geode-core/src/main/java/org/apache/geode/cache/client/internal/locator/QueueConnectionRequest.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.cache.client.internal.locator;

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

import org.apache.geode.DataSerializer;
import org.apache.geode.internal.cache.tier.sockets.ClientProxyMembershipID;
import org.apache.geode.internal.serialization.DataSerializableFixedID;
import org.apache.geode.internal.serialization.DeserializationContext;
import org.apache.geode.internal.serialization.SerializationContext;

/**
 * A request from a client to locator asking for a server to host a queue. If the durable client Id
 * is specified, the locator will attempt to discover a pre-existing queue.
 *
 */
public class QueueConnectionRequest extends ServerLocationRequest {
  private ClientProxyMembershipID proxyId;
  private Set excludedServers;
  private int redundantCopies;
  private boolean findDurable = false;

  public QueueConnectionRequest() {
    super();
  }

  public QueueConnectionRequest(ClientProxyMembershipID proxyId, int redundantCopies,
      Set excludedServers, String serverGroup, boolean findDurable) {
    super(serverGroup);
    this.proxyId = proxyId;
    this.excludedServers = excludedServers;
    this.redundantCopies = redundantCopies;
    this.findDurable = findDurable;
  }

  @Override
  public void fromData(DataInput in,
      DeserializationContext context) throws IOException, ClassNotFoundException {
    super.fromData(in, context);

    proxyId = ClientProxyMembershipID.readCanonicalized(in);
    redundantCopies = DataSerializer.readPrimitiveInt(in);
    this.excludedServers = SerializationHelper.readServerLocationSet(in);
    this.findDurable = in.readBoolean();
  }

  @Override
  public void toData(DataOutput out,
      SerializationContext context) throws IOException {
    super.toData(out, context);
    context.getSerializer().writeObject(proxyId, out);
    DataSerializer.writePrimitiveInt(redundantCopies, out);
    SerializationHelper.writeServerLocationSet(this.excludedServers, out);
    out.writeBoolean(this.findDurable);
  }

  public Set getExcludedServers() {
    return excludedServers;
  }

  public ClientProxyMembershipID getProxyId() {
    return proxyId;
  }

  public int getRedundantCopies() {
    return redundantCopies;
  }

  public boolean isFindDurable() {
    return this.findDurable;
  }

  @Override
  public String toString() {
    return "QueueConnectionRequest{group=" + getServerGroup() + ", excluded=" + getExcludedServers()
        + ", redundant= " + redundantCopies + ",findDurable=" + findDurable + ",proxyId=" + proxyId
        + "}";
  }

  @Override
  public int getDSFID() {
    return DataSerializableFixedID.QUEUE_CONNECTION_REQUEST;
  }
}