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 com.datastax.oss.driver.internal.core.channel;
  
  import com.datastax.oss.driver.api.core.CqlIdentifier;
  import com.datastax.oss.driver.shaded.guava.common.base.Preconditions;
  import java.util.Collections;
  import java.util.List;
  import net.jcip.annotations.Immutable;
  
  /** Options for the creation of a driver channel. */
  @Immutable
  public class DriverChannelOptions {
  
    /** No keyspace, no events, don't report available stream ids. */
    public static DriverChannelOptions DEFAULT = builder().build();
  
    public static Builder builder() {
      return new Builder();
    }
  
    public final CqlIdentifier keyspace;
  
    /**
     * What kind of protocol events to listen for.
     *
     * @see com.datastax.oss.protocol.internal.ProtocolConstants.EventType
     */
    public final List<String> eventTypes;
  
    public final EventCallback eventCallback;
  
    public final String ownerLogPrefix;
  
    private DriverChannelOptions(
        CqlIdentifier keyspace,
        List<String> eventTypes,
        EventCallback eventCallback,
        String ownerLogPrefix) {
      this.keyspace = keyspace;
      this.eventTypes = eventTypes;
      this.eventCallback = eventCallback;
      this.ownerLogPrefix = ownerLogPrefix;
    }
  
    public static class Builder {
      private CqlIdentifier keyspace = null;
      private List<String> eventTypes = Collections.emptyList();
      private EventCallback eventCallback = null;
      private String ownerLogPrefix = null;
  
      public Builder withKeyspace(CqlIdentifier keyspace) {
        this.keyspace = keyspace;
        return this;
      }
  
      public Builder withEvents(List<String> eventTypes, EventCallback eventCallback) {
        Preconditions.checkArgument(eventTypes != null && !eventTypes.isEmpty());
        Preconditions.checkNotNull(eventCallback);
        this.eventTypes = eventTypes;
        this.eventCallback = eventCallback;
        return this;
      }
  
      public Builder withOwnerLogPrefix(String ownerLogPrefix) {
        this.ownerLogPrefix = ownerLogPrefix;
        return this;
      }
  
      public DriverChannelOptions build() {
        return new DriverChannelOptions(keyspace, eventTypes, eventCallback, ownerLogPrefix);
      }
    }
  }
  