com.gemstone.gemfire.internal.admin.remote.RootRegionResponse Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of gemfire-core Show documentation
SnappyData store based off Pivotal GemFireXD
The newest version!
/*
 * 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 com.gemstone.gemfire.*;
import com.gemstone.gemfire.cache.*;
//import com.gemstone.gemfire.internal.*;
import com.gemstone.gemfire.internal.admin.*;
import com.gemstone.gemfire.internal.cache.GemFireCacheImpl;
import com.gemstone.gemfire.distributed.internal.*;
import java.io.*;
import java.util.*;
import com.gemstone.gemfire.distributed.internal.membership.*;

/**
 * Responds to {@link RootRegionResponse}.
 */
public final class RootRegionResponse extends AdminResponse {
  // instance variables
  //private boolean hasRoot = false;
  private String[] regions;
  private String[] userAttrs;
  
  /**
   * Returns a RootRegionResponse that will be returned to the
   * specified recipient. The message will contains a copy of the local manager's
   * system config.
   */
  public static RootRegionResponse create(DistributionManager dm, InternalDistributedMember recipient) {
    RootRegionResponse m = new RootRegionResponse();
    try {
      Cache cache = CacheFactory.getInstance(dm.getSystem());
      final Collection roots;
      if (! Boolean.getBoolean("gemfire.PRDebug")) {
        roots = cache.rootRegions();
      } else {
        roots = ((GemFireCacheImpl)cache).rootRegions(true);
      }


      List regionNames = new ArrayList();
      List userAttributes = new ArrayList();
      for (Iterator iter = roots.iterator(); iter.hasNext(); ) {
        Region r = (Region)iter.next();
        regionNames.add(r.getName());
        userAttributes
          .add(CacheDisplay.
               getCachedObjectDisplay(r.getUserAttribute(), GemFireVM.LIGHTWEIGHT_CACHE_VALUE));
      }
      
      String[] temp = new String[0];
      m.regions = (String[])regionNames.toArray(temp);
      m.userAttrs = (String[])userAttributes.toArray(temp);;
      
    } 
    catch (CancelException cce){ /*no cache yet*/ }    
    
    m.setRecipient(recipient);    
    return m;
  }
  
  // instance methods
  
  public Region[] getRegions(RemoteGemFireVM vm) {
    if (regions.length > 0) {      
      Region[] roots = new Region[regions.length];
      for (int i=0; i