com.spotify.google.cloud.pubsub.client.TopicListBuilder Maven / Gradle / Ivy

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package com.spotify.google.cloud.pubsub.client;

import io.norberg.automatter.AutoMatter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Optional;
import javax.annotation.Generated;

@Generated("io.norberg.automatter.processor.AutoMatterProcessor")
public final class TopicListBuilder {
  private List topics;

  private Optional nextPageToken;

  public TopicListBuilder() {
    this.nextPageToken = Optional.empty();
  }

  private TopicListBuilder(TopicList v) {
    List _topics = v.topics();
    this.topics = (_topics == null) ? null : new ArrayList(_topics);
    this.nextPageToken = v.nextPageToken();
  }

  private TopicListBuilder(TopicListBuilder v) {
    this.topics = (v.topics == null) ? null : new ArrayList(v.topics);
    this.nextPageToken = v.nextPageToken;
  }

  public List topics() {
    if (this.topics == null) {
      this.topics = new ArrayList();
    }
    return topics;
  }

  public TopicListBuilder topics(List topics) {
    return topics((Collection) topics);
  }

  public TopicListBuilder topics(Collection topics) {
    if (topics == null) {
      throw new NullPointerException("topics");
    }
    for (Topic item : topics) {
      if (item == null) {
        throw new NullPointerException("topics: null item");
      }
    }
    this.topics = new ArrayList(topics);
    return this;
  }

  public TopicListBuilder topics(Iterable topics) {
    if (topics == null) {
      throw new NullPointerException("topics");
    }
    if (topics instanceof Collection) {
      return topics((Collection) topics);
    }
    return topics(topics.iterator());
  }

  public TopicListBuilder topics(Iterator topics) {
    if (topics == null) {
      throw new NullPointerException("topics");
    }
    this.topics = new ArrayList();
    while (topics.hasNext()) {
      Topic item = topics.next();
      if (item == null) {
        throw new NullPointerException("topics: null item");
      }
      this.topics.add(item);
    }
    return this;
  }

  public TopicListBuilder topics(Topic... topics) {
    if (topics == null) {
      throw new NullPointerException("topics");
    }
    return topics(Arrays.asList(topics));
  }

  public TopicListBuilder addTopic(Topic topic) {
    if (topic == null) {
      throw new NullPointerException("topic");
    }
    if (this.topics == null) {
      this.topics = new ArrayList();
    }
    topics.add(topic);
    return this;
  }

  public Optional nextPageToken() {
    return nextPageToken;
  }

  public TopicListBuilder nextPageToken(String nextPageToken) {
    return nextPageToken(Optional.ofNullable(nextPageToken));
  }

  public TopicListBuilder nextPageToken(Optional nextPageToken) {
    if (nextPageToken == null) {
      throw new NullPointerException("nextPageToken");
    }
    this.nextPageToken = (Optional)nextPageToken;
    return this;
  }

  public TopicList build() {
    List _topics = (topics != null) ? Collections.unmodifiableList(new ArrayList(topics)) : Collections.emptyList();
    return new Value(_topics, nextPageToken);
  }

  public static TopicListBuilder from(TopicList v) {
    return new TopicListBuilder(v);
  }

  public static TopicListBuilder from(TopicListBuilder v) {
    return new TopicListBuilder(v);
  }

  private static final class Value implements TopicList {
    private final List topics;

    private final Optional nextPageToken;

    private Value(@AutoMatter.Field("topics") List topics, @AutoMatter.Field("nextPageToken") Optional nextPageToken) {
      if (nextPageToken == null) {
        throw new NullPointerException("nextPageToken");
      }
      this.topics = (topics != null) ? topics : Collections.emptyList();
      this.nextPageToken = nextPageToken;
    }

    @AutoMatter.Field
    @Override
    public List topics() {
      return topics;
    }

    @AutoMatter.Field
    @Override
    public Optional nextPageToken() {
      return nextPageToken;
    }

    public TopicListBuilder builder() {
      return new TopicListBuilder(this);
    }

    @Override
    public boolean equals(Object o) {
      if (this == o) {
        return true;
      }
      if (!(o instanceof TopicList)) {
        return false;
      }
      final TopicList that = (TopicList) o;
      if (topics != null ? !topics.equals(that.topics()) : that.topics() != null) {
        return false;
      }
      if (nextPageToken != null ? !nextPageToken.equals(that.nextPageToken()) : that.nextPageToken() != null) {
        return false;
      }
      return true;
    }

    @Override
    public int hashCode() {
      int result = 1;
      long temp;
      result = 31 * result + (topics != null ? topics.hashCode() : 0);
      result = 31 * result + (nextPageToken != null ? nextPageToken.hashCode() : 0);
      return result;
    }

    @Override
    public String toString() {
      return "TopicList{" +
      "topics=" + topics +
      ", nextPageToken=" + nextPageToken +
      '}';
    }
  }
}