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Java support for Cloud Foundry's Loggregator using the Dropsonde protocol.
There is a newer version: 0.5
// Code generated by Wire protocol buffer compiler, do not edit.
// Source file: /Users/mheath/projects/snotel/target/checkout/client/src/main/proto/events/heartbeat.proto
package events;

import com.squareup.wire.Message;
import com.squareup.wire.ProtoField;

import static com.squareup.wire.Message.Datatype.UINT64;
import static com.squareup.wire.Message.Label.REQUIRED;

/**
 * / A Heartbeat event both indicates liveness of the emitter, and communicates counts of events processed.
 */
public final class Heartbeat extends Message {

  public static final Long DEFAULT_SENTCOUNT = 0L;
  public static final Long DEFAULT_RECEIVEDCOUNT = 0L;
  public static final Long DEFAULT_ERRORCOUNT = 0L;

  @ProtoField(tag = 1, type = UINT64, label = REQUIRED)
  public final Long sentCount;

  /**
   * / Number of events sent by this emitter.
   */
  @ProtoField(tag = 2, type = UINT64, label = REQUIRED)
  public final Long receivedCount;

  /**
   * / Number of events received by this emitter from the host process.
   */
  @ProtoField(tag = 3, type = UINT64, label = REQUIRED)
  public final Long errorCount;

  /**
   * / Number of errors encountered while sending.
   */
  @ProtoField(tag = 4)
  public final UUID controlMessageIdentifier;

  public Heartbeat(Long sentCount, Long receivedCount, Long errorCount, UUID controlMessageIdentifier) {
    this.sentCount = sentCount;
    this.receivedCount = receivedCount;
    this.errorCount = errorCount;
    this.controlMessageIdentifier = controlMessageIdentifier;
  }

  private Heartbeat(Builder builder) {
    this(builder.sentCount, builder.receivedCount, builder.errorCount, builder.controlMessageIdentifier);
    setBuilder(builder);
  }

  @Override
  public boolean equals(Object other) {
    if (other == this) return true;
    if (!(other instanceof Heartbeat)) return false;
    Heartbeat o = (Heartbeat) other;
    return equals(sentCount, o.sentCount)
        && equals(receivedCount, o.receivedCount)
        && equals(errorCount, o.errorCount)
        && equals(controlMessageIdentifier, o.controlMessageIdentifier);
  }

  @Override
  public int hashCode() {
    int result = hashCode;
    if (result == 0) {
      result = sentCount != null ? sentCount.hashCode() : 0;
      result = result * 37 + (receivedCount != null ? receivedCount.hashCode() : 0);
      result = result * 37 + (errorCount != null ? errorCount.hashCode() : 0);
      result = result * 37 + (controlMessageIdentifier != null ? controlMessageIdentifier.hashCode() : 0);
      hashCode = result;
    }
    return result;
  }

  public static final class Builder extends Message.Builder {

    public Long sentCount;
    public Long receivedCount;
    public Long errorCount;
    public UUID controlMessageIdentifier;

    public Builder() {
    }

    public Builder(Heartbeat message) {
      super(message);
      if (message == null) return;
      this.sentCount = message.sentCount;
      this.receivedCount = message.receivedCount;
      this.errorCount = message.errorCount;
      this.controlMessageIdentifier = message.controlMessageIdentifier;
    }

    public Builder sentCount(Long sentCount) {
      this.sentCount = sentCount;
      return this;
    }

    /**
     * / Number of events sent by this emitter.
     */
    public Builder receivedCount(Long receivedCount) {
      this.receivedCount = receivedCount;
      return this;
    }

    /**
     * / Number of events received by this emitter from the host process.
     */
    public Builder errorCount(Long errorCount) {
      this.errorCount = errorCount;
      return this;
    }

    /**
     * / Number of errors encountered while sending.
     */
    public Builder controlMessageIdentifier(UUID controlMessageIdentifier) {
      this.controlMessageIdentifier = controlMessageIdentifier;
      return this;
    }

    @Override
    public Heartbeat build() {
      checkRequiredFields();
      return new Heartbeat(this);
    }
  }
}