OpenClaimCommandBuilder1.java

// some imports...

public class OpenClaimCommandBuilder {
  private Company company;
  private ClaimDataBuilder claimBuilder;

  private OpenClaimCommandBuilder() {}

  public static OpenClaimCommandBuilder anOpenCommand() {
    return new OpenClaimCommandBuilder();
  }

  public OpenClaimCommandBuilder inCompany(Company company) {
    this.company = company;
    return this;
  }

  public OpenClaimCommandBuilder of(ClaimDataBuilder claimBuilder) {
    this.claimBuilder = claimBuilder;
    return this;
  }

  public ClaimCommand build() {
    Objects.requireNonNull(company, "Company must not be null");
    Objects.requireNonNull(claimBuilder, "ClaimBuilder must not be null");

    return new OpenClaimCommand(
      claimBuilder.withStatus(ClaimStatus.ReadyToOpen).build(),
      company
    );
  }
}