content: /*
   * 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.bifromq.retain.server;
  
  import org.apache.bifromq.basekv.client.IBaseKVStoreClient;
  import org.apache.bifromq.baserpc.server.RPCServerBuilder;
  import org.apache.bifromq.dist.client.IDistClient;
  import org.apache.bifromq.plugin.settingprovider.ISettingProvider;
  import org.apache.bifromq.plugin.subbroker.ISubBrokerManager;
  import com.google.common.base.Preconditions;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Set;
  import lombok.AccessLevel;
  import lombok.NoArgsConstructor;
  import lombok.Setter;
  import lombok.experimental.Accessors;
  
  /**
   * The builder for building Retain Server.
   */
  @NoArgsConstructor(access = AccessLevel.PACKAGE)
  @Accessors(fluent = true)
  @Setter
  public class RetainServerBuilder {
      RPCServerBuilder rpcServerBuilder;
      ISettingProvider settingProvider;
      ISubBrokerManager subBrokerManager;
      IDistClient distClient;
      IBaseKVStoreClient retainStoreClient;
      Map<String, String> attributes = new HashMap<>();
      Set<String> defaultGroupTags = new HashSet<>();
      int workerThreads = 0;
  
      public IRetainServer build() {
          Preconditions.checkNotNull(rpcServerBuilder, "RPC Server Builder is null");
          return new RetainServer(this);
      }
  }
  