Package com.comcast.cqs.controller

Source Code of com.comcast.cqs.controller.CQSDeleteQueueAction

/**
* Copyright 2012 Comcast Corporation
*
* Licensed 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 com.comcast.cqs.controller;

import javax.servlet.AsyncContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.comcast.cmb.common.model.User;
import com.comcast.cmb.common.persistence.PersistenceFactory;
import com.comcast.cqs.io.CQSQueuePopulator;
import com.comcast.cqs.model.CQSQueue;

/**
* Delete queue
* @author baosen, vvenkatraman, bwolf
*
*/
public class CQSDeleteQueueAction extends CQSAction {
 
  public CQSDeleteQueueAction() {
    super("DeleteQueue");
  }   

  @Override
  public boolean doAction(User user, AsyncContext asyncContext) throws Exception {
   
        HttpServletRequest request = (HttpServletRequest)asyncContext.getRequest();
        HttpServletResponse response = (HttpServletResponse)asyncContext.getResponse();

      CQSQueue queue = CQSCache.getCachedQueue(user, request);
     
      int numberOfShards = queue.getNumberOfShards();
     
        PersistenceFactory.getQueuePersistence().deleteQueue(queue.getRelativeUrl());
       
        // clear all shards in redis
       
        for (int shard=0; shard<numberOfShards; shard++) {
            PersistenceFactory.getCQSMessagePersistence().clearQueue(queue.getRelativeUrl(), shard);
        }
       
        CQSCache.removeQueue(queue.getRelativeUrl());
       
        String out = CQSQueuePopulator.getDeleteQueueResponse();
        writeResponse(out, response);
       
        return true;
  }
}
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