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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/control/controlmessage.proto
package control;

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

import static com.squareup.wire.Message.Datatype.ENUM;
import static com.squareup.wire.Message.Datatype.INT64;
import static com.squareup.wire.Message.Datatype.STRING;
import static com.squareup.wire.Message.Label.REQUIRED;

/**
 * / ControlMessage wraps a control command and adds metadata.
 */
public final class ControlMessage extends Message {

  public static final String DEFAULT_ORIGIN = "";
  public static final Long DEFAULT_TIMESTAMP = 0L;
  public static final ControlType DEFAULT_CONTROLTYPE = ControlType.HeartbeatRequest;

  @ProtoField(tag = 1, type = STRING, label = REQUIRED)
  public final String origin;

  /**
   * / Unique description of the origin of this event.
   */
  @ProtoField(tag = 2, label = REQUIRED)
  public final UUID identifier;

  /**
   * / A unique identifier for this control
   */
  @ProtoField(tag = 3, type = INT64, label = REQUIRED)
  public final Long timestamp;

  /**
   * / UNIX timestamp (in nanoseconds) event was wrapped in this ControlMessage.
   */
  @ProtoField(tag = 4, type = ENUM, label = REQUIRED)
  public final ControlType controlType;

  /**
   * / Type of wrapped control. Only the optional field corresponding to the value of ControlType should be set.
   */
  @ProtoField(tag = 5)
  public final HeartbeatRequest heartbeatRequest;

  public ControlMessage(String origin, UUID identifier, Long timestamp, ControlType controlType, HeartbeatRequest heartbeatRequest) {
    this.origin = origin;
    this.identifier = identifier;
    this.timestamp = timestamp;
    this.controlType = controlType;
    this.heartbeatRequest = heartbeatRequest;
  }

  private ControlMessage(Builder builder) {
    this(builder.origin, builder.identifier, builder.timestamp, builder.controlType, builder.heartbeatRequest);
    setBuilder(builder);
  }

  @Override
  public boolean equals(Object other) {
    if (other == this) return true;
    if (!(other instanceof ControlMessage)) return false;
    ControlMessage o = (ControlMessage) other;
    return equals(origin, o.origin)
        && equals(identifier, o.identifier)
        && equals(timestamp, o.timestamp)
        && equals(controlType, o.controlType)
        && equals(heartbeatRequest, o.heartbeatRequest);
  }

  @Override
  public int hashCode() {
    int result = hashCode;
    if (result == 0) {
      result = origin != null ? origin.hashCode() : 0;
      result = result * 37 + (identifier != null ? identifier.hashCode() : 0);
      result = result * 37 + (timestamp != null ? timestamp.hashCode() : 0);
      result = result * 37 + (controlType != null ? controlType.hashCode() : 0);
      result = result * 37 + (heartbeatRequest != null ? heartbeatRequest.hashCode() : 0);
      hashCode = result;
    }
    return result;
  }

  public static final class Builder extends Message.Builder {

    public String origin;
    public UUID identifier;
    public Long timestamp;
    public ControlType controlType;
    public HeartbeatRequest heartbeatRequest;

    public Builder() {
    }

    public Builder(ControlMessage message) {
      super(message);
      if (message == null) return;
      this.origin = message.origin;
      this.identifier = message.identifier;
      this.timestamp = message.timestamp;
      this.controlType = message.controlType;
      this.heartbeatRequest = message.heartbeatRequest;
    }

    public Builder origin(String origin) {
      this.origin = origin;
      return this;
    }

    /**
     * / Unique description of the origin of this event.
     */
    public Builder identifier(UUID identifier) {
      this.identifier = identifier;
      return this;
    }

    /**
     * / A unique identifier for this control
     */
    public Builder timestamp(Long timestamp) {
      this.timestamp = timestamp;
      return this;
    }

    /**
     * / UNIX timestamp (in nanoseconds) event was wrapped in this ControlMessage.
     */
    public Builder controlType(ControlType controlType) {
      this.controlType = controlType;
      return this;
    }

    /**
     * / Type of wrapped control. Only the optional field corresponding to the value of ControlType should be set.
     */
    public Builder heartbeatRequest(HeartbeatRequest heartbeatRequest) {
      this.heartbeatRequest = heartbeatRequest;
      return this;
    }

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

  public enum ControlType
      implements ProtoEnum {
    HeartbeatRequest(1);

    private final int value;

    private ControlType(int value) {
      this.value = value;
    }

    @Override
    public int getValue() {
      return value;
    }
  }
}