geode-core/src/main/java/org/apache/geode/internal/admin/remote/SnapshotResultMessage.java

/*
 * 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.
 */


package org.apache.geode.internal.admin.remote;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

import org.apache.geode.DataSerializer;
import org.apache.geode.cache.CacheException;
import org.apache.geode.cache.Region;
import org.apache.geode.distributed.internal.AdminMessageType;
import org.apache.geode.distributed.internal.ClusterDistributionManager;
import org.apache.geode.distributed.internal.PooledDistributionMessage;
import org.apache.geode.internal.admin.CacheSnapshot;

public class SnapshotResultMessage extends PooledDistributionMessage implements AdminMessageType {
  private CacheSnapshot results;
  private int snapshotId;

  public static SnapshotResultMessage create(Region region, int snapshotId) throws CacheException {
    SnapshotResultMessage m = new SnapshotResultMessage();
    m.results = new RemoteRegionSnapshot(region);
    m.snapshotId = snapshotId;
    return m;
  }

  @Override
  public void process(ClusterDistributionManager dm) {
    RemoteGfManagerAgent agent = dm.getAgent();
    if (agent != null) {
      agent.enqueueSnapshotResults(this);
    }
  }

  @Override
  public boolean sendViaUDP() {
    return true;
  }

  public CacheSnapshot getSnapshot() {
    return this.results;
  }

  // called by console to verify these results are for the snapshot
  // currently being processed
  public int getSnapshotId() {
    return this.snapshotId;
  }

  @Override
  public int getDSFID() {
    return SNAPSHOT_RESULT_MESSAGE;
  }

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

  @Override
  public void fromData(DataInput in) throws IOException, ClassNotFoundException {
    super.fromData(in);
    this.results = (CacheSnapshot) DataSerializer.readObject(in);
    this.snapshotId = in.readInt();
  }


}