com.gemstone.gemfire.internal.cache.partitioned.AllBucketProfilesUpdateMessage 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.cache.partitioned;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.Map;
import java.util.Set;

import com.gemstone.gemfire.CancelException;
import com.gemstone.gemfire.DataSerializer;
import com.gemstone.gemfire.SystemFailure;
import com.gemstone.gemfire.cache.RegionDestroyedException;
import com.gemstone.gemfire.distributed.internal.DM;
import com.gemstone.gemfire.distributed.internal.DistributionManager;
import com.gemstone.gemfire.distributed.internal.DistributionMessage;
import com.gemstone.gemfire.distributed.internal.MessageWithReply;
import com.gemstone.gemfire.distributed.internal.ReplyMessage;
import com.gemstone.gemfire.distributed.internal.ReplyProcessor21;
import com.gemstone.gemfire.i18n.LogWriterI18n;
import com.gemstone.gemfire.internal.cache.BucketAdvisor;
import com.gemstone.gemfire.internal.cache.PartitionedRegion;

/**
 * A Partitioned Region meta-data update message.  This is used to send 
 * all local bucket's meta-data to other members with the same Partitioned Region.  
 * 
 * @author Yogesh Mahajan
 * @since 6.6
 */
public final class AllBucketProfilesUpdateMessage extends DistributionMessage
    implements MessageWithReply
{
  private static final long serialVersionUID = 1L;
  private int prId;
  private int processorId = 0;
  private Map profiles; 

  public AllBucketProfilesUpdateMessage() {}
  
  @Override
  final public int getProcessorType() {
    return DistributionManager.WAITING_POOL_EXECUTOR;
  }

  private AllBucketProfilesUpdateMessage(Set recipients,
      int partitionedRegionId, int processorId,
      Map profiles) {
    setRecipients(recipients);
    this.processorId = processorId;
    this.prId = partitionedRegionId;
    this.profiles = profiles;
  }

  @Override
  public int getProcessorId() {
    return this.processorId;
  }

  @Override
  protected void process(DistributionManager dm)
  {
    LogWriterI18n logger = dm.getLoggerI18n();
    try {
      PartitionedRegion pr = PartitionedRegion.getPRFromId(this.prId);
      for(Map.Entry profile : this.profiles.entrySet()){
        pr.getRegionAdvisor().putBucketProfile(profile.getKey(), profile.getValue());  
      }      
    }
    catch (PRLocallyDestroyedException fre) {
      if (logger.fineEnabled())
        logger.fine(" ///" + this);
    }
    catch (RegionDestroyedException e) {
      if (logger.fineEnabled())
        logger.fine(" /// " + this);
    }
    catch (CancelException e) {
      if (logger.fineEnabled())
        logger.fine(" ///" + this);
    }
    catch (Throwable t) {
      Error err;
      if (t instanceof Error && SystemFailure.isJVMFailureError(
          err = (Error)t)) {
        SystemFailure.initiateFailure(err);
        // If this ever returns, rethrow the error. We're poisoned
        // now, so don't let this thread continue.
        throw err;
      }
      // Whenever you catch Error or Throwable, you must also
      // check for fatal JVM error (see above).  However, there is
      // _still_ a possibility that you are dealing with a cascading
      // error condition, so you also need to check to see if the JVM
      // is still usable:
      SystemFailure.checkFailure();
    }
    finally {
      if (this.processorId != 0) {
        ReplyMessage.send(getSender(), this.processorId, null, dm, null);
      }
    }
  }
  
  /**
   * Send a profile update to a set of members.
   * @param recipients the set of members to be notified
   * @param dm the distribution manager used to send the message
   * @param prId the unique partitioned region identifier 
   * @param profiles bucked id to profile map
   * @param requireAck whether or not to expect a reply
   * @return an instance of reply processor if requireAck is true on which the caller
   * can wait until the event has finished. 
   */
  public static ReplyProcessor21 send(Set recipients, DM dm, int prId, Map profiles, boolean requireAck)
  {
    if (recipients.isEmpty()) {
      return null;
    }
    ReplyProcessor21 rp = null;
    int procId = 0; 
    if (requireAck) {
      rp = new ReplyProcessor21(dm, recipients);
      procId = rp.getProcessorId();
    }
    AllBucketProfilesUpdateMessage m = new AllBucketProfilesUpdateMessage(recipients, prId, procId, profiles);
    dm.putOutgoing(m);
    return rp;
  }

  public int getDSFID() {
    return PR_ALL_BUCKET_PROFILES_UPDATE_MESSAGE;
  }
  
  @Override
  public void fromData(DataInput in) throws IOException, ClassNotFoundException
  {
    super.fromData(in);
    this.prId = in.readInt();
    this.processorId = in.readInt();
    this.profiles = DataSerializer.readObject(in);
  }

  @Override
  public void toData(DataOutput out) throws IOException
  {
    super.toData(out);
    out.writeInt(this.prId);
    out.writeInt(this.processorId);
    DataSerializer.writeObject(this.profiles, out);
  }

}