  - sudo apt-get install apache2 libapache2-mod-fastcgi > /dev/null
+  - sudo a2enmod rewrite actions fastcgi alias
+  - sudo cp -f .travis/vhost.conf /etc/apache2/sites-available/default
+  - sudo sed -i -e "s,/var/www,`pwd`,g" /etc/apache2/sites-available/default
+
+  # Start PHP-FPM. There is no process manager available to start PHP-FPM on
+  # Travis CI currently, so we have to locate and enable it manually.
+  - sudo cp $HOME/.phpenv/versions/`php -r "print PHP_VERSION;"`/etc/php-fpm.conf.default $HOME/.phpenv/versions/`php -r "print PHP_VERSION;"`/etc/php-fpm.conf
+  - $HOME/.phpenv/versions/`php -r "print PHP_VERSION;"`/sbin/php-fpm
+
+  # Import the PHP configuration.
+  - phpenv config-add .travis/php.ini
+
+  # Always update Composer to the recent version, otherwise the drush
+  # installation fails.
+  - composer selfupdate
+
+install:
+  # Add composer's global bin directory to the path.
+  # @see: https://github.com/drush-ops/drush#install---composer
+  - export PATH="$HOME/.composer/vendor/bin:$PATH"
+
+  # install drush globally
+  - composer global require drush/drush:dev-master
+  - composer global require squizlabs/php_codesniffer:$PHPCS_VERSION
+  - composer global require drupal/coder:$CODER_VERSION
+
+before_script:
+  # Create a Drupal coding standard reference in PHPCS coding standards.
+  - ln -s ~/.composer/vendor/drupal/coder/coder_sniffer/Drupal ~/.composer/vendor/squizlabs/php_codesniffer/CodeSniffer/Standards
+  # Remember the current flag test directory for later use in the Drupal
+  # installation.
+  - TESTDIR=$(pwd)
+  # Navigate out of module directory to prevent blown stack by recursive module
+  # lookup.
+  - cd ..
+
+  # Create new site, stubbing sendmail path with true to prevent delivery errors
+  # and manually resolving drush path.
+  - mysql -e 'create database drupal'
+  # Download Drupal 8 core.
+  - git clone --depth 1 --branch $DRUPAL_VERSION $DRUPAL_REPO drupal
+  - cd drupal
+  # Install Drupal.
+  - php -d sendmail_path=`which true` ~/.composer/vendor/bin/drush.php --yes --uri=http://travis.dev site-install --db-url=mysql://root:@localhost/drupal testing
+
+  # Reference and enable flag in build site.
+  - ln -s $TESTDIR modules/$MODULE_NAME
+  - drush --yes pm-enable simpletest $MODULE_NAME
+
+  # Start a web server on port 8080, run in the background; wait for
+  # initialization. This is temporarly disabled since there are no web tests
+  # yet.
+  - sudo apachectl restart
+  - until netstat -an 2>/dev/null | grep '80.*LISTEN'; do true; done
+
+script:
+  # Run the Coder sniffer for Flag.
+  - phpcs --report=full --standard=Drupal ./modules/$MODULE_NAME
+  # Run the Simpletests for Flag.
+  - php ./core/scripts/run-tests.sh --php `which php` --concurrency 12 --url http://travis.dev --verbose --color "$MODULE_TEST_GROUP"
+  # Run the PHPUnit tests.
+  - ./core/vendor/phpunit/phpunit/phpunit -c ./core/phpunit.xml.dist ./modules/$MODULE_NAME
+
+after_failure:
+  - echo "Failures detected. Outputing additional logs:"
+  - sudo cat /var/log/apache2/error.log
+  - sudo cat /var/log/mysql/error.log

.travis/php.ini

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+;
+; INI file used to populate PHP settings to Travis CI.
+;
+; This file is included by the .travis.yml configuration in the root of the
+; Flag repository. Configuration set here will be utilized when the testing
+; suite is run by Travis CI.
+;
+
+; Disable mail sending.
+sendmail_path = 'true'
+
+; Set memory limit.
+memory_limit = 128M
+
+; Ensure a default of fixing paths is enabled.
+cgi.fix_pathinfo = 1

.travis/vhost.conf

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+#
+# Apache VirtualHost configuration used by Travis CI.
+#
+# This configuration file will be placed into the default Apache configuration
+# on test machines, making it so that the localhost URL will be able to serve
+# pages generated by PHP-FPM.
+#
+<VirtualHost *:80>
+  ServerAdmin webmaster@localhost
+  DocumentRoot /var/www
+  ServerName travis.dev
+
+  <Directory />
+    Options FollowSymLinks
+    AllowOverride None
+  </Directory>
+
+  # This directory will be replaced with the appropriate web root by the
+  # .travis.yml configuration.
+  <Directory /var/www>
+    Options Indexes FollowSymLinks MultiViews ExecCGI
+    AllowOverride All
+    Order allow,deny
+    Allow from all
+  </Directory>
+
+  # Wire up Apache to use Travis CI's php-fpm.
+  <IfModule mod_fastcgi.c>
+    AddHandler php5-fcgi .php
+    Action php5-fcgi /php5-fcgi
+    Alias /php5-fcgi /usr/lib/cgi-bin/php5-fcgi
+    FastCgiExternalServer /usr/lib/cgi-bin/php5-fcgi -idle-timeout 120 -host 127.0.0.1:9000 -pass-header Authorization
+  </IfModule>
+
+  # Possible values include: debug, info, notice, warn, error, crit,
+  # alert, emerg.
+  LogLevel warn
+
+  ErrorLog ${APACHE_LOG_DIR}/error.log
+  CustomLog ${APACHE_LOG_DIR}/access.log combined
+</VirtualHost>