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Apache Geode provides a database-like consistency model, reliable transaction processing and a shared-nothing architecture to maintain very low latency performance with high concurrency processing

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/*
 * 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 org.apache.geode.internal.admin.*;
import org.apache.geode.distributed.internal.*;
import org.apache.geode.*;
import org.apache.geode.cache.*; // import org.apache.geode.internal.*;
import org.apache.geode.internal.cache.*;

import java.io.*; // import java.net.*;
// import java.util.*;
import org.apache.geode.distributed.internal.membership.*;

/**
 * A message that is sent in response to a {@link DurableClientInfoRequest}.
 * 
 * @since GemFire 5.6
 */
public class DurableClientInfoResponse extends AdminResponse {
  // instance variables
  /**
   * The result for the query made the request (hasDurableClient or isPrimaryForDurableClient).
   */
  private boolean returnVal = false;

  /**
   * Returns a DurableClientInfoResponse that will be returned to the specified
   * recipient.
   */
  public static DurableClientInfoResponse create(DistributionManager dm,
      InternalDistributedMember recipient, DurableClientInfoRequest request) {
    DurableClientInfoResponse m = new DurableClientInfoResponse();
    m.setRecipient(recipient);
    try {
      GemFireCacheImpl c = (GemFireCacheImpl) CacheFactory.getInstanceCloseOk(dm.getSystem());
      if (c.getCacheServers().size() > 0) {

        CacheServerImpl server = (CacheServerImpl) c.getCacheServers().iterator().next();
        switch (request.action) {
          case DurableClientInfoRequest.HAS_DURABLE_CLIENT_REQUEST: {
            m.returnVal =
                server.getAcceptor().getCacheClientNotifier().hasDurableClient(request.durableId);
            break;
          }
          case DurableClientInfoRequest.IS_PRIMARY_FOR_DURABLE_CLIENT_REQUEST: {
            m.returnVal = server.getAcceptor().getCacheClientNotifier()
                .hasPrimaryForDurableClient(request.durableId);
            break;
          }
        }
      }
    } catch (CacheClosedException ex) {
      // do nothing
    }
    return m;
  }

  public boolean getResultBoolean() {
    return this.returnVal;
  }

  public void toData(DataOutput out) throws IOException {
    super.toData(out);
    out.writeBoolean(this.returnVal);
  }

  public void fromData(DataInput in) throws IOException, ClassNotFoundException {
    super.fromData(in);
    this.returnVal = in.readBoolean();
  }

  public String toString() {
    return "DurableClientInfoResponse from " + this.getSender();
  }

  /*
   * (non-Javadoc)
   * 
   * @see org.apache.geode.internal.DataSerializableFixedID#getDSFID()
   */
  public int getDSFID() {
    return DURABLE_CLIENT_INFO_RESPONSE;
  }
}