//-------------------------------------------------------------------------
/// <summary>
/// Obtains an instance from a contract specification, expiry year-month and variant.
/// <para>
/// The security identifier will be automatically created using <seealso cref="EtdIdUtils"/>.
/// The specification must be for a future.
///
/// </para>
/// </summary>
/// <param name="spec"> the future contract specification </param>
/// <param name="expiry"> the expiry year-month of the future </param>
/// <param name="variant"> the variant of the ETD, such as 'Monthly', 'Weekly, 'Daily' or 'Flex' </param>
/// <returns> a future security based on this contract specification </returns>
/// <exception cref="IllegalStateException"> if the product type of the contract specification is not {@code FUTURE} </exception>
public static EtdFutureSecurity of(EtdContractSpec spec, YearMonth expiry, EtdVariant variant)
{
if (spec.Type != EtdType.FUTURE)
{
throw new System.InvalidOperationException(Messages.format("Cannot create an EtdFutureSecurity from a contract specification of type '{}'", spec.Type));
}
SecurityId securityId = EtdIdUtils.futureId(spec.ExchangeId, spec.ContractCode, expiry, variant);
return(EtdFutureSecurity.builder().info(SecurityInfo.of(securityId, spec.PriceInfo)).contractSpecId(spec.Id).expiry(expiry).variant(variant).build());
}
internal static EtdFutureSecurity sut2()
{
return(EtdFutureSecurity.builder().info(SecurityInfo.of(SecurityId.of("B", "C"), SecurityPriceInfo.of(Currency.EUR, 10))).contractSpecId(EtdContractSpecId.of("test", "234")).expiry(YearMonth.of(2017, 9)).variant(EtdVariant.ofWeekly(2)).build());
}
//-------------------------------------------------------------------------
internal static EtdFutureSecurity sut()
{
return(EtdFutureSecurity.builder().info(SecurityInfo.of(SecurityId.of("A", "B"), SecurityPriceInfo.of(Currency.GBP, 100))).contractSpecId(EtdContractSpecId.of("test", "123")).expiry(YearMonth.of(2017, 6)).build());
}