Code coverage report for app/utils/configs/move_component_config_initializer_class.js

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All files » app/utils/configs/ » move_component_config_initializer_class.js
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'use strict';
 
;require.register("utils/configs/move_component_config_initializer_class", function (exports, require, module) {
  /**
   * 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.
   */
 
  var App = require('app');
  require('utils/configs/config_initializer_class');
 
  /**
   * Basic class for all Initializers used for configs which are affected by some component's moving from
   * one host to the another
   *
   * @type {ConfigInitializerClass}
   * @augments {ConfigInitializerClass}
   */
  App.MoveComponentConfigInitializerClass = App.ConfigInitializerClass.extend({
 
    initializerTypes: [{ name: 'hosts_with_component', method: '_initAsHostsWithComponentConsideringMoving' }, { name: 'target_host', method: '_initAsTargetHost' }],
 
    /**
     * @override
     * @param {object} settings
     */
    setup: function setup(settings) {
      this._updateInitializers(settings);
    },
 
    /**
     * @override
     */
    cleanup: function cleanup() {
      this._restoreInitializers();
    },
 
    /**
     * Initializer for configs with vlaue equal to the hostName where component will be moved (with port)
     *
     * @param {object} configProperty
     * @param {extendedTopologyLocalDB} localDB
     * @param {reassignComponentDependencies} dependencies
     * @param {object} initializer
     * @returns {object}
     * @private
     * @method _initAsTargetHost
     */
    _initAsTargetHost: function _initAsTargetHost(configProperty, localDB, dependencies, initializer) {
      var hostName = dependencies.targetHostName;
      var port = initializer.port;
      Em.set(configProperty, 'value', hostName + ':' + port);
      return configProperty;
    },
 
    /**
     * Initializer for configs with value equal to the hosts list where needed component exists
     * Value considers component-moving, so <code>targetHostName</code> will be added to the list
     * and <code>sourceHostName</code> will be removed
     * Hosts are sorted by name and linked with ','
     * Value examples: 'host1', 'host1,host2,host3'
     *
     * @param {configProperty} configProperty
     * @param {extendedTopologyLocalDB} localDB
     * @param {reassignComponentDependencies} dependencies
     * @param {object} initializer
     * @returns {object}
     * @private
     * @method _initAsHostsWithComponentConsideringMoving
     */
    _initAsHostsWithComponentConsideringMoving: function _initAsHostsWithComponentConsideringMoving(configProperty, localDB, dependencies, initializer) {
      var hosts = localDB.masterComponentHosts.filterProperty('component', initializer.component).mapProperty('hostName');
      hosts = hosts.without(dependencies.sourceHostName);
      hosts.pushObject(dependencies.targetHostName);
      Em.set(configProperty, 'value', hosts.uniq().sort().join(','));
      return configProperty;
    }
 
  });
 
  App.MoveComponentConfigInitializerClass.reopenClass({
 
    /**
     * Settings for <code>target_host</code>-initializer
     * Used for configs with value equal to the new host where component is moved
     * <code>port</code> is added to the end
     *
     * @param {number|string} port
     * @returns {{type: string, port: (number|string)}}
     */
    getTargetHostConfig: function getTargetHostConfig(port) {
      port = port || '';
      return {
        type: 'target_host',
        port: port
      };
    },
 
    /**
     * Settings for <code>hosts_with_component</code>-initializer
     * Used for configs with value equal to the hosts where needed component exists
     * List of hosts considers moving component (source-host with be excluded, and target-host will be added)
     *
     * @param {string} component
     * @returns {{type: string, component: string}}
     */
    getHostsWithComponentConfig: function getHostsWithComponentConfig(component) {
      return {
        type: 'hosts_with_component',
        component: component
      };
    }
 
  });
});