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/*
 * Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
 *
 * 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. See accompanying
 * LICENSE file.
 */
   
   
package com.gemstone.gemfire.internal.admin.remote;

import java.io.*;
//import com.gemstone.gemfire.internal.admin.*;
import com.gemstone.gemfire.distributed.internal.*;
import com.gemstone.gemfire.cache.*;
//import com.gemstone.gemfire.internal.cache.*;
import com.gemstone.gemfire.*;
//import java.util.*;

public final class AppCacheSnapshotMessage extends RegionAdminMessage {
//   private int numResults;
//   private static Map consolesToSnapshots = new HashMap();
  private int snapshotId;

  public static AppCacheSnapshotMessage create(String regionName, int snapshotId) {
    AppCacheSnapshotMessage m = new AppCacheSnapshotMessage();
    m.setRegionName(regionName);
//     m.numResults = numResults;
    m.snapshotId = snapshotId;
    return m;
  }

  @Override
  protected void process(DistributionManager dm) {
    Region r = getRegion(dm.getSystem());
    if (r != null) {
      try {
//         LinkedList entries = getEntriesForRegion(r, this.getSender());    
//         new ResponseThread(this.getSender(), numResults, dm, this.snapshotId).start();                
        SnapshotResultMessage m = SnapshotResultMessage.create(r, snapshotId);
        m.setRecipient(this.getSender());
        dm.putOutgoing(m);
      } catch (CacheException ex) {
        throw new GemFireCacheException(ex);
      }
    }
  }

//   public static synchronized void flushSnapshots(Serializable consoleAddr) {
//     consolesToSnapshots.remove(consoleAddr);
//     System.gc();
//   }

//   private static synchronized LinkedList getEntriesForRegion(Region r, Serializable recipient)
//       throws CacheException {
//     Object obj = consolesToSnapshots.get(recipient);
//     if (obj == null) {
//       boolean statsEnabled = r.getAttributes().getStatisticsEnabled();
//       LinkedList snaps = new LinkedList();

//       synchronized(r) {
//         Set entries = r.entries(false);
//         Set subRegions = r.subregions(false);
//         snaps.addLast(new RemoteRegionSnapshot(r)); //add region itself
        
//         for (Iterator iter = subRegions.iterator(); iter.hasNext(); ) {
//           snaps.addLast(new RemoteRegionSnapshot((Region)iter.next()));
//         }
        
//         for (Iterator iter = entries.iterator(); iter.hasNext(); ) {
//           snaps.addLast(new RemoteEntrySnapshot((Region.Entry)iter.next(), statsEnabled));
//         }
//       } 

//       consolesToSnapshots.put(recipient, snaps);
//       return snaps;
//     } else {
//       return (LinkedList)obj;
//     }
//   }
  
//   private static synchronized CacheSnapshot[] extractElements(int numElements,
//                                                               Serializable console) {
//     LinkedList ll = (LinkedList)consolesToSnapshots.get(console);
//     if (ll == null) {
//       return new CacheSnapshot[0];
//     }
//     numElements = (numElements > ll.size()) ? ll.size() : numElements;
//     CacheSnapshot[] snaps = new CacheSnapshot[numElements];
//     for (int i=0; i